[PATCH 2/8] hw/core/cpu: Introduce CPUClass::is_big_endian() handler

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Introduce the CPUClass::is_big_endian() handler and its
common default.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/core/cpu.h | 3 ++-
 hw/core/cpu-common.c  | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 04e9ad49968..22ef7a44e86 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -150,6 +150,7 @@ struct CPUClass {
     ObjectClass *(*class_by_name)(const char *cpu_model);
     void (*parse_features)(const char *typename, char *str, Error **errp);
 
+    bool (*is_big_endian)(CPUState *cpu);
     bool (*has_work)(CPUState *cpu);
     int (*mmu_index)(CPUState *cpu, bool ifetch);
     int (*memory_rw_debug)(CPUState *cpu, vaddr addr,
@@ -749,7 +750,7 @@ int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs);
  */
 bool cpu_virtio_is_big_endian(CPUState *cpu);
 
-#endif /* CONFIG_USER_ONLY */
+#endif /* !CONFIG_USER_ONLY */
 
 /**
  * cpu_list_add:
diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c
index 7982ecd39a5..aa5ea9761e4 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -26,6 +26,7 @@
 #include "qemu/main-loop.h"
 #include "exec/log.h"
 #include "exec/gdbstub.h"
+#include "exec/tswap.h"
 #include "sysemu/tcg.h"
 #include "hw/boards.h"
 #include "hw/qdev-properties.h"
@@ -138,6 +139,11 @@ static void cpu_common_reset_hold(Object *obj, ResetType type)
     cpu_exec_reset_hold(cpu);
 }
 
+static bool cpu_common_is_big_endian(CPUState *cs)
+{
+    return target_words_bigendian();
+}
+
 static bool cpu_common_has_work(CPUState *cs)
 {
     return false;
@@ -306,6 +312,7 @@ static void cpu_common_class_init(ObjectClass *klass, void *data)
 
     k->parse_features = cpu_common_parse_features;
     k->get_arch_id = cpu_common_get_arch_id;
+    k->is_big_endian = cpu_common_is_big_endian;
     k->has_work = cpu_common_has_work;
     k->gdb_read_register = cpu_common_gdb_read_register;
     k->gdb_write_register = cpu_common_gdb_write_register;
-- 
2.45.2