target/microblaze: Introduce mo_endian() helper

mo_endian() returns the target endianness, currently static.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241105130431.22564-16-philmd@linaro.org>

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 0d51b2c468c2953e2c760b3bb58bd805683d2c6d..b5389d65b2eacaa583069321869c8ce408a67cff 100644 (file)
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -708,12 +708,17 @@ static void record_unaligned_ess(DisasContext *dc, int rd,
 }
 #endif
 
+static inline MemOp mo_endian(DisasContext *dc)
+{
+    return MO_TE;
+}
+
 static bool do_load(DisasContext *dc, int rd, TCGv addr, MemOp mop,
                     int mem_index, bool rev)
 {
     MemOp size = mop & MO_SIZE;
 
-    mop |= MO_TE;
+    mop |= mo_endian(dc);
 
     /*
      * When doing reverse accesses we need to do two things.
@@ -848,7 +853,8 @@ static bool trans_lwx(DisasContext *dc, arg_typea *arg)
     /* lwx does not throw unaligned access errors, so force alignment */
     tcg_gen_andi_tl(addr, addr, ~3);
 
-    tcg_gen_qemu_ld_i32(cpu_res_val, addr, dc->mem_index, MO_TE | MO_UL);
+    tcg_gen_qemu_ld_i32(cpu_res_val, addr, dc->mem_index,
+                        mo_endian(dc) | MO_UL);
     tcg_gen_mov_tl(cpu_res_addr, addr);
 
     if (arg->rd) {
@@ -865,7 +871,7 @@ static bool do_store(DisasContext *dc, int rd, TCGv addr, MemOp mop,
 {
     MemOp size = mop & MO_SIZE;
 
-    mop |= MO_TE;
+    mop |= mo_endian(dc);
 
     /*
      * When doing reverse accesses we need to do two things.
@@ -1019,7 +1025,7 @@ static bool trans_swx(DisasContext *dc, arg_typea *arg)
 
     tcg_gen_atomic_cmpxchg_i32(tval, cpu_res_addr, cpu_res_val,
                                reg_for_write(dc, arg->rd),
-                               dc->mem_index, MO_TE | MO_UL);
+                               dc->mem_index, mo_endian(dc) | MO_UL);
 
     tcg_gen_brcond_i32(TCG_COND_NE, cpu_res_val, tval, swx_fail);