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author | Eduardo Habkost <ehabkost@redhat.com> | 2016-09-30 15:49:36 -0300 |
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committer | Eduardo Habkost <ehabkost@redhat.com> | 2016-10-17 15:44:49 -0200 |
commit | ee465a3ef77c2b2975ffa71c72208c05b3f3970d (patch) | |
tree | b8a6979bb5c9114ed2cb8e7be93f1660a7832f5c /target-i386 | |
parent | a2f9976ea83c50b452d46b8b1189242617e4ac73 (diff) | |
download | qemu-ee465a3ef77c2b2975ffa71c72208c05b3f3970d.zip qemu-ee465a3ef77c2b2975ffa71c72208c05b3f3970d.tar.gz qemu-ee465a3ef77c2b2975ffa71c72208c05b3f3970d.tar.bz2 |
target-i386: List CPU models using subclass list
Instead of using the builtin_x86_defs array, use the QOM subclass
list to list CPU models on "-cpu ?" and "query-cpu-definitions".
Signed-off-by: Andreas Färber <afaerber@suse.de>
[ehabkost: copied code from a patch by Andreas:
"target-i386: QOM'ify CPU", from March 2012]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target-i386')
-rw-r--r-- | target-i386/cpu-qom.h | 4 | ||||
-rw-r--r-- | target-i386/cpu.c | 103 |
2 files changed, 78 insertions, 29 deletions
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h index 5dde658..e724004 100644 --- a/target-i386/cpu-qom.h +++ b/target-i386/cpu-qom.h @@ -63,6 +63,10 @@ typedef struct X86CPUClass { bool kvm_required; + /* Optional description of CPU model. + * If unavailable, cpu_def->model_id is used */ + const char *model_description; + DeviceRealize parent_realize; void (*parent_reset)(CPUState *cpu); } X86CPUClass; diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 1c57fce..cad2759 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1628,6 +1628,9 @@ static void host_x86_cpu_class_init(ObjectClass *oc, void *data) cpu_x86_fill_model_id(host_cpudef.model_id); xcc->cpu_def = &host_cpudef; + xcc->model_description = + "KVM processor with all supported host features " + "(only available in KVM mode)"; /* level, xlevel, xlevel2, and the feature words are initialized on * instance_init, because they require KVM to be initialized. @@ -2098,23 +2101,62 @@ static void listflags(FILE *f, fprintf_function print, const char **featureset) } } -/* generate CPU information. */ +/* Sort alphabetically by type name, listing kvm_required models last. */ +static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b) +{ + ObjectClass *class_a = (ObjectClass *)a; + ObjectClass *class_b = (ObjectClass *)b; + X86CPUClass *cc_a = X86_CPU_CLASS(class_a); + X86CPUClass *cc_b = X86_CPU_CLASS(class_b); + const char *name_a, *name_b; + + if (cc_a->kvm_required != cc_b->kvm_required) { + /* kvm_required items go last */ + return cc_a->kvm_required ? 1 : -1; + } else { + name_a = object_class_get_name(class_a); + name_b = object_class_get_name(class_b); + return strcmp(name_a, name_b); + } +} + +static GSList *get_sorted_cpu_model_list(void) +{ + GSList *list = object_class_get_list(TYPE_X86_CPU, false); + list = g_slist_sort(list, x86_cpu_list_compare); + return list; +} + +static void x86_cpu_list_entry(gpointer data, gpointer user_data) +{ + ObjectClass *oc = data; + X86CPUClass *cc = X86_CPU_CLASS(oc); + CPUListState *s = user_data; + char *name = x86_cpu_class_get_model_name(cc); + const char *desc = cc->model_description; + if (!desc) { + desc = cc->cpu_def->model_id; + } + + (*s->cpu_fprintf)(s->file, "x86 %16s %-48s\n", + name, desc); + g_free(name); +} + +/* list available CPU models and flags */ void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf) { - X86CPUDefinition *def; - char buf[256]; int i; + CPUListState s = { + .file = f, + .cpu_fprintf = cpu_fprintf, + }; + GSList *list; - for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { - def = &builtin_x86_defs[i]; - snprintf(buf, sizeof(buf), "%s", def->name); - (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id); - } -#ifdef CONFIG_KVM - (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host", - "KVM processor with all supported host features " - "(only available in KVM mode)"); -#endif + (*cpu_fprintf)(f, "Available CPUs:\n"); + list = get_sorted_cpu_model_list(); + g_slist_foreach(list, x86_cpu_list_entry, &s); + g_slist_free(list); (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n"); for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) { @@ -2126,26 +2168,29 @@ void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf) } } -CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) +static void x86_cpu_definition_entry(gpointer data, gpointer user_data) { - CpuDefinitionInfoList *cpu_list = NULL; - X86CPUDefinition *def; - int i; + ObjectClass *oc = data; + X86CPUClass *cc = X86_CPU_CLASS(oc); + CpuDefinitionInfoList **cpu_list = user_data; + CpuDefinitionInfoList *entry; + CpuDefinitionInfo *info; - for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { - CpuDefinitionInfoList *entry; - CpuDefinitionInfo *info; - - def = &builtin_x86_defs[i]; - info = g_malloc0(sizeof(*info)); - info->name = g_strdup(def->name); + info = g_malloc0(sizeof(*info)); + info->name = x86_cpu_class_get_model_name(cc); - entry = g_malloc0(sizeof(*entry)); - entry->value = info; - entry->next = cpu_list; - cpu_list = entry; - } + entry = g_malloc0(sizeof(*entry)); + entry->value = info; + entry->next = *cpu_list; + *cpu_list = entry; +} +CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) +{ + CpuDefinitionInfoList *cpu_list = NULL; + GSList *list = get_sorted_cpu_model_list(); + g_slist_foreach(list, x86_cpu_definition_entry, &cpu_list); + g_slist_free(list); return cpu_list; } |