dwc2 counterpart of previous patch

Rename portstatus to reset_port.
The way we currently use portstatus always uses enable=1 and we use it for its reset side effect. Change confusing name and remove unused parameter.
2026-04-28 14:33:34 +00:00 · 2016-03-01 20:09:54 +01:00 · 2016-03-01 20:09:47 +01:00 · 2016-03-01 19:59:52 +01:00 · 2016-02-27 16:15:43 +01:00 · 2016-02-25 19:55:39 +01:00
174 changed files with 5814 additions and 3937 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -246,4 +246,3 @@ build-aux/test-driver
 /garbage-gen
 /garbage-gen.exe
 /grub-fs-tester
-grub-core/build-grub-module-verifier
--- a/7
+++ b/7
@@ -15,14 +15,15 @@ configuring the GRUB.
  Note: older versions may work but support is limited

  Experimental support for clang 3.3 or later (results in much bigger binaries)
-  for i386, x86_64, arm (including thumb), arm64, mips(el), powerpc, sparc64
+  for i386, x86_64, arm (except thumb), arm64, mips(el), powerpc, sparc64
  Note: clang 3.2 or later works for i386 and x86_64 targets but results in
        much bigger binaries.
 	earlier versions not tested
  Note: clang 3.2 or later works for arm
+	None of tested clang versions generated usable thumb code
 	earlier versions not tested
-  Note: clang on arm64 is not supported due to
-	https://llvm.org/bugs/show_bug.cgi?id=26030
+  Note: clang 3.3 or later works for arm64
+	earlier versions have no arm64 support
  Note: clang 3.3 or later works for mips(el)
 	earlier versions fail to generate .reginfo and hence gprel relocations
 	fail.
--- a/Makefile.am
+++ b/Makefile.am
@@ -145,116 +145,109 @@ if COND_real_platform

 if COND_i386_coreboot
 QEMU32=qemu-system-i386
-MINIMUM_CPU_LINUX=pentium2
 endif

 if COND_i386_multiboot
 QEMU32=qemu-system-i386
-MINIMUM_CPU_LINUX=pentium2
 endif

 if COND_i386_ieee1275
 QEMU32=qemu-system-i386
-MINIMUM_CPU_LINUX=pentium2
 endif

 if COND_i386_qemu
 QEMU32=qemu-system-i386
-MINIMUM_CPU_LINUX=pentium2
 endif

 if COND_i386_pc
 QEMU32=qemu-system-i386
-MINIMUM_CPU_LINUX=pentium2
 endif

 if COND_i386_efi
 QEMU32=qemu-system-i386
-MINIMUM_CPU_LINUX=pentium2
 endif

 if COND_x86_64_efi
 QEMU32=qemu-system-x86_64
-MINIMUM_CPU_LINUX=core2duo
 endif

 linux.init.x86_64: $(srcdir)/grub-core/tests/boot/linux.init-x86_64.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -static -m64 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -m64 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 linux.init.i386: $(srcdir)/grub-core/tests/boot/linux.init-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -static -m32 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -m32 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 linux.init.mips: $(srcdir)/grub-core/tests/boot/linux.init-mips.S
-	$(TARGET_CC) -o $@ $< -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 linux.init.ppc: $(srcdir)/grub-core/tests/boot/linux.init-ppc.S
-	$(TARGET_CC) -o $@ $< -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 linux.init.mipsel: $(srcdir)/grub-core/tests/boot/linux.init-mips.S
-	$(TARGET_CC) -o $@ $< -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 linux.init.loongson: $(srcdir)/grub-core/tests/boot/linux.init-mips.S
-	$(TARGET_CC) -o $@ $< -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -DREBOOT=1
+	$(TARGET_CC) -o $@ $< -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -DREBOOT=1

 multiboot.elf: $(srcdir)/grub-core/tests/boot/kernel-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -static -ffreestanding -nostdlib -nostdinc -DTARGET_MULTIBOOT=1 -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x100000 -m32 -I$(srcdir)/include
+	$(TARGET_CC) -o $@ $< -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -DTARGET_MULTIBOOT=1 -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x100000 -m32 -I$(srcdir)/include

 kfreebsd.elf: $(srcdir)/grub-core/tests/boot/kernel-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -static -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x100000 -m32 -I$(srcdir)/include
+	$(TARGET_CC) -o $@ $< -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x100000 -m32 -I$(srcdir)/include

 kfreebsd.aout: kfreebsd.elf
-	$(TARGET_OBJCOPY) -O a.out-i386-linux $< $@ -j .text
+	$(TARGET_OBJCOPY) -O a.out-i386-linux $< $@ -R .note.gnu.build-id -R .note.gnu.gold-version

 pc-chainloader.elf: $(srcdir)/grub-core/tests/boot/kernel-8086.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -static -DTARGET_CHAINLOADER=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x7c00 -m32
+	$(TARGET_CC) -o $@ $< -DTARGET_CHAINLOADER=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x7c00 -m32

 pc-chainloader.bin: pc-chainloader.elf
 	$(TARGET_OBJCOPY) -O binary --strip-unneeded -R .note -R .comment -R .note.gnu.build-id -R .reginfo -R .rel.dyn -R .note.gnu.gold-version $< $@;

 ntldr.elf: $(srcdir)/grub-core/tests/boot/kernel-8086.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -DTARGET_NTLDR=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -static -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0 -m32
+	$(TARGET_CC) -o $@ $< -DTARGET_NTLDR=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0 -m32

 ntldr.bin: ntldr.elf
-	$(TARGET_OBJCOPY) -O binary --strip-unneeded -j .text $< $@;
+	$(TARGET_OBJCOPY) -O binary --strip-unneeded -R .note -R .comment -R .note.gnu.build-id -R .reginfo -R .rel.dyn -R .note.gnu.gold-version $< $@;

 multiboot2.elf: $(srcdir)/grub-core/tests/boot/kernel-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -static -o $@ $< -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x100000 -m32 -I$(srcdir)/include -DTARGET_MULTIBOOT2=1
+	$(TARGET_CC) -o $@ $< -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" -ffreestanding -nostdlib -nostdinc -Wl,--build-id=none -Wl,-N -Wl,-Ttext,0x100000 -m32 -I$(srcdir)/include -DTARGET_MULTIBOOT2=1

 kfreebsd.init.x86_64: $(srcdir)/grub-core/tests/boot/kfreebsd.init-x86_64.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -m64 -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" && freebsd-brandelf -t FreeBSD $@
+	$(TARGET_CC) -o $@ $< -m64 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" && freebsd-brandelf -t FreeBSD $@

 kfreebsd.init.i386: $(srcdir)/grub-core/tests/boot/kfreebsd.init-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -m32 -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" && freebsd-brandelf -t FreeBSD $@
+	$(TARGET_CC) -o $@ $< -m32 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\" && freebsd-brandelf -t FreeBSD $@

 knetbsd.init.i386: $(srcdir)/grub-core/tests/boot/kbsd.init-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -m32 -static -nostdlib -nostdinc -DTARGET_NETBSD=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -m32 -nostdlib -nostdinc -DTARGET_NETBSD=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 kopenbsd.init.i386: $(srcdir)/grub-core/tests/boot/kbsd.init-i386.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -m32 -static -nostdlib -nostdinc -DTARGET_OPENBSD=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -m32 -nostdlib -nostdinc -DTARGET_OPENBSD=1 -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 knetbsd.init.x86_64: $(srcdir)/grub-core/tests/boot/kbsd.init-x86_64.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -m64 -DTARGET_NETBSD=1 -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -m64 -DTARGET_NETBSD=1 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 kopenbsd.init.x86_64: $(srcdir)/grub-core/tests/boot/kbsd.init-x86_64.S $(srcdir)/grub-core/tests/boot/qemu-shutdown-x86.S
-	$(TARGET_CC) -o $@ $< -m64 -DTARGET_OPENBSD=1 -static -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"
+	$(TARGET_CC) -o $@ $< -m64 -DTARGET_OPENBSD=1 -nostdlib -nostdinc -DSUCCESSFUL_BOOT_STRING=\"$(SUCCESSFUL_BOOT_STRING)\"

 linux-initramfs.mips: linux.init.mips Makefile
-	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio -R 0:0 --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR
+	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR

 linux-initramfs.ppc: linux.init.ppc Makefile
-	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio -R 0:0 --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR
+	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR

 linux-initramfs.mipsel: linux.init.mipsel Makefile
-	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio -R 0:0 --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR
+	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR

 linux-initramfs.loongson: linux.init.loongson Makefile
-	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio -R 0:0 --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR
+	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR

 linux-initramfs.i386: linux.init.i386 Makefile
-	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio -R 0:0 --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR
+	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR

 linux-initramfs.x86_64: linux.init.x86_64 Makefile
-	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio -R 0:0 --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR
+	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && cp $< $$TDIR/init && (cd $$TDIR && echo ./init | cpio --quiet --dereference -o -H newc) | gzip > $@ && rm -rf $$TDIR

 kfreebsd-mfsroot.i386.img: kfreebsd.init.i386 Makefile
 	TDIR=`mktemp -d "$${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` && mkdir $$TDIR/dev && mkdir $$TDIR/sbin && cp $< $$TDIR/sbin/init && makefs -t ffs -s 30m -f 1000 -o minfree=0,version=1 $@ $$TDIR && rm -rf $$TDIR
@@ -313,7 +306,7 @@ bootcheck-knetbsd-x86_64: knetbsd.miniroot-image.x86_64.gz $(GRUB_PAYLOADS_DIR)/
 	./grub-shell --timeout=$(BOOTCHECK_TIMEOUT) --qemu=qemu-system-x86_64 --files=/miniroot.gz=knetbsd.miniroot-image.x86_64.gz --files=/knetbsd=$(GRUB_PAYLOADS_DIR)/knetbsd.x86_64 $(srcdir)/grub-core/tests/boot/knetbsd.cfg | grep $(SUCCESSFUL_BOOT_STRING) > /dev/null

 bootcheck-linux-i386: linux-initramfs.i386 $(GRUB_PAYLOADS_DIR)/linux.i386 $(srcdir)/grub-core/tests/boot/linux.cfg grub-shell
-	./grub-shell --timeout=$(BOOTCHECK_TIMEOUT) --qemu=$(QEMU32) --files=/initrd=linux-initramfs.i386 --files=/linux=$(GRUB_PAYLOADS_DIR)/linux.i386 $(srcdir)/grub-core/tests/boot/linux.cfg --qemu-opts="-cpu $(MINIMUM_CPU_LINUX)" | grep $(SUCCESSFUL_BOOT_STRING) > /dev/null
+	./grub-shell --timeout=$(BOOTCHECK_TIMEOUT) --qemu=$(QEMU32) --files=/initrd=linux-initramfs.i386 --files=/linux=$(GRUB_PAYLOADS_DIR)/linux.i386 $(srcdir)/grub-core/tests/boot/linux.cfg | grep $(SUCCESSFUL_BOOT_STRING) > /dev/null

 bootcheck-linux-x86_64: linux-initramfs.x86_64 $(GRUB_PAYLOADS_DIR)/linux.x86_64 $(srcdir)/grub-core/tests/boot/linux.cfg grub-shell
 	./grub-shell --timeout=$(BOOTCHECK_TIMEOUT) --qemu=qemu-system-x86_64 --files=/initrd=linux-initramfs.x86_64 --files=/linux=$(GRUB_PAYLOADS_DIR)/linux.x86_64 $(srcdir)/grub-core/tests/boot/linux.cfg | grep $(SUCCESSFUL_BOOT_STRING) > /dev/null
@@ -376,12 +369,6 @@ if COND_i386_coreboot
 BOOTCHECKS = bootcheck-kfreebsd-aout bootcheck-kopenbsd-i386 bootcheck-kopenbsd-x86_64 bootcheck-multiboot bootcheck-multiboot2 bootcheck-linux-i386 bootcheck-linux-x86_64 bootcheck-knetbsd-x86_64 bootcheck-kfreebsd-x86_64 bootcheck-kfreebsd-i386
 endif

-if COND_i386_ieee1275
-# *BSD requires ACPI
-#legacy protocol (linux16) makes early BIOS calls.
-BOOTCHECKS = bootcheck-kfreebsd-aout bootcheck-multiboot bootcheck-multiboot2 bootcheck-linux-i386 bootcheck-linux-x86_64
-endif
-
 if COND_i386_pc
 #pc chainloader by definition is only for i386-pc
 #ntldr and bootmgr require BIOS.
@@ -423,7 +410,7 @@ bootcheck: $(BOOTCHECKS)

 if COND_i386_coreboot
 default_payload.elf: grub-mkstandalone grub-mkimage FORCE
-	test -f $@ && rm $@ || true
+	rm $@
 	pkgdatadir=. ./grub-mkstandalone --grub-mkimage=./grub-mkimage -O i386-coreboot -o $@ --modules='ahci pata ehci uhci ohci usb_keyboard usbms part_msdos ext2 fat at_keyboard part_gpt usbserial_usbdebug cbfs' --install-modules='ls linux search configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot hexdump pcidump regexp setpci lsacpi chain test serial multiboot cbmemc linux16 gzio echo help syslinuxcfg xnu $(shell cat grub-core/fs.lst) password_pbkdf2 $(EXTRA_PAYLOAD_MODULES)' --fonts= --themes= --locales= -d grub-core/ /boot/grub/grub.cfg=$(srcdir)/coreboot.cfg
 endif

--- a/Makefile.util.def
+++ b/Makefile.util.def
@@ -416,7 +416,7 @@ program = {
  ldadd = libgrubgcry.a;
  ldadd = libgrubkern.a;
  ldadd = grub-core/gnulib/libgnu.a;
-  ldadd = '$(LIBINTL) $(LIBDEVMAPPER) $(LIBUTIL) $(LIBZFS) $(LIBNVPAIR) $(LIBGEOM)';
+  ldadd = '$(LIBINTL) $(LIBDEVMAPPER) $(LIBZFS) $(LIBNVPAIR) $(LIBGEOM)';
 };

 data = {
--- a/14
+++ b/14
@@ -18,7 +18,6 @@ New in 2.02:
  * ZFS features support.
  * ZFS LZ4 support.
  * XFS V5 format support.
-  * LVM RAID1 support.

 * New/improved terminal and video support:
  * Monochrome text (matching `hercules' in GRUB Legacy).
@@ -50,9 +49,6 @@ New in 2.02:
  * Improve TFTP robustness.
  * Parse `nd' disk names in GRUB Legacy configuration files.
  * Issue separate DNS queries for IPv4 and IPv6.
-  * Support IPv6 Router Advertisement to configure default router.
-  * New variable net_<interface>_next_server containing next server
-    from BOOTP reply.

 * Coreboot improvements:
  * CBFS support both in on-disk images (loopback) and flash.
@@ -100,8 +96,6 @@ New in 2.02:
    EFI Stall. If everything fails, use hardcoded frequency 800MHz.
  * Support Hyper-V Gen2 platforms which lack PIT for TSC calibration.
  * Map UEFI Persistent Memory to E820 persistent memory.
-  * New Xen loader on ARM64.
-  * Respect alignment requirement for block device IO buffers on EFI.

 * Security:
  * Add optional facility to enforce that all files read by the core image
@@ -140,11 +134,6 @@ New in 2.02:
    menu entry immediately.
  * New `file' command and grub-file utility to check file types.
  * New syslinux configuration file parser.
-  * Set menu entry class to primary OS name returned by os-prober to display
-    OS specific icon.
-  * On Linux x86 detect EFI word size in grub-install and automatically select
-    correct platform (x86_64-efi or i386-efi) to install. Requires Linux kernel
-    4.0 or higher.

 * Build system:
  * Remove all uses of nested functions; GRUB no longer requires an
@@ -171,9 +160,6 @@ New in 2.02:
  * emu libusb support removed (was broken and unmaintained).
  * powerpc64le compile support.
  * Use fixed timestamp when generating GRUB image for reproducible builds.
-  * Verify at build time that modules contain only supported relocations and their
-    structure matches what boot-time module loader expects.
-  * Do not require fonts on powerpc-ieee1275.

 * Revision control moved to git.

--- a/acinclude.m4
+++ b/acinclude.m4
@@ -390,58 +390,6 @@ else
 [fi]
 ])

-AC_DEFUN([grub_CHECK_LINK_PIE],[
-[# Position independent executable.
-link_nopie_needed=no]
-AC_MSG_CHECKING([whether linker needs disabling of PIE to work])
-AC_LANG_CONFTEST([AC_LANG_SOURCE([[]])])
-
-[if eval "$ac_compile -Wl,-r,-d -nostdlib -Werror -o conftest.o" 2> /dev/null; then]
-  AC_MSG_RESULT([no])
-  [# Should we clear up other files as well, having called `AC_LANG_CONFTEST'?
-  rm -f conftest.o
-else
-  link_nopie_needed=yes]
-  AC_MSG_RESULT([yes])
-[fi]
-])
-
-
-dnl Check if the Linker supports `-no-pie'.
-AC_DEFUN([grub_CHECK_NO_PIE],
-[AC_MSG_CHECKING([whether linker accepts -no-pie])
-AC_CACHE_VAL(grub_cv_cc_ld_no_pie,
-[save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS -no-pie -nostdlib -Werror"
-AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
-	       [grub_cv_cc_ld_no_pie=yes],
-	       [grub_cv_cc_ld_no_pie=no])
-LDFLAGS="$save_LDFLAGS"
-])
-AC_MSG_RESULT([$grub_cv_cc_ld_no_pie])
-nopie_possible=no
-if test "x$grub_cv_cc_ld_no_pie" = xyes ; then
-  nopie_possible=yes
-fi
-])
-
-AC_DEFUN([grub_CHECK_NO_PIE_ONEWORD],
-[AC_MSG_CHECKING([whether linker accepts -nopie])
-AC_CACHE_VAL(grub_cv_cc_ld_no_pie_oneword,
-[save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS -nopie -nostdlib -Werror"
-AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
-	       [grub_cv_cc_ld_no_pie_oneword=yes],
-	       [grub_cv_cc_ld_no_pie_oneword=no])
-LDFLAGS="$save_LDFLAGS"
-])
-AC_MSG_RESULT([$grub_cv_cc_ld_no_pie_oneword])
-nopie_oneword_possible=no
-if test "x$grub_cv_cc_ld_no_pie_oneword" = xyes ; then
-  nopie_oneword_possible=yes
-fi
-])
-
 dnl Check if the C compiler supports `-fPIC'.
 AC_DEFUN([grub_CHECK_PIC],[
 [# Position independent executable.
--- a/asm-tests/i386-pc.S
+++ b/asm-tests/i386-pc.S
@@ -1,16 +1,12 @@
 /* on x86 old clang doesn't support .code16
   newer clang supports it but creates 6-byte jumps instead of 3-byte ones
-   which makes us go over boot sector size.
-   Starting with 3.9 clang emits 3-byte jumps but still creates 8-bytes movl
-   instead of 5-bytes, so code overflows into data.  */
+   which makes us go over boot sector size.  */

 	.code16
 	jmp far
 	.org 4
 	jmp nearer
 	.org 6
-	movl nearer, %ebx
-	.org 11
 	.space 100
 nearer:
 	.space 200
--- a/conf/Makefile.common
+++ b/conf/Makefile.common
@@ -86,9 +86,11 @@ CPPFLAGS_TERMINAL_LIST += '-Dgrub_term_register_output(...)=OUTPUT_TERMINAL_LIST
 CPPFLAGS_COMMAND_LIST = '-Dgrub_register_command(...)=COMMAND_LIST_MARKER(__VA_ARGS__)'
 CPPFLAGS_COMMAND_LIST += '-Dgrub_register_extcmd(...)=EXTCOMMAND_LIST_MARKER(__VA_ARGS__)'
 CPPFLAGS_COMMAND_LIST += '-Dgrub_register_command_p1(...)=P1COMMAND_LIST_MARKER(__VA_ARGS__)'
+CPPFLAGS_FDT_LIST := '-Dgrub_fdtbus_register(...)=FDT_DRIVER_LIST_MARKER(__VA_ARGS__)'
 CPPFLAGS_MARKER = $(CPPFLAGS_FS_LIST) $(CPPFLAGS_VIDEO_LIST) \
 	$(CPPFLAGS_PARTTOOL_LIST) $(CPPFLAGS_PARTMAP_LIST) \
-	$(CPPFLAGS_TERMINAL_LIST) $(CPPFLAGS_COMMAND_LIST)
+	$(CPPFLAGS_TERMINAL_LIST) $(CPPFLAGS_COMMAND_LIST) \
+	$(CPPFLAGS_FDT_LIST)

 # Define these variables to calm down automake

--- a/configure.ac
+++ b/configure.ac
@@ -31,7 +31,7 @@ dnl (such as BUILD_CC, BUILD_CFLAGS, etc.) for the build type and variables
 dnl with the prefix "TARGET_" (such as TARGET_CC, TARGET_CFLAGS, etc.) are
 dnl used for the target type. See INSTALL for full list of variables.

-AC_INIT([GRUB],[2.02],[bug-grub@gnu.org])
+AC_INIT([GRUB],[2.02~beta2],[bug-grub@gnu.org])

 AC_CONFIG_AUX_DIR([build-aux])

@@ -167,6 +167,7 @@ case "$target_cpu"-"$platform" in
  mipsel-fuloong) platform=loongson ;;
  mipsel-loongson) ;;
  arm-uboot) ;;
+  arm-coreboot) ;;
  arm-efi) ;;
  arm64-efi) ;;
  *-emu) ;;
@@ -388,15 +389,7 @@ fi

 # Check for functions and headers.
 AC_CHECK_FUNCS(posix_memalign memalign getextmntent)
-AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/mnttab.h limits.h)
-
-# glibc 2.25 still includes sys/sysmacros.h in sys/types.h but emits deprecation
-# warning which causes compilation failure later with -Werror. So use -Werror here
-# as well to force proper sys/sysmacros.h detection.
-SAVED_CFLAGS="$CFLAGS"
-CFLAGS="$HOST_CFLAGS -Werror"
-AC_HEADER_MAJOR
-CFLAGS="$SAVED_CFLAGS"
+AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/mnttab.h sys/mkdev.h limits.h)

 AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$ac_includes_default
 #include <sys/param.h>
@@ -1152,23 +1145,14 @@ if test "$target_cpu"-"$platform" = x86_64-efi; then
 fi

 if test "x$target_cpu" = xarm; then
-  AC_CACHE_CHECK([for options to disable movt and movw], grub_cv_target_cc_mno_movt, [
-    grub_cv_target_cc_mno_movt=no
-    for cand in "-mno-movt" \
-		"-mllvm -arm-use-movt=0"; do
-      if test x"$grub_cv_target_cc_mno_movt" != xno ; then
-        break
-      fi
-      CFLAGS="$TARGET_CFLAGS $cand -Werror"
-      CPPFLAGS="$TARGET_CPPFLAGS"
-      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
-		        [grub_cv_target_cc_mno_movt="$cand"], [])
-    done
+  AC_CACHE_CHECK([whether option -mlong-calls works], grub_cv_cc_mlong_calls, [
+    CFLAGS="$TARGET_CFLAGS -mlong-calls -Werror"
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+		      [grub_cv_cc_mlong_calls=yes],
+		      [grub_cv_cc_mlong_calls=no])
  ])
-
-  if test x"$grub_cv_target_cc_mno_movt" != xno ; then
-    # A trick so that clang doesn't see it on link stage
-    TARGET_CPPFLAGS="$TARGET_CPPFLAGS $grub_cv_target_cc_mno_movt"
+  if test "x$grub_cv_cc_mlong_calls" = xyes; then
+    TARGET_CFLAGS="$TARGET_CFLAGS -mlong-calls"
  fi
  AC_CACHE_CHECK([whether option -mthumb-interwork works], grub_cv_cc_mthumb_interwork, [
    CFLAGS="$TARGET_CFLAGS -mthumb-interwork -Werror"
@@ -1201,26 +1185,13 @@ CFLAGS="$TARGET_CFLAGS"

 # Position independent executable.
 grub_CHECK_PIE
-grub_CHECK_NO_PIE
-grub_CHECK_NO_PIE_ONEWORD
-grub_CHECK_LINK_PIE
 [# Need that, because some distributions ship compilers that include
-# `-fPIE' or '-fpie' and '-pie' in the default specs.
+# `-fPIE' in the default specs.
 if [ x"$pie_possible" = xyes ]; then
-  TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE -fno-pie"
-fi
-
-if [ x"$link_nopie_needed" = xyes ] || [ x"$pie_possible" = xyes ]; then
-  if [ x"$nopie_possible" = xyes ]; then
-    TARGET_LDFLAGS="$TARGET_LDFLAGS -no-pie"
-  fi
-  if [ x"$nopie_oneword_possible" = xyes ]; then
-    TARGET_LDFLAGS="$TARGET_LDFLAGS -nopie"
-  fi
+  TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE"
 fi]

 CFLAGS="$TARGET_CFLAGS"
-LDFLAGS="$TARGET_LDFLAGS"

 # Position independent executable.
 grub_CHECK_PIC
@@ -1229,12 +1200,9 @@ grub_CHECK_PIC
 # and reload $gp in every function.
 # GCC implements it using symbol __gnu_local_gp in non-PIC as well.
 # However with clang we need PIC for this reloading to happen.
-# With arm64 we need relocations that are in some way representable in
-# PE as we need to support arm64-efi. Without -fPIC clang generates
-# movk's which aren't representable.
 # Since default varies across dictributions use either -fPIC or -fno-PIC
 # explicitly.
-if ( test x$target_cpu = xmips || test x$target_cpu = xmipsel || test x$target_cpu = xarm64 ) && test "x$grub_cv_cc_target_clang" = xyes ; then
+if ( test x$target_cpu = xmips || test x$target_cpu = xmipsel ) && test "x$grub_cv_cc_target_clang" = xyes ; then
   TARGET_CFLAGS="$TARGET_CFLAGS -fPIC"
 elif [ x"$pic_possible" = xyes ]; then
   TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIC"
@@ -1587,11 +1555,11 @@ if test x"$grub_build_mkfont_excuse" = x ; then
 else
  enable_build_grub_mkfont=no
 fi
-if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$platform" = xcoreboot ); then
+if test x"$enable_build_grub_mkfont" = xno && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xcoreboot ); then
  if test x"$grub_build_mkfont_excuse" = x ; then
-    AC_MSG_ERROR([qemu, coreboot and loongson ports need build-time grub-mkfont])
+    AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports needs build-time grub-mkfont])
  else
-    AC_MSG_ERROR([qemu, coreboot and loongson ports need build-time grub-mkfont ($grub_build_mkfont_excuse)])
+    AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports needs build-time grub-mkfont ($grub_build_mkfont_excuse)])
  fi
 fi

@@ -1661,11 +1629,11 @@ if test x"$enable_build_grub_mkfont" = xno ; then
  FONT_SOURCE=
 fi

-if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$platform" = xcoreboot ); then
+if test "x$FONT_SOURCE" = x && ( test "x$platform" = xqemu || test "x$platform" = xloongson || test "x$platform" = xqemu_mips || test "x$target_cpu"-"$platform" = xpowerpc-ieee1275 || test "x$platform" = xcoreboot ); then
  if test x"$grub_build_mkfont_excuse" = x ; then
-    AC_MSG_ERROR([qemu, coreboot and loongson ports need unifont])
+    AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports need unifont])
  else
-    AC_MSG_ERROR([qemu, coreboot and loongson ports need unifont ($grub_build_mkfont_excuse)])
+    AC_MSG_ERROR([qemu, powerpc-ieee1275, coreboot and loongson ports need unifont ($grub_build_mkfont_excuse)])
  fi
 fi

@@ -1905,6 +1873,7 @@ AM_CONDITIONAL([COND_mipsel], [test x$target_cpu = xmipsel])
 AM_CONDITIONAL([COND_mipseb], [test x$target_cpu = xmips])
 AM_CONDITIONAL([COND_arm], [test x$target_cpu = xarm ])
 AM_CONDITIONAL([COND_arm_uboot], [test x$target_cpu = xarm -a x$platform = xuboot])
+AM_CONDITIONAL([COND_arm_coreboot], [test x$target_cpu = xarm -a x$platform = xcoreboot])
 AM_CONDITIONAL([COND_arm_efi], [test x$target_cpu = xarm -a x$platform = xefi])
 AM_CONDITIONAL([COND_arm64], [test x$target_cpu = xarm64 ])
 AM_CONDITIONAL([COND_arm64_efi], [test x$target_cpu = xarm64 -a x$platform = xefi])
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -2446,10 +2446,6 @@ The boot file name provided by DHCP.  Read-only.
 The name of the DHCP server responsible for these boot parameters.
 Read-only.

-@item net_@var{<interface>}_next_server
-The IP address of the next (usually, TFTP) server provided by DHCP.
-Read-only.
-
@item net_default_interface
 Initially set to name of network interface that was used to load grub.
 Read-write, although setting it affects only interpretation of
@@ -3066,7 +3062,6 @@ These variables have special meaning to GRUB.
 * net_@var{<interface>}_hostname::
 * net_@var{<interface>}_ip::
 * net_@var{<interface>}_mac::
-* net_@var{<interface>}_next_server::
 * net_@var{<interface>}_rootpath::
 * net_default_interface::
 * net_default_ip::
@@ -3218,10 +3213,9 @@ source for more details.
@node default
@subsection default

-If this variable is set, it identifies a menu entry that should be
-selected by default, possibly after a timeout (@pxref{timeout}).  The
-entry may be identified by number (starting from 0 at each level of
-the hierarchy), by title, or by id.
+If this variable is set, it identifies a menu entry that should be selected
+by default, possibly after a timeout (@pxref{timeout}).  The entry may be
+identified by number or by id.

 For example, if you have:

@@ -3237,26 +3231,24 @@ then you can make this the default using:
 default=example-gnu-linux
@end example

-If the entry is in a submenu, then it must be identified using the
-number, title, or id of each of the submenus starting from the top
-level, followed by the number, title, or id of the menu entry itself,
-with each element separated by @samp{>}.  For example, take the
-following menu structure:
+If the entry is in a submenu, then it must be identified using the titles of
+each of the submenus starting from the top level followed by the number or
+title of the menu entry itself, separated by @samp{>}.  For example, take
+the following menu structure:

@example
-GNU/Hurd --id gnu-hurd
-  Standard Boot --id=gnu-hurd-std
-  Rescue shell --id=gnu-hurd-rescue
-Other platforms --id=other
-  Minix --id=minix
-    Version 3.4.0 --id=minix-3.4.0
-    Version 3.3.0 --id=minix-3.3.0
-  GRUB Invaders --id=grub-invaders
+Submenu 1
+  Menu Entry 1
+  Menu Entry 2
+Submenu 2
+  Submenu 3
+    Menu Entry 3
+    Menu Entry 4
+  Menu Entry 5
@end example

-The more recent release of Minix would then be identified as
-@samp{Other platforms>Minix>Version 3.4.0}, or as @samp{1>0>0}, or as
-@samp{other>minix>minix-3.4.0}.
+``Menu Entry 3'' would then be identified as
+@samp{Submenu 2>Submenu 3>Menu Entry 3}.

 This variable is often set by @samp{GRUB_DEFAULT} (@pxref{Simple
 configuration}), @command{grub-set-default}, or @command{grub-reboot}.
@@ -3430,12 +3422,6 @@ The default is the value of @samp{color_normal} (@pxref{color_normal}).
@xref{Network}.


