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Save jit state before/after callback

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lazymio
2024-02-13 11:13:01 +08:00
parent f3323469d0
commit a6fb2a6870
10 changed files with 115 additions and 41 deletions
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7
qemu/target/i386/misc_helper.c
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@@ -25,6 +25,7 @@
#include "exec/ioport.h"
#include "uc_priv.h"
#include "tcg/tcg-apple-jit.h"
void helper_outb(CPUX86State *env, uint32_t port, uint32_t data)
{
@@ -105,6 +106,7 @@ void helper_into(CPUX86State *env, int next_eip_addend)
void helper_cpuid(CPUX86State *env)
{
uint32_t eax, ebx, ecx, edx;
uc_engine *uc = env->uc;
struct hook *hook;
int skip_cpuid = 0;
@@ -120,8 +122,9 @@ void helper_cpuid(CPUX86State *env)
// Multiple cpuid callbacks returning different values is undefined.
// true -> skip the cpuid instruction
if (hook->insn == UC_X86_INS_CPUID)
skip_cpuid = ((uc_cb_insn_cpuid_t)hook->callback)(env->uc, hook->user_data);
if (hook->insn == UC_X86_INS_CPUID) {
JIT_CALLBACK_GUARD_VAR(skip_cpuid, ((uc_cb_insn_cpuid_t)hook->callback)(env->uc, hook->user_data));
}
// the last callback may already asked to stop emulation
if (env->uc->stop_request)