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Fri, 10 Apr 2026 13:07:04 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Peter Maydell , qemu-arm@nongnu.org, Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [RFC PATCH 5/9] target/arm: Introduce mo_endian() helper Date: Fri, 10 Apr 2026 22:06:24 +0200 Message-ID: <20260410200628.19378-6-philmd@linaro.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260410200628.19378-1-philmd@linaro.org> References: <20260410200628.19378-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42e; envelope-from=philmd@linaro.org; helo=mail-wr1-x42e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1775851668979158500 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/internals.h | 3 +++ target/arm/helper.c | 8 ++++++++ target/arm/tcg/mve_helper.c | 3 ++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index e92a967f575..f21555a69fd 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -28,6 +28,7 @@ #include "exec/hwaddr.h" #include "exec/vaddr.h" #include "exec/breakpoint.h" +#include "exec/memop.h" #include "accel/tcg/tb-cpu-state.h" #include "hw/core/registerfields.h" #include "tcg/tcg-gvec-desc.h" @@ -46,6 +47,8 @@ #define BANK_HYP 6 #define BANK_MON 7 =20 +MemOp mo_endian(CPUARMState *env); + static inline int arm_env_mmu_index(CPUARMState *env) { return EX_TBFLAG_ANY(env->hflags, MMUIDX); diff --git a/target/arm/helper.c b/target/arm/helper.c index 7389f2988c4..037d2bcf376 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -38,6 +38,14 @@ =20 static void switch_mode(CPUARMState *env, int mode); =20 +MemOp mo_endian(CPUARMState *env) +{ + if (!is_a64(env) && arm_cpu_data_is_big_endian_a32(env, arm_sctlr_b(en= v))) { + return MO_BE; + } + return MO_LE; +} + int compare_u64(const void *a, const void *b) { if (*(uint64_t *)a > *(uint64_t *)b) { diff --git a/target/arm/tcg/mve_helper.c b/target/arm/tcg/mve_helper.c index 4bea0991de9..a5a23c97056 100644 --- a/target/arm/tcg/mve_helper.c +++ b/target/arm/tcg/mve_helper.c @@ -299,7 +299,8 @@ DO_VSTR(vstrh_w, MO_UW, 2, stw, 4, int32_t) unsigned e; \ uint32_t addr; \ int mmu_idx =3D arm_to_core_mmu_idx(arm_mmu_idx(env)); \ - MemOpIdx oi =3D make_memop_idx(MO_TE | MO_UL | MO_ALIGN, mmu_idx);\ + MemOpIdx oi =3D make_memop_idx(mo_endian(env) | MO_UL | MO_ALIGN, \ + mmu_idx); \ for (e =3D 0; e < 16 / 4; e++, mask >>=3D 4, eci_mask >>=3D 4) { = \ if (!(eci_mask & 1)) { \ continue; \ --=20 2.53.0