[PATCH v4 05/11] target/ppc: Introduce the mo_endian_env() helper

Philippe Mathieu-Daudé posted 11 patches 2 days, 13 hours ago
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[PATCH v4 05/11] target/ppc: Introduce the mo_endian_env() helper
Posted by Philippe Mathieu-Daudé 2 days, 13 hours ago
Introduce mo_endian_env() which returns the endian MemOp
from the vCPU env pointer. Keep it hardcoded as MO_TE.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/ppc/internal.h        |  6 ++++++
 target/ppc/mem_helper.c      | 10 +++++-----
 target/ppc/tcg-excp_helper.c |  2 +-
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/target/ppc/internal.h b/target/ppc/internal.h
index 58f315ffcf5..09333bed342 100644
--- a/target/ppc/internal.h
+++ b/target/ppc/internal.h
@@ -19,10 +19,16 @@
 #define PPC_INTERNAL_H
 
 #include "exec/breakpoint.h"
+#include "exec/memop.h"
 #include "hw/core/registerfields.h"
 #include "exec/page-protection.h"
 #include "accel/tcg/tb-cpu-state.h"
 
+static inline MemOp mo_endian_env(const CPUPPCState *env)
+{
+    return MO_TE;
+}
+
 /* PM instructions */
 typedef enum {
     PPC_PM_DOZE,
diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c
index cf8f1fa9c1e..3c91d641f9a 100644
--- a/target/ppc/mem_helper.c
+++ b/target/ppc/mem_helper.c
@@ -88,7 +88,7 @@ void helper_lmw(CPUPPCState *env, target_ulong addr, uint32_t reg)
         }
     } else {
         /* Slow path -- at least some of the operation requires i/o.  */
-        MemOp op = MO_TE | MO_UL | MO_UNALN;
+        MemOp op = mo_endian_env(env) | MO_UL | MO_UNALN;
         MemOpIdx oi = make_memop_idx(op, mmu_idx);
 
         for (; reg < 32; reg++) {
@@ -114,7 +114,7 @@ void helper_stmw(CPUPPCState *env, target_ulong addr, uint32_t reg)
     } else {
         /* Slow path -- at least some of the operation requires i/o.  */
         for (; reg < 32; reg++) {
-            MemOp op = MO_TE | MO_UL | MO_UNALN;
+            MemOp op = mo_endian_env(env) | MO_UL | MO_UNALN;
             MemOpIdx oi = make_memop_idx(op, mmu_idx);
 
             cpu_stl_mmu(env, addr, env->gpr[reg], oi, raddr);
@@ -158,7 +158,7 @@ static void do_lsw(CPUPPCState *env, target_ulong addr, uint32_t nb,
             break;
         }
     } else {
-        MemOp op = MO_TE | MO_UL | MO_UNALN;
+        MemOp op = mo_endian_env(env) | MO_UL | MO_UNALN;
         MemOpIdx oi = make_memop_idx(op, mmu_idx);
 
         /* Slow path -- at least some of the operation requires i/o.  */
@@ -252,7 +252,7 @@ void helper_stsw(CPUPPCState *env, target_ulong addr, uint32_t nb,
             break;
         }
     } else {
-        MemOp op = MO_TE | MO_UL | MO_UNALN;
+        MemOp op = mo_endian_env(env) | MO_UL | MO_UNALN;
         MemOpIdx oi = make_memop_idx(op, mmu_idx);
 
         for (; nb > 3; nb -= 4) {
@@ -300,7 +300,7 @@ static void dcbz_common(CPUPPCState *env, target_ulong addr,
     haddr = probe_write(env, addr, dcbz_size, mmu_idx, retaddr);
     if (unlikely(!haddr)) {
         /* Slow path */
-        MemOp op = MO_TE | MO_UQ | MO_UNALN;
+        MemOp op = mo_endian_env(env) | MO_UQ | MO_UNALN;
         MemOpIdx oi = make_memop_idx(op, mmu_idx);
 
         for (int i = 0; i < dcbz_size; i += 8) {
diff --git a/target/ppc/tcg-excp_helper.c b/target/ppc/tcg-excp_helper.c
index a8c67364669..77d21523a5b 100644
--- a/target/ppc/tcg-excp_helper.c
+++ b/target/ppc/tcg-excp_helper.c
@@ -161,7 +161,7 @@ static void do_hash(CPUPPCState *env, target_ulong ea, target_ulong ra,
 {
     uint64_t calculated_hash = hash_digest(ra, rb, key), loaded_hash;
     unsigned mmu_idx = cpu_mmu_index(env_cpu(env), false);
-    MemOp op = MO_TE | MO_UQ;
+    MemOp op = mo_endian_env(env) | MO_UQ;
     MemOpIdx oi = make_memop_idx(op, mmu_idx);
     uintptr_t retaddr = GETPC();
 
-- 
2.52.0