[PATCH 15/20] target: Implement CPUClass::datapath_is_big_endian (big-endian)

[Philippe Mathieu-Daudé]

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

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
 target/hexagon/cpu.c  | 6 ++++++
 target/hppa/cpu.c     | 6 ++++++
 target/m68k/cpu.c     | 6 ++++++
 target/openrisc/cpu.c | 6 ++++++
 target/s390x/cpu.c    | 6 ++++++
 5 files changed, 30 insertions(+)

diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c
index 020038fc490..6407ed80c59 100644
--- a/target/hexagon/cpu.c
+++ b/target/hexagon/cpu.c
@@ -245,6 +245,11 @@ void hexagon_debug(CPUHexagonState *env)
     hexagon_dump(env, stdout, CPU_DUMP_FPU);
 }
 
+static bool hexagon_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return true;
+}
+
 static void hexagon_cpu_set_pc(CPUState *cs, vaddr value)
 {
     cpu_env(cs)->gpr[HEX_REG_PC] = value;
@@ -342,6 +347,7 @@ static void hexagon_cpu_class_init(ObjectClass *c, void 
*data)
                                        &mcc->parent_phases);
 
     cc->class_by_name = hexagon_cpu_class_by_name;
+    cc->datapath_is_big_endian = hexagon_cpu_datapath_is_big_endian;
     cc->has_work = hexagon_cpu_has_work;
     cc->dump_state = hexagon_dump_state;
     cc->set_pc = hexagon_cpu_set_pc;
diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index c38439c1800..8ccd224f2a4 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -203,6 +203,11 @@ static void hppa_cpu_initfn(Object *obj)
     cpu_hppa_put_psw(env, PSW_W);
 }
 
+static bool hppa_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return true;
+}
+
 static ObjectClass *hppa_cpu_class_by_name(const char *cpu_model)
 {
     g_autofree char *typename = g_strconcat(cpu_model, "-cpu", NULL);
@@ -245,6 +250,7 @@ static void hppa_cpu_class_init(ObjectClass *oc, void *data)
                                     &acc->parent_realize);
 
     cc->class_by_name = hppa_cpu_class_by_name;
+    cc->datapath_is_big_endian = hppa_cpu_datapath_is_big_endian;
     cc->has_work = hppa_cpu_has_work;
     cc->mmu_index = hppa_cpu_mmu_index;
     cc->dump_state = hppa_cpu_dump_state;
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index 5fe335558aa..52f8db41d5a 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -24,6 +24,11 @@
 #include "migration/vmstate.h"
 #include "fpu/softfloat.h"
 
+static bool m68k_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return true;
+}
+
 static void m68k_cpu_set_pc(CPUState *cs, vaddr value)
 {
     M68kCPU *cpu = M68K_CPU(cs);
@@ -571,6 +576,7 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
                                        &mcc->parent_phases);
 
     cc->class_by_name = m68k_cpu_class_by_name;
+    cc->datapath_is_big_endian = m68k_cpu_datapath_is_big_endian;
     cc->has_work = m68k_cpu_has_work;
     cc->mmu_index = m68k_cpu_mmu_index;
     cc->dump_state = m68k_cpu_dump_state;
diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index b96561d1f26..16e39b43ec4 100644
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -25,6 +25,11 @@
 #include "fpu/softfloat-helpers.h"
 #include "tcg/tcg.h"
 
+static bool openrisc_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return true;
+}
+
 static void openrisc_cpu_set_pc(CPUState *cs, vaddr value)
 {
     OpenRISCCPU *cpu = OPENRISC_CPU(cs);
@@ -257,6 +262,7 @@ static void openrisc_cpu_class_init(ObjectClass *oc, void 
*data)
                                        &occ->parent_phases);
 
     cc->class_by_name = openrisc_cpu_class_by_name;
+    cc->datapath_is_big_endian = openrisc_cpu_datapath_is_big_endian;
     cc->has_work = openrisc_cpu_has_work;
     cc->mmu_index = openrisc_cpu_mmu_index;
     cc->dump_state = openrisc_cpu_dump_state;
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 514c70f3010..eda1e3b286f 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -44,6 +44,11 @@
 #define CR0_RESET       0xE0UL
 #define CR14_RESET      0xC2000000UL;
 
+static bool s390_cpu_datapath_is_big_endian(CPUState *cs)
+{
+    return true;
+}
+
 #ifndef CONFIG_USER_ONLY
 static bool is_early_exception_psw(uint64_t mask, uint64_t addr)
 {
@@ -390,6 +395,7 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
                                        &scc->parent_phases);
 
     cc->class_by_name = s390_cpu_class_by_name,
+    cc->datapath_is_big_endian = s390_cpu_datapath_is_big_endian;
     cc->has_work = s390_cpu_has_work;
     cc->mmu_index = s390x_cpu_mmu_index;
     cc->dump_state = s390_cpu_dump_state;
-- 
2.45.2