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Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 6/8] target/s390x: Use big-endian variant of cpu_ld/st_data*() Date: Wed, 24 Dec 2025 17:20:33 +0100 Message-ID: <20251224162036.90404-7-philmd@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251224162036.90404-1-philmd@linaro.org> References: <20251224162036.90404-1-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 (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::32c; envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.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=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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: 1766593349755158501 We only build the S390x target using big endianness order, therefore the cpu_ld/st_data*() definitions expand to the big endian declarations. Use the explicit big-endian variants. Mechanical change running: $ tgt=3Ds390x; \ end=3Dbe; \ for op in data mmuidx_ra; do \ for ac in uw sw l q; do \ sed -i -e "s/cpu_ld${ac}_${op}/cpu_ld${ac}_${end}_${op}/" \ $(git grep -l cpu_ target/${tgt}/); \ done; for ac in w l q; do \ sed -i -e "s/cpu_st${ac}_${op}/cpu_st${ac}_${end}_${op}/" \ $(git grep -l cpu_ target/${tgt}/); \ done; done Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Thomas Huth Reviewed-by: Manos Pitsidianakis --- target/s390x/tcg/mem_helper.c | 48 +++++++++++++++++------------------ target/s390x/tcg/vec_helper.c | 8 +++--- 2 files changed, 28 insertions(+), 28 deletions(-) diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c index ce9ced8275f..8a7d78f9108 100644 --- a/target/s390x/tcg/mem_helper.c +++ b/target/s390x/tcg/mem_helper.c @@ -101,7 +101,7 @@ static inline uint64_t cpu_ldusize_data_ra(CPUS390XStat= e *env, uint64_t addr, case 1: return cpu_ldub_data_ra(env, addr, ra); case 2: - return cpu_lduw_data_ra(env, addr, ra); + return cpu_lduw_be_data_ra(env, addr, ra); default: abort(); } @@ -117,7 +117,7 @@ static inline void cpu_stsize_data_ra(CPUS390XState *en= v, uint64_t addr, cpu_stb_data_ra(env, addr, value, ra); break; case 2: - cpu_stw_data_ra(env, addr, value, ra); + cpu_stw_be_data_ra(env, addr, value, ra); break; default: abort(); @@ -865,7 +865,7 @@ void HELPER(srstu)(CPUS390XState *env, uint32_t r1, uin= t32_t r2) env->cc_op =3D 2; return; } - v =3D cpu_lduw_data_ra(env, str + len, ra); + v =3D cpu_lduw_be_data_ra(env, str + len, ra); if (v =3D=3D c) { /* Character found. Set R1 to the location; R2 is unmodified.