ppc: Introduce a function to look up CPU alias strings

We will need this function to look up the aliases in the
spapr-cpu-core code, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

2 files changed, 14 insertions, 0 deletions

diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 5fce1ffa25..786ab5cdfa 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1201,6 +1201,7 @@ extern const struct VMStateDescription vmstate_ppc_cpu;
 /*****************************************************************************/
 PowerPCCPU *cpu_ppc_init(const char *cpu_model);
 void ppc_translate_init(void);
+const char *ppc_cpu_lookup_alias(const char *alias);
 void gen_update_current_nip(void *opaque);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 5f28a36998..7a9b15e7e1 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -10012,6 +10012,19 @@ static ObjectClass *ppc_cpu_class_by_name(const char *name)
     return NULL;
 }
 
+const char *ppc_cpu_lookup_alias(const char *alias)
+{
+    int ai;
+
+    for (ai = 0; ppc_cpu_aliases[ai].alias != NULL; ai++) {
+        if (strcmp(ppc_cpu_aliases[ai].alias, alias) == 0) {
+            return ppc_cpu_aliases[ai].model;
+        }
+    }
+
+    return NULL;
+}
+
 PowerPCCPU *cpu_ppc_init(const char *cpu_model)
 {
     return POWERPC_CPU(cpu_generic_init(TYPE_POWERPC_CPU, cpu_model));