target/xtensa: Finalize config in xtensa_register_core()

Make XtensaConfigList::config not const. Only modify
XtensaConfig within xtensa_register_core(), when the
class is registered, not when it is initialized.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20250210133134.90879-4-philmd@linaro.org>

2 files changed, 4 insertions, 3 deletions

diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index 0e6302c..8d70bfc 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -490,7 +490,7 @@ typedef struct XtensaConfig {
 } XtensaConfig;
 
 typedef struct XtensaConfigList {
-    const XtensaConfig *config;
+    XtensaConfig *config;
     struct XtensaConfigList *next;
 } XtensaConfigList;
 
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
index 2978c47..f64699b 100644
--- a/target/xtensa/helper.c
+++ b/target/xtensa/helper.c
@@ -173,9 +173,8 @@ static void xtensa_core_class_init(ObjectClass *oc, void *data)
 {
     CPUClass *cc = CPU_CLASS(oc);
     XtensaCPUClass *xcc = XTENSA_CPU_CLASS(oc);
-    XtensaConfig *config = data;
+    const XtensaConfig *config = data;
 
-    xtensa_finalize_config(config);
     xcc->config = config;
 
     /*
@@ -195,6 +194,8 @@ void xtensa_register_core(XtensaConfigList *node)
         .class_data = (void *)node->config,
     };
 
+    xtensa_finalize_config(node->config);
+
     node->next = xtensa_cores;
     xtensa_cores = node;
     type.name = g_strdup_printf(XTENSA_CPU_TYPE_NAME("%s"), node->config->name);