[PATCH 14/20] target: Implement CPUClass::datapath_is_big_endian (little-endian)

[Philippe Mathieu-Daudé]

For all targets which have endianness architecturally
predefined as little endian (built using TARGET_BIG_ENDIAN=n),
their datapath_is_big_endian() handler simply returns %false.

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
 target/alpha/cpu.c     | 6 ++++++
 target/avr/cpu.c       | 7 ++++++-
 target/i386/cpu.c      | 6 ++++++
 target/loongarch/cpu.c | 6 ++++++
 target/tricore/cpu.c   | 6 ++++++
 5 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
index 5d75c941f7a..ee844a4c455 100644
--- a/target/alpha/cpu.c
+++ b/target/alpha/cpu.c
@@ -27,6 +27,11 @@
 #include "fpu/softfloat.h"
 
 
+static bool alpha_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return false;
+}
+
 static void alpha_cpu_set_pc(CPUState *cs, vaddr value)
 {
     CPUAlphaState *env = cpu_env(cs);
@@ -247,6 +252,7 @@ static void alpha_cpu_class_init(ObjectClass *oc, void 
*data)
                                     &acc->parent_realize);
 
     cc->class_by_name = alpha_cpu_class_by_name;
+    cc->datapath_is_big_endian = alpha_cpu_datapath_is_big_endian;
     cc->has_work = alpha_cpu_has_work;
     cc->mmu_index = alpha_cpu_mmu_index;
     cc->dump_state = alpha_cpu_dump_state;
diff --git a/target/avr/cpu.c b/target/avr/cpu.c
index 3132842d565..f32f1bee61f 100644
--- a/target/avr/cpu.c
+++ b/target/avr/cpu.c
@@ -159,6 +159,11 @@ static ObjectClass *avr_cpu_class_by_name(const char 
*cpu_model)
     return object_class_by_name(cpu_model);
 }
 
+static bool avr_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return false;
+}
+
 static void avr_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 {
     CPUAVRState *env = cpu_env(cs);
@@ -230,7 +235,7 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data)
                                        &mcc->parent_phases);
 
     cc->class_by_name = avr_cpu_class_by_name;
-
+    cc->datapath_is_big_endian = avr_cpu_datapath_is_big_endian;
     cc->has_work = avr_cpu_has_work;
     cc->mmu_index = avr_cpu_mmu_index;
     cc->dump_state = avr_cpu_dump_state;
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 3725dbbc4b3..f783d311579 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2008,6 +2008,11 @@ static char *x86_cpu_class_get_model_name(X86CPUClass 
*cc)
     return cpu_model_from_type(class_name);
 }
 
+static bool x86_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return false;
+}
+
 typedef struct X86CPUVersionDefinition {
     X86CPUVersion version;
     const char *alias;
@@ -8588,6 +8593,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, 
void *data)
 
     cc->class_by_name = x86_cpu_class_by_name;
     cc->parse_features = x86_cpu_parse_featurestr;
+    cc->datapath_is_big_endian = x86_cpu_datapath_is_big_endian;
     cc->has_work = x86_cpu_has_work;
     cc->mmu_index = x86_cpu_mmu_index;
     cc->dump_state = x86_cpu_dump_state;
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 57cc4f314bf..b9cf0091546 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -742,6 +742,11 @@ static ObjectClass *loongarch_cpu_class_by_name(const char 
*cpu_model)
     return oc;
 }
 
+static bool loongarch_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return false;
+}
+
 void loongarch_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 {
     CPULoongArchState *env = cpu_env(cs);
@@ -836,6 +841,7 @@ static void loongarch_cpu_class_init(ObjectClass *c, void 
*data)
                                        &lacc->parent_phases);
 
     cc->class_by_name = loongarch_cpu_class_by_name;
+    cc->datapath_is_big_endian = loongarch_cpu_datapath_is_big_endian;
     cc->has_work = loongarch_cpu_has_work;
     cc->mmu_index = loongarch_cpu_mmu_index;
     cc->dump_state = loongarch_cpu_dump_state;
diff --git a/target/tricore/cpu.c b/target/tricore/cpu.c
index 1a261715907..ba53d83f662 100644
--- a/target/tricore/cpu.c
+++ b/target/tricore/cpu.c
@@ -29,6 +29,11 @@ static inline void set_feature(CPUTriCoreState *env, int 
feature)
     env->features |= 1ULL << feature;
 }
 
+static bool tricore_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return false;
+}
+
 static const gchar *tricore_gdb_arch_name(CPUState *cs)
 {
     return "tricore";
@@ -191,6 +196,7 @@ static void tricore_cpu_class_init(ObjectClass *c, void 
*data)
     resettable_class_set_parent_phases(rc, NULL, tricore_cpu_reset_hold, NULL,
                                        &mcc->parent_phases);
     cc->class_by_name = tricore_cpu_class_by_name;
+    cc->datapath_is_big_endian = tricore_cpu_datapath_is_big_endian;
     cc->has_work = tricore_cpu_has_work;
     cc->mmu_index = tricore_cpu_mmu_index;
 
-- 
2.45.2