-@node net_@var{<interface>}_next_server
-@subsection net_@var{<interface>}_next_server
-
-@xref{Network}.
-
-
@node net_@var{<interface>}_rootpath
@subsection net_@var{<interface>}_rootpath

--- a/gentpl.py
+++ b/gentpl.py
@@ -31,7 +31,8 @@ GRUB_PLATFORMS = [ "emu", "i386_pc", "i386_efi", "i386_qemu", "i386_coreboot",
                   "i386_xen", "x86_64_xen",
                   "mips_loongson", "sparc64_ieee1275",
                   "powerpc_ieee1275", "mips_arc", "ia64_efi",
-                   "mips_qemu_mips", "arm_uboot", "arm_efi", "arm64_efi" ]
+                   "mips_qemu_mips", "arm_uboot", "arm_efi", "arm64_efi",
+                   "arm_coreboot"]

 GROUPS = {}

@@ -44,7 +45,7 @@ GROUPS["x86"]      = GROUPS["i386"] + GROUPS["x86_64"]
 GROUPS["mips"]     = [ "mips_loongson", "mips_qemu_mips", "mips_arc" ]
 GROUPS["sparc64"]  = [ "sparc64_ieee1275" ]
 GROUPS["powerpc"]  = [ "powerpc_ieee1275" ]
-GROUPS["arm"]      = [ "arm_uboot", "arm_efi" ]
+GROUPS["arm"]      = [ "arm_uboot", "arm_efi", "arm_coreboot" ]
 GROUPS["arm64"]    = [ "arm64_efi" ]

 # Groups based on firmware
@@ -52,6 +53,7 @@ GROUPS["efi"]  = [ "i386_efi", "x86_64_efi", "ia64_efi", "arm_efi", "arm64_efi"
 GROUPS["ieee1275"]   = [ "i386_ieee1275", "sparc64_ieee1275", "powerpc_ieee1275" ]
 GROUPS["uboot"] = [ "arm_uboot" ]
 GROUPS["xen"]  = [ "i386_xen", "x86_64_xen" ]
+GROUPS["coreboot"]  = [ "i386_coreboot", "arm_coreboot" ]

 # emu is a special case so many core functionality isn't needed on this platform
 GROUPS["noemu"]   = GRUB_PLATFORMS[:]; GROUPS["noemu"].remove("emu")
@@ -61,10 +63,10 @@ GROUPS["cmos"] = GROUPS["x86"][:] + ["mips_loongson", "mips_qemu_mips",
                                     "sparc64_ieee1275", "powerpc_ieee1275"]
 GROUPS["cmos"].remove("i386_efi"); GROUPS["cmos"].remove("x86_64_efi");
 GROUPS["pci"]      = GROUPS["x86"] + ["mips_loongson"]
-GROUPS["usb"]      = GROUPS["pci"]
+GROUPS["usb"]      = GROUPS["pci"] + ["arm_coreboot"]

 # If gfxterm is main output console integrate it into kernel
-GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot" ]
+GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot", "arm_coreboot" ]
 GROUPS["videomodules"]   = GRUB_PLATFORMS[:];
 for i in GROUPS["videoinkernel"]: GROUPS["videomodules"].remove(i)

--- a/grub-core/Makefile.am
+++ b/grub-core/Makefile.am
@@ -112,7 +112,7 @@ endif

 if COND_i386_coreboot
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/i386/tsc.h
-KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/i386/coreboot/lbio.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/coreboot/lbio.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video_fb.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/gfxterm.h
@@ -239,6 +239,20 @@ KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/lib/arg.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/system.h
 endif

+if COND_arm_coreboot
+KERNEL_HEADER_FILES += $(top_builddir)/include/grub/keyboard_layouts.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/system.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video_fb.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/gfxterm.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/font.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/bufio.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/fdt.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/dma.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/coreboot/kernel.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/fdtbus.h
+endif
+
 if COND_arm_efi
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/efi/loader.h
 KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h
@@ -358,6 +372,16 @@ terminal.lst: $(MARKER_FILES)
 platform_DATA += terminal.lst
 CLEANFILES += terminal.lst

+fdt.lst: $(MARKER_FILES)
+	(for pp in $^; do \
+	  b=`basename $$pp .marker`; \
+	  sed -n \
+	    -e "/FDT_DRIVER_LIST_MARKER *( *\"/{s/.*( *\"\([^\"]*\)\".*/i\1: $$b/;p;}" \
+	    -e "/FDT_DRIVER_LIST_MARKER *( *\"/{s/.*( *\"\([^\"]*\)\".*/o\1: $$b/;p;}" $$pp; \
+	done) | sort -u > $@
+platform_DATA += fdt.lst
+CLEANFILES += fdt.lst
+
 parttool.lst: $(MARKER_FILES)
 	(for pp in $^; do \
 	  b=`basename $$pp .marker`; \
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -92,6 +92,8 @@ kernel = {
  emu_cppflags = '$(CPPFLAGS_GNULIB)';
  arm_uboot_ldflags       = '-Wl,-r,-d';
  arm_uboot_stripflags    = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version';
+  arm_coreboot_ldflags       = '-Wl,-r,-d';
+  arm_coreboot_stripflags    = '--strip-unneeded -K start -R .note -R .comment -R .note.gnu.gold-version';

  i386_pc_startup = kern/i386/pc/startup.S;
  i386_efi_startup = kern/i386/efi/startup.S;
@@ -105,7 +107,8 @@ kernel = {
  mips_startup = kern/mips/startup.S;
  sparc64_ieee1275_startup = kern/sparc64/ieee1275/crt0.S;
  powerpc_ieee1275_startup = kern/powerpc/ieee1275/startup.S;
-  arm_uboot_startup = kern/arm/uboot/startup.S;
+  arm_uboot_startup = kern/arm/startup.S;
+  arm_coreboot_startup = kern/arm/startup.S;
  arm_efi_startup = kern/arm/efi/startup.S;
  arm64_efi_startup = kern/arm64/efi/startup.S;

@@ -149,6 +152,20 @@ kernel = {
  uboot = kern/uboot/init.c;
  uboot = kern/uboot/hw.c;
  uboot = term/uboot/console.c;
+  arm_uboot = kern/arm/uboot/init.c;
+  arm_uboot = kern/arm/uboot/uboot.S;
+
+  arm_coreboot = kern/arm/coreboot/init.c;
+  arm_coreboot = kern/arm/coreboot/timer.c;
+  arm_coreboot = kern/arm/coreboot/coreboot.S;
+  arm_coreboot = lib/fdt.c;
+  arm_coreboot = bus/fdt.c;
+  arm_coreboot = term/ps2.c;
+  arm_coreboot = term/arm/pl050.c;
+  arm_coreboot = term/arm/cros.c;
+  arm_coreboot = term/arm/cros_ec.c;
+  arm_coreboot = commands/keylayouts.c;
+  arm_coreboot = kern/arm/coreboot/dma.c;

  terminfoinkernel = term/terminfo.c;
  terminfoinkernel = term/tparm.c;
@@ -164,7 +181,7 @@ kernel = {
  i386_multiboot = kern/i386/coreboot/init.c;
  i386_qemu = kern/i386/qemu/init.c;
  i386_coreboot_multiboot_qemu = term/i386/pc/vga_text.c;
-  i386_coreboot = video/i386/coreboot/cbfb.c;
+  coreboot = video/coreboot/cbfb.c;

  efi = disk/efi/efidisk.c;
  efi = kern/efi/efi.c;
@@ -212,10 +229,8 @@ kernel = {

  arm_efi = kern/arm/efi/init.c;
  arm_efi = kern/arm/efi/misc.c;
-  arm_efi = kern/efi/fdt.c;

  arm64_efi = kern/arm64/efi/init.c;
-  arm64_efi = kern/efi/fdt.c;

  i386_pc = kern/i386/pc/init.c;
  i386_pc = kern/i386/pc/mmap.c;
@@ -225,8 +240,9 @@ kernel = {
  i386_qemu = kern/vga_init.c;
  i386_qemu = kern/i386/qemu/mmap.c;

-  i386_coreboot = kern/i386/coreboot/mmap.c;
+  coreboot = kern/coreboot/mmap.c;
  i386_coreboot = kern/i386/coreboot/cbtable.c;
+  arm_coreboot = kern/arm/coreboot/cbtable.c;

  i386_multiboot = kern/i386/multiboot_mmap.c;

@@ -238,6 +254,7 @@ kernel = {
  mips_qemu_mips = term/ns8250.c;
  mips_qemu_mips = term/serial.c;
  mips_qemu_mips = term/at_keyboard.c;
+  mips_qemu_mips = term/ps2.c;
  mips_qemu_mips = commands/boot.c;
  mips_qemu_mips = commands/keylayouts.c;
  mips_qemu_mips = term/i386/pc/vga_text.c;
@@ -253,6 +270,7 @@ kernel = {
  mips_loongson = bus/pci.c;
  mips_loongson = kern/mips/loongson/init.c;
  mips_loongson = term/at_keyboard.c;
+  mips_loongson = term/ps2.c;
  mips_loongson = commands/boot.c;
  mips_loongson = term/serial.c;
  mips_loongson = video/sm712.c;
@@ -574,7 +592,17 @@ module = {
 module = {
  name = ehci;
  common = bus/usb/ehci.c;
+  arm_coreboot = bus/usb/ehci-fdt.c;
+  pci = bus/usb/ehci-pci.c;
  enable = pci;
+  enable = arm_coreboot;
+};
+
+module = {
+  name = dwc2;
+  common = bus/usb/dwc2.c;
+  arm_coreboot = bus/usb/dwc2-fdt.c;
+  enable = arm_coreboot;
 };

 module = {
@@ -754,6 +782,7 @@ module = {
  enable = arm_efi;
  enable = arm64_efi;
  enable = arm_uboot;
+  enable = arm_coreboot;
 };

 module = {
@@ -821,7 +850,7 @@ module = {
  common = commands/gptsync.c;
 };

-module = {
+/*module = {
  name = halt;
  nopc = commands/halt.c;
  i386_pc = commands/i386/pc/halt.c;
@@ -856,7 +885,7 @@ module = {
  xen = lib/xen/reboot.c;
  uboot = lib/uboot/reboot.c;
  common = commands/reboot.c;
-};
+};*/

 module = {
  name = hashsum;
@@ -1533,7 +1562,6 @@ module = {
  i386_xen = lib/i386/xen/relocator.S;
  x86_64_xen = lib/x86_64/xen/relocator.S;
  xen = lib/i386/relocator_common_c.c;
-  x86_64_efi = lib/x86_64/efi/relocator.c;

  extra_dist = lib/i386/relocator_common.S;
  extra_dist = kern/powerpc/cache_flush.S;
@@ -1549,6 +1577,7 @@ module = {
  cmos = lib/cmos_datetime.c;
  efi = lib/efi/datetime.c;
  uboot = lib/uboot/datetime.c;
+  arm_coreboot = lib/uboot/datetime.c;
  sparc64_ieee1275 = lib/ieee1275/datetime.c;
  powerpc_ieee1275 = lib/ieee1275/datetime.c;
  sparc64_ieee1275 = lib/ieee1275/cmos.c;
@@ -1869,6 +1898,7 @@ module = {
 module = {
  name = at_keyboard;
  common = term/at_keyboard.c;
+  common = term/ps2.c;
  enable = x86;
 };

--- a/grub-core/bus/fdt.c
+++ b/grub-core/bus/fdt.c
@@ -0,0 +1,255 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2016  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/fdtbus.h>
+#include <grub/fdt.h>
+#include <grub/term.h>
+
+static const void *dtb;
+static grub_size_t root_address_cells, root_size_cells;
+/* Pointer to this symbol signals invalid mapping.  */
+char grub_fdtbus_invalid_mapping[1];
+
+struct grub_fdtbus_dev
+{
+  struct grub_fdtbus_dev *next;
+  struct grub_fdtbus_dev *parent;
+  int node;
+  struct grub_fdtbus_driver *driver;
+};
+
+struct grub_fdtbus_dev *devs;
+struct grub_fdtbus_driver *drivers;
+
+static int
+is_compatible (struct grub_fdtbus_driver *driver,
+	       int node)
+{
+  grub_size_t compatible_size;
+  const char *compatible = grub_fdt_get_prop (dtb, node, "compatible",
+					      &compatible_size);
+  const char *compatible_end = compatible + compatible_size;
+  while (compatible < compatible_end)
+    {
+      if (grub_strcmp (driver->compatible, compatible) == 0)
+	return 1;
+      compatible += grub_strlen (compatible) + 1;
+    }
+  return 0;
+}
+
+static void
+fdtbus_scan (struct grub_fdtbus_dev *parent)
+{
+  int node;
+  for (node = grub_fdt_first_node (dtb, parent ? parent->node : 0); node >= 0;
+       node = grub_fdt_next_node (dtb, node))
+    {
+      struct grub_fdtbus_dev *dev;
+      struct grub_fdtbus_driver *driver;
+      dev = grub_zalloc (sizeof (*dev));
+      if (!dev)
+	{
+	  grub_print_error ();
+	  return;
+	}
+      dev->node = node;
+      dev->next = devs;
+      dev->parent = parent;
+      devs = dev;
+      FOR_LIST_ELEMENTS(driver, drivers)
+	if (!dev->driver && is_compatible (driver, node))
+	  {
+	    if (driver->attach(dev) == GRUB_ERR_NONE)
+	      {
+		dev->driver = driver;
+		break;
+	      }
+	    grub_print_error ();
+	  }
+      fdtbus_scan (dev);
+    }
+}
+
+void
+grub_fdtbus_register (struct grub_fdtbus_driver *driver)
+{
+  struct grub_fdtbus_dev *dev;
+  grub_list_push (GRUB_AS_LIST_P (&drivers),
+		  GRUB_AS_LIST (driver));
+  for (dev = devs; dev; dev = dev->next)
+    if (!dev->driver && is_compatible (driver, dev->node))
+      {
+	if (driver->attach(dev) == GRUB_ERR_NONE)
+	  dev->driver = driver;
+	grub_print_error ();
+      }
+}
+
+void
+grub_fdtbus_unregister (struct grub_fdtbus_driver *driver)
+{
+  grub_list_remove (GRUB_AS_LIST (driver));
+  struct grub_fdtbus_dev *dev;
+  for (dev = devs; dev; dev = dev->next)
+    if (dev->driver == driver)
+      {
+	if (driver->detach)
+	  driver->detach(dev);
+	dev->driver = 0;
+      }
+}
+
+void
+grub_fdtbus_init (const void *dtb_in, grub_size_t size)
+{
+  if (!dtb_in || grub_fdt_check_header (dtb_in, size) < 0)
+    grub_fatal ("invalid FDT");
+  dtb = dtb_in;
+  const grub_uint32_t *prop = grub_fdt_get_prop (dtb, 0, "#address-cells", 0);
+  if (prop)
+    root_address_cells = grub_be_to_cpu32 (*prop);
+  else
+    root_address_cells = 1;
+
+  prop = grub_fdt_get_prop (dtb, 0, "#size-cells", 0);
+  if (prop)
+    root_size_cells = grub_be_to_cpu32 (*prop);
+  else
+    root_size_cells = 1;
+
+  fdtbus_scan (0);
+}
+
+static int
+get_address_cells (const struct grub_fdtbus_dev *dev)
+{
+  const grub_uint32_t *prop;
+  if (!dev)
+    return root_address_cells;
+  prop = grub_fdt_get_prop (dtb, dev->node, "#address-cells", 0);
+  if (prop)
+    return grub_be_to_cpu32 (*prop);
+  return 1;
+}
+
+static int
+get_size_cells (const struct grub_fdtbus_dev *dev)
+{
+  const grub_uint32_t *prop;
+  if (!dev)
+    return root_size_cells;
+  prop = grub_fdt_get_prop (dtb, dev->node, "#size-cells", 0);
+  if (prop)
+    return grub_be_to_cpu32 (*prop);
+  return 1;
+}
+
+static grub_uint64_t
+get64 (const grub_uint32_t *reg, grub_size_t cells)
+{
+  grub_uint64_t val = 0;
+  if (cells >= 1)
+    val = grub_be_to_cpu32 (reg[cells - 1]);
+  if (cells >= 2)
+    val |= ((grub_uint64_t) grub_be_to_cpu32 (reg[cells - 2])) << 32;
+  return val;
+}
+
+static volatile void *
+translate (const struct grub_fdtbus_dev *dev, const grub_uint32_t *reg)
+{
+  volatile void *ret;
+  const grub_uint32_t *ranges;
+  grub_size_t ranges_size, cells_per_mapping;
+  grub_size_t parent_address_cells, child_address_cells, child_size_cells;
+  grub_size_t nmappings, i;
+  if (dev == 0)
+    {
+      grub_uint64_t val;
+      val = get64 (reg, root_address_cells);
+      if (sizeof (void *) == 4 && (val >> 32))
+	return grub_fdtbus_invalid_mapping;
+      return (void *) (grub_addr_t) val;
+    }
+  ranges = grub_fdt_get_prop (dtb, dev->node, "ranges", &ranges_size);
+  if (!ranges)
+    return grub_fdtbus_invalid_mapping;
+  if (ranges_size == 0)
+    return translate (dev->parent, reg);
+  parent_address_cells = get_address_cells (dev->parent);
+  child_address_cells = get_address_cells (dev);
+  child_size_cells = get_size_cells (dev);
+  cells_per_mapping = parent_address_cells + child_address_cells + child_size_cells;
+  nmappings = ranges_size / 4 / cells_per_mapping;
+  for (i = 0; i < nmappings; i++)
+    {
+      const grub_uint32_t *child_addr = &ranges[i * cells_per_mapping];
+      const grub_uint32_t *parent_addr = child_addr + child_address_cells;
+      grub_uint64_t child_size = get64 (parent_addr + parent_address_cells, child_size_cells);
+
+      if (child_address_cells > 2 && grub_memcmp (reg, child_addr, (child_address_cells - 2) * 4) != 0)
+	continue;
+      if (get64 (reg, child_address_cells) < get64 (child_addr, child_address_cells))
+	continue;
+
+      grub_uint64_t offset = get64 (reg, child_address_cells) - get64 (child_addr, child_address_cells);
+      if (offset >= child_size)
+	continue;
+
+      ret = translate (dev->parent, parent_addr);
+      if (grub_fdtbus_is_mapping_valid (ret))
+	ret = (volatile char *) ret + offset;
+      return ret;
+    }
+  return grub_fdtbus_invalid_mapping;
+}
+
+volatile void *
+grub_fdtbus_map_reg (const struct grub_fdtbus_dev *dev, int regno, grub_size_t *size)
+{
+  grub_size_t address_cells, size_cells;
+  address_cells = get_address_cells (dev->parent);
+  size_cells = get_size_cells (dev->parent);
+  const grub_uint32_t *reg = grub_fdt_get_prop (dtb, dev->node, "reg", 0);
+  if (size && size_cells)
+    *size = reg[(address_cells + size_cells) * regno + address_cells];
+  if (size && !size_cells)
+    *size = 0;
+  return translate (dev->parent, reg + (address_cells + size_cells) * regno);
+}
+
+const char *
+grub_fdtbus_get_name (const struct grub_fdtbus_dev *dev)
+{
+  return grub_fdt_get_nodename (dtb, dev->node);
+}
+
+const void *
+grub_fdtbus_get_prop (const struct grub_fdtbus_dev *dev,
+		      const char *name,
+		      grub_uint32_t *len)
+{
+  return grub_fdt_get_prop (dtb, dev->node, name, len);
+}
+
+const void *
+grub_fdtbus_get_fdt (void)
+{
+  return dtb;
+}
--- a/grub-core/bus/usb/dwc2-fdt.c
+++ b/grub-core/bus/usb/dwc2-fdt.c
@@ -0,0 +1,45 @@
+/* ehci.c - EHCI Support.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/time.h>
+#include <grub/usb.h>
+#include <grub/fdtbus.h>
+
+static grub_err_t
+dwc2_attach(const struct grub_fdtbus_dev *dev)
+{
+  grub_dprintf ("dwc2", "Found snps-dwc2\n");
+
+  grub_dwc2_init_device (grub_fdtbus_map_reg (dev, 0, 0));
+  return 0;
+}
+
+struct grub_fdtbus_driver dwc2 =
+{
+  .compatible = "snps,dwc2",
+  .attach = dwc2_attach
+};
+
+void
+grub_dwc2_pci_scan (void)
+{
+  grub_fdtbus_register (&dwc2);
+}
--- a/grub-core/bus/usb/dwc2.c
+++ b/grub-core/bus/usb/dwc2.c
--- a/grub-core/bus/usb/ehci-fdt.c
+++ b/grub-core/bus/usb/ehci-fdt.c
@@ -0,0 +1,45 @@
+/* ehci.c - EHCI Support.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/time.h>
+#include <grub/usb.h>
+#include <grub/fdtbus.h>
+
+static grub_err_t
+ehci_attach(const struct grub_fdtbus_dev *dev)
+{
+  grub_dprintf ("ehci", "Found generic-ehci\n");
+
+  grub_ehci_init_device (grub_fdtbus_map_reg (dev, 0, 0));
+  return 0;
+}
+
+struct grub_fdtbus_driver ehci =
+{
+  .compatible = "generic-ehci",
+  .attach = ehci_attach
+};
+
+void
+grub_ehci_pci_scan (void)
+{
+  grub_fdtbus_register (&ehci);
+}
--- a/grub-core/bus/usb/ehci-pci.c
+++ b/grub-core/bus/usb/ehci-pci.c
@@ -0,0 +1,208 @@
+/* ehci.c - EHCI Support.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/pci.h>
+#include <grub/cpu/pci.h>
+#include <grub/cs5536.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/time.h>
+#include <grub/usb.h>
+
+#define GRUB_EHCI_PCI_SBRN_REG  0x60
+#define GRUB_EHCI_ADDR_MEM_MASK	(~0xff)
+
+/* USBLEGSUP bits and related OS OWNED byte offset */
+enum
+{
+  GRUB_EHCI_BIOS_OWNED = (1 << 16),
+  GRUB_EHCI_OS_OWNED = (1 << 24)
+};
+
+/* PCI iteration function... */
+static int
+grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
+		    void *data __attribute__ ((unused)))
+{
+  volatile grub_uint32_t *regs;
+  grub_uint32_t base, base_h;
+  grub_uint32_t eecp_offset;
+  grub_uint32_t usblegsup = 0;
+  grub_uint64_t maxtime;
+  grub_uint32_t interf;
+  grub_uint32_t subclass;
+  grub_uint32_t class;
+  grub_uint8_t release;
+  grub_uint32_t class_code;
+
+  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: begin\n");
+
+  if (pciid == GRUB_CS5536_PCIID)
+    {
+      grub_uint64_t basereg;
+
+      basereg = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE);
+      if (!(basereg & GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE))
+	{
+	  /* Shouldn't happen.  */
+	  grub_dprintf ("ehci", "No EHCI address is assigned\n");
+	  return 0;
+	}
+      base = (basereg & GRUB_CS5536_MSR_USB_BASE_ADDR_MASK);
+      basereg |= GRUB_CS5536_MSR_USB_BASE_BUS_MASTER;
+      basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_ENABLED;
+      basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_STATUS;
+      basereg &= ~GRUB_CS5536_MSR_USB_BASE_SMI_ENABLE;
+      grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE, basereg);
+    }
+  else
+    {
+      grub_pci_address_t addr;
+      addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
+      class_code = grub_pci_read (addr) >> 8;
+      interf = class_code & 0xFF;
+      subclass = (class_code >> 8) & 0xFF;
+      class = class_code >> 16;
+
+      /* If this is not an EHCI controller, just return.  */
+      if (class != 0x0c || subclass != 0x03 || interf != 0x20)
+	return 0;
+
+      grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: class OK\n");
+
+      /* Check Serial Bus Release Number */
+      addr = grub_pci_make_address (dev, GRUB_EHCI_PCI_SBRN_REG);
+      release = grub_pci_read_byte (addr);
+      if (release != 0x20)
+	{
+	  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: Wrong SBRN: %0x\n",
+			release);
+	  return 0;
+	}
+      grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: bus rev. num. OK\n");
+  
+      /* Determine EHCI EHCC registers base address.  */
+      addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
+      base = grub_pci_read (addr);
+      addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
+      base_h = grub_pci_read (addr);
+      /* Stop if registers are mapped above 4G - GRUB does not currently
+       * work with registers mapped above 4G */
+      if (((base & GRUB_PCI_ADDR_MEM_TYPE_MASK) != GRUB_PCI_ADDR_MEM_TYPE_32)
+	  && (base_h != 0))
+	{
+	  grub_dprintf ("ehci",
+			"EHCI grub_ehci_pci_iter: registers above 4G are not supported\n");
+	  return 0;
+	}
+      base &= GRUB_PCI_ADDR_MEM_MASK;
+      if (!base)
+	{
+	  grub_dprintf ("ehci",
+			"EHCI: EHCI is not mapped\n");
+	  return 0;
+	}
+
+      /* Set bus master - needed for coreboot, VMware, broken BIOSes etc. */
+      addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
+      grub_pci_write_word(addr,
+			  GRUB_PCI_COMMAND_MEM_ENABLED
+			  | GRUB_PCI_COMMAND_BUS_MASTER
+			  | grub_pci_read_word(addr));
+      
+      grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: 32-bit EHCI OK\n");
+    }
+
+  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: iobase of EHCC: %08x\n",
+		(base & GRUB_EHCI_ADDR_MEM_MASK));
+
+  regs = grub_pci_device_map_range (dev,
+				    (base & GRUB_EHCI_ADDR_MEM_MASK),
+				    0x100);
+
+  /* Is there EECP ? */
+  eecp_offset = (grub_le_to_cpu32 (regs[2]) >> 8) & 0xff;
+
+    /* Determine and change ownership. */
+  /* EECP offset valid in HCCPARAMS */
+  /* Ownership can be changed via EECP only */
+  if (pciid != GRUB_CS5536_PCIID && eecp_offset >= 0x40)	
+    {
+      grub_pci_address_t pciaddr_eecp;
+      pciaddr_eecp = grub_pci_make_address (dev, eecp_offset);
+
+      usblegsup = grub_pci_read (pciaddr_eecp);
+      if (usblegsup & GRUB_EHCI_BIOS_OWNED)
+	{
+	  grub_boot_time ("Taking ownership of EHCI controller");
+	  grub_dprintf ("ehci",
+			"EHCI grub_ehci_pci_iter: EHCI owned by: BIOS\n");
+	  /* Ownership change - set OS_OWNED bit */
+	  grub_pci_write (pciaddr_eecp, usblegsup | GRUB_EHCI_OS_OWNED);
+	  /* Ensure PCI register is written */
+	  grub_pci_read (pciaddr_eecp);
+
+	  /* Wait for finish of ownership change, EHCI specification
+	   * doesn't say how long it can take... */
+	  maxtime = grub_get_time_ms () + 1000;
+	  while ((grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
+		 && (grub_get_time_ms () < maxtime));
+	  if (grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
+	    {
+	      grub_dprintf ("ehci",
+			    "EHCI grub_ehci_pci_iter: EHCI change ownership timeout");
+	      /* Change ownership in "hard way" - reset BIOS ownership */
+	      grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
+	      /* Ensure PCI register is written */
+	      grub_pci_read (pciaddr_eecp);
+	    }
+	}
+      else if (usblegsup & GRUB_EHCI_OS_OWNED)
+	/* XXX: What to do in this case - nothing ? Can it happen ? */
+	grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: EHCI owned by: OS\n");
+      else
+	{
+	  grub_dprintf ("ehci",
+			"EHCI grub_ehci_pci_iter: EHCI owned by: NONE\n");
+	  /* XXX: What to do in this case ? Can it happen ?
+	   * Is code below correct ? */
+	  /* Ownership change - set OS_OWNED bit */
+	  grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
+	  /* Ensure PCI register is written */
+	  grub_pci_read (pciaddr_eecp);
+	}
+
+      /* Disable SMI, just to be sure.  */
+      pciaddr_eecp = grub_pci_make_address (dev, eecp_offset + 4);
+      grub_pci_write (pciaddr_eecp, 0);
+      /* Ensure PCI register is written */
+      grub_pci_read (pciaddr_eecp);
+    }
+
+  grub_dprintf ("ehci", "inithw: EHCI grub_ehci_pci_iter: ownership OK\n");
+
+  grub_ehci_init_device (regs);
+  return 0;
+}
+
+void
+grub_ehci_pci_scan (void)
+{
+  grub_pci_iterate (grub_ehci_pci_iter, NULL);
+}
--- a/grub-core/bus/usb/ehci.c
+++ b/grub-core/bus/usb/ehci.c
@@ -22,13 +22,10 @@
 #include <grub/usb.h>
 #include <grub/usbtrans.h>
 #include <grub/misc.h>
-#include <grub/pci.h>
-#include <grub/cpu/pci.h>
-#include <grub/cpu/io.h>
 #include <grub/time.h>
 #include <grub/loader.h>
-#include <grub/cs5536.h>
 #include <grub/disk.h>
+#include <grub/dma.h>
 #include <grub/cache.h>

 GRUB_MOD_LICENSE ("GPLv3+");
@@ -39,8 +36,6 @@ GRUB_MOD_LICENSE ("GPLv3+");
 *      - is not supporting interrupt transfers
 */

-#define GRUB_EHCI_PCI_SBRN_REG  0x60
-
 /* Capability registers offsets */
 enum
 {
@@ -54,7 +49,6 @@ enum
 #define GRUB_EHCI_EECP_MASK     (0xff << 8)
 #define GRUB_EHCI_EECP_SHIFT    8

-#define GRUB_EHCI_ADDR_MEM_MASK	(~0xff)
 #define GRUB_EHCI_POINTER_MASK	(~0x1f)

 /* Capability register SPARAMS bits */
@@ -85,13 +79,6 @@ enum

 #define GRUB_EHCI_QH_EMPTY 1

-/* USBLEGSUP bits and related OS OWNED byte offset */
-enum
-{
-  GRUB_EHCI_BIOS_OWNED = (1 << 16),
-  GRUB_EHCI_OS_OWNED = (1 << 24)
-};
-
 /* Operational registers offsets */
 enum
 {
@@ -455,9 +442,10 @@ grub_ehci_reset (struct grub_ehci *e)

  sync_all_caches (e);

+  grub_dprintf ("ehci", "reset\n");
+
  grub_ehci_oper_write32 (e, GRUB_EHCI_COMMAND,
-			  GRUB_EHCI_CMD_HC_RESET
-			  | grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
+			  GRUB_EHCI_CMD_HC_RESET);
  /* Ensure command is written */
  grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND);
  /* XXX: How long time could take reset of HC ? */
@@ -473,116 +461,24 @@ grub_ehci_reset (struct grub_ehci *e)
 }

 /* PCI iteration function... */
-static int
-grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
-		    void *data __attribute__ ((unused)))
+void
+grub_ehci_init_device (volatile void *regs)
 {
-  grub_uint8_t release;
-  grub_uint32_t class_code;
-  grub_uint32_t interf;
-  grub_uint32_t subclass;
-  grub_uint32_t class;
-  grub_uint32_t base, base_h;
  struct grub_ehci *e;
-  grub_uint32_t eecp_offset;
  grub_uint32_t fp;
  int i;
-  grub_uint32_t usblegsup = 0;
-  grub_uint64_t maxtime;
  grub_uint32_t n_ports;
  grub_uint8_t caplen;

-  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: begin\n");
-
-  if (pciid == GRUB_CS5536_PCIID)
-    {
-      grub_uint64_t basereg;
-
-      basereg = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE);
-      if (!(basereg & GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE))
-	{
-	  /* Shouldn't happen.  */
-	  grub_dprintf ("ehci", "No EHCI address is assigned\n");
-	  return 0;
-	}
-      base = (basereg & GRUB_CS5536_MSR_USB_BASE_ADDR_MASK);
-      basereg |= GRUB_CS5536_MSR_USB_BASE_BUS_MASTER;
-      basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_ENABLED;
-      basereg &= ~GRUB_CS5536_MSR_USB_BASE_PME_STATUS;
-      basereg &= ~GRUB_CS5536_MSR_USB_BASE_SMI_ENABLE;
-      grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE, basereg);
-    }
-  else
-    {
-      grub_pci_address_t addr;
-      addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
-      class_code = grub_pci_read (addr) >> 8;
-      interf = class_code & 0xFF;
-      subclass = (class_code >> 8) & 0xFF;
-      class = class_code >> 16;
-
-      /* If this is not an EHCI controller, just return.  */
-      if (class != 0x0c || subclass != 0x03 || interf != 0x20)
-	return 0;
-
-      grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: class OK\n");
-
-      /* Check Serial Bus Release Number */
-      addr = grub_pci_make_address (dev, GRUB_EHCI_PCI_SBRN_REG);
-      release = grub_pci_read_byte (addr);
-      if (release != 0x20)
-	{
-	  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: Wrong SBRN: %0x\n",
-			release);
-	  return 0;
-	}
-      grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: bus rev. num. OK\n");
-  
-      /* Determine EHCI EHCC registers base address.  */
-      addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
-      base = grub_pci_read (addr);
-      addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
-      base_h = grub_pci_read (addr);
-      /* Stop if registers are mapped above 4G - GRUB does not currently
-       * work with registers mapped above 4G */
-      if (((base & GRUB_PCI_ADDR_MEM_TYPE_MASK) != GRUB_PCI_ADDR_MEM_TYPE_32)
-	  && (base_h != 0))
-	{
-	  grub_dprintf ("ehci",
-			"EHCI grub_ehci_pci_iter: registers above 4G are not supported\n");
-	  return 0;
-	}
-      base &= GRUB_PCI_ADDR_MEM_MASK;
-      if (!base)
-	{
-	  grub_dprintf ("ehci",
-			"EHCI: EHCI is not mapped\n");
-	  return 0;
-	}
-
-      /* Set bus master - needed for coreboot, VMware, broken BIOSes etc. */
-      addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
-      grub_pci_write_word(addr,
-			  GRUB_PCI_COMMAND_MEM_ENABLED
-			  | GRUB_PCI_COMMAND_BUS_MASTER
-			  | grub_pci_read_word(addr));
-      
-      grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: 32-bit EHCI OK\n");
-    }
-
  /* Allocate memory for the controller and fill basic values. */
  e = grub_zalloc (sizeof (*e));
  if (!e)
-    return 1;
+    return;
  e->framelist_chunk = NULL;
  e->td_chunk = NULL;
  e->qh_chunk = NULL;
-  e->iobase_ehcc = grub_pci_device_map_range (dev,
-					      (base & GRUB_EHCI_ADDR_MEM_MASK),
-					      0x100);
+  e->iobase_ehcc = regs;

