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-rw-r--r--accel/tcg/atomic_common.c.inc20
-rw-r--r--accel/tcg/atomic_template.h12
-rw-r--r--accel/tcg/cputlb.c2
-rw-r--r--accel/tcg/plugin-gen.c31
-rw-r--r--accel/tcg/user-exec.c14
5 files changed, 20 insertions, 59 deletions
diff --git a/accel/tcg/atomic_common.c.inc b/accel/tcg/atomic_common.c.inc
index 1df1f243e9..6602d7689f 100644
--- a/accel/tcg/atomic_common.c.inc
+++ b/accel/tcg/atomic_common.c.inc
@@ -13,14 +13,6 @@
* See the COPYING file in the top-level directory.
*/
-static void atomic_trace_rmw_pre(CPUArchState *env, target_ulong addr,
- MemOpIdx oi)
-{
- CPUState *cpu = env_cpu(env);
-
- trace_guest_rmw_before_exec(cpu, addr, oi);
-}
-
static void atomic_trace_rmw_post(CPUArchState *env, target_ulong addr,
MemOpIdx oi)
{
@@ -28,24 +20,12 @@ static void atomic_trace_rmw_post(CPUArchState *env, target_ulong addr,
}
#if HAVE_ATOMIC128
-static void atomic_trace_ld_pre(CPUArchState *env, target_ulong addr,
- MemOpIdx oi)
-{
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
-}
-
static void atomic_trace_ld_post(CPUArchState *env, target_ulong addr,
MemOpIdx oi)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
}
-static void atomic_trace_st_pre(CPUArchState *env, target_ulong addr,
- MemOpIdx oi)
-{
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
-}
-
static void atomic_trace_st_post(CPUArchState *env, target_ulong addr,
MemOpIdx oi)
{
diff --git a/accel/tcg/atomic_template.h b/accel/tcg/atomic_template.h
index 2d917b6b1f..fc165031e8 100644
--- a/accel/tcg/atomic_template.h
+++ b/accel/tcg/atomic_template.h
@@ -77,7 +77,6 @@ ABI_TYPE ATOMIC_NAME(cmpxchg)(CPUArchState *env, target_ulong addr,
PAGE_READ | PAGE_WRITE, retaddr);
DATA_TYPE ret;
- atomic_trace_rmw_pre(env, addr, oi);
#if DATA_SIZE == 16
ret = atomic16_cmpxchg(haddr, cmpv, newv);
#else
@@ -97,7 +96,6 @@ ABI_TYPE ATOMIC_NAME(ld)(CPUArchState *env, target_ulong addr,
PAGE_READ, retaddr);
DATA_TYPE val;
- atomic_trace_ld_pre(env, addr, oi);
val = atomic16_read(haddr);
ATOMIC_MMU_CLEANUP;
atomic_trace_ld_post(env, addr, oi);
@@ -110,7 +108,6 @@ void ATOMIC_NAME(st)(CPUArchState *env, target_ulong addr, ABI_TYPE val,
DATA_TYPE *haddr = atomic_mmu_lookup(env, addr, oi, DATA_SIZE,
PAGE_WRITE, retaddr);
- atomic_trace_st_pre(env, addr, oi);
atomic16_set(haddr, val);
ATOMIC_MMU_CLEANUP;
atomic_trace_st_post(env, addr, oi);
@@ -124,7 +121,6 @@ ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr, ABI_TYPE val,
PAGE_READ | PAGE_WRITE, retaddr);
DATA_TYPE ret;
- atomic_trace_rmw_pre(env, addr, oi);
ret = qatomic_xchg__nocheck(haddr, val);
ATOMIC_MMU_CLEANUP;
atomic_trace_rmw_post(env, addr, oi);
@@ -138,7 +134,6 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
DATA_TYPE *haddr = atomic_mmu_lookup(env, addr, oi, DATA_SIZE, \
PAGE_READ | PAGE_WRITE, retaddr); \
DATA_TYPE ret; \
- atomic_trace_rmw_pre(env, addr, oi); \
ret = qatomic_##X(haddr, val); \
ATOMIC_MMU_CLEANUP; \
atomic_trace_rmw_post(env, addr, oi); \
@@ -171,7 +166,6 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
XDATA_TYPE *haddr = atomic_mmu_lookup(env, addr, oi, DATA_SIZE, \
PAGE_READ | PAGE_WRITE, retaddr); \
XDATA_TYPE cmp, old, new, val = xval; \
- atomic_trace_rmw_pre(env, addr, oi); \
smp_mb(); \
cmp = qatomic_read__nocheck(haddr); \
do { \
@@ -216,7 +210,6 @@ ABI_TYPE ATOMIC_NAME(cmpxchg)(CPUArchState *env, target_ulong addr,
PAGE_READ | PAGE_WRITE, retaddr);