= */ env->cc_op =3D 1; @@ -1023,7 +1023,7 @@ void HELPER(lam)(CPUS390XState *env, uint32_t r1, uin= t64_t a2, uint32_t r3) } =20 for (i =3D r1;; i =3D (i + 1) % 16) { - env->aregs[i] =3D cpu_ldl_data_ra(env, a2, ra); + env->aregs[i] =3D cpu_ldl_be_data_ra(env, a2, ra); a2 +=3D 4; =20 if (i =3D=3D r3) { @@ -1043,7 +1043,7 @@ void HELPER(stam)(CPUS390XState *env, uint32_t r1, ui= nt64_t a2, uint32_t r3) } =20 for (i =3D r1;; i =3D (i + 1) % 16) { - cpu_stl_data_ra(env, a2, env->aregs[i], ra); + cpu_stl_be_data_ra(env, a2, env->aregs[i], ra); a2 +=3D 4; =20 if (i =3D=3D r3) { @@ -1364,7 +1364,7 @@ Int128 HELPER(cksm)(CPUS390XState *env, uint64_t r1, =20 /* Process full words as available. */ for (len =3D 0; len + 4 <=3D max_len; len +=3D 4, src +=3D 4) { - cksm +=3D (uint32_t)cpu_ldl_data_ra(env, src, ra); + cksm +=3D (uint32_t)cpu_ldl_be_data_ra(env, src, ra); } =20 switch (max_len - len) { @@ -1373,11 +1373,11 @@ Int128 HELPER(cksm)(CPUS390XState *env, uint64_t r1, len +=3D 1; break; case 2: - cksm +=3D cpu_lduw_data_ra(env, src, ra) << 16; + cksm +=3D cpu_lduw_be_data_ra(env, src, ra) << 16; len +=3D 2; break; case 3: - cksm +=3D cpu_lduw_data_ra(env, src, ra) << 16; + cksm +=3D cpu_lduw_be_data_ra(env, src, ra) << 16; cksm +=3D cpu_ldub_data_ra(env, src + 2, ra) << 8; len +=3D 3; break; @@ -1956,7 +1956,7 @@ void HELPER(lctlg)(CPUS390XState *env, uint32_t r1, u= int64_t a2, uint32_t r3) } =20 for (i =3D r1;; i =3D (i + 1) % 16) { - uint64_t val =3D cpu_ldq_data_ra(env, src, ra); + uint64_t val =3D cpu_ldq_be_data_ra(env, src, ra); if (env->cregs[i] !=3D val && i >=3D 9 && i <=3D 11) { PERchanged =3D true; } @@ -1993,7 +1993,7 @@ void HELPER(lctl)(CPUS390XState *env, uint32_t r1, ui= nt64_t a2, uint32_t r3) } =20 for (i =3D r1;; i =3D (i + 1) % 16) { - uint32_t val =3D cpu_ldl_data_ra(env, src, ra); + uint32_t val =3D cpu_ldl_be_data_ra(env, src, ra); uint64_t val64 =3D deposit64(env->cregs[i], 0, 32, val); if ((uint32_t)env->cregs[i] !=3D val && i >=3D 9 && i <=3D 11) { PERchanged =3D true; @@ -2029,7 +2029,7 @@ void HELPER(stctg)(CPUS390XState *env, uint32_t r1, u= int64_t a2, uint32_t r3) } =20 for (i =3D r1;; i =3D (i + 1) % 16) { - cpu_stq_data_ra(env, dest, env->cregs[i], ra); + cpu_stq_be_data_ra(env, dest, env->cregs[i], ra); dest +=3D sizeof(uint64_t); =20 if (i =3D=3D r3) { @@ -2049,7 +2049,7 @@ void HELPER(stctl)(CPUS390XState *env, uint32_t r1, u= int64_t a2, uint32_t r3) } =20 for (i =3D r1;; i =3D (i + 1) % 16) { - cpu_stl_data_ra(env, dest, env->cregs[i], ra); + cpu_stl_be_data_ra(env, dest, env->cregs[i], ra); dest +=3D sizeof(uint32_t); =20 if (i =3D=3D r3) { @@ -2066,7 +2066,7 @@ uint32_t HELPER(testblock)(CPUS390XState *env, uint64= _t real_addr) real_addr =3D wrap_address(env, real_addr) & TARGET_PAGE_MASK; =20 for (i =3D 0; i < TARGET_PAGE_SIZE; i +=3D 8) { - cpu_stq_mmuidx_ra(env, real_addr + i, 0, MMU_REAL_IDX, ra); + cpu_stq_be_mmuidx_ra(env, real_addr + i, 0, MMU_REAL_IDX, ra); } =20 return 0; @@ -2325,11 +2325,11 @@ void HELPER(idte)(CPUS390XState *env, uint64_t r1, = uint64_t r2, uint32_t m4) for (i =3D 0; i < entries; i++) { /* addresses are not wrapped in 24/31bit mode but table index = is */ raddr =3D table + ((index + i) & 0x7ff) * sizeof(entry); - entry =3D cpu_ldq_mmuidx_ra(env, raddr, MMU_REAL_IDX, ra); + entry =3D cpu_ldq_be_mmuidx_ra(env, raddr, MMU_REAL_IDX, ra); if (!