-  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: iobase of EHCC: %08x\n",
-		(base & GRUB_EHCI_ADDR_MEM_MASK));
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CAPLEN: %02x\n",
 		grub_ehci_ehcc_read8 (e, GRUB_EHCI_EHCC_CAPLEN));
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: VERSION: %04x\n",
@@ -598,7 +494,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
  if (caplen & (sizeof (grub_uint32_t) - 1))
    {
      grub_dprintf ("ehci", "Unaligned caplen\n");
-      return 0;
+      return;
    }
  e->iobase = ((volatile grub_uint32_t *) e->iobase_ehcc
 	       + (caplen / sizeof (grub_uint32_t)));
@@ -609,7 +505,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,

  grub_dprintf ("ehci",
 		"EHCI grub_ehci_pci_iter: iobase of oper. regs: %08x\n",
-		(base & GRUB_EHCI_ADDR_MEM_MASK) + caplen);
+		(grub_addr_t) e->iobase_ehcc + caplen);
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: COMMAND: %08x\n",
 		grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: STATUS: %08x\n",
@@ -625,10 +521,6 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CONFIG_FLAG: %08x\n",
 		grub_ehci_oper_read32 (e, GRUB_EHCI_CONFIG_FLAG));

-  /* Is there EECP ? */
-  eecp_offset = (grub_ehci_ehcc_read32 (e, GRUB_EHCI_EHCC_CPARAMS)
-		 & GRUB_EHCI_EECP_MASK) >> GRUB_EHCI_EECP_SHIFT;
-
  /* Check format of data structures requested by EHCI */
  /* XXX: In fact it is not used at any place, it is prepared for future
   * This implementation uses 32-bits pointers only */
@@ -732,65 +624,6 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,

  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: QH/TD init. OK\n");

-  /* Determine and change ownership. */
-  /* EECP offset valid in HCCPARAMS */
-  /* Ownership can be changed via EECP only */
-  if (pciid != GRUB_CS5536_PCIID && eecp_offset >= 0x40)	
-    {
-      grub_pci_address_t pciaddr_eecp;
-      pciaddr_eecp = grub_pci_make_address (dev, eecp_offset);
-
-      usblegsup = grub_pci_read (pciaddr_eecp);
-      if (usblegsup & GRUB_EHCI_BIOS_OWNED)
-	{
-	  grub_boot_time ("Taking ownership of EHCI controller");
-	  grub_dprintf ("ehci",
-			"EHCI grub_ehci_pci_iter: EHCI owned by: BIOS\n");
-	  /* Ownership change - set OS_OWNED bit */
-	  grub_pci_write (pciaddr_eecp, usblegsup | GRUB_EHCI_OS_OWNED);
-	  /* Ensure PCI register is written */
-	  grub_pci_read (pciaddr_eecp);
-
-	  /* Wait for finish of ownership change, EHCI specification
-	   * doesn't say how long it can take... */
-	  maxtime = grub_get_time_ms () + 1000;
-	  while ((grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
-		 && (grub_get_time_ms () < maxtime));
-	  if (grub_pci_read (pciaddr_eecp) & GRUB_EHCI_BIOS_OWNED)
-	    {
-	      grub_dprintf ("ehci",
-			    "EHCI grub_ehci_pci_iter: EHCI change ownership timeout");
-	      /* Change ownership in "hard way" - reset BIOS ownership */
-	      grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
-	      /* Ensure PCI register is written */
-	      grub_pci_read (pciaddr_eecp);
-	    }
-	}
-      else if (usblegsup & GRUB_EHCI_OS_OWNED)
-	/* XXX: What to do in this case - nothing ? Can it happen ? */
-	grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: EHCI owned by: OS\n");
-      else
-	{
-	  grub_dprintf ("ehci",
-			"EHCI grub_ehci_pci_iter: EHCI owned by: NONE\n");
-	  /* XXX: What to do in this case ? Can it happen ?
-	   * Is code below correct ? */
-	  /* Ownership change - set OS_OWNED bit */
-	  grub_pci_write (pciaddr_eecp, GRUB_EHCI_OS_OWNED);
-	  /* Ensure PCI register is written */
-	  grub_pci_read (pciaddr_eecp);
-	}
-
-    /* Disable SMI, just to be sure.  */
-    pciaddr_eecp = grub_pci_make_address (dev, eecp_offset + 4);
-    grub_pci_write (pciaddr_eecp, 0);
-    /* Ensure PCI register is written */
-    grub_pci_read (pciaddr_eecp);
-
-    }
-
-  grub_dprintf ("ehci", "inithw: EHCI grub_ehci_pci_iter: ownership OK\n");
-
  /* Now we can setup EHCI (maybe...) */

  /* Check if EHCI is halted and halt it if not */
@@ -864,7 +697,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,

  grub_dprintf ("ehci",
 		"EHCI grub_ehci_pci_iter: iobase of oper. regs: %08x\n",
-		(base & GRUB_EHCI_ADDR_MEM_MASK));
+		(grub_addr_t) regs);
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: COMMAND: %08x\n",
 		grub_ehci_oper_read32 (e, GRUB_EHCI_COMMAND));
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: STATUS: %08x\n",
@@ -880,7 +713,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev, grub_pci_id_t pciid,
  grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CONFIG_FLAG: %08x\n",
 		grub_ehci_oper_read32 (e, GRUB_EHCI_CONFIG_FLAG));

-  return 0;
+  return;

 fail:
  if (e)
@@ -894,7 +727,7 @@ fail:
    }
  grub_free (e);

-  return 0;
+  return;
 }

 static int
@@ -1746,8 +1579,8 @@ grub_ehci_hubports (grub_usb_controller_t dev)
 }

 static grub_usb_err_t
-grub_ehci_portstatus (grub_usb_controller_t dev,
-		      unsigned int port, unsigned int enable)
+grub_ehci_reset_port (grub_usb_controller_t dev,
+		      unsigned int port)
 {
  struct grub_ehci *e = (struct grub_ehci *) dev->data;
  grub_uint64_t endtime;
@@ -1769,14 +1602,6 @@ grub_ehci_portstatus (grub_usb_controller_t dev,
    if (grub_get_time_ms () > endtime)
      return GRUB_USB_ERR_TIMEOUT;

-  if (!enable)			/* We don't need reset port */
-    {
-      grub_dprintf ("ehci", "portstatus: Disabled.\n");
-      grub_dprintf ("ehci", "portstatus: end, status=0x%02x\n",
-		    grub_ehci_port_read (e, port));
-      return GRUB_USB_ERR_NONE;
-    }
-
  grub_dprintf ("ehci", "portstatus: enable\n");

  grub_boot_time ("Resetting port %d", port);
@@ -1891,12 +1716,6 @@ grub_ehci_detect_dev (grub_usb_controller_t dev, int port, int *changed)
    }
 }

-static void
-grub_ehci_inithw (void)
-{
-  grub_pci_iterate (grub_ehci_pci_iter, NULL);
-}
-
 static grub_err_t
 grub_ehci_restore_hw (void)
 {
@@ -1983,7 +1802,7 @@ static struct grub_usb_controller_dev usb_controller = {
  .check_transfer = grub_ehci_check_transfer,
  .cancel_transfer = grub_ehci_cancel_transfer,
  .hubports = grub_ehci_hubports,
-  .portstatus = grub_ehci_portstatus,
+  .reset_port = grub_ehci_reset_port,
  .detect_dev = grub_ehci_detect_dev,
  /* estimated max. count of TDs for one bulk transfer */
  .max_bulk_tds = GRUB_EHCI_N_TD * 3 / 4 
@@ -1997,7 +1816,7 @@ GRUB_MOD_INIT (ehci)
  grub_stop_disk_firmware ();

  grub_boot_time ("Initing EHCI hardware");
-  grub_ehci_inithw ();
+  grub_ehci_pci_scan ();
  grub_boot_time ("Registering EHCI driver");
  grub_usb_controller_dev_register (&usb_controller);
  grub_boot_time ("EHCI driver registered");
--- a/grub-core/bus/usb/ohci.c
+++ b/grub-core/bus/usb/ohci.c
@@ -1224,8 +1224,8 @@ grub_ohci_cancel_transfer (grub_usb_controller_t dev,
 }

 static grub_usb_err_t
-grub_ohci_portstatus (grub_usb_controller_t dev,
-		      unsigned int port, unsigned int enable)
+grub_ohci_rest_port (grub_usb_controller_t dev,
+		     unsigned int port)
 {
   struct grub_ohci *o = (struct grub_ohci *) dev->data;
   grub_uint64_t endtime;
@@ -1233,22 +1233,6 @@ grub_ohci_portstatus (grub_usb_controller_t dev,

   grub_dprintf ("ohci", "begin of portstatus=0x%02x\n",
                 grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port));
-
-   if (!enable) /* We don't need reset port */
-     {
-       /* Disable the port and wait for it. */
-       grub_ohci_writereg32 (o, GRUB_OHCI_REG_RHUBPORT + port,
-                             GRUB_OHCI_CLEAR_PORT_ENABLE);
-       endtime = grub_get_time_ms () + 1000;
-       while ((grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port)
-               & (1 << 1)))
-         if (grub_get_time_ms () > endtime)
-           return GRUB_USB_ERR_TIMEOUT;
-
-       grub_dprintf ("ohci", "end of portstatus=0x%02x\n",
-         grub_ohci_readreg32 (o, GRUB_OHCI_REG_RHUBPORT + port));
-       return GRUB_USB_ERR_NONE;
-     }
     
   /* OHCI does one reset signal 10ms long but USB spec.
    * requests 50ms for root hub (no need to be continuous).
@@ -1438,7 +1422,7 @@ static struct grub_usb_controller_dev usb_controller =
  .check_transfer = grub_ohci_check_transfer,
  .cancel_transfer = grub_ohci_cancel_transfer,
  .hubports = grub_ohci_hubports,
-  .portstatus = grub_ohci_portstatus,
+  .reset_port = grub_ohci_reset_port,
  .detect_dev = grub_ohci_detect_dev,
  /* estimated max. count of TDs for one bulk transfer */
  .max_bulk_tds = GRUB_OHCI_TDS * 3 / 4
--- a/grub-core/bus/usb/uhci.c
+++ b/grub-core/bus/usb/uhci.c
@@ -710,8 +710,8 @@ grub_uhci_iterate (grub_usb_controller_iterate_hook_t hook, void *hook_data)
 }

 static grub_usb_err_t
-grub_uhci_portstatus (grub_usb_controller_t dev,
-		      unsigned int port, unsigned int enable)
+grub_uhci_reset_port (grub_usb_controller_t dev,
+		      unsigned int port)
 {
  struct grub_uhci *u = (struct grub_uhci *) dev->data;
  int reg;
@@ -731,21 +731,6 @@ grub_uhci_portstatus (grub_usb_controller_t dev,

  status = grub_uhci_readreg16 (u, reg);
  grub_dprintf ("uhci", "detect=0x%02x\n", status);
-
-  if (!enable) /* We don't need reset port */
-    {
-      /* Disable the port.  */
-      grub_uhci_writereg16 (u, reg, 0 << 2);
-      grub_dprintf ("uhci", "waiting for the port to be disabled\n");
-      endtime = grub_get_time_ms () + 1000;
-      while ((grub_uhci_readreg16 (u, reg) & (1 << 2)))
-        if (grub_get_time_ms () > endtime)
-          return GRUB_USB_ERR_TIMEOUT;
-
-      status = grub_uhci_readreg16 (u, reg);
-      grub_dprintf ("uhci", ">3detect=0x%02x\n", status);
-      return GRUB_USB_ERR_NONE;
-    }
    
  /* Reset the port.  */
  status = grub_uhci_readreg16 (u, reg) & ~GRUB_UHCI_PORTSC_RWC;
@@ -843,7 +828,7 @@ static struct grub_usb_controller_dev usb_controller =
  .check_transfer = grub_uhci_check_transfer,
  .cancel_transfer = grub_uhci_cancel_transfer,
  .hubports = grub_uhci_hubports,
-  .portstatus = grub_uhci_portstatus,
+  .reset_port = grub_uhci_reset_port,
  .detect_dev = grub_uhci_detect_dev,
  /* estimated max. count of TDs for one bulk transfer */
  .max_bulk_tds = N_TD * 3 / 4
--- a/grub-core/bus/usb/usbhub.c
+++ b/grub-core/bus/usb/usbhub.c
@@ -207,8 +207,8 @@ attach_root_port (struct grub_usb_hub *hub, int portno,

  grub_boot_time ("After detect_dev");

-  /* Enable the port.  */
-  err = hub->controller->dev->portstatus (hub->controller, portno, 1);
+  /* Reset port.  */
+  err = hub->controller->dev->reset_port (hub->controller, portno);
  if (err)
    return;
  hub->controller->dev->pending_reset = grub_get_time_ms () + 5000;
--- a/grub-core/bus/usb/usbtrans.c
+++ b/grub-core/bus/usb/usbtrans.c
@@ -18,7 +18,7 @@
 */

 #include <grub/dl.h>
-#include <grub/pci.h>
+#include <grub/dma.h>
 #include <grub/mm.h>
 #include <grub/misc.h>
 #include <grub/usb.h>
--- a/grub-core/commands/acpi.c
+++ b/grub-core/commands/acpi.c
@@ -761,10 +761,10 @@ grub_cmd_acpi (struct grub_extcmd_context *ctxt, int argc, char **args)
    struct grub_efi_guid acpi = GRUB_EFI_ACPI_TABLE_GUID;
    struct grub_efi_guid acpi20 = GRUB_EFI_ACPI_20_TABLE_GUID;

-    efi_call_2 (grub_efi_system_table->boot_services->install_configuration_table,
-      &acpi20, grub_acpi_get_rsdpv2 ());
-    efi_call_2 (grub_efi_system_table->boot_services->install_configuration_table,
-      &acpi, grub_acpi_get_rsdpv1 ());
+    grub_efi_system_table->boot_services->install_configuration_table
+      (&acpi20, grub_acpi_get_rsdpv2 ());
+    grub_efi_system_table->boot_services->install_configuration_table
+      (&acpi, grub_acpi_get_rsdpv1 ());
  }
 #endif

--- a/grub-core/commands/cat.c
+++ b/grub-core/commands/cat.c
@@ -140,13 +140,10 @@ grub_cmd_cat (grub_extcmd_context_t ctxt, int argc, char **args)
      grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
    }

-  if (utcount)
-    {
-      grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
-      for (j = 0; j < utcount; j++)
-	grub_printf ("<%x>", (unsigned int) utbuf[j]);
-      grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
-    }
+  grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
+  for (j = 0; j < utcount; j++)
+    grub_printf ("<%x>", (unsigned int) utbuf[j]);
+  grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);

  grub_xputs ("\n");
  grub_refresh ();
--- a/grub-core/commands/hdparm.c
+++ b/grub-core/commands/hdparm.c
@@ -328,7 +328,6 @@ grub_cmd_hdparm (grub_extcmd_context_t ctxt, int argc, char **args)
 	  ata = ((struct grub_scsi *) disk->data)->data;
 	  break;
 	}
-      /* FALLTHROUGH */
    default:
      grub_disk_close (disk);
      return grub_error (GRUB_ERR_IO, "not an ATA device");
--- a/grub-core/commands/i386/coreboot/cb_timestamps.c
+++ b/grub-core/commands/i386/coreboot/cb_timestamps.c
@@ -20,7 +20,7 @@
 #include <grub/misc.h>
 #include <grub/command.h>
 #include <grub/i18n.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
 #include <grub/i386/tsc.h>

 GRUB_MOD_LICENSE ("GPLv3+");
--- a/grub-core/commands/i386/coreboot/cbls.c
+++ b/grub-core/commands/i386/coreboot/cbls.c
@@ -20,7 +20,7 @@
 #include <grub/misc.h>
 #include <grub/command.h>
 #include <grub/i18n.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
 #include <grub/i386/tsc.h>

 GRUB_MOD_LICENSE ("GPLv3+");
--- a/grub-core/commands/legacycfg.c
+++ b/grub-core/commands/legacycfg.c
@@ -517,7 +517,7 @@ grub_cmd_legacy_initrd (struct grub_command *mycmd __attribute__ ((unused)),
 #endif
 			   );

-      return cmd->func (cmd, argc ? 1 : 0, args);
+      return cmd->func (cmd, argc, args);
    }
  if (kernel_type == MULTIBOOT)
    {
--- a/grub-core/commands/nativedisk.c
+++ b/grub-core/commands/nativedisk.c
@@ -79,7 +79,6 @@ get_uuid (const char *name, char **uuid, int getnative)
    case GRUB_DISK_DEVICE_XEN:
      if (getnative)
 	break;
-      /* FALLTHROUGH */

      /* Virtual disks.  */
      /* GRUB dynamically generated files.  */
--- a/grub-core/commands/search.c
+++ b/grub-core/commands/search.c
@@ -64,7 +64,7 @@ iterate_device (const char *name, void *data)
  /* Skip floppy drives when requested.  */
  if (ctx->no_floppy &&
      name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9')
-    return 1;
+    return 0;

 #ifdef DO_SEARCH_FS_UUID
 #define compare_fn grub_strcasecmp
--- a/grub-core/disk/cryptodisk.c
+++ b/grub-core/disk/cryptodisk.c
@@ -282,7 +282,6 @@ grub_cryptodisk_endecrypt (struct grub_cryptodisk *dev,
 	  break;
 	case GRUB_CRYPTODISK_MODE_IV_PLAIN64:
 	  iv[1] = grub_cpu_to_le32 (sector >> 32);
-	  /* FALLTHROUGH */
 	case GRUB_CRYPTODISK_MODE_IV_PLAIN:
 	  iv[0] = grub_cpu_to_le32 (sector & 0xFFFFFFFF);
 	  break;
--- a/grub-core/disk/efi/efidisk.c
+++ b/grub-core/disk/efi/efidisk.c
@@ -80,15 +80,6 @@ make_devices (void)
 	/* This should not happen... Why?  */
 	continue;

-      /* iPXE adds stub Block IO protocol to loaded image device handle. It is
-         completely non-functional and simply returns an error for every method.
-        So attempt to detect and skip it. Magic number is literal "iPXE" and
-        check block size as well */
-      /* FIXME: shoud we close it? We do not do it elsewhere */
-      if (bio->media && bio->media->media_id == 0x69505845U &&
-         bio->media->block_size == 1)
-         continue;
-
      d = grub_malloc (sizeof (*d));
      if (! d)
 	{
@@ -224,7 +215,7 @@ name_devices (struct grub_efidisk_data *devices)
 	    {
 	    case GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE:
 	      is_hard_drive = 1;
-	      /* Intentionally fall through.  */
+	      /* Fall through by intention.  */
 	    case GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE:
 	      {
 		struct grub_efidisk_data *parent, *parent2;
@@ -502,15 +493,8 @@ grub_efidisk_open (const char *name, struct grub_disk *disk)
  m = d->block_io->media;
  /* FIXME: Probably it is better to store the block size in the disk,
     and total sectors should be replaced with total blocks.  */
-  grub_dprintf ("efidisk",
-		"m = %p, last block = %llx, block size = %x, io align = %x\n",
-		m, (unsigned long long) m->last_block, m->block_size,
-		m->io_align);
-
-  /* Ensure required buffer alignment is a power of two (or is zero). */
-  if (m->io_align & (m->io_align - 1))
-    return grub_error (GRUB_ERR_IO, "invalid buffer alignment %d", m->io_align);
-
+  grub_dprintf ("efidisk", "m = %p, last block = %llx, block size = %x\n",
+		m, (unsigned long long) m->last_block, m->block_size);
  disk->total_sectors = m->last_block + 1;
  /* Don't increase this value due to bug in some EFI.  */
  disk->max_agglomerate = 0xa0000 >> (GRUB_DISK_CACHE_BITS + GRUB_DISK_SECTOR_BITS);
@@ -540,42 +524,15 @@ grub_efidisk_readwrite (struct grub_disk *disk, grub_disk_addr_t sector,
 {
  struct grub_efidisk_data *d;
  grub_efi_block_io_t *bio;
-  grub_efi_status_t status;
-  grub_size_t io_align, num_bytes;
-  char *aligned_buf;

  d = disk->data;
  bio = d->block_io;

-  /* Set alignment to 1 if 0 specified */
-  io_align = bio->media->io_align ? bio->media->io_align : 1;
-  num_bytes = size << disk->log_sector_size;
-
-  if ((grub_addr_t) buf & (io_align - 1))
-    {
-      aligned_buf = grub_memalign (io_align, num_bytes);
-      if (! aligned_buf)
-	return GRUB_EFI_OUT_OF_RESOURCES;
-      if (wr)
-	grub_memcpy (aligned_buf, buf, num_bytes);
-    }
-  else
-    {
-      aligned_buf = buf;
-    }
-
-  status =  efi_call_5 ((wr ? bio->write_blocks : bio->read_blocks), bio,
-			bio->media->media_id, (grub_efi_uint64_t) sector,
-			(grub_efi_uintn_t) num_bytes, aligned_buf);
-
-  if ((grub_addr_t) buf & (io_align - 1))
-    {
-      if (!wr)
-	grub_memcpy (buf, aligned_buf, num_bytes);
-      grub_free (aligned_buf);
-    }
-
-  return status;
+  return efi_call_5 ((wr ? bio->write_blocks : bio->read_blocks), bio,
+		     bio->media->media_id,
+		     (grub_efi_uint64_t) sector,
+		     (grub_efi_uintn_t) size << disk->log_sector_size,
+		     buf);
 }

 static grub_err_t
@@ -590,9 +547,7 @@ grub_efidisk_read (struct grub_disk *disk, grub_disk_addr_t sector,

  status = grub_efidisk_readwrite (disk, sector, size, buf, 0);

-  if (status == GRUB_EFI_NO_MEDIA)
-    return grub_error (GRUB_ERR_OUT_OF_RANGE, N_("no media in `%s'"), disk->name);
-  else if (status != GRUB_EFI_SUCCESS)
+  if (status != GRUB_EFI_SUCCESS)
    return grub_error (GRUB_ERR_READ_ERROR,
 		       N_("failure reading sector 0x%llx from `%s'"),
 		       (unsigned long long) sector,
@@ -613,9 +568,7 @@ grub_efidisk_write (struct grub_disk *disk, grub_disk_addr_t sector,

  status = grub_efidisk_readwrite (disk, sector, size, (char *) buf, 1);

-  if (status == GRUB_EFI_NO_MEDIA)
-    return grub_error (GRUB_ERR_OUT_OF_RANGE, N_("no media in `%s'"), disk->name);
-  else if (status != GRUB_EFI_SUCCESS)
+  if (status != GRUB_EFI_SUCCESS)
    return grub_error (GRUB_ERR_WRITE_ERROR,
 		       N_("failure writing sector 0x%llx to `%s'"),
 		       (unsigned long long) sector, disk->name);
--- a/grub-core/efiemu/mm.c
+++ b/grub-core/efiemu/mm.c
@@ -417,7 +417,6 @@ fill_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
      default:
 	grub_dprintf ("efiemu",
 		      "Unknown memory type %d. Assuming unusable\n", type);
-	/* FALLTHROUGH */
      case GRUB_MEMORY_RESERVED:
 	return grub_efiemu_add_to_mmap (addr, size,
 					GRUB_EFI_UNUSABLE_MEMORY);
--- a/grub-core/fs/btrfs.c
+++ b/grub-core/fs/btrfs.c
@@ -227,11 +227,11 @@ grub_btrfs_read_logical (struct grub_btrfs_data *data,
 static grub_err_t
 read_sblock (grub_disk_t disk, struct grub_btrfs_superblock *sb)
 {
-  struct grub_btrfs_superblock sblock;
  unsigned i;
  grub_err_t err = GRUB_ERR_NONE;
  for (i = 0; i < ARRAY_SIZE (superblock_sectors); i++)
    {
+      struct grub_btrfs_superblock sblock;
      /* Don't try additional superblocks beyond device size.  */
      if (i && (grub_le_to_cpu64 (sblock.this_device.size)
 		>> GRUB_DISK_SECTOR_BITS) <= superblock_sectors[i])
--- a/grub-core/fs/fat.c
+++ b/grub-core/fs/fat.c
@@ -189,11 +189,7 @@ struct grub_fshelp_node {
  struct grub_fat_data *data;

  grub_uint8_t attr;
-#ifndef MODE_EXFAT
-  grub_uint32_t file_size;
-#else
-  grub_uint64_t file_size;
-#endif
+  grub_ssize_t file_size;
  grub_uint32_t file_cluster;
  grub_uint32_t cur_cluster_num;
  grub_uint32_t cur_cluster;
--- a/grub-core/fs/iso9660.c
+++ b/grub-core/fs/iso9660.c
@@ -750,15 +750,19 @@ grub_iso9660_iterate_dir (grub_fshelp_node_t dir,

        if (dir->data->joliet && !ctx.filename)
          {
-            char *semicolon;
+            char *oldname, *semicolon;

+            oldname = name;
            ctx.filename = grub_iso9660_convert_string
-                  ((grub_uint8_t *) name, dirent.namelen >> 1);
+                  ((grub_uint8_t *) oldname, dirent.namelen >> 1);

 	    semicolon = grub_strrchr (ctx.filename, ';');
 	    if (semicolon)
 	      *semicolon = '\0';

+            if (ctx.filename_alloc)
+              grub_free (oldname);
+
            ctx.filename_alloc = 1;
          }

--- a/grub-core/fs/squash4.c
+++ b/grub-core/fs/squash4.c
@@ -823,12 +823,7 @@ direct_read (struct grub_squash_data *data,
      curread = data->blksz - boff;
      if (curread > len)
 	curread = len;
-      if (!ino->block_sizes[i])
-	{
-	  /* Sparse block */
-	  grub_memset (buf, '\0', curread);
-	}
-      else if (!(ino->block_sizes[i]
+      if (!(ino->block_sizes[i]
 	    & grub_cpu_to_le32_compile_time (SQUASH_BLOCK_UNCOMPRESSED)))
 	{
 	  char *block;
@@ -878,57 +873,36 @@ direct_read (struct grub_squash_data *data,


 static grub_ssize_t
-grub_squash_read (grub_file_t file, char *buf, grub_size_t len)
+grub_squash_read_data (struct grub_squash_data *data, 
+		       struct grub_squash_cache_inode *ino,
+		       grub_off_t off, char *buf, grub_size_t len)
 {
-  struct grub_squash_data *data = file->data;
-  struct grub_squash_cache_inode *ino = &data->ino;
-  grub_off_t off = file->offset;
  grub_err_t err;
-  grub_uint64_t a, b;
+  grub_uint64_t a = 0, b;
  grub_uint32_t fragment = 0;
  int compressed = 0;
  struct grub_squash_frag_desc frag;
-  grub_off_t direct_len;
-  grub_uint64_t mask = grub_le_to_cpu32 (data->sb.block_size) - 1;
-  grub_size_t orig_len = len;

  switch (ino->ino.type)
    {
    case grub_cpu_to_le16_compile_time (SQUASH_TYPE_LONG_REGULAR):
+      a = grub_le_to_cpu64 (ino->ino.long_file.chunk);
      fragment = grub_le_to_cpu32 (ino->ino.long_file.fragment);
      break;
    case grub_cpu_to_le16_compile_time (SQUASH_TYPE_REGULAR):
+      a = grub_le_to_cpu32 (ino->ino.file.chunk);
      fragment = grub_le_to_cpu32 (ino->ino.file.fragment);
      break;
    }

-  /* Squash may pack file tail as fragment. So read initial part directly and
-     get tail from fragments */
-  direct_len = fragment == 0xffffffff ? file->size : file->size & ~mask;
-  if (off < direct_len)
-    {
-      grub_size_t read_len = direct_len - off;
-      grub_ssize_t res;
-
-      if (read_len > len)
-	read_len = len;
-      res = direct_read (data, ino, off, buf, read_len);
-      if ((grub_size_t) res != read_len)
-	return -1; /* FIXME: is short read possible here? */
-      len -= read_len;
-      if (!len)
-	return read_len;
-      buf += read_len;
-      off = 0;
-    }
-  else
-    off -= direct_len;
+  if (fragment == 0xffffffff)
+    return direct_read (data, ino, off, buf, len);
 
  err = read_chunk (data, &frag, sizeof (frag),
 		    data->fragments, sizeof (frag) * fragment);
  if (err)
    return -1;
-  a = grub_le_to_cpu64 (frag.offset);
+  a += grub_le_to_cpu64 (frag.offset);
  compressed = !(frag.size & grub_cpu_to_le32_compile_time (SQUASH_BLOCK_UNCOMPRESSED));
  if (ino->ino.type == grub_cpu_to_le16_compile_time (SQUASH_TYPE_LONG_REGULAR))
    b = grub_le_to_cpu32 (ino->ino.long_file.offset) + off;
@@ -969,7 +943,16 @@ grub_squash_read (grub_file_t file, char *buf, grub_size_t len)
      if (err)
 	return -1;
    }
-  return orig_len;
+  return len;
+}
+
+static grub_ssize_t
+grub_squash_read (grub_file_t file, char *buf, grub_size_t len)
+{
+  struct grub_squash_data *data = file->data;
+
+  return grub_squash_read_data (data, &data->ino,
+				file->offset, buf, len);
 }

 static grub_err_t
--- a/grub-core/fs/xfs.c
+++ b/grub-core/fs/xfs.c
@@ -76,13 +76,8 @@ GRUB_MOD_LICENSE ("GPLv3+");

 /* incompat feature flags */
 #define XFS_SB_FEAT_INCOMPAT_FTYPE      (1 << 0)        /* filetype in dirent */
-#define XFS_SB_FEAT_INCOMPAT_SPINODES   (1 << 1)        /* sparse inode chunks */
-#define XFS_SB_FEAT_INCOMPAT_META_UUID  (1 << 2)        /* metadata UUID */
-
-/* We do not currently verify metadata UUID so it is safe to read such filesystem */
 #define XFS_SB_FEAT_INCOMPAT_SUPPORTED \
-	(XFS_SB_FEAT_INCOMPAT_FTYPE | \
-	 XFS_SB_FEAT_INCOMPAT_META_UUID)
+	(XFS_SB_FEAT_INCOMPAT_FTYPE)

 struct grub_xfs_sblock
 {
--- a/grub-core/gdb/cstub.c
+++ b/grub-core/gdb/cstub.c
@@ -336,7 +336,6 @@ grub_gdb_trap (int trap_no)
 	/* sAA..AA: Step one instruction from AA..AA(optional).  */
 	case 's':
 	  stepping = 1;
-	  /* FALLTHROUGH */

 	/* cAA..AA: Continue at address AA..AA(optional).  */
 	case 'c':
--- a/grub-core/genmod.sh.in
+++ b/grub-core/genmod.sh.in
@@ -94,6 +94,6 @@ else
 	rm -f $tmpfile.bin
 fi
 if test x@platform@ != xemu; then
-    ./build-grub-module-verifier@BUILD_EXEEXT@ $tmpfile @target_cpu@ @platform@
+    ./build-grub-module-verifier@BUILD_EXEEXT@ $tmpfile @target_cpu@
 fi
 mv $tmpfile $outfile
--- a/grub-core/gnulib-fix-gcc7-fallthrough.diff
+++ b/grub-core/gnulib-fix-gcc7-fallthrough.diff
@@ -1,14 +0,0 @@
-diff --git grub-core/gnulib/regexec.c grub-core/gnulib/regexec.c
-index f632cd4..a7776f0 100644
--- grub-core/gnulib/regexec.c
-+++ grub-core/gnulib/regexec.c
-@@ -4099,6 +4099,9 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
-     case OP_UTF8_PERIOD:
-       if (ch >= ASCII_CHARS)
-         return false;
-+#if defined __GNUC__ && __GNUC__ >= 7
-+      __attribute__ ((fallthrough));
-+#endif
-       /* FALLTHROUGH */
- #endif
-     case OP_PERIOD:
--- a/grub-core/gnulib/regexec.c
+++ b/grub-core/gnulib/regexec.c
@@ -4099,9 +4099,6 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
    case OP_UTF8_PERIOD:
      if (ch >= ASCII_CHARS)
        return false;
-#if defined __GNUC__ && __GNUC__ >= 7
-      __attribute__ ((fallthrough));
-#endif
      /* FALLTHROUGH */
 #endif
    case OP_PERIOD:
--- a/grub-core/kern/arm/cache.c
+++ b/grub-core/kern/arm/cache.c
@@ -29,6 +29,8 @@ void grub_arm_clean_dcache_range_armv6 (grub_addr_t start, grub_addr_t end,
 					grub_addr_t dlinesz);
 void grub_arm_clean_dcache_range_armv7 (grub_addr_t start, grub_addr_t end,
 					grub_addr_t dlinesz);
+void grub_arm_clean_dcache_range_poc_armv7 (grub_addr_t start, grub_addr_t end,
+					    grub_addr_t dlinesz);
 void grub_arm_invalidate_icache_range_armv6 (grub_addr_t start, grub_addr_t end,
 					     grub_addr_t dlinesz);
 void grub_arm_invalidate_icache_range_armv7 (grub_addr_t start, grub_addr_t end,
@@ -252,6 +254,38 @@ grub_arch_sync_caches (void *address, grub_size_t len)
    }
 }

