e0ace167ef
1. Support Xuantie R908/c920v3, more cpu can be list by -cpu help option. 2. Align to git commit 62dbe54c24dbf77051bafe1039c31ddc8f37602d(9.0.0-rc4)
614 lines
18 KiB
C
614 lines
18 KiB
C
/*
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* CSKY trace
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*
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* Copyright (c) 2024 Alibaba Group. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "exec/tracestub.h"
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#include "exec/helper-proto.h"
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static uint32_t csky_trace_insn_seg;
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static uint32_t csky_trace_data_seg;
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#ifdef TARGET_RISCV
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bool csky_trace_elf_start;
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#endif
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inline bool gen_mem_trace(void)
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{
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if (tfilter.enable) {
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#ifdef TARGET_RISCV
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if (!csky_trace_elf_start) {
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return false;
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}
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#endif
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if (tfilter.event & TRACE_EVENT_DATA) {
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return true;
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}
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}
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return false;
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}
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inline bool gen_tb_trace(void)
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{
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if (tfilter.enable) {
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if (tfilter.event & TRACE_EVENT_INSN) {
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return true;
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}
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}
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return false;
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}
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inline bool gen_x_vf_trace(void)
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{
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if (tfilter.enable) {
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if (tfilter.event & TRACE_EVENT_X_VF) {
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return true;
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}
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}
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return false;
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}
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inline bool gen_x_lmul_trace(void)
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{
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if (tfilter.enable) {
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if (tfilter.event & TRACE_EVENT_X_LMUL) {
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return true;
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}
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}
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return false;
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}
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static inline uint32_t csky_trace_get_addr_base(target_ulong addr)
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{
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if (sizeof(target_ulong) == 8) {
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return (uint64_t)addr >> 32;
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}
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return 0;
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}
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static inline uint32_t csky_trace_get_addr_offset(target_ulong addr)
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{
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if (sizeof(target_ulong) == 8) {
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return extract64(addr, 0, 32);
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}
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return addr;
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}
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static inline void csky_trace_send_base(uint32_t *base, uint8_t type,
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target_ulong addr)
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{
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int packlen = 0;
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uint32_t addr_base;
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packlen = 2 * sizeof(uint8_t) + sizeof(uint32_t);
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addr_base = csky_trace_get_addr_base(addr);
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if (addr_base != *base) {
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*base = addr_base;
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write_trace_8_8(type, packlen, sizeof(uint8_t), addr_base);
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}
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return;
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}
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static bool stsp_range_match(target_ulong pc, target_ulong smask)
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{
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struct trace_range *tr = NULL;
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int i;
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if (tfilter.stsp_num == 0) {
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if (smask == 0) {
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return true;
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} else {
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return false;
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}
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}
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for (i = 0; i < tfilter.stsp_num; i++) {
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tr = &tfilter.stsp_range[i];
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if (smask != 0) {
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if ((tr->start & smask ) == pc) {
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tr->start = pc;
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return true;
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} else if ((tr->end & smask) ==pc) {
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tr->end = pc;
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return true;
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} else {
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return false;
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}
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}
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if (tfilter.sstsp == STSP_EXIT) {
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if (tr->start == pc) {
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tfilter.sstsp = STSP_START;
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return true;
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}
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return false;
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} else if (tfilter.sstsp == STSP_START) {
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if (tr->end == pc) {
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tfilter.sstsp = STSP_EXIT;
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return false;
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}
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return true;
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} else {
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return false;
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}
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}
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return false;
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}
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static bool addr_range_match(target_ulong pc, target_ulong smask)
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{
