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fpip x64 fxsave working with using hflags to check CPU mode

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This commit is contained in:
mothran 2015-08-30 18:56:55 -07:00
parent 912faf2c3c
commit 4cd5fa3811
1 changed files with 30 additions and 14 deletions
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44
qemu/target-i386/fpu_helper.c
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@ -986,25 +986,41 @@ void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32)
} }
} }
} }
if (data32) { #ifdef TARGET_X86_64
/* 32 bit */ // DFLAG enum: tcg.h, case here to int
if (env->hflags & HF_CS64_MASK) {
printf("HELLO\n");
cpu_stl_data(env, ptr, env->fpuc); cpu_stl_data(env, ptr, env->fpuc);
cpu_stl_data(env, ptr + 4, fpus); cpu_stl_data(env, ptr + 4, fpus);
cpu_stl_data(env, ptr + 8, fptag); cpu_stl_data(env, ptr + 8, fptag);
cpu_stl_data(env, ptr + 12, env->fpip); /* fpip */ cpu_stl_data(env, ptr + 12, env->fpip); /* fpip */
cpu_stl_data(env, ptr + 16, 0); /* fpcs */ cpu_stl_data(env, ptr + 20, 0); /* fpcs */
cpu_stl_data(env, ptr + 20, 0); /* fpoo */ cpu_stl_data(env, ptr + 24, 0); /* fpoo */
cpu_stl_data(env, ptr + 24, 0); /* fpos */ cpu_stl_data(env, ptr + 28, 0); /* fpos */
} else {
/* 16 bit */
cpu_stw_data(env, ptr, env->fpuc);
cpu_stw_data(env, ptr + 2, fpus);
cpu_stw_data(env, ptr + 4, fptag);
cpu_stw_data(env, ptr + 6, env->fpip);
cpu_stw_data(env, ptr + 8, 0);
cpu_stw_data(env, ptr + 10, 0);
cpu_stw_data(env, ptr + 12, 0);
} }
#endif
if (!(env->hflags & HF_CS64_MASK))
{
if (data32) {
/* 32 bit */
cpu_stl_data(env, ptr, env->fpuc);
cpu_stl_data(env, ptr + 4, fpus);
cpu_stl_data(env, ptr + 8, fptag);
cpu_stl_data(env, ptr + 12, env->fpip); /* fpip */
cpu_stl_data(env, ptr + 16, 0); /* fpcs */
cpu_stl_data(env, ptr + 20, 0); /* fpoo */
cpu_stl_data(env, ptr + 24, 0); /* fpos */
} else {
/* 16 bit */
cpu_stw_data(env, ptr, env->fpuc);
cpu_stw_data(env, ptr + 2, fpus);
cpu_stw_data(env, ptr + 4, fptag);
cpu_stw_data(env, ptr + 6, env->fpip);
cpu_stw_data(env, ptr + 8, 0);
cpu_stw_data(env, ptr + 10, 0);
cpu_stw_data(env, ptr + 12, 0);
}
} }
void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32) void helper_fldenv(CPUX86State *env, target_ulong ptr, int data32)