+void
+grub_arch_sync_dma_caches (volatile void *address, grub_size_t len)
+{
+  grub_addr_t start = (grub_addr_t) address;
+  grub_addr_t end = start + len;
+
+  if (type == ARCH_UNKNOWN)
+    probe_caches ();
+  start = ALIGN_DOWN (start, grub_arch_cache_max_linesz);
+  end = ALIGN_UP (end, grub_arch_cache_max_linesz);
+  switch (type)
+    {
+    case ARCH_ARMV6:
+      grub_arm_clean_dcache_range_armv6 (start, end, grub_arch_cache_dlinesz);
+      grub_arm_invalidate_icache_range_armv6 (start, end,
+					      grub_arch_cache_ilinesz);
+      break;
+    case ARCH_ARMV5_WRITE_THROUGH:
+    case ARCH_ARMV6_UNIFIED:
+      grub_arm_clean_dcache_range_armv6 (start, end, grub_arch_cache_dlinesz);
+      break;
+    case ARCH_ARMV7:
+      grub_arm_clean_dcache_range_poc_armv7 (start, end, grub_arch_cache_dlinesz);
+      grub_arm_invalidate_icache_range_armv7 (start, end,
+					      grub_arch_cache_ilinesz);
+      break;
+      /* Pacify GCC.  */
+    case ARCH_UNKNOWN:
+      break;
+    }
+}
+
 void
 grub_arm_disable_caches_mmu (void)
 {
--- a/grub-core/kern/arm/cache_armv7.S
+++ b/grub-core/kern/arm/cache_armv7.S
@@ -33,6 +33,18 @@
 # define ISB	isb
 #define ARMV7 1

+FUNCTION(grub_arm_clean_dcache_range_poc_armv7)
+	DSB
+	@ Clean data cache for range to point-of-coherence
+1:	cmp	r0, r1
+	bge	2f
+	mcr	p15, 0, r0, c7, c14, 1	@ DCCMVAC
+	add	r0, r0, r2		@ Next line
+	b	1b
+2:	DSB
+	bx	lr
+
+
 	@ r0  - CLIDR
 	@ r1  - LoC
 	@ r2  - current level
@@ -123,4 +135,4 @@ clean_invalidate_dcache:
 	pop	{r4-r12, lr}
 	bx	lr

-#include "cache.S"
+#include "cache.S"
--- a/grub-core/kern/arm/coreboot/cbtable.c
+++ b/grub-core/kern/arm/coreboot/cbtable.c
@@ -0,0 +1,74 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2007,2008,2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/coreboot/lbio.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/misc.h>
+#include <grub/dl.h>
+#include <grub/arm/startup.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+#pragma GCC diagnostic ignored "-Wcast-align"
+
+/* Helper for grub_linuxbios_table_iterate.  */
+static int
+check_signature (grub_linuxbios_table_header_t tbl_header)
+{
+  if (! grub_memcmp (tbl_header->signature, "LBIO", 4))
+    return 1;
+
+  return 0;
+}
+
+grub_err_t
+grub_linuxbios_table_iterate (int (*hook) (grub_linuxbios_table_item_t,
+					   void *),
+			      void *hook_data)
+{
+  grub_linuxbios_table_header_t table_header
+    = (grub_linuxbios_table_header_t) grub_arm_saved_registers.r[0];
+  grub_linuxbios_table_item_t table_item;
+
+  if (!check_signature (table_header))
+    return 0;
+
+ signature_found:
+  table_item =
+    (grub_linuxbios_table_item_t) ((char *) table_header +
+				   table_header->header_size);
+  for (; table_item < (grub_linuxbios_table_item_t) ((char *) table_header
+						     + table_header->header_size
+						     + table_header->table_size);
+       table_item = (grub_linuxbios_table_item_t) ((char *) table_item + table_item->size))
+    {
+      if (table_item->tag == GRUB_LINUXBIOS_MEMBER_LINK
+         && check_signature ((grub_linuxbios_table_header_t) (grub_addr_t)
+                             *(grub_uint64_t *) (table_item + 1)))
+       {
+         table_header = (grub_linuxbios_table_header_t) (grub_addr_t)
+           *(grub_uint64_t *) (table_item + 1);
+         goto signature_found;   
+       }
+      if (hook (table_item, hook_data))
+       return 1;
+    }
+
+  return 0;
+}
--- a/grub-core/kern/arm/coreboot/coreboot.S
+++ b/grub-core/kern/arm/coreboot/coreboot.S
@@ -0,0 +1,44 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2016  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+
+	.file	"coreboot.S"
+	.text
+	.syntax	unified
+#if !defined (__thumb2__)
+	.arch	armv7a
+	.arm
+#else
+	.arch	armv7
+	.thumb
+#endif
+
+FUNCTION(grub_arm_pfr1)
+	mrc p15, 0, r0, c0, c1, 1
+	bx	lr
+
+FUNCTION(grub_armv7_get_timer_value)
+	isb
+	mrrc p15, 1, r0, r1, c14
+	bx	lr
+
+FUNCTION(grub_armv7_get_timer_frequency)
+	mrc p15, 0, r0, c14, c0, 0
+	bx	lr
+
--- a/grub-core/kern/arm/coreboot/dma.c
+++ b/grub-core/kern/arm/coreboot/dma.c
@@ -0,0 +1,59 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2007,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/dma.h>
+#include <grub/mm.h>
+#include <grub/misc.h>
+#include <grub/mm_private.h>
+#include <grub/cache.h>
+
+struct grub_pci_dma_chunk *
+grub_memalign_dma32 (grub_size_t align, grub_size_t size)
+{
+  void *ret;
+  if (align < 64)
+    align = 64;
+  size = ALIGN_UP (size, align);
+  ret = grub_memalign (align, size);
+  if (!ret)
+    return 0;
+  grub_arch_sync_dma_caches (ret, size);
+  return ret;
+}
+
+void
+grub_dma_free (struct grub_pci_dma_chunk *ch)
+{
+  grub_size_t size = (((struct grub_mm_header *) ch) - 1)->size * GRUB_MM_ALIGN;
+  grub_arch_sync_dma_caches (ch, size);
+  grub_free (ch);
+}
+
+volatile void *
+grub_dma_get_virt (struct grub_pci_dma_chunk *ch)
+{
+  return (void *) ch;
+}
+
+grub_uint32_t
+grub_dma_get_phys (struct grub_pci_dma_chunk *ch)
+{
+  return (grub_uint32_t) (grub_addr_t) ch;
+}
+
--- a/grub-core/kern/arm/coreboot/init.c
+++ b/grub-core/kern/arm/coreboot/init.c
@@ -0,0 +1,169 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/kernel.h>
+#include <grub/mm.h>
+#include <grub/memory.h>
+#include <grub/machine/console.h>
+#include <grub/machine/kernel.h>
+#include <grub/offsets.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/loader.h>
+#include <grub/env.h>
+#include <grub/cache.h>
+#include <grub/time.h>
+#include <grub/symbol.h>
+#include <grub/video.h>
+#include <grub/coreboot/lbio.h>
+#include <grub/fdtbus.h>
+
+extern grub_uint8_t _start[];
+extern grub_uint8_t _end[];
+extern grub_uint8_t _edata[];
+grub_addr_t start_of_ram = ~(grub_addr_t)0;
+
+void  __attribute__ ((noreturn))
+grub_exit (void)
+{
+  /* We can't use grub_fatal() in this function.  This would create an infinite
+     loop, since grub_fatal() calls grub_abort() which in turn calls grub_exit().  */
+  while (1)
+    grub_cpu_idle ();
+}
+
+static grub_uint64_t modend;
+static int have_memory = 0;
+
+/* Helper for grub_machine_init.  */
+static int
+heap_init (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+	   void *data __attribute__ ((unused)))
+{
+  grub_uint64_t begin = addr, end = addr + size;
+
+#if GRUB_CPU_SIZEOF_VOID_P == 4
+  /* Restrict ourselves to 32-bit memory space.  */
+  if (begin > GRUB_ULONG_MAX)
+    return 0;
+  if (end > GRUB_ULONG_MAX)
+    end = GRUB_ULONG_MAX;
+#endif
+
+  if (start_of_ram > begin)
+    start_of_ram = begin;
+
+  if (type != GRUB_MEMORY_AVAILABLE)
+    return 0;
+
+  if (modend && begin < modend)
+    {
+      if (begin < (grub_addr_t)_start)
+	{
+	  grub_mm_init_region ((void *) (grub_addr_t) begin, (grub_size_t) ((grub_addr_t)_start - begin));
+	  have_memory = 1;
+	}
+      begin = modend;
+    }
+
+  /* Avoid DMA problems.  */
+  if (end >= 0xfe000000)
+    end = 0xfe000000;
+
+  if (end <= begin)
+    return 0;
+
+  grub_mm_init_region ((void *) (grub_addr_t) begin, (grub_size_t) (end - begin));
+
+  have_memory = 1;
+
+  return 0;
+}
+
+static const void *dtb;
+static grub_size_t dtb_size;
+
+static int
+iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data __attribute__ ((unused)))
+{
+  if (table_item->tag != GRUB_LINUXBIOS_MEMBER_DTB)
+    return 0;
+
+  if (grub_fdt_check_header (table_item + 1, table_item->size) >= 0)
+    {
+      dtb = table_item + 1;
+      dtb_size = table_item->size;
+    }
+  else
+    grub_printf ("Invalid DTB supplied by coreboot\n");
+  return 0;
+}
+
+
+void
+grub_machine_init (void)
+{
+  struct grub_module_header *header;
+
+  modend = grub_modules_get_end ();
+
+  grub_video_coreboot_fb_early_init ();
+
+  grub_machine_mmap_iterate (heap_init, NULL);
+  if (!have_memory)
+    grub_fatal ("No memory found");
+
+  grub_video_coreboot_fb_late_init ();
+
+  grub_font_init ();
+  grub_gfxterm_init ();
+
+  FOR_MODULES (header)
+    if (header->type == OBJ_TYPE_DTB)
+      {
+	char *dtb_orig_addr, *dtb_copy;
+	dtb_orig_addr = (char *) header + sizeof (struct grub_module_header);
+
+	dtb_size = header->size - sizeof (struct grub_module_header);
+	dtb = dtb_copy = grub_malloc (dtb_size);
+	grub_memmove (dtb_copy, dtb_orig_addr, dtb_size);
+	break;
+      }
+  if (!dtb)
+    grub_linuxbios_table_iterate (iterate_linuxbios_table, 0);
+  if (!dtb)
+    grub_fatal ("No DTB found");
+  grub_fdtbus_init (dtb, dtb_size);
+
+  grub_machine_timer_init ();
+  grub_cros_init ();
+  grub_pl050_init ();
+}
+
+void
+grub_machine_get_bootlocation (char **device __attribute__ ((unused)),
+			       char **path __attribute__ ((unused)))
+{
+}
+
+void
+grub_machine_fini (int flags __attribute__ ((unused)))
+{
+}
--- a/grub-core/kern/arm/coreboot/timer.c
+++ b/grub-core/kern/arm/coreboot/timer.c
@@ -0,0 +1,101 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2016  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/mm.h>
+#include <grub/machine/kernel.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/time.h>
+#include <grub/fdtbus.h>
+#include <grub/misc.h>
+
+grub_uint64_t
+grub_armv7_get_timer_value(void);
+
+grub_uint32_t
+grub_armv7_get_timer_frequency(void);
+
+grub_uint32_t
+grub_arm_pfr1(void);
+
+static int have_timer = 0;
+static volatile grub_uint32_t *sp804_regs;
+
+static grub_uint64_t
+sp804_get_time_ms (void)
+{
+  static grub_uint32_t high, last_low;
+  grub_uint32_t low = ~sp804_regs[1];
+  if (last_low > low)
+    high++;
+  last_low = low;
+  return grub_divmod64 ((((grub_uint64_t) high) << 32) | low,
+			1000, 0);
+}
+
+static grub_err_t
+sp804_attach(const struct grub_fdtbus_dev *dev)
+{
+  if (have_timer)
+    return GRUB_ERR_NONE;
+  sp804_regs = grub_fdtbus_map_reg (dev, 0, 0);
+  if (!grub_fdtbus_is_mapping_valid (sp804_regs))
+    return grub_error (GRUB_ERR_IO, "could not map sp804: %p", sp804_regs);
+  grub_install_get_time_ms (sp804_get_time_ms);
+  have_timer = 1;
+  return GRUB_ERR_NONE;
+}
+
+struct grub_fdtbus_driver sp804 =
+{
+  .compatible = "arm,sp804",
+  .attach = sp804_attach
+};
+
+static grub_uint32_t timer_frequency_in_khz;
+
+static grub_uint64_t
+generic_get_time_ms (void)
+{
+  return grub_divmod64 (grub_armv7_get_timer_value(), timer_frequency_in_khz, 0);
+}
+
+static int
+try_generic_timer (void)
+{
+  if (((grub_arm_pfr1 () >> 16) & 0xf) != 1)
+    return 0;
+  grub_printf ("freq = %x\n", grub_armv7_get_timer_frequency());
+  timer_frequency_in_khz = 0x016e3600 / 1000; //grub_armv7_get_timer_frequency() / 1000;
+  if (timer_frequency_in_khz == 0)
+    return 0;
+  grub_install_get_time_ms (generic_get_time_ms);
+  have_timer = 1;
+  return 1;
+}
+
+void
+grub_machine_timer_init (void)
+{
+  grub_fdtbus_register (&sp804);
+
+  if (!have_timer)
+    try_generic_timer ();
+  if (!have_timer)
+    grub_fatal ("No timer found");
+}
--- a/grub-core/kern/arm/dl.c
+++ b/grub-core/kern/arm/dl.c
@@ -173,8 +173,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	    sym_addr += grub_arm_thm_call_get_offset ((grub_uint16_t *) target);

 	    grub_dprintf ("dl", "    sym_addr = 0x%08x\n", sym_addr);
-	    if (ELF_ST_TYPE (sym->st_info) != STT_FUNC)
-	      sym_addr |= 1;

 	    offset = sym_addr - (grub_uint32_t) target;

@@ -229,16 +227,13 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,

 	    sym_addr += grub_arm_thm_jump19_get_offset ((grub_uint16_t *) target);

-	    if (ELF_ST_TYPE (sym->st_info) != STT_FUNC)
-	      sym_addr |= 1;
-
 	    offset = sym_addr - (grub_uint32_t) target;

 	    if (!grub_arm_thm_jump19_check_offset (offset)
 		|| !(sym_addr & 1))
 	      {
-		struct trampoline_thumb *tp = mod->trampptr;
-		mod->trampptr = tp + 1;
+		struct trampoline_thumb *tp = mod->gotptr;
+		mod->gotptr = tp + 1;
 		grub_memcpy (tp->template, thumb_template, sizeof (tp->template));
 		tp->neg_addr = -sym_addr - 4;
 		offset = ((grub_uint8_t *) tp - (grub_uint8_t *) target - 4) | 1;
--- a/grub-core/kern/arm/uboot/startup.S
+++ b/grub-core/kern/arm/uboot/startup.S
@@ -24,6 +24,7 @@
 * GRUB is called from U-Boot as a Linux Kernel type image, which
 * means among other things that it always enters in ARM state.
 *
+ * coreboot starts in ARM mode as well.
 *
 * Overview of GRUB image layout:
 *
@@ -86,7 +87,7 @@ FUNCTION(codestart)
 	@ Stack pointer used as start address for signature probing
 	mov	r12, sp
 	adr	sp, entry_state
-	push	{r1-r12,lr}	@ store U-Boot context (sp in r12)
+	push	{r0-r12,lr}	@ store U-Boot context (sp in r12)

 	adr     r1, _start
 	ldr	r0, bss_start_ptr		@ src
@@ -127,6 +128,8 @@ reloc_done:

 	str     r1, EXT_C(grub_modbase)

+	/* Coreboot already places modules at right place.  */
+#ifndef GRUB_MACHINE_COREBOOT
 	add	r1, r1, r2
 	add	r0, r0, r2
 	sub     r1, r1, #4
@@ -136,6 +139,7 @@ reloc_done:
 	str	r3, [r1], #-4			@ *dst-- = r3 
 	subs	r2, #4				@ remaining -= 4
 	bne	1b				@ while remaining != 0
+#endif

 	@ Since we _are_ the C run-time, we need to manually zero the BSS
 	@ region before continuing
@@ -153,69 +157,21 @@ reloc_done:
 	
 	b	EXT_C(grub_main)

-	/*
-	 * uboot_syscall():
-	 *   This function is effectively a veneer, so it cannot
-	 *   modify the stack or corrupt any registers other than
-	 *   r12 (ip). Furthermore it needs to restore r8 for
-	 *   U-Boot (Global Data Pointer) and preserve it for Grub.
-	 */
-FUNCTION(grub_uboot_syscall)
-	str     r8, transition_space
-	str     lr, transition_space + 4
-	str     r9, transition_space + 8
-
-	ldr	r8, gd_backup
-	ldr	r9, gd_backup + 4
-
-	bl	do_syscall
-
-	ldr     r8, transition_space
-	ldr     lr, transition_space + 4
-	ldr     r9, transition_space + 8
-
-	bx	lr
-do_syscall:
-
-	ldr	ip, grub_uboot_syscall_ptr
-	bx	ip
-	
-FUNCTION(grub_uboot_return)
-	adr	sp, entry_state_end
-	pop	{r4-r12, lr}
-	mov	sp, r12
-	bx	lr
-
-	
 	.align	3
-@ U-boot context stack space
-entry_state_end:
-VARIABLE(grub_uboot_machine_type)
+@ U-boot/coreboot context stack space
+VARIABLE(grub_arm_saved_registers)
+	.long	0	@ r0
 	.long	0	@ r1
-VARIABLE(grub_uboot_boot_data)
 	.long	0	@ r2
 	.long	0	@ r3
 	.long	0	@ r4
 	.long	0	@ r5
 	.long	0	@ r6
-	.long	0	@ r7
-gd_backup:	
-	.long	0	@ r8 - U-Boot global data pointer up to 2013-09-21
-	.long	0	@ r9 - U-Boot global data pointer 2013-09-21 onwards
+	.long	0	@ r7	
+	.long	0	@ r8
+	.long	0	@ r9
 	.long	0	@ r10
 	.long	0	@ r11
-VARIABLE(grub_uboot_search_hint)@ U-Boot stack pointer - 
-	.long	0	@ also API signature address hint.
+	.long	0	@ sp
 	.long	0	@ lr
-entry_state:		@ backup for U-Boot context
-
-@ GRUB context stack space
-transition_space:	
-	.long	0	@ r8
-	.long	0	@ lr
-	.long	0	@ r9
-
-VARIABLE(grub_uboot_syscall_ptr)
-	.long	0	@
-
-	END
+entry_state:
--- a/grub-core/kern/arm/uboot/init.c
+++ b/grub-core/kern/arm/uboot/init.c
@@ -0,0 +1,70 @@
+/* init.c - generic U-Boot initialization and finalization */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2016  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/uboot/uboot.h>
+#include <grub/arm/startup.h>
+#include <grub/uboot/api_public.h>
+
+extern int (*grub_uboot_syscall_ptr) (int, int *, ...);
+
+grub_uint32_t
+grub_uboot_get_machine_type (void)
+{
+  return grub_arm_saved_registers.r[1];
+}
+
+const void *
+grub_uboot_get_boot_data (void)
+{
+  return (const void *) grub_arm_saved_registers.r[2];
+}
+
+int
+grub_uboot_api_init (void)
+{
+  struct api_signature *start, *end;
+  struct api_signature *p;
+  grub_addr_t grub_uboot_search_hint = grub_arm_saved_registers.sp;
+  if (grub_uboot_search_hint)
+    {
+      /* Extended search range to work around Trim Slice U-Boot issue */
+      start = (struct api_signature *) ((grub_uboot_search_hint & ~0x000fffff)
+					- 0x00500000);
+      end =
+	(struct api_signature *) ((grub_addr_t) start + UBOOT_API_SEARCH_LEN -
+				  API_SIG_MAGLEN + 0x00500000);
+    }
+  else
+    {
+      start = 0;
+      end = (struct api_signature *) (256 * 1024 * 1024);
+    }
+
+  /* Structure alignment is (at least) 8 bytes */
+  for (p = start; p < end; p = (void *) ((grub_addr_t) p + 8))
+    {
+      if (grub_memcmp (&(p->magic), API_SIG_MAGIC, API_SIG_MAGLEN) == 0)
+	{
+	  grub_uboot_syscall_ptr = p->syscall;
+	  return p->version;
+	}
+    }
+
+  return 0;
+}
--- a/grub-core/kern/arm/uboot/uboot.S
+++ b/grub-core/kern/arm/uboot/uboot.S
@@ -0,0 +1,73 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/offsets.h>
+#include <grub/symbol.h>
+#include <grub/machine/kernel.h>
+
+	/*
+	 * uboot_syscall():
+	 *   This function is effectively a veneer, so it cannot
+	 *   modify the stack or corrupt any registers other than
+	 *   r12 (ip). Furthermore it needs to restore r8 for
+	 *   U-Boot (Global Data Pointer) and preserve it for Grub.
+	 */
+FUNCTION(grub_uboot_syscall)
+	str     r8, transition_space
+	str     lr, transition_space + 4
+	str     r9, transition_space + 8
+
+	ldr	ip, saved_registers_ptr
+	ldr	r8, [ip, #4 * 8]
+	ldr	r9, [ip, #4 * 9]
+
+	bl	do_syscall
+
+	ldr     r8, transition_space
+	ldr     lr, transition_space + 4
+	ldr     r9, transition_space + 8
+
+	bx	lr
+do_syscall:
+
+	ldr	ip, grub_uboot_syscall_ptr
+	bx	ip
+	
+FUNCTION(grub_uboot_return)
+	ldr	ip, saved_registers_ptr
+	ldr	sp, [ip, #4 * 4]
+	pop	{r4-r12, lr}
+	mov	sp, r12
+	bx	lr
+
+	
+	.align	3
+
+@ GRUB context stack space
+transition_space:	
+	.long	0	@ r8
+	.long	0	@ lr
+	.long	0	@ r9
+
+saved_registers_ptr:
+	.long EXT_C(grub_arm_saved_registers)
+
+VARIABLE(grub_uboot_syscall_ptr)
+	.long	0	@
+
+	END
--- a/grub-core/kern/arm64/dl.c
+++ b/grub-core/kern/arm64/dl.c
@@ -25,9 +25,14 @@
 #include <grub/i18n.h>
 #include <grub/cpu/reloc.h>

+struct trampoline
+{
 #define LDR 0x58000050
 #define BR 0xd61f0200
-
+  grub_uint32_t ldr; /* ldr	x16, 8 */
+  grub_uint32_t br; /* br x16 */
+  grub_uint64_t addr;
+};

 /*
 * Check if EHDR is a valid ELF header.
@@ -48,6 +53,42 @@ grub_arch_dl_check_header (void *ehdr)

 #pragma GCC diagnostic ignored "-Wcast-align"

+grub_err_t
+grub_arch_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp,
+				 grub_size_t *got)
+{
+  const Elf_Ehdr *e = ehdr;
+  const Elf_Shdr *s;
+  unsigned i;
+
+  *tramp = 0;
+  *got = 0;
+
+  for (i = 0, s = (const Elf_Shdr *) ((grub_addr_t) e + e->e_shoff);
+       i < e->e_shnum;
+       i++, s = (const Elf_Shdr *) ((grub_addr_t) s + e->e_shentsize))
+    if (s->sh_type == SHT_REL || s->sh_type == SHT_RELA)
+      {
+	const Elf_Rel *rel, *max;
+
+	for (rel = (const Elf_Rel *) ((grub_addr_t) e + s->sh_offset),
+	       max = rel + s->sh_size / s->sh_entsize;
+	     rel < max;
+	     rel = (const Elf_Rel *) ((grub_addr_t) rel + s->sh_entsize))
+	  switch (ELF_R_TYPE (rel->r_info))
+	    {
+	    case R_AARCH64_CALL26:
+	    case R_AARCH64_JUMP26:
+	      {
+		*tramp += sizeof (struct trampoline);
+		break;
+	      }
+	    }
+      }
+
+  return GRUB_ERR_NONE;
+}
+
 /*
 * Unified function for both REL and RELA 
 */
@@ -56,7 +97,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 			       Elf_Shdr *s, grub_dl_segment_t seg)
 {
  Elf_Rel *rel, *max;
-  unsigned unmatched_adr_got_page = 0;

  for (rel = (Elf_Rel *) ((char *) ehdr + s->sh_offset),
 	 max = (Elf_Rel *) ((char *) rel + s->sh_size);
@@ -105,7 +145,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,

 	    if (!grub_arm_64_check_xxxx26_offset (offset))
 	      {
-		struct grub_arm64_trampoline *tp = mod->trampptr;
+		struct trampoline *tp = mod->trampptr;
 		mod->trampptr = tp + 1;
 		tp->ldr = LDR;
 		tp->br = BR;
@@ -120,56 +160,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	    grub_arm64_set_xxxx26_offset (place, offset);
 	  }
 	  break;
-	case R_AARCH64_PREL32:
-	  {
-	    grub_int64_t value;
-	    Elf64_Word *addr32 = place;
-	    value = ((grub_int32_t) *addr32) + sym_addr -
-	      (Elf64_Xword) (grub_addr_t) seg->addr - rel->r_offset;
-	    if (value != (grub_int32_t) value)
-	      return grub_error (GRUB_ERR_BAD_MODULE, "relocation out of range");
-	    grub_dprintf("dl", "  reloc_prel32 %p => 0x%016llx\n",
-			  place, (unsigned long long) sym_addr);
-	    *addr32 = value;
-	  }
-	  break;
-	case R_AARCH64_ADR_GOT_PAGE:
-	  {
-	    grub_uint64_t *gp = mod->gotptr;
-	    Elf_Rela *rel2;
-	    grub_int64_t gpoffset = ((grub_uint64_t) gp & ~0xfffULL) - (((grub_uint64_t) place) & ~0xfffULL);
-	    *gp = (grub_uint64_t) sym_addr;
-	    mod->gotptr = gp + 1;
-	    unmatched_adr_got_page++;
-	    grub_dprintf("dl", "  reloc_got %p => 0x%016llx (0x%016llx)\n",
-			 place, (unsigned long long) sym_addr, (unsigned long long) gp);
-	    if (!grub_arm64_check_hi21_signed (gpoffset))
-		return grub_error (GRUB_ERR_BAD_MODULE,
-				   "HI21 out of range");
-	    grub_arm64_set_hi21(place, gpoffset);
-	    for (rel2 = (Elf_Rela *) ((char *) rel + s->sh_entsize);
-		 rel2 < (Elf_Rela *) max;
-		 rel2 = (Elf_Rela *) ((char *) rel2 + s->sh_entsize))
-	      if (ELF_R_SYM (rel2->r_info)
-		  == ELF_R_SYM (rel->r_info)
-		  && ((Elf_Rela *) rel)->r_addend == rel2->r_addend
-		  && ELF_R_TYPE (rel2->r_info) == R_AARCH64_LD64_GOT_LO12_NC)
-		{
-		  grub_arm64_set_abs_lo12_ldst64 ((void *) ((grub_addr_t) seg->addr + rel2->r_offset),
-						  (grub_uint64_t)gp);
-		  break;
-		}
-	    if (rel2 >= (Elf_Rela *) max)
-	      return grub_error (GRUB_ERR_BAD_MODULE,
-				 "ADR_GOT_PAGE without matching LD64_GOT_LO12_NC");
-	  }
-	  break;
-	case R_AARCH64_LD64_GOT_LO12_NC:
-	  if (unmatched_adr_got_page == 0)
-	    return grub_error (GRUB_ERR_BAD_MODULE,
-			       "LD64_GOT_LO12_NC without matching ADR_GOT_PAGE");
-	  unmatched_adr_got_page--;
-	  break;
 	case R_AARCH64_ADR_PREL_PG_HI21:
 	  {
 	    grub_int64_t offset = (sym_addr & ~0xfffULL) - (((grub_uint64_t) place) & ~0xfffULL);
--- a/grub-core/kern/arm64/dl_helper.c
+++ b/grub-core/kern/arm64/dl_helper.c
@@ -93,42 +93,3 @@ grub_arm64_set_abs_lo12_ldst64 (grub_uint32_t *place, grub_int64_t target)
  *place &= insmask;
  *place |= grub_cpu_to_le32 (target << 7) & ~insmask;
 }
-
-#pragma GCC diagnostic ignored "-Wcast-align"
-
-grub_err_t
-grub_arm64_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp,
-				  grub_size_t *got)
-{
-  const Elf64_Ehdr *e = ehdr;
-  const Elf64_Shdr *s;
-  unsigned i;
-
-  *tramp = 0;
-  *got = 0;
-
-  for (i = 0, s = (Elf64_Shdr *) ((char *) e + grub_le_to_cpu64 (e->e_shoff));
-       i < grub_le_to_cpu16 (e->e_shnum);
-       i++, s = (Elf64_Shdr *) ((char *) s + grub_le_to_cpu16 (e->e_shentsize)))
-    if (s->sh_type == grub_cpu_to_le32_compile_time (SHT_REL)
-	|| s->sh_type == grub_cpu_to_le32_compile_time (SHT_RELA))
-      {
-	const Elf64_Rela *rel, *max;
-
-	for (rel = (Elf64_Rela *) ((char *) e + grub_le_to_cpu64 (s->sh_offset)),
-	       max = (const Elf64_Rela *) ((char *) rel + grub_le_to_cpu64 (s->sh_size));
-	     rel < max; rel = (const Elf64_Rela *) ((char *) rel + grub_le_to_cpu64 (s->sh_entsize)))
-	  switch (ELF64_R_TYPE (rel->r_info))
-	    {
-	    case R_AARCH64_CALL26:
-	    case R_AARCH64_JUMP26:
-	      *tramp += sizeof (struct grub_arm64_trampoline);
-	      break;
-	    case R_AARCH64_ADR_GOT_PAGE:
-	      *got += 8;
-	      break;
-	    }
-      }
-
-  return GRUB_ERR_NONE;
-}
--- a/grub-core/kern/i386/coreboot/mmap.c
+++ b/grub-core/kern/i386/coreboot/mmap.c
@@ -16,8 +16,8 @@
 *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 */

-#include <grub/machine/memory.h>
-#include <grub/machine/lbio.h>
+#include <grub/memory.h>
+#include <grub/coreboot/lbio.h>
 #include <grub/types.h>
 #include <grub/err.h>
 #include <grub/misc.h>
@@ -49,6 +49,7 @@ iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
    {
      grub_uint64_t start = mem_region->addr;
      grub_uint64_t end = mem_region->addr + mem_region->size;
+#ifdef __i386__
      /* Mark region 0xa0000 - 0x100000 as reserved.  */
      if (start < 0x100000 && end >= 0xa0000
 	  && mem_region->type == GRUB_MACHINE_MEMORY_AVAILABLE)
@@ -75,6 +76,7 @@ iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
 	  if (end <= start)
 	    continue;
 	}
+#endif
      if (ctx->hook (start, end - start,
 		     /* Multiboot mmaps match with the coreboot mmap
 		        definition.  Therefore, we can just pass type
--- a/grub-core/kern/efi/efi.c
+++ b/grub-core/kern/efi/efi.c
@@ -366,9 +366,6 @@ grub_efi_get_filename (grub_efi_device_path_t *dp0)
 	  len = ((GRUB_EFI_DEVICE_PATH_LENGTH (dp) - 4)
 		 / sizeof (grub_efi_char16_t));
 	  fp = (grub_efi_file_path_device_path_t *) dp;
-	  /* According to EFI spec Path Name is NULL terminated */
-	  while (len > 0 && fp->path_name[len - 1] == 0)
-	    len--;

 	  p = (char *) grub_utf16_to_utf8 ((unsigned char *) p, fp->path_name, len);
 	}
--- a/grub-core/kern/efi/fdt.c
+++ b/grub-core/kern/efi/fdt.c
@@ -1,43 +0,0 @@
-/* fdt.c - EFI Flattened Device Tree interaction */
-/*
- *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 2006,2007  Free Software Foundation, Inc.
- *
- *  GRUB is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  GRUB is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <grub/efi/efi.h>
-#include <grub/mm.h>
-
-void *
-grub_efi_get_firmware_fdt (void)
-{
-  grub_efi_configuration_table_t *tables;
-  grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
-  void *firmware_fdt = NULL;
-  unsigned int i;
-
-  /* Look for FDT in UEFI config tables. */
-  tables = grub_efi_system_table->configuration_table;
-
-  for (i = 0; i < grub_efi_system_table->num_table_entries; i++)
-    if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0)
-      {
-	firmware_fdt = tables[i].vendor_table;
-	grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt);
-	break;
-      }
-
-  return firmware_fdt;
-}
--- a/grub-core/kern/efi/init.c
+++ b/grub-core/kern/efi/init.c
@@ -59,13 +59,10 @@ grub_machine_get_bootlocation (char **device, char **path)
  if (!image)
    return;
  *device = grub_efidisk_get_device_name (image->device_handle);
-  if (!*device && grub_efi_net_config)
-    {
-      grub_efi_net_config (image->device_handle, device, path);
-      return;
-    }
-
  *path = grub_efi_get_filename (image->file_path);
+  if (!*device && grub_efi_net_config)
+    grub_efi_net_config (image->device_handle, device, path);
+
  if (*path)
    {
      /* Get the directory.  */
--- a/grub-core/kern/emu/main.c
+++ b/grub-core/kern/emu/main.c
@@ -63,7 +63,6 @@ void
 grub_reboot (void)
 {
  longjmp (main_env, 1);
-  grub_fatal ("longjmp failed");
 }

 void
--- a/grub-core/kern/emu/misc.c
+++ b/grub-core/kern/emu/misc.c
@@ -127,7 +127,6 @@ xasprintf (const char *fmt, ...)
  
