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s390x: print CPU definitions in sorted order

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Other architectures provide nicely sorted lists, let's do it similarly on
s390x.

While at it, clean up the code we have to touch either way.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170913132417.24384-16-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2017-09-13 15:24:10 +02:00 committed by Cornelia Huck
parent b599fef28e
commit 99aa6bf29b
1 changed files with 41 additions and 15 deletions
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56
target/s390x/cpu_models.c
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@ -270,16 +270,11 @@ const S390CPUDef *s390_find_cpu_def(uint16_t type, uint8_t gen, uint8_t ec_ga,
return last_compatible;
}
struct S390PrintCpuListInfo {
FILE *f;
fprintf_function print;
};
static void print_cpu_model_list(ObjectClass *klass, void *opaque)
static void s390_print_cpu_model_list_entry(gpointer data, gpointer user_data)
{
struct S390PrintCpuListInfo *info = opaque;
S390CPUClass *scc = S390_CPU_CLASS(klass);
char *name = g_strdup(object_class_get_name(klass));
CPUListState *s = user_data;
const S390CPUClass *scc = S390_CPU_CLASS((ObjectClass *)data);
char *name = g_strdup(object_class_get_name((ObjectClass *)data));
const char *details = "";
if (scc->is_static) {
@ -290,21 +285,52 @@ static void print_cpu_model_list(ObjectClass *klass, void *opaque)
/* strip off the -s390-cpu */
g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0;
(*info->print)(info->f, "s390 %-15s %-35s %s\n", name, scc->desc,
details);
(*s->cpu_fprintf)(s->file, "s390 %-15s %-35s %s\n", name, scc->desc,
details);
g_free(name);
}
static gint s390_cpu_list_compare(gconstpointer a, gconstpointer b)
{
const S390CPUClass *cc_a = S390_CPU_CLASS((ObjectClass *)a);
const S390CPUClass *cc_b = S390_CPU_CLASS((ObjectClass *)b);
const char *name_a = object_class_get_name((ObjectClass *)a);
const char *name_b = object_class_get_name((ObjectClass *)b);
/* move qemu and host to the top of the list, qemu first, host second */
if (name_a[0] == 'q') {
return -1;
} else if (name_b[0] == 'q') {
return 1;
} else if (name_a[0] == 'h') {
return -1;
} else if (name_b[0] == 'h') {
return 1;
}
/* keep the same order we have in our table (sorted by release date) */
if (cc_a->cpu_def != cc_b->cpu_def) {
return cc_a->cpu_def - cc_b->cpu_def;
}
/* exact same definition - list base model first */
return cc_a->is_static ? -1 : 1;
}
void s390_cpu_list(FILE *f, fprintf_function print)
{
struct S390PrintCpuListInfo info = {
.f = f,
.print = print,
CPUListState s = {
.file = f,
.cpu_fprintf = print,
};
S390FeatGroup group;
S390Feat feat;
GSList *list;
object_class_foreach(print_cpu_model_list, TYPE_S390_CPU, false, &info);
list = object_class_get_list(TYPE_S390_CPU, false);
list = g_slist_sort(list, s390_cpu_list_compare);
g_slist_foreach(list, s390_print_cpu_model_list_entry, &s);
g_slist_free(list);
(*print)(f, "\nRecognized feature flags:\n");
for (feat = 0; feat < S390_FEAT_MAX; feat++) {