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struct trace_range *tr = NULL;
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int i;
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if (tfilter.addr_num == 0) {
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if (smask == 0) {
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return true;
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} else {
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return false;
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}
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}
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for (i = 0; i < tfilter.addr_num; i++) {
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tr = &tfilter.addr_range[i];
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if (smask != 0) {
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if ((tr->start & smask ) == pc) {
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tr->start = pc;
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return true;
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} else if ((tr->end & smask) == pc) {
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tr->end = pc;
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return true;
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} else {
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return false;
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}
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}
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if ((tr->start <= pc) && (tr->end > pc)) {
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return true;
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}
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}
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return false;
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}
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static bool data_range_match(target_ulong pc, target_ulong value)
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{
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if (tfilter.data_num == 0) {
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return true;
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}
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#ifdef TARGET_CSKY
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for (int i = 0; i < tfilter.data_num; i++) {
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struct trace_data *td = &tfilter.data_range[i];
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struct trace_range *tr = &td->data_addr;
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if ((tr->start <= pc) && (tr->end > pc)) {
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if (td->mode == TRACE_VALUE_SINGLE) {
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if (td->min == value) {
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return true;
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}
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} else if (td->mode == TRACE_VALUE_RANGE) {
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if ((td->min <= value) && (td->max > value)) {
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return true;
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}
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}
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}
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}
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#endif
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return false;
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}
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bool trace_range_test(void *cpu, uint32_t pc, uint32_t smask)
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{
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bool result = false;
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result = stsp_range_match(pc, smask);
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result |= addr_range_match(pc, smask);
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return result;
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}
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static int addr_trace_filter(CPUArchState *env, target_ulong pc)
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{
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int result = 0;
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#ifdef TARGET_CSKY
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if (tfilter.enable) {
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if (tfilter.asid & TRACE_ASID_ENABLE_MASK) {
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if (ENV_GET_MMU(env)) {
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if (tfilter.asid != ENV_GET_ASID(env)) {
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return result;
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}
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}
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}
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if (stsp_range_match(pc, 0)) {
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result |= STSP_RANGE_MATCH;
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if (addr_range_match(pc, 0)) {
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result |= ADDR_RANGE_MATCH;
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}
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}
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}
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#elif TARGET_RISCV
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if (tfilter.enable) {
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if (stsp_range_match(pc, 0)) {
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result |= STSP_RANGE_MATCH;
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}
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result |= ADDR_RANGE_MATCH;
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}
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#endif
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return result;
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}
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static int data_trace_filter(CPUArchState *env,
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target_ulong pc, target_ulong addr, target_ulong value)
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{
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int result = 0;
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if (tfilter.enable) {
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#ifdef TARGET_CSKY
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if (tfilter.asid & TRACE_ASID_ENABLE_MASK) {
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if (ENV_GET_MMU(env)) {
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if (tfilter.asid != ENV_GET_ASID(env)) {
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return result;
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}
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}
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}
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#endif
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if (stsp_range_match(pc, 0)) {
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result |= STSP_RANGE_MATCH;
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if (addr_range_match(addr, 0)) {
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result |= ADDR_RANGE_MATCH;
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}
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if (data_range_match(addr, value)) {
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result |= DATA_RANGE_MATCH;
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}
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}
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}
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return result;
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}
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//#define CSKY_TRACE_DEBUG
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#ifdef CSKY_TRACE_DEBUG
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static int sync_trace_count;
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#endif
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void helper_csky_trace_icount(CPUArchState *env, target_ulong tb_pc, uint32_t icount)
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{
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static long long total_csky_trace_icount;