  va_start (ap, fmt);
  result = grub_xvasprintf (fmt, ap);
-  va_end (ap);
  if (!result)
    grub_util_error ("%s", _("out of memory"));
  
--- a/grub-core/kern/i386/coreboot/cbtable.c
+++ b/grub-core/kern/i386/coreboot/cbtable.c
@@ -17,7 +17,7 @@
 */

 #include <grub/i386/coreboot/memory.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
 #include <grub/types.h>
 #include <grub/err.h>
 #include <grub/misc.h>
--- a/grub-core/kern/ia64/dl.c
+++ b/grub-core/kern/ia64/dl.c
@@ -104,9 +104,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	case R_IA64_PCREL64LSB:
 	  *(grub_uint64_t *) addr += value - addr;
 	  break;
-	case R_IA64_GPREL64I:
-	  grub_ia64_set_immu64 (addr, value - (grub_addr_t) mod->base);
-	  break;
 	case R_IA64_GPREL22:
 	  if ((value - (grub_addr_t) mod->base) & ~MASK20)
 	    return grub_error (GRUB_ERR_BAD_MODULE,
@@ -119,7 +116,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	case R_IA64_LTOFF22:
 	  if (ELF_ST_TYPE (sym->st_info) == STT_FUNC)
 	    value = *(grub_uint64_t *) sym->st_value + rel->r_addend;
-	  /* Fallthrough.  */
 	case R_IA64_LTOFF_FPTR22:
 	  {
 	    grub_uint64_t *gpptr = mod->gotptr;
--- a/grub-core/kern/ia64/dl_helper.c
+++ b/grub-core/kern/ia64/dl_helper.c
@@ -30,40 +30,6 @@
 #define MASK20 ((1 << 20) - 1)
 #define MASK3 (~(grub_addr_t) 3)

-void
-grub_ia64_set_immu64 (grub_addr_t addr, grub_uint64_t val)
-{
-  /* Copied from binutils.  */
-  grub_uint64_t *ptr = ((grub_uint64_t *) (addr & MASK3));
-  grub_uint64_t t0, t1;
-
-  t0 = grub_le_to_cpu64 (ptr[0]);
-  t1 = grub_le_to_cpu64 (ptr[1]);
-
-  /* tmpl/s: bits  0.. 5 in t0
-     slot 0: bits  5..45 in t0
-     slot 1: bits 46..63 in t0, bits 0..22 in t1
-     slot 2: bits 23..63 in t1 */
-
-  /* First, clear the bits that form the 64 bit constant.  */
-  t0 &= ~(0x3ffffLL << 46);
-  t1 &= ~(0x7fffffLL
-	  | ((  (0x07fLL << 13) | (0x1ffLL << 27)
-		| (0x01fLL << 22) | (0x001LL << 21)
-		| (0x001LL << 36)) << 23));
-
-  t0 |= ((val >> 22) & 0x03ffffLL) << 46;		/* 18 lsbs of imm41 */
-  t1 |= ((val >> 40) & 0x7fffffLL) <<  0;		/* 23 msbs of imm41 */
-  t1 |= (  (((val >>  0) & 0x07f) << 13)		/* imm7b */
-	   | (((val >>  7) & 0x1ff) << 27)		/* imm9d */
-	   | (((val >> 16) & 0x01f) << 22)		/* imm5c */
-	   | (((val >> 21) & 0x001) << 21)		/* ic */
-	   | (((val >> 63) & 0x001) << 36)) << 23;	/* i */
-
-  ptr[0] = t0;
-  ptr[1] = t1;
-}
-
 void
 grub_ia64_add_value_to_slot_20b (grub_addr_t addr, grub_uint32_t value)
 {
@@ -216,11 +182,11 @@ grub_ia64_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp,
       i++, s = (Elf64_Shdr *) ((char *) s + grub_le_to_cpu16 (e->e_shentsize)))
    if (s->sh_type == grub_cpu_to_le32_compile_time (SHT_RELA))
      {
-	const Elf64_Rela *rel, *max;
+	Elf64_Rela *rel, *max;

 	for (rel = (Elf64_Rela *) ((char *) e + grub_le_to_cpu64 (s->sh_offset)),
-	       max = (const Elf64_Rela *) ((char *) rel + grub_le_to_cpu64 (s->sh_size));
-	     rel < max; rel = (const Elf64_Rela *) ((char *) rel + grub_le_to_cpu64 (s->sh_entsize)))
+	       max = rel + grub_le_to_cpu64 (s->sh_size) / grub_le_to_cpu64 (s->sh_entsize);
+	     rel < max; rel++)
 	  switch (ELF64_R_TYPE (grub_le_to_cpu64 (rel->r_info)))
 	    {
 	    case R_IA64_PCREL21B:
--- a/grub-core/kern/ieee1275/mmap.c
+++ b/grub-core/kern/ieee1275/mmap.c
@@ -25,7 +25,7 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
 {
  grub_ieee1275_phandle_t root;
  grub_ieee1275_phandle_t memory;
-  grub_uint32_t available[128];
+  grub_uint32_t available[32];
  grub_ssize_t available_size;
  grub_uint32_t address_cells = 1;
  grub_uint32_t size_cells = 1;
@@ -49,9 +49,6 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
 					  sizeof available, &available_size))
    return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
 		       "couldn't examine /memory/available property");
-  if (available_size < 0 || (grub_size_t) available_size > sizeof (available))
-    return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
-                       "/memory response buffer exceeded");

  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_BROKEN_ADDRESS_CELLS))
    {
--- a/grub-core/kern/mips/dl.c
+++ b/grub-core/kern/mips/dl.c
@@ -236,7 +236,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	      sym_value &= 0xffff0000;
 	      *(grub_uint16_t *) addr = 0;
 	    }
-	  /* Fallthrough.  */
 	case R_MIPS_CALL16:
 	  {
 	    grub_uint32_t *gpptr = mod->gotptr;
--- a/grub-core/kern/sparc64/dl.c
+++ b/grub-core/kern/sparc64/dl.c
@@ -159,7 +159,6 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
 	  if (value >> 32)
 	    return grub_error (GRUB_ERR_BAD_MODULE,
 			       "address out of 32 bits range");
-	  /* Fallthrough.  */
 	case R_SPARC_LM22:
 	  *addr = (*addr & 0xFFC00000) | ((value >> 10) & 0x3FFFFF);
 	  break;
--- a/grub-core/kern/uboot/init.c
+++ b/grub-core/kern/uboot/init.c
@@ -36,30 +36,14 @@
 extern char __bss_start[];
 extern char _end[];
 extern grub_size_t grub_total_module_size;
-extern int (*grub_uboot_syscall_ptr) (int, int *, ...);
 static unsigned long timer_start;

-extern grub_uint32_t grub_uboot_machine_type;
-extern grub_addr_t grub_uboot_boot_data;
-
 void
 grub_exit (void)
 {
  grub_uboot_return (0);
 }

-grub_uint32_t
-grub_uboot_get_machine_type (void)
-{
-  return grub_uboot_machine_type;
-}
-
-grub_addr_t
-grub_uboot_get_boot_data (void)
-{
-  return grub_uboot_boot_data;
-}
-
 static grub_uint64_t
 uboot_timer_ms (void)
 {
--- a/grub-core/kern/uboot/uboot.c
+++ b/grub-core/kern/uboot/uboot.c
@@ -39,48 +39,13 @@
 * returns:	0 if the call not found, 1 if serviced
 */

-extern int (*grub_uboot_syscall_ptr) (int, int *, ...);
 extern int grub_uboot_syscall (int, int *, ...);
-extern grub_addr_t grub_uboot_search_hint;

 static struct sys_info uboot_sys_info;
 static struct mem_region uboot_mem_info[5];
 static struct device_info * devices;
 static int num_devices;

-int
-grub_uboot_api_init (void)
-{
-  struct api_signature *start, *end;
-  struct api_signature *p;
-
-  if (grub_uboot_search_hint)
-    {
-      /* Extended search range to work around Trim Slice U-Boot issue */
-      start = (struct api_signature *) ((grub_uboot_search_hint & ~0x000fffff)
-					- 0x00500000);
-      end =
-	(struct api_signature *) ((grub_addr_t) start + UBOOT_API_SEARCH_LEN -
-				  API_SIG_MAGLEN + 0x00500000);
-    }
-  else
-    {
-      start = 0;
-      end = (struct api_signature *) (256 * 1024 * 1024);
-    }
-
-  /* Structure alignment is (at least) 8 bytes */
-  for (p = start; p < end; p = (void *) ((grub_addr_t) p + 8))
-    {
-      if (grub_memcmp (&(p->magic), API_SIG_MAGIC, API_SIG_MAGLEN) == 0)
-	{
-	  grub_uboot_syscall_ptr = p->syscall;
-	  return p->version;
-	}
-    }
-
-  return 0;
-}

 /*
 * All functions below are wrappers around the grub_uboot_syscall() function
--- a/grub-core/lib/fdt.c
+++ b/grub-core/lib/fdt.c
@@ -102,13 +102,13 @@ static grub_uint32_t *get_next_node (const void *fdt, char *node_name)
 static int get_mem_rsvmap_size (const void *fdt)
 {
  int size = 0;
-  grub_uint64_t *ptr = (void *) ((grub_addr_t) fdt
-                                 + grub_fdt_get_off_mem_rsvmap (fdt));
+  grub_unaligned_uint64_t *ptr = (void *) ((grub_addr_t) fdt
+					   + grub_fdt_get_off_mem_rsvmap (fdt));

  do
  {
    size += 2 * sizeof(*ptr);
-    if (!*ptr && !*(ptr + 1))
+    if (!ptr[0].val && !ptr[1].val)
      return size;
    ptr += 2;
  } while ((grub_addr_t) ptr <= (grub_addr_t) fdt + grub_fdt_get_totalsize (fdt)
@@ -229,7 +229,7 @@ static int rearrange_blocks (void *fdt, unsigned int clearance)
  return 0;
 }

-static grub_uint32_t *find_prop (void *fdt, unsigned int nodeoffset,
+static grub_uint32_t *find_prop (const void *fdt, unsigned int nodeoffset,
 				 const char *name)
 {
  grub_uint32_t *prop = (void *) ((grub_addr_t) fdt
@@ -268,9 +268,9 @@ static grub_uint32_t *find_prop (void *fdt, unsigned int nodeoffset,
   the size allocated for the FDT; if this function is called before the other
   functions in this file and returns success, the other functions are
   guaranteed not to access memory locations outside the allocated memory. */
-int grub_fdt_check_header_nosize (void *fdt)
+int grub_fdt_check_header_nosize (const void *fdt)
 {
-  if (((grub_addr_t) fdt & 0x7) || (grub_fdt_get_magic (fdt) != FDT_MAGIC)
+  if (((grub_addr_t) fdt & 0x3) || (grub_fdt_get_magic (fdt) != FDT_MAGIC)
      || (grub_fdt_get_version (fdt) < FDT_SUPPORTED_VERSION)
      || (grub_fdt_get_last_comp_version (fdt) > FDT_SUPPORTED_VERSION)
      || (grub_fdt_get_off_dt_struct (fdt) & 0x00000003)
@@ -286,7 +286,7 @@ int grub_fdt_check_header_nosize (void *fdt)
  return 0;
 }

-int grub_fdt_check_header (void *fdt, unsigned int size)
+int grub_fdt_check_header (const void *fdt, unsigned int size)
 {
  if (size < sizeof (grub_fdt_header_t)
      || (grub_fdt_get_totalsize (fdt) > size)
@@ -295,41 +295,29 @@ int grub_fdt_check_header (void *fdt, unsigned int size)
  return 0;
 }

-/* Find a direct sub-node of a given parent node. */
-int grub_fdt_find_subnode (const void *fdt, unsigned int parentoffset,
-			   const char *name)
+static const grub_uint32_t *
+advance_token (const void *fdt, const grub_uint32_t *token, const grub_uint32_t *end, int skip_current)
 {
-  grub_uint32_t *token, *end;
-  char *node_name;
-
-  if (parentoffset & 0x3)
-    return -1;
-  token = (void *) ((grub_addr_t) fdt + grub_fdt_get_off_dt_struct(fdt)
-                    + parentoffset);
-  end = (void *) struct_end (fdt);
-  if ((token >= end) || (grub_be_to_cpu32(*token) != FDT_BEGIN_NODE))
-    return -1;
-  SKIP_NODE_NAME(node_name, token, end);
-  while (token < end)
+  for (; token < end; skip_current = 0)
  {
-    switch (grub_be_to_cpu32(*token))
+    switch (grub_be_to_cpu32 (*token))
    {
      case FDT_BEGIN_NODE:
-        node_name = (char *) (token + 1);
-        if (node_name + grub_strlen (name) >= (char *) end)
-          return -1;
-        if (!grub_strcmp (node_name, name))
-          return (int) ((grub_addr_t) token - (grub_addr_t) fdt
-                        - grub_fdt_get_off_dt_struct (fdt));
-        token = get_next_node (fdt, node_name);
-        if (!token)
-          return -1;
-        break;
+	if (skip_current)
+	  {
+	    token = get_next_node (fdt, (char *) (token + 1));
+	    continue;
+	  }
+	char *ptr;
+	for (ptr = (char *) (token + 1); *ptr && ptr < (char *) end; ptr++);
+        if (ptr >= (char *) end)
+          return 0;
+	return token;
      case FDT_PROP:
        /* Skip property token and following data (len, nameoff and property
           value). */
        if (token >= end - 1)
-          return -1;
+          return 0;
        token += prop_entry_size(grub_be_to_cpu32(*(token + 1)))
                 / sizeof(*token);
        break;
@@ -337,10 +325,74 @@ int grub_fdt_find_subnode (const void *fdt, unsigned int parentoffset,
        token++;
        break;
      default:
-        return -1;
+        return 0;
    }
  }
-  return -1;
+  return 0;
+}
+
+int grub_fdt_next_node (const void *fdt, unsigned int currentoffset)
+{
+  const grub_uint32_t *token = (const grub_uint32_t *) fdt + (currentoffset + grub_fdt_get_off_dt_struct (fdt)) / 4;
+  token = advance_token (fdt, token, (const void *) struct_end (fdt), 1);
+  if (!token)
+    return -1;
+  return (int) ((grub_addr_t) token - (grub_addr_t) fdt
+		- grub_fdt_get_off_dt_struct (fdt));
+}			 
+
+int grub_fdt_first_node (const void *fdt, unsigned int parentoffset)
+{
+  const grub_uint32_t *token, *end;
+  char *node_name;
+
+  if (parentoffset & 0x3)
+    return -1;
+  token = (const void *) ((grub_addr_t) fdt + grub_fdt_get_off_dt_struct(fdt)
+                    + parentoffset);
+  end = (const void *) struct_end (fdt);
+  if ((token >= end) || (grub_be_to_cpu32(*token) != FDT_BEGIN_NODE))
+    return -1;
+  SKIP_NODE_NAME(node_name, token, end);
+  token = advance_token (fdt, token, end, 0);
+  if (!token)
+    return -1;
+  return (int) ((grub_addr_t) token - (grub_addr_t) fdt
+		- grub_fdt_get_off_dt_struct (fdt));
+}			 
+
+/* Find a direct sub-node of a given parent node. */
+int grub_fdt_find_subnode (const void *fdt, unsigned int parentoffset,
+			   const char *name)
+{
+  const grub_uint32_t *token, *end;
+  const char *node_name;
+  int skip_current = 0;
+
+  if (parentoffset & 0x3)
+    return -1;
+  token = (const void *) ((grub_addr_t) fdt + grub_fdt_get_off_dt_struct(fdt)
+                    + parentoffset);
+  end = (const void *) struct_end (fdt);
+  if ((token >= end) || (grub_be_to_cpu32(*token) != FDT_BEGIN_NODE))
+    return -1;
+  SKIP_NODE_NAME(node_name, token, end);
+  while (1) {
+    token = advance_token (fdt, token, end, skip_current);
+    if (!token)
+      return -1;
+    skip_current = 1;
+    node_name = (const char *) token + 4;
+    if (grub_strcmp (node_name, name) == 0)
+      return (int) ((grub_addr_t) token - (grub_addr_t) fdt
+		    - grub_fdt_get_off_dt_struct (fdt));
+  }
+}
+
+const char *
+grub_fdt_get_nodename (const void *fdt, unsigned int nodeoffset)
+{
+  return (const char *) fdt + grub_fdt_get_off_dt_struct(fdt) + nodeoffset + 4;
 }

 int grub_fdt_add_subnode (void *fdt, unsigned int parentoffset,
@@ -359,6 +411,24 @@ int grub_fdt_add_subnode (void *fdt, unsigned int parentoffset,
  return add_subnode (fdt, parentoffset, name);
 }

+const void *
+grub_fdt_get_prop (const void *fdt, unsigned int nodeoffset, const char *name,
+		   grub_uint32_t *len)
+{
+  grub_uint32_t *prop;
+  if ((nodeoffset >= grub_fdt_get_size_dt_struct (fdt)) || (nodeoffset & 0x3)
+      || (grub_be_to_cpu32(*(grub_uint32_t *) ((grub_addr_t) fdt
+					       + grub_fdt_get_off_dt_struct (fdt) + nodeoffset))
+          != FDT_BEGIN_NODE))
+    return 0;
+  prop = find_prop (fdt, nodeoffset, name);
+  if (!prop)
+    return 0;
+  if (len)
+    *len = grub_be_to_cpu32 (*(prop + 1));
+  return prop + 3;
+}
+
 int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name,
 		       const void *val, grub_uint32_t len)
 {
--- a/grub-core/lib/i386/relocator64.S
+++ b/grub-core/lib/i386/relocator64.S
@@ -73,22 +73,6 @@ VARIABLE(grub_relocator64_rsp)

 	movq	%rax, %rsp

-#ifdef GRUB_MACHINE_EFI
-	jmp	LOCAL(skip_efi_stack_align)
-
-	/*
-	 * Here is grub_relocator64_efi_start() entry point. Most of the
-	 * code below is shared between grub_relocator64_efi_start()
-	 * and grub_relocator64_start().
-	 *
-	 * Think twice before changing anything there!!!
-	 */
-VARIABLE(grub_relocator64_efi_start)
-	/* Align the stack as UEFI spec requires. */
-	andq	$~15, %rsp
-
-LOCAL(skip_efi_stack_align):
-#endif
 	/* mov imm64, %rax */
 	.byte 	0x48
 	.byte	0xb8
@@ -136,11 +120,6 @@ LOCAL(jump_addr):
 VARIABLE(grub_relocator64_rip)
 	.quad	0

-#ifdef GRUB_MACHINE_EFI
-	/* Here grub_relocator64_efi_start() ends. Ufff... */
-VARIABLE(grub_relocator64_efi_end)
-#endif
-
 #ifndef __x86_64__
 	.p2align	4
 LOCAL(gdt):
--- a/grub-core/lib/i386/xen/relocator.S
+++ b/grub-core/lib/i386/xen/relocator.S
@@ -16,8 +16,6 @@
 *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 */

-#include <grub/i386/memory.h>
-#include <grub/i386/types.h>
 #include <grub/symbol.h>
 #include <grub/xen.h>

@@ -25,86 +23,78 @@

 VARIABLE(grub_relocator_xen_remap_start)
 LOCAL(base):
-	/* Remap the remapper to it's new address. */
-	/* mov imm32, %ebx - %ebx: new virtual address of remapper */
+	/* mov imm32, %ebx */
 	.byte	0xbb
 VARIABLE(grub_relocator_xen_remapper_virt)
 	.long	0

-	/* mov imm32, %ecx - %ecx: low part of page table entry */
+	/* mov imm32, %ecx */
 	.byte	0xb9
 VARIABLE(grub_relocator_xen_remapper_map)
 	.long	0

-	/* mov imm32, %edx  - %edx: high part of page table entry */
+	/* mov imm32, %edx */
 	.byte	0xba
 VARIABLE(grub_relocator_xen_remapper_map_high)
 	.long	0

-	movl	%ebx, %ebp	/* %ebx is clobbered by hypercall */
+	movl	%ebx, %ebp

-	movl    $UVMF_INVLPG, %esi	/* esi: flags (inv. single entry) */
+	movl    $2, %esi
 	movl    $__HYPERVISOR_update_va_mapping, %eax
 	int     $0x82

 	movl	%ebp, %ebx
 	addl   $(LOCAL(cont) - LOCAL(base)), %ebx

-	jmp *%ebx		/* Continue with new virtual address */
+	jmp *%ebx

 LOCAL(cont):
-	/* Modify mappings of new page tables to be read-only. */
-	/* mov imm32, %eax */
-	.byte	0xb8
-VARIABLE(grub_relocator_xen_paging_areas_addr)
-	.long	0
-	movl	%eax, %ebx
+	xorl	%eax, %eax
+	movl	%eax, %ebp
 1:
-	movl	0(%ebx), %ebp	/* Get start pfn of the current area */
-	movl	GRUB_TARGET_SIZEOF_LONG(%ebx), %ecx	/* Get # of pg tables */
-	testl	%ecx, %ecx	/* 0 -> last area reached */
-	jz	3f
-	addl	$(2 * GRUB_TARGET_SIZEOF_LONG), %ebx
-	movl	%ebx, %esp	/* Save current area pointer */

-2:
-	movl	%ecx, %edi
 	/* mov imm32, %eax */
 	.byte	0xb8
 VARIABLE(grub_relocator_xen_mfn_list)
 	.long	0
-	movl    0(%eax, %ebp, 4), %ecx	/* mfn */
-	movl	%ebp, %ebx
-	shll	$PAGE_SHIFT, %ebx	/* virtual address (1:1 mapping) */
+	movl	%eax, %edi
+	movl	%ebp, %eax
+	movl    0(%edi, %eax, 4), %ecx
+
+	/* mov imm32, %ebx */
+	.byte	0xbb
+VARIABLE(grub_relocator_xen_paging_start)
+	.long	0
+	shll	$12, %eax
+	addl	%eax, %ebx
 	movl    %ecx, %edx
-	shll    $PAGE_SHIFT,  %ecx	/* prepare pte low part */
-	shrl    $(32 - PAGE_SHIFT),  %edx	/* pte high part */
-	orl     $(GRUB_PAGE_PRESENT | GRUB_PAGE_USER), %ecx	/* pte low */
-	movl    $UVMF_INVLPG, %esi
+	shll    $12,  %ecx
+	shrl    $20,  %edx
+	orl     $5, %ecx
+	movl    $2, %esi
 	movl    $__HYPERVISOR_update_va_mapping, %eax
-	int     $0x82		/* parameters: eax, ebx, ecx, edx, esi */
+	int     $0x82

-	incl	%ebp		/* next pfn */
-	movl	%edi, %ecx
+	incl	%ebp
+	/* mov imm32, %ecx */
+	.byte	0xb9
+VARIABLE(grub_relocator_xen_paging_size)
+	.long	0
+	cmpl	%ebp, %ecx

-	loop	2b
+	ja	1b

-	mov	%esp, %ebx	/* restore area poniter */
-	jmp	1b
-
-3:
-	/* Switch page tables: pin new L3 pt, load cr3, unpin old L3. */
 	/* mov imm32, %ebx */
 	.byte	0xbb
 VARIABLE(grub_relocator_xen_mmu_op_addr)
 	.long  0
-	movl   $3, %ecx		/* 3 mmu ops */
-	movl   $0, %edx		/* pdone (not used) */
-	movl   $DOMID_SELF, %esi
+	movl   $3, %ecx
+	movl   $0, %edx
+	movl   $0x7FF0, %esi
 	movl   $__HYPERVISOR_mmuext_op, %eax
 	int     $0x82

-	/* Continue in virtual kernel mapping. */
 	/* mov imm32, %eax */
 	.byte	0xb8
 VARIABLE(grub_relocator_xen_remap_continue)
@@ -112,9 +102,6 @@ VARIABLE(grub_relocator_xen_remap_continue)

 	jmp *%eax

-VARIABLE(grub_relocator_xen_paging_areas)
-	.long	0, 0, 0, 0, 0, 0, 0, 0
-
 VARIABLE(grub_relocator_xen_mmu_op)
 	.space 256

@@ -122,22 +109,21 @@ VARIABLE(grub_relocator_xen_remap_end)


 VARIABLE(grub_relocator_xen_start)
-	/* Unmap old remapper area. */
 	/* mov imm32, %eax */
 	.byte	0xb8
 VARIABLE(grub_relocator_xen_remapper_virt2)
 	.long	0

-	movl    %eax, %ebx
+	movl    %eax, %edi

-	xorl    %ecx, %ecx	/* Invalid pte */
+	xorl    %ecx, %ecx
 	xorl    %edx, %edx

-	movl    $UVMF_INVLPG, %esi
+	movl    $2, %esi
 	movl    $__HYPERVISOR_update_va_mapping, %eax
 	int     $0x82

-	/* Prepare registers for starting kernel. */
+
 	/* mov imm32, %eax */
 	.byte	0xb8
 VARIABLE(grub_relocator_xen_stack)
@@ -159,7 +145,6 @@ VARIABLE(grub_relocator_xen_start_info)
 VARIABLE(grub_relocator_xen_entry_point)
 	.long	0

-	/* Now start the new kernel. */
 	jmp *%eax

 VARIABLE(grub_relocator_xen_end)
--- a/grub-core/lib/x86_64/efi/relocator.c
+++ b/grub-core/lib/x86_64/efi/relocator.c
@@ -1,80 +0,0 @@
-/*
- *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 2009  Free Software Foundation, Inc.
- *  Copyright (C) 2016  Oracle and/or its affiliates. All rights reserved.
- *
- *  GRUB is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  GRUB is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <grub/mm.h>
-#include <grub/misc.h>
-
-#include <grub/types.h>
-#include <grub/err.h>
-
-#include <grub/i386/relocator.h>
-#include <grub/relocator_private.h>
-
-extern grub_uint64_t grub_relocator64_rax;
-extern grub_uint64_t grub_relocator64_rbx;
-extern grub_uint64_t grub_relocator64_rcx;
-extern grub_uint64_t grub_relocator64_rdx;
-extern grub_uint64_t grub_relocator64_rip;
-extern grub_uint64_t grub_relocator64_rsi;
-
-extern grub_uint8_t grub_relocator64_efi_start;
-extern grub_uint8_t grub_relocator64_efi_end;
-
-#define RELOCATOR_SIZEOF(x)	(&grub_relocator##x##_end - &grub_relocator##x##_start)
-
-grub_err_t
-grub_relocator64_efi_boot (struct grub_relocator *rel,
-			   struct grub_relocator64_efi_state state)
-{
-  grub_err_t err;
-  void *relst;
-  grub_relocator_chunk_t ch;
-
-  /*
-   * 64-bit relocator code may live above 4 GiB quite well.
-   * However, I do not want ask for problems. Just in case.
-   */
-  err = grub_relocator_alloc_chunk_align (rel, &ch, 0,
-					  0x100000000 - RELOCATOR_SIZEOF (64_efi),
-					  RELOCATOR_SIZEOF (64_efi), 16,
-					  GRUB_RELOCATOR_PREFERENCE_NONE, 1);
-  if (err)
-    return err;
-
-  /* Do not touch %rsp! It points to EFI created stack. */
-  grub_relocator64_rax = state.rax;
-  grub_relocator64_rbx = state.rbx;
-  grub_relocator64_rcx = state.rcx;
-  grub_relocator64_rdx = state.rdx;
-  grub_relocator64_rip = state.rip;
-  grub_relocator64_rsi = state.rsi;
-
-  grub_memmove (get_virtual_current_address (ch), &grub_relocator64_efi_start,
-		RELOCATOR_SIZEOF (64_efi));
-
-  err = grub_relocator_prepare_relocs (rel, get_physical_target_address (ch),
-				       &relst, NULL);
-  if (err)
-    return err;
-
-  ((void (*) (void)) relst) ();
-
-  /* Not reached.  */
-  return GRUB_ERR_NONE;
-}
--- a/grub-core/lib/x86_64/xen/relocator.S
+++ b/grub-core/lib/x86_64/xen/relocator.S
@@ -16,85 +16,95 @@
 *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 */

-#include <grub/x86_64/memory.h>
-#include <grub/x86_64/types.h>
 #include <grub/symbol.h>
 #include <grub/xen.h>

-/* Macro to load an imm64 value stored by the C-part into %rax: */
-#define MOV_IMM64_RAX(var) .byte 0x48, 0xb8; VARIABLE(var); .quad 0
-
 	.p2align	4	/* force 16-byte alignment */

 VARIABLE(grub_relocator_xen_remap_start)
 LOCAL(base):
-	/* Remap the remapper to it's new address. */
-	MOV_IMM64_RAX(grub_relocator_xen_remapper_virt)
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_remapper_virt)
+	.quad	0

-	movq    %rax, %rdi	/* %rdi: new virtual address of remapper */
-	movq    %rax, %rbx	/* Remember new virtual address */
+	movq    %rax, %rdi
+	movq    %rax, %rbx

-	MOV_IMM64_RAX(grub_relocator_xen_remapper_map)
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_remapper_map)
+	.quad	0

-	movq    %rax, %rsi	/* %rsi: page table entry */
+	movq    %rax, %rsi

-	movq    $UVMF_INVLPG, %rdx	/* %rdx: flags (inv. single entry) */
+	movq    $2, %rdx
 	movq    $__HYPERVISOR_update_va_mapping, %rax
-	syscall			/* Do the remap operation */
+	syscall

 	addq   $(LOCAL(cont) - LOCAL(base)), %rbx

-	jmp *%rbx		/* Continue with new virtual address */
+	jmp *%rbx

 LOCAL(cont):
-	/* Modify mappings of new page tables to be read-only. */
-	MOV_IMM64_RAX(grub_relocator_xen_mfn_list)
+	
+	/* mov imm64, %rcx */
+	.byte 	0x48
+	.byte	0xb9
+VARIABLE(grub_relocator_xen_paging_size)
+	.quad	0

-	movq	%rax, %rbx	/* %rbx is the base of the p2m list */
-	leaq	EXT_C(grub_relocator_xen_paging_areas) (%rip), %r8
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_paging_start)
+	.quad	0

+	movq	%rax, %r12
+
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_mfn_list)
+	.quad	0
+
+	movq	%rax, %rsi
 1:
-	movq	0(%r8), %r12	/* Get start pfn of the current area */
-	movq	GRUB_TARGET_SIZEOF_LONG(%r8), %rcx	/* Get # of pg tables */
-	testq	%rcx, %rcx	/* 0 -> last area reached */
-	jz	3f
-2:
 	movq	%r12, %rdi
-	shlq	$PAGE_SHIFT, %rdi	/* virtual address (1:1 mapping) */
-	movq    (%rbx, %r12, 8), %rsi	/* mfn */
-	shlq    $PAGE_SHIFT,  %rsi
-	orq     $(GRUB_PAGE_PRESENT | GRUB_PAGE_USER), %rsi	/* Build pte */
-	movq    $UVMF_INVLPG, %rdx
-	movq    %rcx, %r9	/* %rcx clobbered by hypercall */
+	movq    %rsi, %rbx
+	movq    0(%rsi), %rsi
+	shlq    $12,  %rsi
+	orq     $5, %rsi
+	movq    $2, %rdx
+	movq    %rcx, %r9
 	movq    $__HYPERVISOR_update_va_mapping, %rax
 	syscall

 	movq    %r9, %rcx
-	incq	%r12		/* next pfn */
+	addq    $8, %rbx
+	addq    $4096, %r12
+	movq    %rbx, %rsi

