target/arm: Build cpu32-system.o as common object

cpu32.c only contains CPU types used in 32-bit system emulation:
rename it as cpu32-system.c; always compile the file but only
register the QOM types for the 32-bit binary.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20260526203722.79463-17-philmd@linaro.org>

target/arm/tcg/cpu32-system.c

@@ -1,5 +1,5 @@
 /*
- * QEMU ARM TCG-only CPUs.
+ * QEMU ARM TCG-only CPUs (not needed for the AArch64 linux-user build)
  *
  * Copyright (c) 2012 SUSE LINUX Products GmbH
  *
@@ -13,15 +13,9 @@
 #include "cpu.h"
 #include "accel/tcg/cpu-ops.h"
 #include "internals.h"
-#if !defined(CONFIG_USER_ONLY)
 #include "hw/core/boards.h"
-#endif
 #include "cpregs.h"
 
-
-/* CPU models. These are not needed for the AArch64 linux-user build. */
-#if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
-
 static void arm926_initfn(Object *obj)
 {
     ARMCPU *cpu = ARM_CPU(obj);
@@ -746,5 +740,3 @@ static void arm_tcg_cpu_register_types(void)
 }
 
 type_init(arm_tcg_cpu_register_types)
-
-#endif /* !CONFIG_USER_ONLY || !TARGET_AARCH64 */

target/arm/tcg/meson.build

@@ -30,10 +30,6 @@ translate32_d = [
 arm_ss.add(when: 'TARGET_AARCH64', if_true: gen_a64)
 arm_stubs_ss.add(files('stubs32.c'))
 
-arm_ss.add(files(
-  'cpu32.c',
-))
-
 arm_ss.add(when: 'TARGET_AARCH64', if_true: files(
   'gengvec64.c',
   'translate-a64.c',
@@ -85,6 +81,7 @@ arm_common_user_system_ss.add(when: 'TARGET_AARCH64', if_true: files(
 
 arm_common_system_ss.add(files(
   'cpregs-at.c',
+  'cpu32-system.c',
   'gicv5-cpuif.c',
   'psci.c',
   'tlb_helper.c',