DATA_TYPE ret;
- atomic_trace_rmw_pre(env, addr, oi);
#if DATA_SIZE == 16
ret = atomic16_cmpxchg(haddr, BSWAP(cmpv), BSWAP(newv));
#else
@@ -236,7 +229,6 @@ ABI_TYPE ATOMIC_NAME(ld)(CPUArchState *env, target_ulong addr,
PAGE_READ, retaddr);
DATA_TYPE val;
- atomic_trace_ld_pre(env, addr, oi);
val = atomic16_read(haddr);
ATOMIC_MMU_CLEANUP;
atomic_trace_ld_post(env, addr, oi);
@@ -249,7 +241,6 @@ void ATOMIC_NAME(st)(CPUArchState *env, target_ulong addr, ABI_TYPE val,
DATA_TYPE *haddr = atomic_mmu_lookup(env, addr, oi, DATA_SIZE,
PAGE_WRITE, retaddr);
- atomic_trace_st_pre(env, addr, oi);
val = BSWAP(val);
atomic16_set(haddr, val);
ATOMIC_MMU_CLEANUP;
@@ -264,7 +255,6 @@ ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr, ABI_TYPE val,
PAGE_READ | PAGE_WRITE, retaddr);
ABI_TYPE ret;
- atomic_trace_rmw_pre(env, addr, oi);
ret = qatomic_xchg__nocheck(haddr, BSWAP(val));
ATOMIC_MMU_CLEANUP;
atomic_trace_rmw_post(env, addr, oi);
@@ -278,7 +268,6 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
DATA_TYPE *haddr = atomic_mmu_lookup(env, addr, oi, DATA_SIZE, \
PAGE_READ | PAGE_WRITE, retaddr); \
DATA_TYPE ret; \
- atomic_trace_rmw_pre(env, addr, oi); \
ret = qatomic_##X(haddr, BSWAP(val)); \
ATOMIC_MMU_CLEANUP; \
atomic_trace_rmw_post(env, addr, oi); \
@@ -308,7 +297,6 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
XDATA_TYPE *haddr = atomic_mmu_lookup(env, addr, oi, DATA_SIZE, \
PAGE_READ | PAGE_WRITE, retaddr); \
XDATA_TYPE ldo, ldn, old, new, val = xval; \
- atomic_trace_rmw_pre(env, addr, oi); \
smp_mb(); \
ldn = qatomic_read__nocheck(haddr); \
do { \
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 926d9a9192..3b918fe018 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -2149,7 +2149,6 @@ static inline uint64_t cpu_load_helper(CPUArchState *env, abi_ptr addr,
{
uint64_t ret;
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
ret = full_load(env, addr, oi, retaddr);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
return ret;
@@ -2496,7 +2495,6 @@ static inline void cpu_store_helper(CPUArchState *env, target_ulong addr,
uint64_t val, MemOpIdx oi, uintptr_t ra,
FullStoreHelper *full_store)
{
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
full_store(env, addr, val, oi, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index 22d95fe1c3..3d0b101e34 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -854,10 +854,20 @@ static void plugin_gen_inject(const struct qemu_plugin_tb *plugin_tb)
bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool mem_only)
{
- struct qemu_plugin_tb *ptb = tcg_ctx->plugin_tb;
bool ret = false;
if (test_bit(QEMU_PLUGIN_EV_VCPU_TB_TRANS, cpu->plugin_mask)) {
+ struct qemu_plugin_tb *ptb = tcg_ctx->plugin_tb;
+ int i;
+
+ /* reset callbacks */
+ for (i = 0; i < PLUGIN_N_CB_SUBTYPES; i++) {
+ if (ptb->cbs[i]) {
+ g_array_set_size(ptb->cbs[i], 0);
+ }
+ }
+ ptb->n = 0;
+
ret = true;
ptb->vaddr = tb->pc;
@@ -868,6 +878,9 @@ bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool mem_onl
plugin_gen_empty_callback(PLUGIN_GEN_FROM_TB);
}
+
+ tcg_ctx->plugin_insn = NULL;
+
return ret;
}
@@ -904,23 +917,19 @@ void plugin_gen_insn_end(void)
plugin_gen_empty_callback(PLUGIN_GEN_AFTER_INSN);
}
+/*
+ * There are cases where we never get to finalise a translation - for
+ * example a page fault during translation. As a result we shouldn't
+ * do any clean-up here and make sure things are reset in
+ * plugin_gen_tb_start.
