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target-i386: Register properties for feature aliases manually

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Instead of keeping the aliases inside the feature name arrays and
require parsing the strings, just register alias properties
manually. This simplifies the code for property registration and
lookup.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2016-09-30 15:49:41 -03:00
parent fc7dfd205f
commit 16d2fcaa50
1 changed files with 21 additions and 22 deletions
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43
target-i386/cpu.c
View file

@ -278,12 +278,12 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
},
[FEAT_1_ECX] = {
.feat_names = {
"pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
"pni" /* Intel,AMD sse3 */, "pclmulqdq", "dtes64", "monitor",
"ds-cpl", "vmx", "smx", "est",
"tm2", "ssse3", "cid", NULL,
"fma", "cx16", "xtpr", "pdcm",
NULL, "pcid", "dca", "sse4.1|sse4-1",
"sse4.2|sse4-2", "x2apic", "movbe", "popcnt",
NULL, "pcid", "dca", "sse4.1",
"sse4.2", "x2apic", "movbe", "popcnt",
"tsc-deadline", "aes", "xsave", "osxsave",
"avx", "f16c", "rdrand", "hypervisor",
},
@ -302,9 +302,9 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL /* cx8 */, NULL /* apic */, NULL, "syscall",
NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
"nx|xd", NULL, "mmxext", NULL /* mmx */,
NULL /* fxsr */, "fxsr-opt|ffxsr", "pdpe1gb", "rdtscp",
NULL, "lm|i64", "3dnowext", "3dnow",
"nx", NULL, "mmxext", NULL /* mmx */,
NULL /* fxsr */, "fxsr-opt", "pdpe1gb", "rdtscp",
NULL, "lm", "3dnowext", "3dnow",
},
.cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
.tcg_features = TCG_EXT2_FEATURES,
@ -3321,31 +3321,22 @@ static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
FeatureWord w,
int bitnr)
{
Object *obj = OBJECT(cpu);
int i;
char **names;
FeatureWordInfo *fi = &feature_word_info[w];
const char *name = fi->feat_names[bitnr];
if (!fi->feat_names[bitnr]) {
if (!name) {
return;
}
names = g_strsplit(fi->feat_names[bitnr], "|", 0);
/* Property names should use "-" instead of "_".
* Old names containing underscores are registered as aliases
* using object_property_add_alias()
*/
assert(!strchr(names[0], '_'));
x86_cpu_register_bit_prop(cpu, names[0], &cpu->env.features[w], bitnr);
for (i = 1; names[i]; i++) {
assert(!strchr(names[i], '_'));
object_property_add_alias(obj, names[i], obj, names[0],
&error_abort);
}
g_strfreev(names);
assert(!strchr(name, '_'));
/* aliases don't use "|" delimiters anymore, they are registered
* manually using object_property_add_alias() */
assert(!strchr(name, '|'));
x86_cpu_register_bit_prop(cpu, name, &cpu->env.features[w], bitnr);
}
static void x86_cpu_initfn(Object *obj)
@ -3393,6 +3384,14 @@ static void x86_cpu_initfn(Object *obj)
}
}
object_property_add_alias(obj, "sse3", obj, "pni", &error_abort);
object_property_add_alias(obj, "pclmuldq", obj, "pclmulqdq", &error_abort);
object_property_add_alias(obj, "sse4-1", obj, "sse4.1", &error_abort);
object_property_add_alias(obj, "sse4-2", obj, "sse4.2", &error_abort);
object_property_add_alias(obj, "xd", obj, "nx", &error_abort);
object_property_add_alias(obj, "ffxsr", obj, "fxsr-opt", &error_abort);
object_property_add_alias(obj, "i64", obj, "lm", &error_abort);
object_property_add_alias(obj, "ds_cpl", obj, "ds-cpl", &error_abort);
object_property_add_alias(obj, "tsc_adjust", obj, "tsc-adjust", &error_abort);
object_property_add_alias(obj, "fxsr_opt", obj, "fxsr-opt", &error_abort);