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Revert FPU related changes

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This commit is contained in:
mio
2025-02-18 11:13:22 +08:00
parent 795d7cbdf0
commit 4d173ea376
1 changed files with 2 additions and 5 deletions
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7
qemu/target/i386/unicorn.c
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@@ -85,10 +85,7 @@ static void reg_reset(struct uc_struct *uc)
env->fpstt = 0; /* top of stack index */ env->fpstt = 0; /* top of stack index */
env->fpus = 0; env->fpus = 0;
env->fpuc = 0; env->fpuc = 0;
for (int i = 0; i < 8; i++) { memset(env->fptags, 0, sizeof(env->fptags)); /* 0 = valid, 1 = empty */
env->fptags[i] = 1;
}
cpu_set_fpuc(env, 0x37f);
env->mxcsr = 0; env->mxcsr = 0;
memset(env->xmm_regs, 0, sizeof(env->xmm_regs)); memset(env->xmm_regs, 0, sizeof(env->xmm_regs));
@@ -2085,7 +2082,7 @@ void uc_init(struct uc_struct *uc)
uc->insn_hook_validate = x86_insn_hook_validate; uc->insn_hook_validate = x86_insn_hook_validate;
uc->opcode_hook_invalidate = x86_opcode_hook_invalidate; uc->opcode_hook_invalidate = x86_opcode_hook_invalidate;
uc->cpus_init = x86_cpus_init; uc->cpus_init = x86_cpus_init;
uc->cpu_context_size = offsetof(CPUX86State, retaddr); uc->cpu_context_size = offsetof(CPUX86State, end_reset_fields);
uc_common_init(uc); uc_common_init(uc);
} }