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target-i386: Introduce x86_cpuid_set_model_id()

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Move the logic to transform the 48-char model ID into the 12-word model
value into a helper.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2012-02-17 17:46:04 +01:00 committed by Anthony Liguori
parent 38c3dc4622
commit dcce6675de
1 changed files with 19 additions and 14 deletions
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33
target-i386/cpuid.c
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@ -619,6 +619,24 @@ static void x86_cpuid_version_set_stepping(CPUX86State *env, int stepping)
env->cpuid_version |= stepping & 0xf; env->cpuid_version |= stepping & 0xf;
} }
static void x86_cpuid_set_model_id(CPUX86State *env, const char *model_id)
{
int c, len, i;
if (model_id == NULL) {
model_id = "";
}
len = strlen(model_id);
for (i = 0; i < 48; i++) {
if (i >= len) {
c = '\0';
} else {
c = (uint8_t)model_id[i];
}
env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
}
}
static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model)
{ {
unsigned int i; unsigned int i;
@ -929,20 +947,7 @@ int cpu_x86_register (CPUX86State *env, const char *cpu_model)
env->cpuid_ext3_features &= TCG_EXT3_FEATURES; env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
env->cpuid_svm_features &= TCG_SVM_FEATURES; env->cpuid_svm_features &= TCG_SVM_FEATURES;
} }
{ x86_cpuid_set_model_id(env, def->model_id);
const char *model_id = def->model_id;
int c, len, i;
if (!model_id)
model_id = "";
len = strlen(model_id);
for(i = 0; i < 48; i++) {
if (i >= len)
c = '\0';
else
c = (uint8_t)model_id[i];
env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
}
}
return 0; return 0;
} }