-	loop 2b
+	loop 1b

-	addq	$(2 * GRUB_TARGET_SIZEOF_LONG), %r8	/* next pg table area */
-	jmp	1b
-
-3:
-	/* Switch page tables: pin new L4 pt, load cr3, unpin old L4. */
-	leaq   EXT_C(grub_relocator_xen_mmu_op) (%rip), %rdi
-	movq   $3, %rsi		/* 3 mmu ops */
-	movq   $0, %rdx		/* pdone (not used) */
-	movq   $DOMID_SELF, %r10
+	leaq   LOCAL(mmu_op) (%rip), %rdi
+	movq   $3, %rsi
+	movq   $0, %rdx
+	movq   $0x7FF0, %r10
 	movq   $__HYPERVISOR_mmuext_op, %rax
 	syscall

-	/* Continue in virtual kernel mapping. */
-	MOV_IMM64_RAX(grub_relocator_xen_remap_continue)
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_remap_continue)
+	.quad	0

 	jmp *%rax

-VARIABLE(grub_relocator_xen_paging_areas)
-	/* array of start, size pairs, size 0 is end marker */
-	.quad	0, 0, 0, 0, 0, 0, 0, 0
-
+LOCAL(mmu_op):
 VARIABLE(grub_relocator_xen_mmu_op)
 	.space 256

@@ -102,32 +112,46 @@ VARIABLE(grub_relocator_xen_remap_end)


 VARIABLE(grub_relocator_xen_start)
-	/* Unmap old remapper area. */
-	MOV_IMM64_RAX(grub_relocator_xen_remapper_virt2)
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_remapper_virt2)
+	.quad	0

 	movq    %rax, %rdi

-	xorq    %rax, %rax	/* Invalid pte */
+	xorq    %rax, %rax
 	movq    %rax, %rsi

-	movq    $UVMF_INVLPG, %rdx
+	movq    $2, %rdx
 	movq    $__HYPERVISOR_update_va_mapping, %rax
 	syscall

-	/* Prepare registers for starting kernel. */
-	MOV_IMM64_RAX(grub_relocator_xen_stack)
+
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_stack)
+	.quad	0

 	movq	%rax, %rsp

-	MOV_IMM64_RAX(grub_relocator_xen_start_info)
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_start_info)
+	.quad	0

 	movq	%rax, %rsi

 	cld

-	MOV_IMM64_RAX(grub_relocator_xen_entry_point)
+	/* mov imm64, %rax */
+	.byte 	0x48
+	.byte	0xb8
+VARIABLE(grub_relocator_xen_entry_point)
+	.quad	0

-	/* Now start the new kernel. */
 	jmp *%rax

 VARIABLE(grub_relocator_xen_end)
--- a/grub-core/lib/xen/relocator.c
+++ b/grub-core/lib/xen/relocator.c
@@ -29,11 +29,6 @@

 typedef grub_addr_t grub_xen_reg_t;

-struct grub_relocator_xen_paging_area {
-  grub_xen_reg_t start;
-  grub_xen_reg_t size;
-} GRUB_PACKED;
-
 extern grub_uint8_t grub_relocator_xen_start;
 extern grub_uint8_t grub_relocator_xen_end;
 extern grub_uint8_t grub_relocator_xen_remap_start;
@@ -41,16 +36,15 @@ extern grub_uint8_t grub_relocator_xen_remap_end;
 extern grub_xen_reg_t grub_relocator_xen_stack;
 extern grub_xen_reg_t grub_relocator_xen_start_info;
 extern grub_xen_reg_t grub_relocator_xen_entry_point;
+extern grub_xen_reg_t grub_relocator_xen_paging_start;
+extern grub_xen_reg_t grub_relocator_xen_paging_size;
 extern grub_xen_reg_t grub_relocator_xen_remapper_virt;
 extern grub_xen_reg_t grub_relocator_xen_remapper_virt2;
 extern grub_xen_reg_t grub_relocator_xen_remapper_map;
 extern grub_xen_reg_t grub_relocator_xen_mfn_list;
-extern struct grub_relocator_xen_paging_area
-  grub_relocator_xen_paging_areas[XEN_MAX_MAPPINGS];
 extern grub_xen_reg_t grub_relocator_xen_remap_continue;
 #ifdef __i386__
 extern grub_xen_reg_t grub_relocator_xen_mmu_op_addr;
-extern grub_xen_reg_t grub_relocator_xen_paging_areas_addr;
 extern grub_xen_reg_t grub_relocator_xen_remapper_map_high;
 #endif
 extern mmuext_op_t grub_relocator_xen_mmu_op[3];
@@ -67,7 +61,6 @@ grub_relocator_xen_boot (struct grub_relocator *rel,
 {
  grub_err_t err;
  void *relst;
-  int i;
  grub_relocator_chunk_t ch, ch_tramp;
  grub_xen_mfn_t *mfn_list =
    (grub_xen_mfn_t *) grub_xen_start_page_addr->mfn_list;
@@ -84,11 +77,8 @@ grub_relocator_xen_boot (struct grub_relocator *rel,
  grub_relocator_xen_stack = state.stack;
  grub_relocator_xen_start_info = state.start_info;
  grub_relocator_xen_entry_point = state.entry_point;
-  for (i = 0; i < XEN_MAX_MAPPINGS; i++)
-    {
-      grub_relocator_xen_paging_areas[i].start = state.paging_start[i];
-      grub_relocator_xen_paging_areas[i].size = state.paging_size[i];
-    }
+  grub_relocator_xen_paging_start = state.paging_start << 12;
+  grub_relocator_xen_paging_size = state.paging_size;
  grub_relocator_xen_remapper_virt = remapper_virt;
  grub_relocator_xen_remapper_virt2 = remapper_virt;
  grub_relocator_xen_remap_continue = trampoline_virt;
@@ -98,12 +88,10 @@ grub_relocator_xen_boot (struct grub_relocator *rel,
  grub_relocator_xen_remapper_map_high = (mfn_list[remapper_pfn] >> 20);
  grub_relocator_xen_mmu_op_addr = (char *) &grub_relocator_xen_mmu_op
    - (char *) &grub_relocator_xen_remap_start + remapper_virt;
-  grub_relocator_xen_paging_areas_addr =
-    (char *) &grub_relocator_xen_paging_areas
-    - (char *) &grub_relocator_xen_remap_start + remapper_virt;
 #endif

-  grub_relocator_xen_mfn_list = state.mfn_list;
+  grub_relocator_xen_mfn_list = state.mfn_list
+    + state.paging_start * sizeof (grub_addr_t);

  grub_memset (grub_relocator_xen_mmu_op, 0,
 	       sizeof (grub_relocator_xen_mmu_op));
@@ -112,9 +100,9 @@ grub_relocator_xen_boot (struct grub_relocator *rel,
 #else
  grub_relocator_xen_mmu_op[0].cmd = MMUEXT_PIN_L4_TABLE;
 #endif
-  grub_relocator_xen_mmu_op[0].arg1.mfn = mfn_list[state.paging_start[0]];
+  grub_relocator_xen_mmu_op[0].arg1.mfn = mfn_list[state.paging_start];
  grub_relocator_xen_mmu_op[1].cmd = MMUEXT_NEW_BASEPTR;
-  grub_relocator_xen_mmu_op[1].arg1.mfn = mfn_list[state.paging_start[0]];
+  grub_relocator_xen_mmu_op[1].arg1.mfn = mfn_list[state.paging_start];
  grub_relocator_xen_mmu_op[2].cmd = MMUEXT_UNPIN_TABLE;
  grub_relocator_xen_mmu_op[2].arg1.mfn =
    mfn_list[grub_xen_start_page_addr->pt_base >> 12];
--- a/grub-core/lib/xzembed/xz_dec_lzma2.c
+++ b/grub-core/lib/xzembed/xz_dec_lzma2.c
@@ -1044,8 +1044,6 @@ enum xz_ret xz_dec_lzma2_run(

 			s->lzma2.sequence = SEQ_LZMA_PREPARE;

-		/* Fall through */
-
 		case SEQ_LZMA_PREPARE:
 			if (s->lzma2.compressed < RC_INIT_BYTES)
 				return XZ_DATA_ERROR;
@@ -1056,8 +1054,6 @@ enum xz_ret xz_dec_lzma2_run(
 			s->lzma2.compressed -= RC_INIT_BYTES;
 			s->lzma2.sequence = SEQ_LZMA_RUN;

-		/* Fall through */
-
 		case SEQ_LZMA_RUN:
 			/*
 			 * Set dictionary limit to indicate how much we want
--- a/grub-core/lib/xzembed/xz_dec_stream.c
+++ b/grub-core/lib/xzembed/xz_dec_stream.c
@@ -750,7 +750,6 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)

 			s->sequence = SEQ_BLOCK_START;

-			/* FALLTHROUGH */
 		case SEQ_BLOCK_START:
 			/* We need one byte of input to continue. */
 			if (b->in_pos == b->in_size)
@@ -774,7 +773,6 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
 			s->temp.pos = 0;
 			s->sequence = SEQ_BLOCK_HEADER;

-			/* FALLTHROUGH */
 		case SEQ_BLOCK_HEADER:
 			if (!fill_temp(s, b))
 				return XZ_OK;
@@ -785,7 +783,6 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)

 			s->sequence = SEQ_BLOCK_UNCOMPRESS;

-			/* FALLTHROUGH */
 		case SEQ_BLOCK_UNCOMPRESS:
 			ret = dec_block(s, b);
 			if (ret != XZ_STREAM_END)
@@ -813,7 +810,6 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)

 			s->sequence = SEQ_BLOCK_CHECK;

-			/* FALLTHROUGH */
 		case SEQ_BLOCK_CHECK:
 			ret = hash_validate(s, b, 0);
 			if (ret != XZ_STREAM_END)
@@ -862,7 +858,6 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)

 			s->sequence = SEQ_INDEX_CRC32;

-			/* FALLTHROUGH */
 		case SEQ_INDEX_CRC32:
 			ret = hash_validate(s, b, 1);
 			if (ret != XZ_STREAM_END)
@@ -871,7 +866,6 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
 			s->temp.size = STREAM_HEADER_SIZE;
 			s->sequence = SEQ_STREAM_FOOTER;

-			/* FALLTHROUGH */
 		case SEQ_STREAM_FOOTER:
 			if (!fill_temp(s, b))
 				return XZ_OK;
--- a/grub-core/loader/arm/linux.c
+++ b/grub-core/loader/arm/linux.c
@@ -42,7 +42,7 @@ static grub_size_t linux_size;
 static char *linux_args;

 static grub_uint32_t machine_type;
-static void *fdt_addr;
+static const void *current_fdt;

 typedef void (*kernel_entry_t) (int, unsigned long, void *);

@@ -54,9 +54,9 @@ typedef void (*kernel_entry_t) (int, unsigned long, void *);
 #define LINUX_FDT_PHYS_OFFSET    (LINUX_INITRD_PHYS_OFFSET - 0x10000)

 static grub_size_t
-get_atag_size (grub_uint32_t *atag)
+get_atag_size (const grub_uint32_t *atag)
 {
-  grub_uint32_t *atag0 = atag;
+  const grub_uint32_t *atag0 = atag;
  while (atag[0] && atag[1])
    atag += atag[0];
  return atag - atag0;
@@ -68,10 +68,11 @@ get_atag_size (grub_uint32_t *atag)
 *   Merges in command line parameters and sets up initrd addresses.
 */
 static grub_err_t
-linux_prepare_atag (void)
+linux_prepare_atag (void *target_atag)
 {
-  grub_uint32_t *atag_orig = (grub_uint32_t *) fdt_addr;
-  grub_uint32_t *tmp_atag, *from, *to;
+  const grub_uint32_t *atag_orig = (const grub_uint32_t *) current_fdt;
+  grub_uint32_t *tmp_atag, *to;
+  const grub_uint32_t *from;
  grub_size_t tmp_size;
  grub_size_t arg_size = grub_strlen (linux_args);
  char *cmdline_orig = NULL;
@@ -142,7 +143,7 @@ linux_prepare_atag (void)
  to += 2;

  /* Copy updated FDT to its launch location */
-  grub_memcpy (atag_orig, tmp_atag, sizeof (grub_uint32_t) * (to - tmp_atag));
+  grub_memcpy (target_atag, tmp_atag, sizeof (grub_uint32_t) * (to - tmp_atag));
  grub_free (tmp_atag);

  grub_dprintf ("loader", "ATAG updated for Linux boot\n");
@@ -156,19 +157,19 @@ linux_prepare_atag (void)
 *   Merges in command line parameters and sets up initrd addresses.
 */
 static grub_err_t
-linux_prepare_fdt (void)
+linux_prepare_fdt (void *target_fdt)
 {
  int node;
  int retval;
  int tmp_size;
  void *tmp_fdt;

-  tmp_size = grub_fdt_get_totalsize (fdt_addr) + 0x100 + grub_strlen (linux_args);
+  tmp_size = grub_fdt_get_totalsize (current_fdt) + 0x100 + grub_strlen (linux_args);
  tmp_fdt = grub_malloc (tmp_size);
  if (!tmp_fdt)
    return grub_errno;

-  grub_memcpy (tmp_fdt, fdt_addr, grub_fdt_get_totalsize (fdt_addr));
+  grub_memcpy (tmp_fdt, current_fdt, grub_fdt_get_totalsize (current_fdt));
  grub_fdt_set_totalsize (tmp_fdt, tmp_size);

  /* Find or create '/chosen' node */
@@ -209,7 +210,7 @@ linux_prepare_fdt (void)
    }

  /* Copy updated FDT to its launch location */
-  grub_memcpy (fdt_addr, tmp_fdt, tmp_size);
+  grub_memcpy (target_fdt, tmp_fdt, tmp_size);
  grub_free (tmp_fdt);

  grub_dprintf ("loader", "FDT updated for Linux boot\n");
@@ -226,16 +227,17 @@ linux_boot (void)
 {
  kernel_entry_t linuxmain;
  int fdt_valid, atag_valid;
+  void *target_fdt = 0;

-  fdt_valid = (fdt_addr && grub_fdt_check_header_nosize (fdt_addr) == 0);
-  atag_valid = ((((grub_uint16_t *) fdt_addr)[3] & ~3) == 0x5440
-		&& *((grub_uint32_t *) fdt_addr));
+  fdt_valid = (current_fdt && grub_fdt_check_header_nosize (current_fdt) == 0);
+  atag_valid = ((((const grub_uint16_t *) current_fdt)[3] & ~3) == 0x5440
+		&& *((const grub_uint32_t *) current_fdt));
  grub_dprintf ("loader", "atag: %p, %x, %x, %s, %s\n",
-		fdt_addr,
-		((grub_uint16_t *) fdt_addr)[3],
-		*((grub_uint32_t *) fdt_addr),
-		(char *) fdt_addr,
-		(char *) fdt_addr + 1);
+		current_fdt,
+		((const grub_uint16_t *) current_fdt)[3],
+		*((const grub_uint32_t *) current_fdt),
+		(const char *) current_fdt,
+		(const char *) current_fdt + 1);

  if (!fdt_valid && machine_type == GRUB_ARM_MACHINE_TYPE_FDT)
    return grub_error (GRUB_ERR_FILE_NOT_FOUND,
@@ -245,23 +247,40 @@ linux_boot (void)

  grub_dprintf ("loader", "Kernel at: 0x%x\n", linux_addr);

+  if (fdt_valid || atag_valid)
+    {
+#ifdef GRUB_MACHINE_EFI
+      grub_size_t size;
+      if (fdt_valid)
+	size = grub_fdt_get_totalsize (fdt_addr);
+      else
+	size = 4 * get_atag_size (atag_orig);
+      size += grub_strlen (linux_args) + 256;
+      target_fdt = grub_efi_allocate_loader_memory (LINUX_FDT_PHYS_OFFSET, size);
+      if (!fdt_addr)
+	return grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
+#else
+      target_fdt = (void *) LINUX_FDT_ADDRESS;
+#endif
+    }
+
  if (fdt_valid)
    {
      grub_err_t err;

-      err = linux_prepare_fdt ();
+      err = linux_prepare_fdt (target_fdt);
      if (err)
 	return err;
-      grub_dprintf ("loader", "FDT @ 0x%p\n", fdt_addr);
+      grub_dprintf ("loader", "FDT @ %p\n", target_fdt);
    }
  else if (atag_valid)
    {
      grub_err_t err;

-      err = linux_prepare_atag ();
+      err = linux_prepare_atag (target_fdt);
      if (err)
 	return err;
-      grub_dprintf ("loader", "ATAG @ 0x%p\n", fdt_addr);
+      grub_dprintf ("loader", "ATAG @ %p\n", target_fdt);
    }

  grub_dprintf ("loader", "Jumping to Linux...\n");
@@ -285,7 +304,7 @@ linux_boot (void)

  grub_arm_disable_caches_mmu ();

-  linuxmain (0, machine_type, fdt_addr);
+  linuxmain (0, machine_type, target_fdt);

  return grub_error (GRUB_ERR_BAD_OS, "Linux call returned");
 }
@@ -444,11 +463,26 @@ fail:
 static grub_err_t
 load_dtb (grub_file_t dtb, int size)
 {
-  if ((grub_file_read (dtb, fdt_addr, size) != size)
-      || (grub_fdt_check_header (fdt_addr, size) != 0))
-    return grub_error (GRUB_ERR_BAD_OS, N_("invalid device tree"));
+  void *new_fdt = grub_zalloc (size);
+  if (!new_fdt)
+    return grub_errno;
+  grub_dprintf ("loader", "Loading device tree to %p\n",
+		new_fdt);
+  if ((grub_file_read (dtb, new_fdt, size) != size)
+      || (grub_fdt_check_header (new_fdt, size) != 0))
+    {
+      grub_free (new_fdt);
+      return grub_error (GRUB_ERR_BAD_OS, N_("invalid device tree"));
+    }
+
+  grub_fdt_set_totalsize (new_fdt, size);
+  current_fdt = new_fdt;
+  /* 
+   * We've successfully loaded an FDT, so any machine type passed
+   * from firmware is now obsolete.
+   */
+  machine_type = GRUB_ARM_MACHINE_TYPE_FDT;

-  grub_fdt_set_totalsize (fdt_addr, size);
  return GRUB_ERR_NONE;
 }

@@ -464,42 +498,13 @@ grub_cmd_devicetree (grub_command_t cmd __attribute__ ((unused)),

  dtb = grub_file_open (argv[0]);
  if (!dtb)
-    goto out;
+    return grub_errno;

  size = grub_file_size (dtb);
  if (size == 0)
-    {
-      grub_error (GRUB_ERR_BAD_OS, "empty file");
-      goto out;
-    }
-
-#ifdef GRUB_MACHINE_EFI
-  fdt_addr = grub_efi_allocate_loader_memory (LINUX_FDT_PHYS_OFFSET, size);
-  if (!fdt_addr)
-    {
-      grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
-      goto out;
-    }
-#else
-  fdt_addr = (void *) LINUX_FDT_ADDRESS;
-#endif
-
-  grub_dprintf ("loader", "Loading device tree to 0x%08x\n",
-		(grub_addr_t) fdt_addr);
-  load_dtb (dtb, size);
-  if (grub_errno != GRUB_ERR_NONE)
-    {
-      fdt_addr = NULL;
-      goto out;
-    }
-
-  /* 
-   * We've successfully loaded an FDT, so any machine type passed
-   * from firmware is now obsolete.
-   */
-  machine_type = GRUB_ARM_MACHINE_TYPE_FDT;
-
- out:
+    grub_error (GRUB_ERR_BAD_OS, "empty file");
+  else
+    load_dtb (dtb, size);
  grub_file_close (dtb);

  return grub_errno;
@@ -517,7 +522,7 @@ GRUB_MOD_INIT (linux)
 					  /* TRANSLATORS: DTB stands for device tree blob.  */
 					  0, N_("Load DTB file."));
  my_mod = mod;
-  fdt_addr = (void *) grub_arm_firmware_get_boot_data ();
+  current_fdt = grub_arm_firmware_get_boot_data ();
  machine_type = grub_arm_firmware_get_machine_type ();
 }

--- a/grub-core/loader/arm64/fdt.c
+++ b/grub-core/loader/arm64/fdt.c
@@ -28,6 +28,28 @@
 static void *loaded_fdt;
 static void *fdt;

+static void *
+get_firmware_fdt (void)
+{
+  grub_efi_configuration_table_t *tables;
+  grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
+  void *firmware_fdt = NULL;
+  unsigned int i;
+
+  /* Look for FDT in UEFI config tables. */
+  tables = grub_efi_system_table->configuration_table;
+
+  for (i = 0; i < grub_efi_system_table->num_table_entries; i++)
+    if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0)
+      {
+	firmware_fdt = tables[i].vendor_table;
+	grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt);
+	break;
+      }
+
+  return firmware_fdt;
+}
+
 void *
 grub_fdt_load (grub_size_t additional_size)
 {
@@ -43,7 +65,7 @@ grub_fdt_load (grub_size_t additional_size)
  if (loaded_fdt)
    raw_fdt = loaded_fdt;
  else
-    raw_fdt = grub_efi_get_firmware_fdt();
+    raw_fdt = get_firmware_fdt();

  size =
    raw_fdt ? grub_fdt_get_totalsize (raw_fdt) : GRUB_FDT_EMPTY_TREE_SZ;
--- a/grub-core/loader/efi/chainloader.c
+++ b/grub-core/loader/efi/chainloader.c
@@ -122,8 +122,6 @@ copy_file_path (grub_efi_file_path_device_path_t *fp,
    if (*p == '/')
      *p = '\\';

-  /* File Path is NULL terminated */
-  fp->path_name[size++] = '\0';
  fp->header.length = size * sizeof (grub_efi_char16_t) + sizeof (*fp);
 }

@@ -158,10 +156,8 @@ make_file_path (grub_efi_device_path_t *dp, const char *filename)
      d = GRUB_EFI_NEXT_DEVICE_PATH (d);
    }

-  /* File Path is NULL terminated. Allocate space for 2 extra characters */
-  /* FIXME why we split path in two components? */
  file_path = grub_malloc (size
-			   + ((grub_strlen (dir_start) + 2)
+			   + ((grub_strlen (dir_start) + 1)
 			      * GRUB_MAX_UTF16_PER_UTF8
 			      * sizeof (grub_efi_char16_t))
 			   + sizeof (grub_efi_file_path_device_path_t) * 2);
--- a/grub-core/loader/i386/bsd.c
+++ b/grub-core/loader/i386/bsd.c
@@ -1889,10 +1889,6 @@ grub_cmd_freebsd_module (grub_command_t cmd __attribute__ ((unused)),
  grub_err_t err;
  void *src;

-  if (! grub_loader_is_loaded ())
-    return grub_error (GRUB_ERR_BAD_ARGUMENT,
-		       N_("you need to load the kernel first"));
-
  if (kernel_type != KERNEL_TYPE_FREEBSD)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no FreeBSD loaded");

@@ -1996,10 +1992,6 @@ grub_cmd_netbsd_module (grub_command_t cmd,
 {
  grub_uint32_t type;

-  if (! grub_loader_is_loaded ())
-    return grub_error (GRUB_ERR_BAD_ARGUMENT,
-		       N_("you need to load the kernel first"));
-
  if (kernel_type != KERNEL_TYPE_NETBSD)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, "no NetBSD loaded");

@@ -2078,10 +2070,6 @@ grub_cmd_openbsd_ramdisk (grub_command_t cmd __attribute__ ((unused)),
  if (argc != 1)
    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));

-  if (! grub_loader_is_loaded ())
-    return grub_error (GRUB_ERR_BAD_ARGUMENT,
-		       N_("you need to load the kernel first"));
-
  if (kernel_type != KERNEL_TYPE_OPENBSD)
    return grub_error (GRUB_ERR_BAD_OS, "no kOpenBSD loaded");

--- a/grub-core/loader/i386/coreboot/chainloader.c
+++ b/grub-core/loader/i386/coreboot/chainloader.c
@@ -384,7 +384,6 @@ load_chewed (grub_file_t file, const char *filename)
 	  segment.len = 0;
 	  segment.offset = 0;
 	  segment.len = 0;
-	  /* Fallthrough.  */
 	case PAYLOAD_SEGMENT_CODE:
 	case PAYLOAD_SEGMENT_DATA:
 	  {
--- a/grub-core/loader/i386/linux.c
+++ b/grub-core/loader/i386/linux.c
@@ -915,8 +915,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
 	    grub_env_set ("gfxpayload", "text");
 	    grub_printf_ (N_("%s is deprecated. "
 			     "Use set gfxpayload=%s before "
-			     "linux command instead.\n"),
-			  argv[i], "text");
+			     "linux command instead.\n"), "text",
+			  argv[i]);
 	    break;

 	  case 1:
@@ -925,8 +925,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
 	    grub_env_set ("gfxpayload", "text");
 	    grub_printf_ (N_("%s is deprecated. "
 			     "Use set gfxpayload=%s before "
-			     "linux command instead.\n"),
-			  argv[i], "text");
+			     "linux command instead.\n"), "text",
+			  argv[i]);
 	    break;
 	  default:
 	    /* Ignore invalid values.  */
@@ -984,13 +984,10 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
 	      {
 	      case 'g':
 		shift += 10;
-		/* FALLTHROUGH */
 	      case 'm':
 		shift += 10;
-		/* FALLTHROUGH */
 	      case 'k':
 		shift += 10;
-		/* FALLTHROUGH */
 	      default:
 		break;
 	      }
--- a/grub-core/loader/i386/multiboot_mbi.c
+++ b/grub-core/loader/i386/multiboot_mbi.c
@@ -70,18 +70,9 @@ load_kernel (grub_file_t file, const char *filename,
 	     char *buffer, struct multiboot_header *header)
 {
  grub_err_t err;
-  mbi_load_data_t mld;
-
-  mld.file = file;
-  mld.filename = filename;
-  mld.buffer = buffer;
-  mld.mbi_ver = 1;
-  mld.relocatable = 0;
-  mld.avoid_efi_boot_services = 0;
-
  if (grub_multiboot_quirks & GRUB_MULTIBOOT_QUIRK_BAD_KLUDGE)
    {
-      err = grub_multiboot_load_elf (&mld);
+      err = grub_multiboot_load_elf (file, filename, buffer);
      if (err == GRUB_ERR_NONE) {
 	return GRUB_ERR_NONE;
      }
@@ -130,7 +121,7 @@ load_kernel (grub_file_t file, const char *filename,
      return GRUB_ERR_NONE;
    }

-  return grub_multiboot_load_elf (&mld);
+  return grub_multiboot_load_elf (file, filename, buffer);
 }

 static struct multiboot_header *
--- a/grub-core/loader/i386/xen.c
+++ b/grub-core/loader/i386/xen.c
--- a/grub-core/loader/i386/xen_file.c
+++ b/grub-core/loader/i386/xen_file.c
@@ -20,16 +20,12 @@
 #include <grub/i386/linux.h>
 #include <grub/misc.h>

-#define XZ_MAGIC "\3757zXZ\0"
-
 grub_elf_t
 grub_xen_file (grub_file_t file)
 {
  grub_elf_t elf;
  struct linux_kernel_header lh;
  grub_file_t off_file;
-  grub_uint32_t payload_offset, payload_length;
-  grub_uint8_t magic[6];

  elf = grub_elf_file (file, file->name);
  if (elf)
@@ -50,36 +46,20 @@ grub_xen_file (grub_file_t file)
      return NULL;
    }

-  payload_length = lh.payload_length;
-  payload_offset = (lh.setup_sects + 1) * 512
-    + lh.payload_offset;
-
-  if (payload_length < sizeof (magic))
+  if (lh.payload_length < 4)
    {
      grub_error (GRUB_ERR_BAD_OS, "payload too short");
      return NULL;
    }

  grub_dprintf ("xen", "found bzimage payload 0x%llx-0x%llx\n",
-		(unsigned long long) payload_offset,
-		(unsigned long long) lh.payload_length);
+		(unsigned long long) (lh.setup_sects + 1) * 512
+		+ lh.payload_offset,
+		(unsigned long long) lh.payload_length - 4);

-  grub_file_seek (file, payload_offset);
-
-  if (grub_file_read (file, &magic, sizeof (magic)) != sizeof (magic))
-    {
-      if (!grub_errno)
-	grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
-		    file->name);
-      goto fail;
-    }
-
-  /* Kernel suffixes xz payload with their uncompressed size.
-     Trim it.  */
-  if (grub_memcmp (magic, XZ_MAGIC, sizeof (XZ_MAGIC) - 1) == 0)
-    payload_length -= 4;
-  off_file = grub_file_offset_open (file, payload_offset,
-				    payload_length);
+  off_file = grub_file_offset_open (file, (lh.setup_sects + 1) * 512
+				    + lh.payload_offset,
+				    lh.payload_length - 4);
  if (!off_file)
    goto fail;

--- a/grub-core/loader/i386/xen_fileXX.c
+++ b/grub-core/loader/i386/xen_fileXX.c
@@ -18,7 +18,6 @@

 #include <grub/xen_file.h>
 #include <grub/misc.h>
-#include <xen/elfnote.h>

 static grub_err_t
 parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
@@ -27,8 +26,6 @@ parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
  char *buf;
  char *ptr;
  int has_paddr = 0;
-
-  grub_errno = GRUB_ERR_NONE;
  if (grub_file_seek (elf->file, off) == (grub_off_t) -1)
    return grub_errno;
  buf = grub_malloc (sz);
@@ -38,8 +35,7 @@ parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
  if (grub_file_read (elf->file, buf, sz) != (grub_ssize_t) sz)
    {
      if (grub_errno)
-	goto out;
-      grub_free (buf);
+	return grub_errno;
      return grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"),
 			 elf->file->name);
    }
@@ -127,14 +123,14 @@ parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
 	{
 	  xi->virt_base = grub_strtoull (ptr + sizeof ("VIRT_BASE=") - 1, &ptr, 16);
 	  if (grub_errno)
-	    goto out;
+	    return grub_errno;
 	  continue;
 	}
      if (grub_strncmp (ptr, "VIRT_ENTRY=", sizeof ("VIRT_ENTRY=") - 1) == 0)
 	{
 	  xi->entry_point = grub_strtoull (ptr + sizeof ("VIRT_ENTRY=") - 1, &ptr, 16);
 	  if (grub_errno)
-	    goto out;
+	    return grub_errno;
 	  continue;
 	}
      if (grub_strncmp (ptr, "HYPERCALL_PAGE=", sizeof ("HYPERCALL_PAGE=") - 1) == 0)
@@ -142,7 +138,7 @@ parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
 	  xi->hypercall_page = grub_strtoull (ptr + sizeof ("HYPERCALL_PAGE=") - 1, &ptr, 16);
 	  xi->has_hypercall_page = 1;
 	  if (grub_errno)
-	    goto out;
+	    return grub_errno;
 	  continue;
 	}
      if (grub_strncmp (ptr, "ELF_PADDR_OFFSET=", sizeof ("ELF_PADDR_OFFSET=") - 1) == 0)
@@ -150,7 +146,7 @@ parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
 	  xi->paddr_offset = grub_strtoull (ptr + sizeof ("ELF_PADDR_OFFSET=") - 1, &ptr, 16);
 	  has_paddr = 1;
 	  if (grub_errno)
-	    goto out;
+	    return grub_errno;
 	  continue;
 	}
    }
@@ -158,11 +154,7 @@ parse_xen_guest (grub_elf_t elf, struct grub_xen_file_info *xi,
    xi->hypercall_page = (xi->hypercall_page << 12) + xi->virt_base;
  if (!has_paddr)
    xi->paddr_offset = xi->virt_base;
-
-out:
-  grub_free (buf);
-
-  return grub_errno;
+  return GRUB_ERR_NONE;
 }