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static long long last_csky_trace_icount;
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total_csky_trace_icount += icount;
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if ((total_csky_trace_icount - last_csky_trace_icount) > INSN_PER_PACKET) {
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#ifdef CSKY_TRACE_DEBUG
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if (sync_trace_count % 100 == 0) {
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fprintf(stderr, ".");
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fflush(stderr);
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}
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sync_trace_count++;
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#endif
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trace_send();
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last_csky_trace_icount = total_csky_trace_icount;
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}
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if (tfilter.enable) {
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if (tfilter.event & TRACE_EVENT_INSN) {
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int result = addr_trace_filter(env, tb_pc);
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if (result & STSP_RANGE_MATCH) {
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csky_trace_icount += icount;
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}
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}
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}
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}
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void helper_trace_tb_start(CPUArchState *env, target_ulong tb_pc)
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{
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static int8_t lastbase;
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int8_t base = (tb_pc >> 24) & 0xff;
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int32_t offset = tb_pc & 0xffffff;
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int result = addr_trace_filter(env, tb_pc);
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#ifdef TARGET_RISCV
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if (!csky_trace_elf_start) {
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if (tb_pc == env->elf_start) {
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csky_trace_elf_start = true;
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}
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}
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if (!csky_trace_elf_start) {
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return;
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}
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#endif
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if (result & STSP_RANGE_MATCH) {
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csky_trace_send_base(&csky_trace_insn_seg, INST_SEG, tb_pc);
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env->last_pc = tb_pc;
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if (base != lastbase) {
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write_trace_8(INST_BASE, 2 * sizeof(uint8_t), base);
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lastbase = base;
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}
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write_trace_8(INST_OFFSET, sizeof(uint32_t), offset);
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if (result & ADDR_RANGE_MATCH) {
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//write_trace_8(ADDR_CMPR_MATCH, sizeof(uint32_t), offset);
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}
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}
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}
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void helper_trace_tb_exit(uint32_t subtype, uint32_t offset)
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{
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#ifdef TARGET_RISCV
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if (!csky_trace_elf_start) {
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return;
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}
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#endif
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write_trace_8_8(INST_EXIT, sizeof(uint32_t), subtype, offset);
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if (is_gdbserver_start) {
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trace_send_immediately();
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}
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}
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void extern_helper_trace_tb_exit(uint32_t subtype, uint32_t offset)
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{
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helper_trace_tb_exit(subtype, offset);
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}
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static void helper_trace_ldst(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr, int type)
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{
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int packlen = 0;
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int result = data_trace_filter(env, pc, addr, rz);
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packlen = 2 * sizeof(uint8_t) + sizeof(uint32_t);
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if (result & STSP_RANGE_MATCH) {
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if (tfilter.proxy) {
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write_trace_8(DATA_INST_OFFSET, sizeof(uint32_t), pc - env->last_pc);
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}
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csky_trace_send_base(&csky_trace_data_seg, DATA_SEG, addr);
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addr = csky_trace_get_addr_offset(addr);
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switch (type) {
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case LD8U: case LD8S:
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write_trace_8_8(DATA_RADDR, packlen, sizeof(uint8_t), addr);
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write_trace_8_8(DATA_VALUE, packlen, 0, (uint32_t)rz);
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raddr_num++;
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break;
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case LD16U: case LD16S:
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write_trace_8_8(DATA_RADDR, packlen, sizeof(uint16_t), addr);
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write_trace_8_8(DATA_VALUE, packlen, 0, (uint32_t)rz);
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raddr_num++;
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break;
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case LD32U: case LD32S:
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write_trace_8_8(DATA_RADDR, packlen, sizeof(uint32_t), addr);
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write_trace_8_8(DATA_VALUE, packlen, 0, (uint32_t)rz);
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raddr_num++;
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break;
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case LD64U: case LD64S:
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write_trace_8_8(DATA_RADDR, packlen, sizeof(uint64_t), addr);
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//write_trace_8_seq(DATA_VALUE, sizeof(uint64_t) + 1, (uint8_t *)&rz);
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write_trace_8_8(DATA_VALUE, packlen, 0, extract64(rz, 0, 32));
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write_trace_8_8(DATA_VALUE, packlen, 32, extract64(rz, 32, 32));
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raddr_num++;
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break;
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case ST8:
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write_trace_8_8(DATA_WADDR, packlen, sizeof(uint8_t), addr);
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write_trace_8_8(DATA_VALUE, packlen, 0, (uint32_t)rz);
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waddr_num++;
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break;
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case ST16:
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write_trace_8_8(DATA_WADDR, packlen, sizeof(uint16_t), addr);
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write_trace_8_8(DATA_VALUE, packlen, 0, (uint32_t)rz);
