target/arm/cpu: remove TARGET_AARCH64 in arm_cpu_finalize_features

Need to stub cpu64 finalize functions.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250512180502.2395029-10-pierrick.bouvier@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target/arm/cpu.c

@@ -1913,7 +1913,6 @@ void arm_cpu_finalize_features(ARMCPU *cpu, Error **errp)
 {
     Error *local_err = NULL;
 
-#ifdef TARGET_AARCH64
     if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
         arm_cpu_sve_finalize(cpu, &local_err);
         if (local_err != NULL) {
@@ -1949,7 +1948,6 @@ void arm_cpu_finalize_features(ARMCPU *cpu, Error **errp)
             return;
         }
     }
-#endif
 
     if (kvm_enabled()) {
         kvm_arm_steal_time_finalize(cpu, &local_err);

target/arm/cpu32-stubs.c

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "qemu/osdep.h"
+#include "target/arm/cpu.h"
+#include "target/arm/internals.h"
+#include <glib.h>
+
+void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp)
+{
+    g_assert_not_reached();
+}
+
+void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
+{
+    g_assert_not_reached();
+}
+
+void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
+{
+    g_assert_not_reached();
+}
+
+void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp)
+{
+    g_assert_not_reached();
+}

target/arm/meson.build

@@ -11,10 +11,13 @@ arm_ss.add(zlib)
 arm_ss.add(when: 'CONFIG_KVM', if_true: files('hyp_gdbstub.c', 'kvm.c'), if_false: files('kvm-stub.c'))
 arm_ss.add(when: 'CONFIG_HVF', if_true: files('hyp_gdbstub.c'))
 
-arm_ss.add(when: 'TARGET_AARCH64', if_true: files(
-  'cpu64.c',
-  'gdbstub64.c',
-))
+arm_ss.add(when: 'TARGET_AARCH64',
+  if_true: files(
+    'cpu64.c',
+    'gdbstub64.c'),
+  if_false: files(
+    'cpu32-stubs.c'),
+)
 
 arm_system_ss = ss.source_set()
 arm_system_ss.add(files(