 #pragma GCC diagnostic ignored "-Wcast-align"
@@ -204,35 +196,35 @@ parse_note (grub_elf_t elf, struct grub_xen_file_info *xi,
      xi->has_note = 1;
      switch (nh->n_type)
 	{
-	case XEN_ELFNOTE_ENTRY:
+	case 1:
 	  xi->entry_point = grub_le_to_cpu_addr (*(Elf_Addr *) desc);
 	  break;
-	case XEN_ELFNOTE_HYPERCALL_PAGE:
+	case 2:
 	  xi->hypercall_page = grub_le_to_cpu_addr (*(Elf_Addr *) desc);
 	  xi->has_hypercall_page = 1;
 	  break;
-	case XEN_ELFNOTE_VIRT_BASE:
+	case 3:
 	  xi->virt_base = grub_le_to_cpu_addr (*(Elf_Addr *) desc);
 	  break;
-	case XEN_ELFNOTE_PADDR_OFFSET:
+	case 4:
 	  xi->paddr_offset = grub_le_to_cpu_addr (*(Elf_Addr *) desc);
 	  break;
-	case XEN_ELFNOTE_XEN_VERSION:
+	case 5:
 	  grub_dprintf ("xen", "xenversion = `%s'\n", (char *) desc);
 	  break;
-	case XEN_ELFNOTE_GUEST_OS:
+	case 6:
 	  grub_dprintf ("xen", "name = `%s'\n", (char *) desc);
 	  break;
-	case XEN_ELFNOTE_GUEST_VERSION:
+	case 7:
 	  grub_dprintf ("xen", "version = `%s'\n", (char *) desc);
 	  break;
-	case XEN_ELFNOTE_LOADER:
+	case 8:
 	  if (descsz < 7
 	      || grub_memcmp (desc, "generic", descsz == 7 ? 7 : 8) != 0)
 	    return grub_error (GRUB_ERR_BAD_OS, "invalid loader");
 	  break;
 	  /* PAE */
-	case XEN_ELFNOTE_PAE_MODE:
+	case 9:
 	  grub_dprintf ("xen", "pae = `%s', %d, %d\n", (char *) desc,
 			xi->arch, descsz);
 	  if (xi->arch != GRUB_XEN_FILE_I386
@@ -261,13 +253,6 @@ parse_note (grub_elf_t elf, struct grub_xen_file_info *xi,
 					  descsz == 2 ? 2 : 3) == 0)
 	    xi->arch = GRUB_XEN_FILE_I386;
 	  break;
-	case XEN_ELFNOTE_INIT_P2M:
-	  xi->p2m_base = grub_le_to_cpu_addr (*(Elf_Addr *) desc);
-	  xi->has_p2m_base = 1;
-	  break;
-	case XEN_ELFNOTE_MOD_START_PFN:
-	  xi->unmapped_initrd = !!grub_le_to_cpu32(*(grub_uint32_t *) desc);
-	  break;
 	default:
 	  grub_dprintf ("xen", "unknown note type %d\n", nh->n_type);
 	  break;
--- a/grub-core/loader/multiboot.c
+++ b/grub-core/loader/multiboot.c
@@ -118,48 +118,6 @@ grub_multiboot_set_video_mode (void)
  return err;
 }

-#ifdef GRUB_MACHINE_EFI
-#ifdef __x86_64__
-#define grub_relocator_efi_boot		grub_relocator64_efi_boot
-#define grub_relocator_efi_state	grub_relocator64_efi_state
-#endif
-#endif
-
-#ifdef grub_relocator_efi_boot
-static void
-efi_boot (struct grub_relocator *rel,
-	  grub_uint32_t target)
-{
-  struct grub_relocator_efi_state state_efi = MULTIBOOT_EFI_INITIAL_STATE;
-
-  state_efi.MULTIBOOT_EFI_ENTRY_REGISTER = grub_multiboot_payload_eip;
-  state_efi.MULTIBOOT_EFI_MBI_REGISTER = target;
-
-  grub_relocator_efi_boot (rel, state_efi);
-}
-#else
-#define grub_efi_is_finished	1
-static void
-efi_boot (struct grub_relocator *rel __attribute__ ((unused)),
-	  grub_uint32_t target __attribute__ ((unused)))
-{
-}
-#endif
-
-#if defined (__i386__) || defined (__x86_64__)
-static void
-normal_boot (struct grub_relocator *rel, struct grub_relocator32_state state)
-{
-  grub_relocator32_boot (rel, state, 0);
-}
-#else
-static void
-normal_boot (struct grub_relocator *rel, struct grub_relocator32_state state)
-{
-  grub_relocator32_boot (rel, state);
-}
-#endif
-
 static grub_err_t
 grub_multiboot_boot (void)
 {
@@ -173,10 +131,11 @@ grub_multiboot_boot (void)
  if (err)
    return err;

-  if (grub_efi_is_finished)
-    normal_boot (grub_multiboot_relocator, state);
-  else
-    efi_boot (grub_multiboot_relocator, state.MULTIBOOT_MBI_REGISTER);
+#if defined (__i386__) || defined (__x86_64__)
+  grub_relocator32_boot (grub_multiboot_relocator, state, 0);
+#else
+  grub_relocator32_boot (grub_multiboot_relocator, state);
+#endif

  /* Not reached.  */
  return GRUB_ERR_NONE;
@@ -207,12 +166,13 @@ static grub_uint64_t highest_load;

 /* Load ELF32 or ELF64.  */
 grub_err_t
-grub_multiboot_load_elf (mbi_load_data_t *mld)
+grub_multiboot_load_elf (grub_file_t file, const char *filename,
+			 void *buffer)
 {
-  if (grub_multiboot_is_elf32 (mld->buffer))
-    return grub_multiboot_load_elf32 (mld);
-  else if (grub_multiboot_is_elf64 (mld->buffer))
-    return grub_multiboot_load_elf64 (mld);
+  if (grub_multiboot_is_elf32 (buffer))
+    return grub_multiboot_load_elf32 (file, filename, buffer);
+  else if (grub_multiboot_is_elf64 (buffer))
+    return grub_multiboot_load_elf64 (file, filename, buffer);

  return grub_error (GRUB_ERR_UNKNOWN_OS, N_("invalid arch-dependent ELF magic"));
 }
--- a/grub-core/loader/multiboot_elfxx.c
+++ b/grub-core/loader/multiboot_elfxx.c
@@ -51,15 +51,11 @@ CONCAT(grub_multiboot_is_elf, XX) (void *buffer)
 }

 static grub_err_t
-CONCAT(grub_multiboot_load_elf, XX) (mbi_load_data_t *mld)
+CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, const char *filename, void *buffer)
 {
-  Elf_Ehdr *ehdr = (Elf_Ehdr *) mld->buffer;
+  Elf_Ehdr *ehdr = (Elf_Ehdr *) buffer;
  char *phdr_base;
-  grub_err_t err;
-  grub_relocator_chunk_t ch;
-  grub_uint32_t load_offset, load_size;
  int i;
-  void *source;

  if (ehdr->e_ident[EI_MAG0] != ELFMAG0
      || ehdr->e_ident[EI_MAG1] != ELFMAG1
@@ -79,86 +75,54 @@ CONCAT(grub_multiboot_load_elf, XX) (mbi_load_data_t *mld)
  if (ehdr->e_phoff + (grub_uint32_t) ehdr->e_phnum * ehdr->e_phentsize > MULTIBOOT_SEARCH)
    return grub_error (GRUB_ERR_BAD_OS, "program header at a too high offset");

-  phdr_base = (char *) mld->buffer + ehdr->e_phoff;
+  phdr_base = (char *) buffer + ehdr->e_phoff;
 #define phdr(i)			((Elf_Phdr *) (phdr_base + (i) * ehdr->e_phentsize))

-  mld->link_base_addr = ~0;
-
-  /* Calculate lowest and highest load address.  */
-  for (i = 0; i < ehdr->e_phnum; i++)
-    if (phdr(i)->p_type == PT_LOAD)
-      {
-	mld->link_base_addr = grub_min (mld->link_base_addr, phdr(i)->p_paddr);
-	highest_load = grub_max (highest_load, phdr(i)->p_paddr + phdr(i)->p_memsz);
-      }
-
-#ifdef MULTIBOOT_LOAD_ELF64
-  if (highest_load >= 0x100000000)
-    return grub_error (GRUB_ERR_BAD_OS, "segment crosses 4 GiB border");
-#endif
-
-  load_size = highest_load - mld->link_base_addr;
-
-  if (mld->relocatable)
-    {
-      if (load_size > mld->max_addr || mld->min_addr > mld->max_addr - load_size)
-	return grub_error (GRUB_ERR_BAD_OS, "invalid min/max address and/or load size");
-
-      err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &ch,
-					      mld->min_addr, mld->max_addr - load_size,
-					      load_size, mld->align ? mld->align : 1,
-					      mld->preference, mld->avoid_efi_boot_services);
-    }
-  else
-    err = grub_relocator_alloc_chunk_addr (grub_multiboot_relocator, &ch,
-					   mld->link_base_addr, load_size);
-
-  if (err)
-    {
-      grub_dprintf ("multiboot_loader", "Cannot allocate memory for OS image\n");
-      return err;
-    }
-
-  mld->load_base_addr = get_physical_target_address (ch);
-  source = get_virtual_current_address (ch);
-
-  grub_dprintf ("multiboot_loader", "link_base_addr=0x%x, load_base_addr=0x%x, "
-		"load_size=0x%x, relocatable=%d\n", mld->link_base_addr,
-		mld->load_base_addr, load_size, mld->relocatable);
-
-  if (mld->relocatable)
-    grub_dprintf ("multiboot_loader", "align=0x%lx, preference=0x%x, avoid_efi_boot_services=%d\n",
-		  (long) mld->align, mld->preference, mld->avoid_efi_boot_services);
-
  /* Load every loadable segment in memory.  */
  for (i = 0; i < ehdr->e_phnum; i++)
    {
      if (phdr(i)->p_type == PT_LOAD)
        {
+	  grub_err_t err;
+	  void *source;
+
+	  if (phdr(i)->p_paddr + phdr(i)->p_memsz > highest_load)
+	    highest_load = phdr(i)->p_paddr + phdr(i)->p_memsz;

 	  grub_dprintf ("multiboot_loader", "segment %d: paddr=0x%lx, memsz=0x%lx, vaddr=0x%lx\n",
 			i, (long) phdr(i)->p_paddr, (long) phdr(i)->p_memsz, (long) phdr(i)->p_vaddr);

-	  load_offset = phdr(i)->p_paddr - mld->link_base_addr;
+	  {
+	    grub_relocator_chunk_t ch;
+	    err = grub_relocator_alloc_chunk_addr (grub_multiboot_relocator, 
+						   &ch, phdr(i)->p_paddr,
+						   phdr(i)->p_memsz);
+	    if (err)
+	      {
+		grub_dprintf ("multiboot_loader", "Error loading phdr %d\n", i);
+		return err;
+	      }
+	    source = get_virtual_current_address (ch);
+	  }

 	  if (phdr(i)->p_filesz != 0)
 	    {
-	      if (grub_file_seek (mld->file, (grub_off_t) phdr(i)->p_offset)
+	      if (grub_file_seek (file, (grub_off_t) phdr(i)->p_offset)
 		  == (grub_off_t) -1)
 		return grub_errno;

-	      if (grub_file_read (mld->file, (grub_uint8_t *) source + load_offset, phdr(i)->p_filesz)
+	      if (grub_file_read (file, source, phdr(i)->p_filesz)
 		  != (grub_ssize_t) phdr(i)->p_filesz)
 		{
 		  if (!grub_errno)
 		    grub_error (GRUB_ERR_FILE_READ_ERROR, N_("premature end of file %s"),
-				mld->filename);
+				filename);
 		  return grub_errno;
 		}
 	    }

          if (phdr(i)->p_filesz < phdr(i)->p_memsz)
-            grub_memset ((grub_uint8_t *) source + load_offset + phdr(i)->p_filesz, 0,
+            grub_memset ((grub_uint8_t *) source + phdr(i)->p_filesz, 0,
 			 phdr(i)->p_memsz - phdr(i)->p_filesz);
        }
    }
@@ -204,18 +168,18 @@ CONCAT(grub_multiboot_load_elf, XX) (mbi_load_data_t *mld)
      if (!shdr)
 	return grub_errno;
      
-      if (grub_file_seek (mld->file, ehdr->e_shoff) == (grub_off_t) -1)
+      if (grub_file_seek (file, ehdr->e_shoff) == (grub_off_t) -1)
 	{
 	  grub_free (shdr);
 	  return grub_errno;
 	}

-      if (grub_file_read (mld->file, shdr, (grub_uint32_t) ehdr->e_shnum * ehdr->e_shentsize)
+      if (grub_file_read (file, shdr, (grub_uint32_t) ehdr->e_shnum * ehdr->e_shentsize)
              != (grub_ssize_t) ehdr->e_shnum * ehdr->e_shentsize)
 	{
 	  if (!grub_errno)
 	    grub_error (GRUB_ERR_FILE_READ_ERROR, N_("premature end of file %s"),
-			mld->filename);
+			filename);
 	  return grub_errno;
 	}
      
@@ -225,9 +189,7 @@ CONCAT(grub_multiboot_load_elf, XX) (mbi_load_data_t *mld)
 	  Elf_Shdr *sh = (Elf_Shdr *) shdrptr;
 	  void *src;
 	  grub_addr_t target;
-
-	  if (mld->mbi_ver >= 2 && (sh->sh_type == SHT_REL || sh->sh_type == SHT_RELA))
-	    return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, "ELF files with relocs are not supported yet");
+	  grub_err_t err;

 	  /* This section is a loaded section,
 	     so we don't care.  */
@@ -238,28 +200,33 @@ CONCAT(grub_multiboot_load_elf, XX) (mbi_load_data_t *mld)
 	  if (sh->sh_size == 0)
 	    continue;

-	  err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &ch, 0,
-						  (0xffffffff - sh->sh_size) + 1,
-						  sh->sh_size, sh->sh_addralign,
-						  GRUB_RELOCATOR_PREFERENCE_NONE,
-						  mld->avoid_efi_boot_services);
-	  if (err)
-	    {
-	      grub_dprintf ("multiboot_loader", "Error loading shdr %d\n", i);
-	      return err;
-	    }
-	  src = get_virtual_current_address (ch);
-	  target = get_physical_target_address (ch);
+	  {
+	    grub_relocator_chunk_t ch;
+	    err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator,
+						    &ch, 0,
+						    (0xffffffff - sh->sh_size)
+						    + 1, sh->sh_size,
+						    sh->sh_addralign,
+						    GRUB_RELOCATOR_PREFERENCE_NONE,
+						    0);
+	    if (err)
+	      {
+		grub_dprintf ("multiboot_loader", "Error loading shdr %d\n", i);
+		return err;
+	      }
+	    src = get_virtual_current_address (ch);
+	    target = get_physical_target_address (ch);
+	  }

-	  if (grub_file_seek (mld->file, sh->sh_offset) == (grub_off_t) -1)
+	  if (grub_file_seek (file, sh->sh_offset) == (grub_off_t) -1)
 	    return grub_errno;

-          if (grub_file_read (mld->file, src, sh->sh_size)
+          if (grub_file_read (file, src, sh->sh_size)
              != (grub_ssize_t) sh->sh_size)
 	    {
 	      if (!grub_errno)
 		grub_error (GRUB_ERR_FILE_READ_ERROR, N_("premature end of file %s"),
-			    mld->filename);
+			    filename);
 	      return grub_errno;
 	    }
 	  sh->sh_addr = target;
--- a/grub-core/loader/multiboot_mbi2.c
+++ b/grub-core/loader/multiboot_mbi2.c
@@ -68,7 +68,6 @@ static grub_size_t elf_sec_num, elf_sec_entsize;
 static unsigned elf_sec_shstrndx;
 static void *elf_sections;
 static int keep_bs = 0;
-static grub_uint32_t load_base_addr;

 void
 grub_multiboot_add_elfsyms (grub_size_t num, grub_size_t entsize,
@@ -102,40 +101,36 @@ find_header (grub_properly_aligned_t *buffer, grub_ssize_t len)
 grub_err_t
 grub_multiboot_load (grub_file_t file, const char *filename)
 {
+  grub_properly_aligned_t *buffer;
  grub_ssize_t len;
  struct multiboot_header *header;
  grub_err_t err;
  struct multiboot_header_tag *tag;
  struct multiboot_header_tag_address *addr_tag = NULL;
-  struct multiboot_header_tag_relocatable *rel_tag;
-  int entry_specified = 0, efi_entry_specified = 0;
-  grub_addr_t entry = 0, efi_entry = 0;
+  int entry_specified = 0;
+  grub_addr_t entry = 0;
  grub_uint32_t console_required = 0;
  struct multiboot_header_tag_framebuffer *fbtag = NULL;
  int accepted_consoles = GRUB_MULTIBOOT_CONSOLE_EGA_TEXT;
-  mbi_load_data_t mld;

-  mld.mbi_ver = 2;
-  mld.relocatable = 0;
-
-  mld.buffer = grub_malloc (MULTIBOOT_SEARCH);
-  if (!mld.buffer)
+  buffer = grub_malloc (MULTIBOOT_SEARCH);
+  if (!buffer)
    return grub_errno;

-  len = grub_file_read (file, mld.buffer, MULTIBOOT_SEARCH);
+  len = grub_file_read (file, buffer, MULTIBOOT_SEARCH);
  if (len < 32)
    {
-      grub_free (mld.buffer);
+      grub_free (buffer);
      return grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), filename);
    }

  COMPILE_TIME_ASSERT (MULTIBOOT_HEADER_ALIGN % 4 == 0);

-  header = find_header (mld.buffer, len);
+  header = find_header (buffer, len);

  if (header == 0)
    {
-      grub_free (mld.buffer);
+      grub_free (buffer);
      return grub_error (GRUB_ERR_BAD_ARGUMENT, "no multiboot header found");
    }

@@ -177,13 +172,10 @@ grub_multiboot_load (grub_file_t file, const char *filename)
 	      case MULTIBOOT_TAG_TYPE_NETWORK:
 	      case MULTIBOOT_TAG_TYPE_EFI_MMAP:
 	      case MULTIBOOT_TAG_TYPE_EFI_BS:
-	      case MULTIBOOT_TAG_TYPE_EFI32_IH:
-	      case MULTIBOOT_TAG_TYPE_EFI64_IH:
-	      case MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR:
 		break;

 	      default:
-		grub_free (mld.buffer);
+		grub_free (buffer);
 		return grub_error (GRUB_ERR_UNKNOWN_OS,
 				   "unsupported information tag: 0x%x",
 				   request_tag->requests[i]);
@@ -200,13 +192,6 @@ grub_multiboot_load (grub_file_t file, const char *filename)
 	entry = ((struct multiboot_header_tag_entry_address *) tag)->entry_addr;
 	break;

-      case MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64:
-#if defined (GRUB_MACHINE_EFI) && defined (__x86_64__)
-	efi_entry_specified = 1;
-	efi_entry = ((struct multiboot_header_tag_entry_address *) tag)->entry_addr;
-#endif
-	break;
-
      case MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS:
 	if (!(((struct multiboot_header_tag_console_flags *) tag)->console_flags
 	    & MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED))
@@ -221,50 +206,27 @@ grub_multiboot_load (grub_file_t file, const char *filename)
 	accepted_consoles |= GRUB_MULTIBOOT_CONSOLE_FRAMEBUFFER;
 	break;

-      case MULTIBOOT_HEADER_TAG_RELOCATABLE:
-	mld.relocatable = 1;
-	rel_tag = (struct multiboot_header_tag_relocatable *) tag;
-	mld.min_addr = rel_tag->min_addr;
-	mld.max_addr = rel_tag->max_addr;
-	mld.align = rel_tag->align;
-	switch (rel_tag->preference)
-	  {
-	  case MULTIBOOT_LOAD_PREFERENCE_LOW:
-	    mld.preference = GRUB_RELOCATOR_PREFERENCE_LOW;
-	    break;
-
-	  case MULTIBOOT_LOAD_PREFERENCE_HIGH:
-	    mld.preference = GRUB_RELOCATOR_PREFERENCE_HIGH;
-	    break;
-
-	  default:
-	    mld.preference = GRUB_RELOCATOR_PREFERENCE_NONE;
-	  }
-	break;
-
 	/* GRUB always page-aligns modules.  */
      case MULTIBOOT_HEADER_TAG_MODULE_ALIGN:
 	break;

      case MULTIBOOT_HEADER_TAG_EFI_BS:
-#ifdef GRUB_MACHINE_EFI
 	keep_bs = 1;
-#endif
 	break;

      default:
 	if (! (tag->flags & MULTIBOOT_HEADER_TAG_OPTIONAL))
 	  {
-	    grub_free (mld.buffer);
+	    grub_free (buffer);
 	    return grub_error (GRUB_ERR_UNKNOWN_OS,
 			       "unsupported tag: 0x%x", tag->type);
 	  }
 	break;
      }

-  if (addr_tag && !entry_specified && !(keep_bs && efi_entry_specified))
+  if (addr_tag && !entry_specified)
    {
-      grub_free (mld.buffer);
+      grub_free (buffer);
      return grub_error (GRUB_ERR_UNKNOWN_OS,
 			 "load address tag without entry address tag");
    }
@@ -273,8 +235,8 @@ grub_multiboot_load (grub_file_t file, const char *filename)
    {
      grub_uint64_t load_addr = (addr_tag->load_addr + 1)
 	? addr_tag->load_addr : (addr_tag->header_addr
-				 - ((char *) header - (char *) mld.buffer));
-      int offset = ((char *) header - (char *) mld.buffer -
+				 - ((char *) header - (char *) buffer));
+      int offset = ((char *) header - (char *) buffer -
 	   (addr_tag->header_addr - load_addr));
      int load_size = ((addr_tag->load_end_addr == 0) ? file->size - offset :
 		       addr_tag->load_end_addr - addr_tag->load_addr);
@@ -287,50 +249,27 @@ grub_multiboot_load (grub_file_t file, const char *filename)
      else
 	code_size = load_size;

-      if (mld.relocatable)
-	{
-	  if (code_size > mld.max_addr || mld.min_addr > mld.max_addr - code_size)
-	    {
-	      grub_free (mld.buffer);
-	      return grub_error (GRUB_ERR_BAD_OS, "invalid min/max address and/or load size");
-	    }
-
-	  err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &ch,
-						  mld.min_addr, mld.max_addr - code_size,
-						  code_size, mld.align ? mld.align : 1,
-						  mld.preference, keep_bs);
-	}
-      else
-	err = grub_relocator_alloc_chunk_addr (grub_multiboot_relocator,
-					       &ch, load_addr, code_size);
+      err = grub_relocator_alloc_chunk_addr (grub_multiboot_relocator, 
+					     &ch, load_addr,
+					     code_size);
      if (err)
 	{
 	  grub_dprintf ("multiboot_loader", "Error loading aout kludge\n");
-	  grub_free (mld.buffer);
+	  grub_free (buffer);
 	  return err;
 	}
-      mld.link_base_addr = load_addr;
-      mld.load_base_addr = get_physical_target_address (ch);
      source = get_virtual_current_address (ch);

-      grub_dprintf ("multiboot_loader", "link_base_addr=0x%x, load_base_addr=0x%x, "
-		    "load_size=0x%lx, relocatable=%d\n", mld.link_base_addr,
-		    mld.load_base_addr, (long) code_size, mld.relocatable);
-
-      if (mld.relocatable)
-	grub_dprintf ("multiboot_loader", "align=0x%lx, preference=0x%x, avoid_efi_boot_services=%d\n",
-		      (long) mld.align, mld.preference, keep_bs);
-
      if ((grub_file_seek (file, offset)) == (grub_off_t) -1)
 	{
-	  grub_free (mld.buffer);
+	  grub_free (buffer);
 	  return grub_errno;
 	}

      grub_file_read (file, source, load_size);
      if (grub_errno)
 	{
-	  grub_free (mld.buffer);
+	  grub_free (buffer);
 	  return grub_errno;
 	}

@@ -340,41 +279,17 @@ grub_multiboot_load (grub_file_t file, const char *filename)
    }
  else
    {
-      mld.file = file;
-      mld.filename = filename;
-      mld.avoid_efi_boot_services = keep_bs;
-      err = grub_multiboot_load_elf (&mld);
+      err = grub_multiboot_load_elf (file, filename, buffer);
      if (err)
 	{
-	  grub_free (mld.buffer);
+	  grub_free (buffer);
 	  return err;
 	}
    }

-  load_base_addr = mld.load_base_addr;
-
-  if (keep_bs && efi_entry_specified)
-    grub_multiboot_payload_eip = efi_entry;
-  else if (entry_specified)
+  if (entry_specified)
    grub_multiboot_payload_eip = entry;

-  if (mld.relocatable)
-    {
-      /*
-       * Both branches are mathematically equivalent. However, it looks
-       * that real life (C?) is more complicated. I am trying to avoid
-       * wrap around here if mld.load_base_addr < mld.link_base_addr.
-       * If you look at C operator precedence then everything should work.
-       * However, I am not 100% sure that a given compiler will not
-       * optimize/break this stuff. So, maybe we should use signed
-       * 64-bit int here.
-       */
-      if (mld.load_base_addr >= mld.link_base_addr)
-	grub_multiboot_payload_eip += mld.load_base_addr - mld.link_base_addr;
-      else
-	grub_multiboot_payload_eip -= mld.link_base_addr - mld.load_base_addr;
-    }
-
  if (fbtag)
    err = grub_multiboot_set_console (GRUB_MULTIBOOT_CONSOLE_FRAMEBUFFER,
 				      accepted_consoles,
@@ -462,7 +377,7 @@ static grub_size_t
 grub_multiboot_get_mbi_size (void)
 {
 #ifdef GRUB_MACHINE_EFI
-  if (!keep_bs && !efi_mmap_size)
+  if (!efi_mmap_size)
    find_efi_mmap_size ();    
 #endif
  return 2 * sizeof (grub_uint32_t) + sizeof (struct multiboot_tag)
@@ -481,16 +396,13 @@ grub_multiboot_get_mbi_size (void)
 		 + grub_get_multiboot_mmap_count ()
 		 * sizeof (struct multiboot_mmap_entry)), MULTIBOOT_TAG_ALIGN)
    + ALIGN_UP (sizeof (struct multiboot_tag_framebuffer), MULTIBOOT_TAG_ALIGN)
+    + ALIGN_UP (sizeof (struct multiboot_tag_efi32), MULTIBOOT_TAG_ALIGN)
+    + ALIGN_UP (sizeof (struct multiboot_tag_efi64), MULTIBOOT_TAG_ALIGN)
    + ALIGN_UP (sizeof (struct multiboot_tag_old_acpi)
 		+ sizeof (struct grub_acpi_rsdp_v10), MULTIBOOT_TAG_ALIGN)
-    + ALIGN_UP (sizeof (struct multiboot_tag_load_base_addr), MULTIBOOT_TAG_ALIGN)
    + acpiv2_size ()
    + net_size ()
 #ifdef GRUB_MACHINE_EFI
-    + ALIGN_UP (sizeof (struct multiboot_tag_efi32), MULTIBOOT_TAG_ALIGN)
-    + ALIGN_UP (sizeof (struct multiboot_tag_efi32_ih), MULTIBOOT_TAG_ALIGN)
-    + ALIGN_UP (sizeof (struct multiboot_tag_efi64), MULTIBOOT_TAG_ALIGN)
-    + ALIGN_UP (sizeof (struct multiboot_tag_efi64_ih), MULTIBOOT_TAG_ALIGN)
    + ALIGN_UP (sizeof (struct multiboot_tag_efi_mmap)
 		+ efi_mmap_size, MULTIBOOT_TAG_ALIGN)
 #endif
@@ -508,7 +420,6 @@ grub_fill_multiboot_mmap_iter (grub_uint64_t addr, grub_uint64_t size,
  (*mmap_entry)->addr = addr;
  (*mmap_entry)->len = size;
  (*mmap_entry)->type = type;
-  (*mmap_entry)->zero = 0;
  (*mmap_entry)++;

  return 0;
@@ -766,15 +677,6 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
 		       % sizeof (grub_properly_aligned_t) == 0);
  ptrorig += (2 * sizeof (grub_uint32_t)) / sizeof (grub_properly_aligned_t);

-  {
-    struct multiboot_tag_load_base_addr *tag = (struct multiboot_tag_load_base_addr *) ptrorig;
-    tag->type = MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR;
-    tag->size = sizeof (struct multiboot_tag_load_base_addr);
-    tag->load_base_addr = load_base_addr;
-    ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-       / sizeof (grub_properly_aligned_t);
-  }
-
  {
    struct multiboot_tag_string *tag = (struct multiboot_tag_string *) ptrorig;
    tag->type = MULTIBOOT_TAG_TYPE_CMDLINE;
@@ -837,13 +739,12 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
      }
  }

-  if (!keep_bs)
-    {
-      struct multiboot_tag_mmap *tag = (struct multiboot_tag_mmap *) ptrorig;
-      grub_fill_multiboot_mmap (tag);
-      ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-	/ sizeof (grub_properly_aligned_t);
-    }
+  {
+    struct multiboot_tag_mmap *tag = (struct multiboot_tag_mmap *) ptrorig;
+    grub_fill_multiboot_mmap (tag);
+    ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
+      / sizeof (grub_properly_aligned_t);
+  }

  {
    struct multiboot_tag_elf_sections *tag
@@ -859,19 +760,18 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
      / sizeof (grub_properly_aligned_t);
  }

-  if (!keep_bs)
-    {
-      struct multiboot_tag_basic_meminfo *tag
-	= (struct multiboot_tag_basic_meminfo *) ptrorig;
-      tag->type = MULTIBOOT_TAG_TYPE_BASIC_MEMINFO;
-      tag->size = sizeof (struct multiboot_tag_basic_meminfo);
+  {
+    struct multiboot_tag_basic_meminfo *tag
+      = (struct multiboot_tag_basic_meminfo *) ptrorig;
+    tag->type = MULTIBOOT_TAG_TYPE_BASIC_MEMINFO;
+    tag->size = sizeof (struct multiboot_tag_basic_meminfo); 

-      /* Convert from bytes to kilobytes.  */
-      tag->mem_lower = grub_mmap_get_lower () / 1024;
-      tag->mem_upper = grub_mmap_get_upper () / 1024;
-      ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-	/ sizeof (grub_properly_aligned_t);
-    }
+    /* Convert from bytes to kilobytes.  */
+    tag->mem_lower = grub_mmap_get_lower () / 1024;
+    tag->mem_upper = grub_mmap_get_upper () / 1024;
+    ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
+       / sizeof (grub_properly_aligned_t);
+  }

  {
    struct grub_net_network_level_interface *net;
@@ -970,57 +870,36 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
    grub_efi_uintn_t efi_desc_size;
    grub_efi_uint32_t efi_desc_version;

+    tag->type = MULTIBOOT_TAG_TYPE_EFI_MMAP;
+    tag->size = sizeof (*tag) + efi_mmap_size;
+
    if (!keep_bs)
+      err = grub_efi_finish_boot_services (&efi_mmap_size, tag->efi_mmap, NULL,
+					   &efi_desc_size, &efi_desc_version);
+    else
      {
-	tag->type = MULTIBOOT_TAG_TYPE_EFI_MMAP;
-	tag->size = sizeof (*tag) + efi_mmap_size;
-
-	err = grub_efi_finish_boot_services (&efi_mmap_size, tag->efi_mmap, NULL,
-					     &efi_desc_size, &efi_desc_version);
-
-	if (err)
-	  return err;
-
-	tag->descr_size = efi_desc_size;
-	tag->descr_vers = efi_desc_version;
-	tag->size = sizeof (*tag) + efi_mmap_size;
-
-	ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-	  / sizeof (grub_properly_aligned_t);
+	if (grub_efi_get_memory_map (&efi_mmap_size, (void *) tag->efi_mmap,
+				     NULL,
+				     &efi_desc_size, &efi_desc_version) <= 0)
+	  err = grub_error (GRUB_ERR_IO, "couldn't retrieve memory map");
      }
+    if (err)
+      return err;
+    tag->descr_size = efi_desc_size;
+    tag->descr_vers = efi_desc_version;
+    tag->size = sizeof (*tag) + efi_mmap_size;
+
+    ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
+      / sizeof (grub_properly_aligned_t);
  }

  if (keep_bs)
    {
-      {
-	struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig;
-	tag->type = MULTIBOOT_TAG_TYPE_EFI_BS;
-	tag->size = sizeof (struct multiboot_tag);
-	ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-	  / sizeof (grub_properly_aligned_t);
-      }
-
-#ifdef __i386__
-      {
-	struct multiboot_tag_efi32_ih *tag = (struct multiboot_tag_efi32_ih *) ptrorig;
-	tag->type = MULTIBOOT_TAG_TYPE_EFI32_IH;
-	tag->size = sizeof (struct multiboot_tag_efi32_ih);
-	tag->pointer = (grub_addr_t) grub_efi_image_handle;
-	ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-	  / sizeof (grub_properly_aligned_t);
-      }
-#endif
-
-#ifdef __x86_64__
-      {
-	struct multiboot_tag_efi64_ih *tag = (struct multiboot_tag_efi64_ih *) ptrorig;
-	tag->type = MULTIBOOT_TAG_TYPE_EFI64_IH;
-	tag->size = sizeof (struct multiboot_tag_efi64_ih);
-	tag->pointer = (grub_addr_t) grub_efi_image_handle;
-	ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
-	  / sizeof (grub_properly_aligned_t);
-      }
-#endif
+      struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig;
+      tag->type = MULTIBOOT_TAG_TYPE_EFI_BS;
+      tag->size = sizeof (struct multiboot_tag);
+      ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
+	/ sizeof (grub_properly_aligned_t);
    }
 #endif

