Load kernel image to the VM

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

kvm.c

@@ -1,5 +1,3 @@
-#include "kvm/cpu.h"
-
 #include <linux/kvm.h>
 #include <inttypes.h>
 #include <sys/mman.h>
@@ -114,6 +112,10 @@ static void kvm__run(struct kvm *self)
 		die("KVM_RUN");
 }
 
+static void kvm__load_kernel(struct kvm *kvm, const char *kernel_filename)
+{
+}
+
 static const char *exit_reasons[] = {
 	[KVM_EXIT_UNKNOWN]		= "unknown",
 	[KVM_EXIT_EXCEPTION]		= "exception",
@@ -135,17 +137,26 @@ static const char *exit_reasons[] = {
 	[KVM_EXIT_INTERNAL_ERROR]	= "internal error",
 };
 
+static void usage(char *argv[])
+{
+	fprintf(stderr, "  usage: %s <kernel-image>\n", argv[0]);
+	exit(1);
+}
+
 int main(int argc, char *argv[])
 {
-	struct cpu *cpu;
+	const char *kernel_filename;
 	struct kvm *kvm;
 	int ret;
 
+	if (argc < 2)
+		usage(argv);
+
+	kernel_filename = argv[1];
+
 	kvm = kvm__init();
 
-	cpu = cpu__new();
-
-	cpu__reset(cpu);
+	kvm__load_kernel(kvm, kernel_filename);
 
 	kvm__run(kvm);