diff options
author | Eduardo Habkost <ehabkost@redhat.com> | 2019-04-22 20:47:41 -0300 |
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committer | Eduardo Habkost <ehabkost@redhat.com> | 2019-06-11 10:17:47 -0300 |
commit | 5a853fc57a0860da4a55d1448a77845f97e7a9be (patch) | |
tree | c5f30401327280c30f964302cdd562dae5a54764 /target/i386 | |
parent | a578cdfbdd8f9beff5ced52b7826ddb1669abbbf (diff) |
i386: x86_cpu_list_feature_names() function
Extract feature name listing code from
x86_cpu_class_check_missing_features(). It will be reused to
return information about CPU filtered features at runtime.
Message-Id: <20190422234742.15780-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target/i386')
-rw-r--r-- | target/i386/cpu.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index b21ecaac17..36589adb1f 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -3671,6 +3671,27 @@ static void x86_cpu_parse_featurestr(const char *typename, char *features, static void x86_cpu_expand_features(X86CPU *cpu, Error **errp); static int x86_cpu_filter_features(X86CPU *cpu); +/* Build a list with the name of all features on a feature word array */ +static void x86_cpu_list_feature_names(FeatureWordArray features, + strList **feat_names) +{ + FeatureWord w; + strList **next = feat_names; + + for (w = 0; w < FEATURE_WORDS; w++) { + uint32_t filtered = features[w]; + int i; + for (i = 0; i < 32; i++) { + if (filtered & (1UL << i)) { + strList *new = g_new0(strList, 1); + new->value = g_strdup(x86_cpu_feature_name(w, i)); + *next = new; + next = &new->next; + } + } + } +} + /* Check for missing features that may prevent the CPU class from * running using the current machine and accelerator. */ @@ -3678,7 +3699,6 @@ static void x86_cpu_class_check_missing_features(X86CPUClass *xcc, strList **missing_feats) { X86CPU *xc; - FeatureWord w; Error *err = NULL; strList **next = missing_feats; @@ -3705,18 +3725,7 @@ static void x86_cpu_class_check_missing_features(X86CPUClass *xcc, x86_cpu_filter_features(xc); - for (w = 0; w < FEATURE_WORDS; w++) { - uint32_t filtered = xc->filtered_features[w]; - int i; - for (i = 0; i < 32; i++) { - if (filtered & (1UL << i)) { - strList *new = g_new0(strList, 1); - new->value = g_strdup(x86_cpu_feature_name(w, i)); - *next = new; - next = &new->next; - } - } - } + x86_cpu_list_feature_names(xc->filtered_features, next); object_unref(OBJECT(xc)); } |