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added 64 bit mode to the fstenv helper function, also a fpu_ip64.py regress script

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mothran
2015-08-29 01:56:36 -07:00
parent 5d6a478d11
commit b7d60313b5
2 changed files with 79 additions and 2 deletions
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19
qemu/target-i386/fpu_helper.c
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@@ -986,7 +986,18 @@ void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32)
}
}
}
if (data32) {
switch (env->uc->mode) {
case (UC_MODE_64):
/* 64 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 + 20, 0); /* fpcs */
cpu_stl_data(env, ptr + 24, 0); /* fpoo */
cpu_stl_data(env, ptr + 28, 0); /* fpos */
break;
case (UC_MODE_32):
/* 32 bit */
cpu_stl_data(env, ptr, env->fpuc);
cpu_stl_data(env, ptr + 4, fpus);
@@ -995,7 +1006,8 @@ void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32)
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 {
break;
case (UC_MODE_16):
/* 16 bit */
cpu_stw_data(env, ptr, env->fpuc);
cpu_stw_data(env, ptr + 2, fpus);
@@ -1004,6 +1016,9 @@ void helper_fstenv(CPUX86State *env, target_ulong ptr, int data32)
cpu_stw_data(env, ptr + 8, 0);
cpu_stw_data(env, ptr + 10, 0);
cpu_stw_data(env, ptr + 12, 0);
break;
default:
break;
}
}