target/s390x: Build system units in common source set

Except the ioinst.c file which uses the TARGET_PAGE_SIZE
definition in the ioinst_handle_chsc() method, all other
files in meson's s390x_system_ss[] source set don't use
any target-specific code. Moving them in the other
s390x_common_system_ss[] set to build as common objects
ensures these files won't use any target-specific API
such target_ulong / TARGET_PAGE_SIZE, thus forcing to use
the appropriate types instead (such vaddr, hwaddr, uint64_t,
...).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20260206181953.18683-8-philmd@linaro.org>

target/s390x/meson.build

@@ -20,10 +20,15 @@ s390x_ss.add(gen_features_h)
 
 s390x_system_ss = ss.source_set()
 s390x_system_ss.add(files(
+  'ioinst.c',
+))
+
+s390x_common_system_ss = ss.source_set()
+s390x_common_system_ss.add(gen_features_h)
+s390x_common_system_ss.add(files(
   'helper.c',
   'arch_dump.c',
   'diag.c',
-  'ioinst.c',
   'machine.c',
   'mmu_helper.c',
   'sigp.c',
@@ -41,4 +46,5 @@ subdir('kvm')
 
 target_arch += {'s390x': s390x_ss}
 target_system_arch += {'s390x': s390x_system_ss}
+target_common_system_arch += {'s390x': s390x_common_system_ss}
 target_user_arch += {'s390x': s390x_user_ss}

target/s390x/tcg/meson.build

@@ -12,6 +12,6 @@ s390x_ss.add(when: 'CONFIG_TCG', if_true: files(
   'vec_int_helper.c',
   'vec_string_helper.c',
 ))
-s390x_system_ss.add(when: 'CONFIG_TCG', if_true: files(
+s390x_common_system_ss.add(when: 'CONFIG_TCG', if_true: files(
   'debug.c',
 ))