[PATCH v3 22/33] target/ppc: Register CPUClass::exception_name() handler

["Philippe Mathieu-Daudé" <philmd@oss.qualcomm.com>]

Expose powerpc_excp_name() prototype and register it
as the CPUClass::exception_name() handler, so the common
exception logging can resolve PPC exception codes to names.

Signed-off-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>
---
 target/ppc/cpu.h         | 2 ++
 target/ppc/cpu_init.c    | 1 +
 target/ppc/excp_helper.c | 5 +++--
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 3fb51bbeb82..4eb7db3d727 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -153,6 +153,8 @@ enum {
     POWERPC_EXCP_SYSCALL_USER = 0x203, /* System call in user mode only      */
 };
 
+const char *powerpc_excp_name(int excp);
+
 /* Exceptions error codes                                                    */
 enum {
     /* Exception subtypes for POWERPC_EXCP_ALIGN                             */
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index b711f9c0a85..d5f9ac28020 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -7529,6 +7529,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, const void *data)
                                        &pcc->parent_phases);
 
     cc->class_by_name = ppc_cpu_class_by_name;
+    cc->exception_name = powerpc_excp_name;
     cc->list_cpus = ppc_cpu_list;
     cc->dump_state = ppc_cpu_dump_state;
     cc->set_pc = ppc_cpu_set_pc;
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 4892cbaeb07..76ac41e964d 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -34,9 +34,8 @@
 
 /*****************************************************************************/
 /* Exception processing */
-#ifndef CONFIG_USER_ONLY
 
-static const char *powerpc_excp_name(int excp)
+const char *powerpc_excp_name(int excp)
 {
     static const char * const excp_names[POWERPC_EXCP_NB] = {
         [POWERPC_EXCP_CRITICAL] = "CRITICAL",
@@ -108,6 +107,8 @@ static const char *powerpc_excp_name(int excp)
     return STR_ARRAY_ELEM_OR_NULL(excp_names, excp) ?: "unknown";
 }
 
+#ifndef CONFIG_USER_ONLY
+
 static void dump_syscall(CPUPPCState *env)
 {
     qemu_log_mask(CPU_LOG_INT, "syscall r0=%016" PRIx64
-- 
2.55.0