--- a/grub-core/net/bootp.c
+++ b/grub-core/net/bootp.c
@@ -82,7 +82,7 @@ parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask)
 	      grub_memcpy (&gw.ipv4, ptr, sizeof (gw.ipv4));
 	      rname = grub_xasprintf ("%s:default", name);
 	      if (rname)
-		grub_net_add_route_gw (rname, target, gw, NULL);
+		grub_net_add_route_gw (rname, target, gw);
 	      grub_free (rname);
 	    }
 	  break;
@@ -142,7 +142,6 @@ grub_net_configure_by_dhcp_ack (const char *name,
  grub_net_link_level_address_t hwaddr;
  struct grub_net_network_level_interface *inter;
  int mask = -1;
-  char server_ip[sizeof ("xxx.xxx.xxx.xxx")];

  addr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
  addr.ipv4 = bp->your_ip;
@@ -158,9 +157,6 @@ grub_net_configure_by_dhcp_ack (const char *name,
  hwaddr.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;

  inter = grub_net_add_addr (name, card, &addr, &hwaddr, flags);
-  if (!inter)
-    return 0;
-
 #if 0
  /* This is likely based on misunderstanding. gateway_ip refers to
     address of BOOTP relay and should not be used after BOOTP transaction
@@ -193,22 +189,15 @@ grub_net_configure_by_dhcp_ack (const char *name,
  if (size > OFFSET_OF (boot_file, bp))
    grub_env_set_net_property (name, "boot_file", bp->boot_file,
                               sizeof (bp->boot_file));
-  if (bp->server_ip)
-    {
-      grub_snprintf (server_ip, sizeof (server_ip), "%d.%d.%d.%d",
-		     ((grub_uint8_t *) &bp->server_ip)[0],
-		     ((grub_uint8_t *) &bp->server_ip)[1],
-		     ((grub_uint8_t *) &bp->server_ip)[2],
-		     ((grub_uint8_t *) &bp->server_ip)[3]);
-      grub_env_set_net_property (name, "next_server", server_ip, sizeof (server_ip));
-      grub_print_error ();
-    }
-
  if (is_def)
    grub_net_default_server = 0;
  if (is_def && !grub_net_default_server && bp->server_ip)
    {
-      grub_net_default_server = grub_strdup (server_ip);
+      grub_net_default_server = grub_xasprintf ("%d.%d.%d.%d",
+						((grub_uint8_t *) &bp->server_ip)[0],
+						((grub_uint8_t *) &bp->server_ip)[1],
+						((grub_uint8_t *) &bp->server_ip)[2],
+						((grub_uint8_t *) &bp->server_ip)[3]);
      grub_print_error ();
    }

@@ -220,7 +209,11 @@ grub_net_configure_by_dhcp_ack (const char *name,

  if (device && !*device && bp->server_ip)
    {
-      *device = grub_xasprintf ("tftp,%s", server_ip);
+      *device = grub_xasprintf ("tftp,%d.%d.%d.%d",
+				((grub_uint8_t *) &bp->server_ip)[0],
+				((grub_uint8_t *) &bp->server_ip)[1],
+				((grub_uint8_t *) &bp->server_ip)[2],
+				((grub_uint8_t *) &bp->server_ip)[3]);
      grub_print_error ();
    }
  if (size > OFFSET_OF (server_name, bp)
@@ -375,7 +368,6 @@ grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),

  if (grub_strcmp (args[3], "string") == 0)
    {
-      grub_err_t err = GRUB_ERR_NONE;
      char *val = grub_malloc (taglength + 1);
      if (!val)
 	return grub_errno;
@@ -384,9 +376,8 @@ grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
      if (args[0][0] == '-' && args[0][1] == 0)
 	grub_printf ("%s\n", val);
      else
-	err = grub_env_set (args[0], val);
-      grub_free (val);
-      return err;
+	return grub_env_set (args[0], val);
+      return GRUB_ERR_NONE;
    }

  if (grub_strcmp (args[3], "number") == 0)
@@ -408,7 +399,6 @@ grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),

  if (grub_strcmp (args[3], "hex") == 0)
    {
-      grub_err_t err = GRUB_ERR_NONE;
      char *val = grub_malloc (2 * taglength + 1);
      int i;
      if (!val)
@@ -422,9 +412,8 @@ grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
      if (args[0][0] == '-' && args[0][1] == 0)
 	grub_printf ("%s\n", val);
      else
-	err = grub_env_set (args[0], val);
-      grub_free (val);
-      return err;
+	return grub_env_set (args[0], val);
+      return GRUB_ERR_NONE;
    }

  return grub_error (GRUB_ERR_BAD_ARGUMENT,
--- a/grub-core/net/dns.c
+++ b/grub-core/net/dns.c
@@ -238,15 +238,6 @@ recv_hook (grub_net_udp_socket_t sock __attribute__ ((unused)),
  char *redirect_save = NULL;
  grub_uint32_t ttl_all = ~0U;

-  /* Code apparently assumed that only one packet is received as response.
-     We may get multiple responses due to network condition, so check here
-     and quit early. */
-  if (*data->addresses)
-    {
-      grub_netbuff_free (nb);
-      return GRUB_ERR_NONE;
-    }
-
  head = (struct dns_header *) nb->data;
  ptr = (grub_uint8_t *) (head + 1);
  if (ptr >= nb->tail)
--- a/grub-core/net/drivers/ieee1275/ofnet.c
+++ b/grub-core/net/drivers/ieee1275/ofnet.c
@@ -85,30 +85,24 @@ get_card_packet (struct grub_net_card *dev)
  grub_uint64_t start_time;
  struct grub_net_buff *nb;

-  start_time = grub_get_time_ms ();
-  do
-    rc = grub_ieee1275_read (data->handle, dev->rcvbuf, dev->rcvbufsize, &actual);
-  while ((actual <= 0 || rc < 0) && (grub_get_time_ms () - start_time < 200));
-
-  if (actual <= 0)
-    return NULL;
-
-  nb = grub_netbuff_alloc (actual + 2);
+  nb = grub_netbuff_alloc (dev->mtu + 64 + 2);
  if (!nb)
    return NULL;
  /* Reserve 2 bytes so that 2 + 14/18 bytes of ethernet header is divisible
     by 4. So that IP header is aligned on 4 bytes. */
  grub_netbuff_reserve (nb, 2);

-  grub_memcpy (nb->data, dev->rcvbuf, actual);
-
-  if (grub_netbuff_put (nb, actual))
+  start_time = grub_get_time_ms ();
+  do
+    rc = grub_ieee1275_read (data->handle, nb->data, dev->mtu + 64, &actual);
+  while ((actual <= 0 || rc < 0) && (grub_get_time_ms () - start_time < 200));
+  if (actual > 0)
    {
-      grub_netbuff_free (nb);
-      return NULL;
+      grub_netbuff_put (nb, actual);
+      return nb;
    }
-
-  return nb;
+  grub_netbuff_free (nb);
+  return NULL;
 }

 static struct grub_net_card_driver ofdriver =
@@ -157,7 +151,7 @@ grub_ieee1275_parse_bootpath (const char *devpath, char *bootpath,
  grub_net_network_level_address_t client_addr, gateway_addr, subnet_mask;
  grub_net_link_level_address_t hw_addr;
  grub_net_interface_flags_t flags = 0;
-  struct grub_net_network_level_interface *inter = NULL;
+  struct grub_net_network_level_interface *inter;

  hw_addr.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;

@@ -227,7 +221,7 @@ grub_ieee1275_parse_bootpath (const char *devpath, char *bootpath,
      target.ipv4.masksize = 0;
      rname = grub_xasprintf ("%s:default", ((*card)->name));
      if (rname)
-        grub_net_add_route_gw (rname, target, gateway_addr, inter);
+        grub_net_add_route_gw (rname, target, gateway_addr);
      else
        return grub_errno;
    }
@@ -300,91 +294,6 @@ grub_ieee1275_net_config_real (const char *devpath, char **device, char **path,
  }
 }

-/* Allocate memory with alloc-mem */
-static void *
-grub_ieee1275_alloc_mem (grub_size_t len)
-{
-  struct alloc_args
-  {
-    struct grub_ieee1275_common_hdr common;
-    grub_ieee1275_cell_t method;
-    grub_ieee1275_cell_t len;
-    grub_ieee1275_cell_t catch;
-    grub_ieee1275_cell_t result;
-  }
-  args;
-
-  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
-    {
-      grub_error (GRUB_ERR_UNKNOWN_COMMAND, N_("interpret is not supported"));
-      return NULL;
-    }
-
-  INIT_IEEE1275_COMMON (&args.common, "interpret", 2, 2);
-  args.len = len;
-  args.method = (grub_ieee1275_cell_t) "alloc-mem";
-
-  if (IEEE1275_CALL_ENTRY_FN (&args) == -1 || args.catch)
-    {
-      grub_error (GRUB_ERR_INVALID_COMMAND, N_("alloc-mem failed"));
-      return NULL;
-    }
-  else
-    return (void *)args.result;
-}
-
-/* Free memory allocated by alloc-mem */
-static grub_err_t
-grub_ieee1275_free_mem (void *addr, grub_size_t len)
-{
-  struct free_args
-  {
-    struct grub_ieee1275_common_hdr common;
-    grub_ieee1275_cell_t method;
-    grub_ieee1275_cell_t len;
-    grub_ieee1275_cell_t addr;
-    grub_ieee1275_cell_t catch;
-  }
-  args;
-
-  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
-    {
-      grub_error (GRUB_ERR_UNKNOWN_COMMAND, N_("interpret is not supported"));
-      return grub_errno;
-    }
-
-  INIT_IEEE1275_COMMON (&args.common, "interpret", 3, 1);
-  args.addr = (grub_ieee1275_cell_t)addr;
-  args.len = len;
-  args.method = (grub_ieee1275_cell_t) "free-mem";
-
-  if (IEEE1275_CALL_ENTRY_FN(&args) == -1 || args.catch)
-    {
-      grub_error (GRUB_ERR_INVALID_COMMAND, N_("free-mem failed"));
-      return grub_errno;
-    }
-
-  return GRUB_ERR_NONE;
-}
-
-static void *
-ofnet_alloc_netbuf (grub_size_t len)
-{
-  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_VIRT_TO_REAL_BROKEN))
-    return grub_ieee1275_alloc_mem (len);
-  else
-    return grub_zalloc (len);
-}
-
-static void
-ofnet_free_netbuf (void *addr, grub_size_t len)
-{
-  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_VIRT_TO_REAL_BROKEN))
-    grub_ieee1275_free_mem (addr, len);
-  else
-    grub_free (addr);
-}
-
 static int
 search_net_devices (struct grub_ieee1275_devalias *alias)
 {
@@ -500,19 +409,40 @@ search_net_devices (struct grub_ieee1275_devalias *alias)
  card->default_address = lla;

  card->txbufsize = ALIGN_UP (card->mtu, 64) + 256;
-  card->rcvbufsize = ALIGN_UP (card->mtu, 64) + 256;

-  card->txbuf = ofnet_alloc_netbuf (card->txbufsize);
-  if (!card->txbuf)
-    goto fail_netbuf;
-
-  card->rcvbuf = ofnet_alloc_netbuf (card->rcvbufsize);
-  if (!card->rcvbuf)
+  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_VIRT_TO_REAL_BROKEN))
    {
-      grub_error_push ();
-      ofnet_free_netbuf (card->txbuf, card->txbufsize);
-      grub_error_pop ();
-      goto fail_netbuf;
+      struct alloc_args
+      {
+	struct grub_ieee1275_common_hdr common;
+	grub_ieee1275_cell_t method;
+	grub_ieee1275_cell_t len;
+	grub_ieee1275_cell_t catch;
+	grub_ieee1275_cell_t result;
+      }
+      args;
+      INIT_IEEE1275_COMMON (&args.common, "interpret", 2, 2);
+      args.len = card->txbufsize;
+      args.method = (grub_ieee1275_cell_t) "alloc-mem";
+
+      if (IEEE1275_CALL_ENTRY_FN (&args) == -1
+	  || args.catch)
+	{
+	  card->txbuf = 0;
+	  grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
+	}
+      else
+	card->txbuf = (void *) args.result;
+    }
+  else
+    card->txbuf = grub_zalloc (card->txbufsize);
+  if (!card->txbuf)
+    {
+      grub_free (ofdata->path);
+      grub_free (ofdata);
+      grub_free (card);
+      grub_print_error ();
+      return 0;
    }
  card->driver = NULL;
  card->data = ofdata;
@@ -525,13 +455,6 @@ search_net_devices (struct grub_ieee1275_devalias *alias)
  card->driver = &ofdriver;
  grub_net_card_register (card);
  return 0;
-
-fail_netbuf:
-  grub_free (ofdata->path);
-  grub_free (ofdata);
-  grub_free (card);
-  grub_print_error ();
-  return 0;
 }

 static void
--- a/grub-core/net/http.c
+++ b/grub-core/net/http.c
@@ -381,8 +381,9 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial)
      ptr = nb->tail;
      grub_snprintf ((char *) ptr,
 		     sizeof ("Range: bytes=XXXXXXXXXXXXXXXXXXXX-"
+			     "\r\n"
 			     "\r\n"),
-		     "Range: bytes=%" PRIuGRUB_UINT64_T "-\r\n",
+		     "Range: bytes=%" PRIuGRUB_UINT64_T "-\r\n\r\n",
 		     offset);
      grub_netbuff_put (nb, grub_strlen ((char *) ptr));
    }
@@ -449,7 +450,6 @@ http_seek (struct grub_file *file, grub_off_t off)
    }

  file->device->net->stall = 0;
-  file->device->net->eof = 0;
  file->device->net->offset = off;

  data = grub_zalloc (sizeof (*data));
--- a/grub-core/net/icmp6.c
+++ b/grub-core/net/icmp6.c
@@ -115,7 +115,6 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 			    grub_uint8_t ttl)
 {
  struct icmp_header *icmph;
-  struct grub_net_network_level_interface *orig_inf = inf;
  grub_err_t err;
  grub_uint16_t checksum;

@@ -346,31 +345,14 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
      {
 	grub_uint8_t *ptr;
 	struct option_header *ohdr;
-	struct router_adv *radv;
-	struct grub_net_network_level_interface *route_inf = NULL;
-	int default_route = 0;
 	if (icmph->code)
 	  break;
-	radv = (struct router_adv *)nb->data;
 	err = grub_netbuff_pull (nb, sizeof (struct router_adv));
 	if (err)
 	  {
 	    grub_netbuff_free (nb);
 	    return err;
 	  }
-	if (grub_be_to_cpu16 (radv->router_lifetime) > 0)
-	  {
-	    struct grub_net_route *route;
-
-	    FOR_NET_ROUTES (route)
-	    {
-	      if (!grub_memcmp (&route->gw, source, sizeof (route->gw)))
-		break;
-	    }
-	    if (route == NULL)
-	      default_route = 1;
-	  }
-
 	for (ptr = (grub_uint8_t *) nb->data; ptr < nb->tail;
 	     ptr += ohdr->len * 8)
 	  {
@@ -431,11 +413,7 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 		    /* Update lease time if needed here once we have
 		       lease times.  */
 		    if (inf)
-		      {
-			if (!route_inf)
-			  route_inf = inf;
-			continue;
-		      }
+		      continue;

 		    grub_dprintf ("net", "creating slaac\n");

@@ -451,51 +429,12 @@ grub_net_recv_icmp6_packet (struct grub_net_buff *nb,
 		      inf = grub_net_add_addr (name, 
 					       card, &addr,
 					       &slaac->address, 0);
-		      if (!route_inf)
-			route_inf = inf;
 		      grub_net_add_route (name, netaddr, inf);
 		      grub_free (name);
 		    }
 		  }
 	      }
 	  }
-	if (default_route)
-	  {
-	    char *name;
-	    grub_net_network_level_netaddress_t netaddr;
-	    name = grub_xasprintf ("%s:ra:default6", card->name);
-	    if (!name)
-	      {
-		grub_errno = GRUB_ERR_NONE;
-		goto next;
-	      }
-	    /* Default routes take alll of the traffic, so make the mask huge */
-	    netaddr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
-	    netaddr.ipv6.masksize = 0;
-	    netaddr.ipv6.base[0] = 0;
-	    netaddr.ipv6.base[1] = 0;
-
-	    /* May not have gotten slaac info, find a global address on this
-	      card.  */
-	    if (route_inf == NULL)
-	      {
-		FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
-		{
-		  if (inf->card == card && inf != orig_inf
-		      && inf->address.type == GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6
-		      && grub_net_hwaddr_cmp(&inf->hwaddress,
-					     &orig_inf->hwaddress) == 0)
-		    {
-		      route_inf = inf;
-		      break;
-		    }
-		}
-	      }
-	    if (route_inf != NULL)
-	      grub_net_add_route_gw (name, netaddr, *source, route_inf);
-	    grub_free (name);
-	  }
-next:
 	if (ptr != nb->tail)
 	  break;
      }
--- a/grub-core/net/ip.c
+++ b/grub-core/net/ip.c
@@ -363,9 +363,7 @@ static void
 free_old_fragments (void)
 {
  struct reassemble *rsm, **prev;
-  grub_uint64_t limit_time = grub_get_time_ms ();
-
-  limit_time = (limit_time > 90000) ? limit_time - 90000 : 0;
+  grub_uint64_t limit_time = grub_get_time_ms () - 90000;

  for (prev = &reassembles, rsm = *prev; rsm; rsm = *prev)
    if (rsm->last_time < limit_time)
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -37,6 +37,21 @@ GRUB_MOD_LICENSE ("GPLv3+");

 char *grub_net_default_server;

+struct grub_net_route
+{
+  struct grub_net_route *next;
+  struct grub_net_route **prev;
+  grub_net_network_level_netaddress_t target;
+  char *name;
+  struct grub_net_network_level_protocol *prot;
+  int is_gateway;
+  union
+  {
+    struct grub_net_network_level_interface *interface;
+    grub_net_network_level_address_t gw;
+  };
+};
+
 struct grub_net_route *grub_net_routes = NULL;
 struct grub_net_network_level_interface *grub_net_network_level_interfaces = NULL;
 struct grub_net_card *grub_net_cards = NULL;
@@ -395,6 +410,14 @@ grub_cmd_ipv6_autoconf (struct grub_command *cmd __attribute__ ((unused)),
  return err;
 }

+static inline void
+grub_net_route_register (struct grub_net_route *route)
+{
+  grub_list_push (GRUB_AS_LIST_P (&grub_net_routes),
+		  GRUB_AS_LIST (route));
+}
+
+#define FOR_NET_ROUTES(var) for (var = grub_net_routes; var; var = var->next)

 static int
 parse_ip (const char *val, grub_uint32_t *ip, const char **rest)
@@ -501,8 +524,6 @@ match_net (const grub_net_network_level_netaddress_t *net,
    case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6:
      {
 	grub_uint64_t mask[2];
-	if (net->ipv6.masksize == 0)
-	  return 1;
 	if (net->ipv6.masksize <= 64)
 	  {
 	    mask[0] = 0xffffffffffffffffULL << (64 - net->ipv6.masksize);
@@ -666,14 +687,7 @@ grub_net_route_address (grub_net_network_level_address_t addr,
 	  return GRUB_ERR_NONE;
 	}
      if (depth == 0)
-	{
-	  *gateway = bestroute->gw;
-	  if (bestroute->interface != NULL)
-	    {
-	      *interf = bestroute->interface;
-	      return GRUB_ERR_NONE;
-	    }
-	}
+	*gateway = bestroute->gw;
      curtarget = bestroute->gw;
    }

@@ -1095,8 +1109,7 @@ grub_net_add_route (const char *name,
 grub_err_t
 grub_net_add_route_gw (const char *name,
 		       grub_net_network_level_netaddress_t target,
-		       grub_net_network_level_address_t gw,
-		       struct grub_net_network_level_interface *inter)
+		       grub_net_network_level_address_t gw)
 {
  struct grub_net_route *route;

@@ -1114,7 +1127,6 @@ grub_net_add_route_gw (const char *name,
  route->target = target;
  route->is_gateway = 1;
  route->gw = gw;
-  route->interface = inter;

  grub_net_route_register (route);

@@ -1140,7 +1152,7 @@ grub_cmd_addroute (struct grub_command *cmd __attribute__ ((unused)),
      err = grub_net_resolve_address (args[3], &gw);
      if (err)
 	return err;
-      return grub_net_add_route_gw (args[0], target, gw, NULL);
+      return grub_net_add_route_gw (args[0], target, gw);
    }
  else
    {
@@ -1346,15 +1358,6 @@ grub_net_open_real (const char *name)
 		continue;
 	    }

-	  if (grub_strncmp (prefdev, "pxe", sizeof ("pxe") - 1) == 0 &&
-	      (!prefdev[sizeof ("pxe") - 1] || (prefdev[sizeof("pxe") - 1] == ':')))
-	    {
-	      grub_free (prefdev);
-	      prefdev = grub_strdup ("tftp");
-	      if (!prefdev)
-		continue;
-	    }
-
 	  comma = grub_strchr (prefdev, ',');
 	  if (comma)
 	    *comma = '\0';
@@ -1681,7 +1684,6 @@ grub_net_seek_real (struct grub_file *file, grub_off_t offset)
    file->device->net->packs.last = NULL;
    file->device->net->offset = 0;
    file->device->net->eof = 0;
-    file->device->net->stall = 0;
    err = file->device->net->protocol->open (file, file->device->net->name);
    if (err)
      return err;
--- a/grub-core/normal/charset.c
+++ b/grub-core/normal/charset.c
@@ -1144,16 +1144,6 @@ grub_bidi_line_logical_to_visual (const grub_uint32_t *logical,
  }
 }

-static int
-is_visible (const struct grub_unicode_glyph *gl)
-{
-  if (gl->ncomb)
-    return 1;
-  if (gl->base == GRUB_UNICODE_LRM || gl->base == GRUB_UNICODE_RLM)
-    return 0;
-  return 1;
-}
-
 grub_ssize_t
 grub_bidi_logical_to_visual (const grub_uint32_t *logical,
 			     grub_size_t logical_len,
@@ -1174,7 +1164,6 @@ grub_bidi_logical_to_visual (const grub_uint32_t *logical,
      if (ptr == logical + logical_len || *ptr == '\n')
 	{
 	  grub_ssize_t ret;
-	  grub_ssize_t i, j;
 	  ret = grub_bidi_line_logical_to_visual (line_start,
 						  ptr - line_start,
 						  visual_ptr,
@@ -1193,10 +1182,7 @@ grub_bidi_logical_to_visual (const grub_uint32_t *logical,
 	      grub_free (*visual_out);
 	      return ret;
 	    }
-	  for (i = 0, j = 0; i < ret; i++)
-	    if (is_visible(&visual_ptr[i]))
-	      visual_ptr[j++] = visual_ptr[i];
-	  visual_ptr += j;
+	  visual_ptr += ret; 
 	  line_start = ptr;
 	  if (ptr != logical + logical_len)
 	    {
--- a/grub-core/normal/menu_entry.c
+++ b/grub-core/normal/menu_entry.c
@@ -254,8 +254,6 @@ update_screen (struct screen *screen, struct per_term_screen *term_screen,
      mode = ALL_LINES;
    }

-  grub_term_setcursor (term_screen->term, 0);
-
  if (mode != NO_LINE)
    {
      /* Draw lines. This code is tricky, because this must calculate logical
@@ -363,8 +361,6 @@ update_screen (struct screen *screen, struct per_term_screen *term_screen,

    }

-  grub_term_setcursor (term_screen->term, 1);
-
  grub_term_refresh (term_screen->term);
 }

--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Vladimir Serbinenko	6e4e4ee33f	dwc2 counterpart of previous patch	2016-03-01 20:09:54 +01:00
Vladimir Serbinenko	e1444e5399	Rename portstatus to reset_port. The way we currently use portstatus always uses enable=1 and we use it for its reset side effect. Change confusing name and remove unused parameter.	2016-03-01 20:09:47 +01:00
Vladimir Serbinenko	ef57ad6164	detect_dev	2016-03-01 19:59:52 +01:00
Vladimir Serbinenko	72bd5756af	dwc2 skeleton	2016-02-27 16:15:43 +01:00
Vladimir Serbinenko	295e041189	clone ehci to dwc1	2016-02-25 19:55:39 +01:00
Vladimir Serbinenko	3f6f84f9e0	fix mkimage.c split	2016-02-25 19:52:46 +01:00
Vladimir Serbinenko	9f8f747605	usbtrans: Fix memory coherence	2016-02-23 12:07:01 +01:00
Vladimir Serbinenko	102016960d	ehci: Fix memory coherence	2016-02-23 12:06:48 +01:00
Vladimir Serbinenko	07cd46627b	arm: implement grub_arch_sync_dma_caches	2016-02-23 12:06:00 +01:00
Vladimir Serbinenko	9e161d1302	Make dma_caches accept volatile	2016-02-23 11:45:29 +01:00
Vladimir Serbinenko	06c92907c1	cros fix	2016-02-23 11:26:35 +01:00
Vladimir Serbinenko	74cef4ab78	cleaner	2016-02-23 10:19:26 +01:00
Vladimir Serbinenko	f4116c3a42	Decrease frame timeout	2016-02-23 10:15:05 +01:00
Vladimir Serbinenko	2d56c1b117	cleaner	2016-02-23 09:52:08 +01:00
Vladimir Serbinenko	1f72ca020d	cleaner	2016-02-23 09:50:43 +01:00
Vladimir Serbinenko	3d300d7247	cleaner	2016-02-23 09:43:57 +01:00
Vladimir Serbinenko	03104c2d98	always use older cros protocol. We don't realy need new one	2016-02-23 09:42:09 +01:00
Vladimir Serbinenko	40562ddf1e	cros e0 fix	2016-02-22 21:12:50 +01:00
Vladimir Serbinenko	1ea06af1ae	EHCI FDT missing file	2016-02-22 20:40:16 +01:00
Vladimir Serbinenko	df21b9363d	cleaner	2016-02-22 19:44:39 +01:00
Vladimir Serbinenko	8efde40d0c	cleaner	2016-02-22 19:44:09 +01:00
Vladimir Serbinenko	d624e04af1	cleaner	2016-02-22 19:39:30 +01:00
Vladimir Serbinenko	bbd85a0292	cleaner	2016-02-22 19:38:26 +01:00
Vladimir Serbinenko	4f06545767	cleaner	2016-02-22 19:37:37 +01:00
Vladimir Serbinenko	66d0e16425	cleaner	2016-02-22 19:35:46 +01:00
Vladimir Serbinenko	a98c706755	cleaner	2016-02-22 19:35:16 +01:00
Vladimir Serbinenko	95f663ec1d	cleaner	2016-02-22 19:34:30 +01:00
Vladimir Serbinenko	2b2a338ad6	cleaner	2016-02-22 19:33:34 +01:00
Vladimir Serbinenko	6c9512b610	cleaner	2016-02-22 19:33:13 +01:00
Vladimir Serbinenko	f447b3d2bb	Dirty cros keyboard import	2016-02-22 19:29:47 +01:00
Vladimir Serbinenko	295fe6c548	Dirty cros keyboard	2016-02-22 19:29:08 +01:00
Vladimir Serbinenko	9cd85f276f	frequency	2016-02-22 03:34:35 +01:00
Vladimir Serbinenko	502a7c48e9	ARM caches	2016-02-22 03:34:16 +01:00
Vladimir Serbinenko	418b32f8e9	EHCI reset fix	2016-02-22 03:33:59 +01:00
Vladimir Serbinenko	98490fc328	DMA split	2016-02-22 03:33:18 +01:00
Vladimir Serbinenko	3625fdc0b9	Improve EHCI logging	2016-02-22 03:32:50 +01:00
Vladimir Serbinenko	1ec2b7758b	ehci split fixup	2016-02-22 03:28:10 +01:00
Vladimir Serbinenko	f51e8d0dda	coreboot	2016-02-22 03:27:39 +01:00
Vladimir Serbinenko	ee52ea80d6	Remove useless include	2016-02-22 03:25:50 +01:00
Vladimir Serbinenko	c55f74a5c5	ehci split	2016-02-22 01:08:27 +01:00
Vladimir Serbinenko	3b1bb7f3eb	DTB overrides	2016-02-22 00:05:40 +01:00
Vladimir Serbinenko	0b71582111	coreboot	2016-02-21 20:28:10 +01:00
Vladimir Serbinenko	dc491ff04a	fdtbus	2016-02-21 20:27:50 +01:00
Vladimir Serbinenko	192243b13e	Out-of-place FDT handling	2016-02-21 20:27:28 +01:00
Vladimir Serbinenko	0f3ae7324a	fdt	2016-02-21 19:48:57 +01:00
Vladimir Serbinenko	ab8770a314	pre-located image for veyron	2016-02-21 19:28:56 +01:00
Vladimir Serbinenko	f2df41cffa	coreboot	2016-02-21 19:28:40 +01:00
Vladimir Serbinenko	b0227ce4b9	fdt: relax align requirement	2016-02-21 19:28:23 +01:00
Vladimir Serbinenko	f900bea454	coreboot	2016-02-21 18:59:14 +01:00
Vladimir Serbinenko	dc51ac70ee	switch to layout	2016-02-21 18:47:29 +01:00
Vladimir Serbinenko	869a0bc476	coreboot	2016-02-21 18:44:55 +01:00
Vladimir Serbinenko	f9ee0c3e5d	Simplify reloc	2016-02-21 18:44:18 +01:00
Vladimir Serbinenko	8af26e386c	coreboot reloc	2016-02-21 18:42:35 +01:00
Vladimir Serbinenko	78e9b82d2c	coreboot memory before _start	2016-02-21 18:41:39 +01:00
Vladimir Serbinenko	86139504b7	pl050	2016-02-21 01:53:44 +01:00
Vladimir Serbinenko	35c1d629f9	fdtbus	2016-02-21 01:53:07 +01:00
Vladimir Serbinenko	bacb8f911f	coreboot	2016-02-21 00:05:38 +01:00
Vladimir Serbinenko	fbda565356	fdt	2016-02-21 00:05:21 +01:00
Vladimir Serbinenko	598185f806	fdtbus	2016-02-21 00:04:18 +01:00
Vladimir Serbinenko	ca2fd6c93f	ps2 split	2016-02-20 18:45:42 +01:00
Vladimir Serbinenko	a29fb4722c	coreboot	2016-02-20 16:26:23 +01:00
Vladimir Serbinenko	7562f4ab53	bus fdt improvements	2016-02-20 16:25:39 +01:00
Vladimir Serbinenko	c7d0aa5450	fdtbus	2016-02-20 14:30:43 +01:00
Vladimir Serbinenko	ceb68c6648	missing files	2016-02-20 14:29:01 +01:00
Vladimir Serbinenko	99291427d2	fdtlib	2016-02-20 14:28:37 +01:00
Vladimir Serbinenko	6ffee98e1b	Useless fdt.lst	2016-02-20 14:22:34 +01:00
Vladimir Serbinenko	a6649f5b8e	FDT lib improvements	2016-02-20 12:30:06 +01:00
Vladimir Serbinenko	c3c14cffef	refresh before abort	2016-02-20 09:12:15 +01:00
Vladimir Serbinenko	84939af253	generic timer safeguard	2016-02-20 09:12:02 +01:00
Vladimir Serbinenko	ba6d40e8bb	WIP2	2016-02-19 16:47:36 +01:00
Vladimir Serbinenko	2c3a054f4f	WIP	2016-02-19 12:41:50 +01:00
Vladimir Serbinenko	b8eda96422	rename	2016-02-19 12:17:56 +01:00
Vladimir Serbinenko	ca3962ca7b	fix relocate	2016-02-19 12:17:20 +01:00
Vladimir Serbinenko	a4f7d77f7d	fs	2016-02-19 04:48:50 +01:00
Vladimir Serbinenko	5099975ace	fd	2016-02-19 04:48:17 +01:00
Vladimir Serbinenko	2f98d7648e	Move cbfb	2016-02-19 04:47:02 +01:00
Vladimir Serbinenko	018e382144	decouple	2016-02-19 04:31:59 +01:00
Vladimir Serbinenko	f5cba79512	Declare arm-coreboot	2016-02-19 03:24:49 +01:00
Vladimir Serbinenko	46569db585	arm-uboot: Make self-relocatable to allow loading at any address	2016-02-19 03:22:10 +01:00
Vladimir Serbinenko	575c7a6e3c	Allow _start == 0 with relocatable images	2016-02-19 02:03:28 +01:00
Vladimir Serbinenko	fc489a889d	Provide __bss_start and _end symbols in grub-mkimage. For this ensure that all bss sections are merged.	2016-02-19 02:02:50 +01:00
Vladimir Serbinenko	bfb517bc3b	encapsulate	2016-02-19 01:58:11 +01:00
Vladimir Serbinenko	437dba573f	Remove useless ifdef	2016-02-19 01:28:16 +01:00
Vladimir Serbinenko	974ba94330	mkimagexx: Split PE and generic part.	2016-02-19 01:14:12 +01:00
Vladimir Serbinenko	963d21b76c	file split	2016-02-19 01:14:12 +01:00