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waddr_num++;
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break;
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case ST32:
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write_trace_8_8(DATA_WADDR, packlen, sizeof(uint32_t), addr);
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write_trace_8_8(DATA_VALUE, packlen, 0, (uint32_t)rz);
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waddr_num++;
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break;
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case ST64:
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write_trace_8_8(DATA_WADDR, packlen, sizeof(uint64_t), addr);
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//write_trace_8_seq(DATA_VALUE, sizeof(uint64_t) + 1, (uint8_t*)&rz);
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write_trace_8_8(DATA_VALUE, packlen, 0, extract64(rz, 0, 32));
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write_trace_8_8(DATA_VALUE, packlen, 32, extract64(rz, 32, 32));
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waddr_num++;
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break;
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default:
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break;
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}
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if (result & ADDR_RANGE_MATCH) {
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}
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if (result & DATA_RANGE_MATCH) {
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}
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}
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}
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void helper_trace_ld8u(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD8U);
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}
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void helper_trace_ld16u(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD16U);
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}
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void helper_trace_ld32u(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD32U);
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}
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void helper_trace_ld64u(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD64U);
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}
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void helper_trace_ld8s(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD8S);
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}
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void helper_trace_ld16s(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD16S);
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}
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void helper_trace_ld32s(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD32S);
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}
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void helper_trace_ld64s(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, LD64S);
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}
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void helper_trace_st8(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, ST8);
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}
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void helper_trace_st16(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, ST16);
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}
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void helper_trace_st32(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, ST32);
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}
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void helper_trace_st64(CPUArchState *env, target_ulong pc,
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target_ulong rz, target_ulong addr)
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{
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helper_trace_ldst(env, pc, rz, addr, ST64);
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}
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void helper_trace_m_addr(CPUArchState *env, target_ulong pc,
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target_ulong addr, target_ulong num, uint32_t type)
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{
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int packlen = 0;
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int result = addr_trace_filter(env, pc);
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packlen = 2 * sizeof(uint8_t) + sizeof(uint32_t);
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if (result & STSP_RANGE_MATCH) {
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csky_trace_send_base(&csky_trace_data_seg, DATA_SEG, addr);
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addr = csky_trace_get_addr_offset(addr);
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write_trace_8_8(type, packlen, num * sizeof(uint32_t), addr);
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if (type == 0x41) {
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waddr_num++;
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} else if (type == 0x40) {
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raddr_num++;
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}
|
|
if (result & ADDR_RANGE_MATCH) {
|
|
}
|
|
}
|
|
}
|
|
|
|
void helper_trace_m_value(CPUArchState *env, target_ulong pc,
|
|
target_ulong addr, target_ulong value)
|
|
{
|
|
int packlen = 0;
|
|
int result = data_trace_filter(env, pc, addr, value);
|
|
|
|
packlen = 2 * sizeof(uint8_t) + sizeof(uint32_t);
|
|
if (result & STSP_RANGE_MATCH) {
|
|
//write_trace_8_seq(DATA_VALUE, packlen, &value);
|
|
if (sizeof(target_ulong) == 64) {
|
|
write_trace_8_8(DATA_VALUE, packlen, 0, extract64(value, 0, 32));
|
|
write_trace_8_8(DATA_VALUE, packlen, 0, extract64(value, 32, 32));
|
|
} else {
|
|
write_trace_8_8(DATA_VALUE, packlen, 0, value);
|
|
}
|
|
if (result & ADDR_RANGE_MATCH) {
|
|
}
|
|
if (result & DATA_RANGE_MATCH) {
|
|
}
|
|
}
|
|
}
|
|
|
|
void helper_trace_update_tcr(CPUArchState *env)
|
|
{
|
|
int mode = -1;
|
|
int enable = 0;
|
|
uint32_t *addr_index = &tfilter.addr_num;
|
|
uint32_t *data_index = &tfilter.data_num;
|
|
uint32_t *stsp_index = &tfilter.stsp_num;
|
|
int value_index, value_mode, i;
|
|
CPUState *cpu = env_cpu(env);
|
|
|
|
/* TRCEn enable */
|
|
if ((env->cp13.tcr & 0x01) && (cpu->csky_trace_features & CSKY_TRACE)) {
|
|
|
|
tfilter.enable = true;
|
|
tfilter.event = env->cp13.ter; /* get all trace event */
|
|
/* first send trace header */
|
|
write_trace_header(env->cp13.ter);
|
|
|
|
if (!(cpu->csky_trace_features & MEM_TRACE)) {
|
|
tfilter.event &= ~(0x02);
|
|
}
|
|
if (!(cpu->csky_trace_features & TB_TRACE)) {
|
|
tfilter.event &= ~(0x01);
|
|
}
|
|
tfilter.asid = env->cp13.asid;
|
|
|
|
/* fill all range */
|
|
for (i = 0; i < MAX_ADDR_CMPR_NUM - 1; i++) {
|
|
mode = (env->cp13.addr_cmpr_config[i] & ADDR_CMPR_MODE_MASK)
|
|
>> ADDR_CMPR_MODE_START;
|
|
enable = env->cp13.addr_cmpr_config[i] & ADDR_CMPR_ENABLE_MASK;
|
|
if (enable) {
|
|
switch (mode) {
|
|
case INSN_ADDR_RANGE_CMPR:
|
|
case DATA_ADDR_RANGE_CMPR: /* addr range match */
|
|
tfilter.addr_range[*addr_index].start
|
|
= env->cp13.addr_cmpr[i];
|
|
tfilter.addr_range[*addr_index].end
|
|
= env->cp13.addr_cmpr[++i];
|
|
(*addr_index)++;
|
|
break;
|
|
case ASSOCIATE_VALUE_CMPR: /* associate value match */
|
|
value_index = env->cp13.addr_cmpr_config[i]
|
|
& ADDR_CMPR_DATA_MASK;
|
|
value_mode = env->cp13.data_cmpr_config[value_index]
|
|
& DATA_CMPR_MODE_MASK;
|
|
if (TRACE_VALUE_SINGLE == value_mode) {
|
|
tfilter.data_range[*data_index].mode
|
|
= value_mode;
|
|
tfilter.data_range[*data_index].min
|
|
= env->cp13.data_cmpr[value_index];
|
|
} else if (TRACE_VALUE_RANGE == value_mode) {
|
|
tfilter.data_range[*data_index].mode
|
|
= value_mode;
|
|
tfilter.data_range[*data_index].min
|
|
= env->cp13.data_cmpr[value_index];
|
|
tfilter.data_range[*data_index].max
|
|
= env->cp13.data_cmpr[value_index + 1];
|
|
} else {
|
|
return;
|
|
}
|
|
tfilter.data_range[*data_index].data_addr.start
|
|
= env->cp13.addr_cmpr[i];
|
|
tfilter.data_range[*data_index].data_addr.end
|
|
= env->cp13.addr_cmpr[++i];
|
|
(*data_index)++;
|
|
break;
|
|
case STSP_RANGE_CMPR: /* stsp range match */
|
|
tfilter.stsp_range[*stsp_index].start
|
|
= env->cp13.addr_cmpr[i];
|
|
tfilter.stsp_range[*stsp_index].end
|
|
= env->cp13.addr_cmpr[++i];
|
|
(*stsp_index)++;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
memset(&tfilter, 0, sizeof(tfilter));
|
|
}
|
|
}
|
|
|