[PULL 36/75] target/openrisc: Introduce mo_endian() helper

Philippe Mathieu-Daudé posted 75 patches 4 weeks, 1 day ago
Maintainers: Laurent Vivier <laurent@vivier.eu>, Richard Henderson <richard.henderson@linaro.org>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, Brian Cain <brian.cain@oss.qualcomm.com>, Helge Deller <deller@gmx.de>, Song Gao <gaosong@loongson.cn>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <arikalo@gmail.com>, Stafford Horne <shorne@gmail.com>, Nicholas Piggin <npiggin@gmail.com>, Chinmay Rath <rathc@linux.ibm.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Yoshinori Sato <yoshinori.sato@nifty.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>
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[PULL 36/75] target/openrisc: Introduce mo_endian() helper
Posted by Philippe Mathieu-Daudé 4 weeks, 1 day ago
mo_endian() returns the target endianness.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20251010070702.51484-11-philmd@linaro.org>
---
 target/openrisc/translate.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c
index 623513bb15c..1a43e5ab6f7 100644
--- a/target/openrisc/translate.c
+++ b/target/openrisc/translate.c
@@ -59,6 +59,11 @@ typedef struct DisasContext {
     TCGv zero;
 } DisasContext;
 
+static inline MemOp mo_endian(DisasContext *dc)
+{
+    return MO_TE;
+}
+
 static inline bool is_user(DisasContext *dc)
 {
 #ifdef CONFIG_USER_ONLY
@@ -622,7 +627,8 @@ static bool trans_l_lwa(DisasContext *dc, arg_load *a)
     check_r0_write(dc, a->d);
     ea = tcg_temp_new();
     tcg_gen_addi_tl(ea, cpu_R(dc, a->a), a->i);
-    tcg_gen_qemu_ld_tl(cpu_R(dc, a->d), ea, dc->mem_idx, MO_TE | MO_UL);
+    tcg_gen_qemu_ld_tl(cpu_R(dc, a->d), ea, dc->mem_idx,
+                       mo_endian(dc) | MO_UL);
     tcg_gen_mov_tl(cpu_lock_addr, ea);
     tcg_gen_mov_tl(cpu_lock_value, cpu_R(dc, a->d));
     return true;
@@ -632,7 +638,7 @@ static void do_load(DisasContext *dc, arg_load *a, MemOp mop)
 {
     TCGv ea;
 
-    mop |= MO_TE;
+    mop |= mo_endian(dc);
 
     check_r0_write(dc, a->d);
     ea = tcg_temp_new();
@@ -690,7 +696,8 @@ static bool trans_l_swa(DisasContext *dc, arg_store *a)
 
     val = tcg_temp_new();
     tcg_gen_atomic_cmpxchg_tl(val, cpu_lock_addr, cpu_lock_value,
-                              cpu_R(dc, a->b), dc->mem_idx, MO_TE | MO_UL);
+                              cpu_R(dc, a->b), dc->mem_idx,
+                              mo_endian(dc) | MO_UL);
     tcg_gen_setcond_tl(TCG_COND_EQ, cpu_sr_f, val, cpu_lock_value);
 
     tcg_gen_br(lab_done);
@@ -707,7 +714,7 @@ static void do_store(DisasContext *dc, arg_store *a, MemOp mop)
 {
     TCGv t0 = tcg_temp_new();
 
-    mop |= MO_TE;
+    mop |= mo_endian(dc);
 
     tcg_gen_addi_tl(t0, cpu_R(dc, a->a), a->i);
     tcg_gen_qemu_st_tl(cpu_R(dc, a->b), t0, dc->mem_idx, mop);
-- 
2.51.0