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Merge pull request #448 from zaddach/jonas/load_eflags_after_helper

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Fixed restoring of eflags after helper call
This commit is contained in:
Nguyen Anh Quynh 2016-03-01 08:53:27 +08:00
parent df98b7c88b 5fa6705d7a
commit 5a4d9609d6
1 changed files with 12 additions and 0 deletions
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12
qemu/target-i386/translate.c
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@ -4721,6 +4721,17 @@ static void sync_eflags(DisasContext *s, TCGContext *tcg_ctx)
tcg_gen_st_tl(tcg_ctx, *cpu_T[0], cpu_env, offsetof(CPUX86State, eflags)); tcg_gen_st_tl(tcg_ctx, *cpu_T[0], cpu_env, offsetof(CPUX86State, eflags));
} }
static void restore_eflags(DisasContext *s, TCGContext *tcg_ctx)
{
TCGv **cpu_T = (TCGv **)tcg_ctx->cpu_T;
TCGv_ptr cpu_env = tcg_ctx->cpu_env;
tcg_gen_ld_tl(tcg_ctx, *cpu_T[0], cpu_env, offsetof(CPUX86State, eflags));
gen_helper_write_eflags(tcg_ctx, cpu_env, *cpu_T[0],
tcg_const_i32(tcg_ctx, (TF_MASK | AC_MASK | ID_MASK | NT_MASK) & 0xffff));
set_cc_op(s, CC_OP_EFLAGS);
}
/* convert one instruction. s->is_jmp is set if the translation must /* convert one instruction. s->is_jmp is set if the translation must
be stopped. Return the next pc value */ be stopped. Return the next pc value */
static target_ulong disas_insn(CPUX86State *env, DisasContext *s, static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
@ -4773,6 +4784,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
changed_cc_op = true; changed_cc_op = true;
} }
gen_uc_tracecode(tcg_ctx, 0xf1f1f1f1, UC_HOOK_CODE_IDX, env->uc, pc_start); gen_uc_tracecode(tcg_ctx, 0xf1f1f1f1, UC_HOOK_CODE_IDX, env->uc, pc_start);
restore_eflags(s, tcg_ctx);
// the callback might want to stop emulation immediately // the callback might want to stop emulation immediately
check_exit_request(tcg_ctx); check_exit_request(tcg_ctx);
} }