+ */
void plugin_gen_tb_end(CPUState *cpu)
{
struct qemu_plugin_tb *ptb = tcg_ctx->plugin_tb;
- int i;
/* collect instrumentation requests */
qemu_plugin_tb_trans_cb(cpu, ptb);
/* inject the instrumentation at the appropriate places */
plugin_gen_inject(ptb);
-
- /* clean up */
- for (i = 0; i < PLUGIN_N_CB_SUBTYPES; i++) {
- if (ptb->cbs[i]) {
- g_array_set_size(ptb->cbs[i], 0);
- }
- }
- ptb->n = 0;
- tcg_ctx->plugin_insn = NULL;
}
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index 6f5d4933f0..8edf0bbaa1 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -250,7 +250,6 @@ uint8_t cpu_ldb_mmu(CPUArchState *env, abi_ptr addr,
uint8_t ret;
validate_memop(oi, MO_UB);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = ldub_p(haddr);
clear_helper_retaddr();
@@ -265,7 +264,6 @@ uint16_t cpu_ldw_be_mmu(CPUArchState *env, abi_ptr addr,
uint16_t ret;
validate_memop(oi, MO_BEUW);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = lduw_be_p(haddr);
clear_helper_retaddr();
@@ -280,7 +278,6 @@ uint32_t cpu_ldl_be_mmu(CPUArchState *env, abi_ptr addr,
uint32_t ret;
validate_memop(oi, MO_BEUL);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = ldl_be_p(haddr);
clear_helper_retaddr();
@@ -295,7 +292,6 @@ uint64_t cpu_ldq_be_mmu(CPUArchState *env, abi_ptr addr,
uint64_t ret;
validate_memop(oi, MO_BEUQ);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = ldq_be_p(haddr);
clear_helper_retaddr();
@@ -310,7 +306,6 @@ uint16_t cpu_ldw_le_mmu(CPUArchState *env, abi_ptr addr,
uint16_t ret;
validate_memop(oi, MO_LEUW);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = lduw_le_p(haddr);
clear_helper_retaddr();
@@ -325,7 +320,6 @@ uint32_t cpu_ldl_le_mmu(CPUArchState *env, abi_ptr addr,
uint32_t ret;
validate_memop(oi, MO_LEUL);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = ldl_le_p(haddr);
clear_helper_retaddr();
@@ -340,7 +334,6 @@ uint64_t cpu_ldq_le_mmu(CPUArchState *env, abi_ptr addr,
uint64_t ret;
validate_memop(oi, MO_LEUQ);
- trace_guest_ld_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = ldq_le_p(haddr);
clear_helper_retaddr();
@@ -354,7 +347,6 @@ void cpu_stb_mmu(CPUArchState *env, abi_ptr addr, uint8_t val,
void *haddr;
validate_memop(oi, MO_UB);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stb_p(haddr, val);
clear_helper_retaddr();
@@ -367,7 +359,6 @@ void cpu_stw_be_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
void *haddr;
validate_memop(oi, MO_BEUW);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stw_be_p(haddr, val);
clear_helper_retaddr();
@@ -380,7 +371,6 @@ void cpu_stl_be_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
void *haddr;
validate_memop(oi, MO_BEUL);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stl_be_p(haddr, val);
clear_helper_retaddr();
@@ -393,7 +383,6 @@ void cpu_stq_be_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
void *haddr;
validate_memop(oi, MO_BEUQ);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stq_be_p(haddr, val);
clear_helper_retaddr();
@@ -406,7 +395,6 @@ void cpu_stw_le_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
void *haddr;
validate_memop(oi, MO_LEUW);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stw_le_p(haddr, val);
clear_helper_retaddr();
@@ -419,7 +407,6 @@ void cpu_stl_le_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
void *haddr;
validate_memop(oi, MO_LEUL);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stl_le_p(haddr, val);
clear_helper_retaddr();
@@ -432,7 +419,6 @@ void cpu_stq_le_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
void *haddr;
validate_memop(oi, MO_LEUQ);
- trace_guest_st_before_exec(env_cpu(env), addr, oi);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
stq_le_p(haddr, val);
clear_helper_retaddr();
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-03 15:26:29 +0000