(entry & REGION_ENTRY_I)) { /* we are allowed to not store if already invalid */ entry |=3D REGION_ENTRY_I; - cpu_stq_mmuidx_ra(env, raddr, entry, MMU_REAL_IDX, ra); + cpu_stq_be_mmuidx_ra(env, raddr, entry, MMU_REAL_IDX, ra); } } } @@ -2356,9 +2356,9 @@ void HELPER(ipte)(CPUS390XState *env, uint64_t pto, u= int64_t vaddr, pte_addr +=3D VADDR_PAGE_TX(vaddr) * 8; =20 /* Mark the page table entry as invalid */ - pte =3D cpu_ldq_mmuidx_ra(env, pte_addr, MMU_REAL_IDX, ra); + pte =3D cpu_ldq_be_mmuidx_ra(env, pte_addr, MMU_REAL_IDX, ra); pte |=3D PAGE_ENTRY_I; - cpu_stq_mmuidx_ra(env, pte_addr, pte, MMU_REAL_IDX, ra); + cpu_stq_be_mmuidx_ra(env, pte_addr, pte, MMU_REAL_IDX, ra); =20 /* XXX we exploit the fact that Linux passes the exact virtual address here - it's not obliged to! */ @@ -2700,7 +2700,7 @@ static int decode_utf16(CPUS390XState *env, uint64_t = addr, uint64_t ilen, if (ilen < 2) { return 0; } - s0 =3D cpu_lduw_data_ra(env, addr, ra); + s0 =3D cpu_lduw_be_data_ra(env, addr, ra); if ((s0 & 0xfc00) !=3D 0xd800) { /* one word character */ l =3D 2; @@ -2711,7 +2711,7 @@ static int decode_utf16(CPUS390XState *env, uint64_t = addr, uint64_t ilen, if (ilen < 4) { return 0; } - s1 =3D cpu_lduw_data_ra(env, addr + 2, ra); + s1 =3D cpu_lduw_be_data_ra(env, addr + 2, ra); c =3D extract32(s0, 6, 4) + 1; c =3D (c << 6) | (s0 & 0x3f); c =3D (c << 10) | (s1 & 0x3ff); @@ -2735,7 +2735,7 @@ static int decode_utf32(CPUS390XState *env, uint64_t = addr, uint64_t ilen, if (ilen < 4) { return 0; } - c =3D cpu_ldl_data_ra(env, addr, ra); + c =3D cpu_ldl_be_data_ra(env, addr, ra); if ((c >=3D 0xd800 && c <=3D 0xdbff) || c > 0x10ffff) { /* invalid unicode character */ return 2; @@ -2797,7 +2797,7 @@ static int encode_utf16(CPUS390XState *env, uint64_t = addr, uint64_t ilen, if (ilen < 2) { return 1; } - cpu_stw_data_ra(env, addr, c, ra); + cpu_stw_be_data_ra(env, addr, c, ra); *olen =3D 2; } else { /* two word character */ @@ -2807,8 +2807,8 @@ static int encode_utf16(CPUS390XState *env, uint64_t = addr, uint64_t ilen, d1 =3D 0xdc00 | extract32(c, 0, 10); d0 =3D 0xd800 | extract32(c, 10, 6); d0 =3D deposit32(d0, 6, 4, extract32(c, 16, 5) - 1); - cpu_stw_data_ra(env, addr + 0, d0, ra); - cpu_stw_data_ra(env, addr + 2, d1, ra); + cpu_stw_be_data_ra(env, addr + 0, d0, ra); + cpu_stw_be_data_ra(env, addr + 2, d1, ra); *olen =3D 4; } =20 @@ -2821,7 +2821,7 @@ static int encode_utf32(CPUS390XState *env, uint64_t = addr, uint64_t ilen, if (ilen < 4) { return 1; } - cpu_stl_data_ra(env, addr, c, ra); + cpu_stl_be_data_ra(env, addr, c, ra); *olen =3D 4; return -1; } diff --git a/target/s390x/tcg/vec_helper.c b/target/s390x/tcg/vec_helper.c index 46ec4a947dd..304745c971b 100644 --- a/target/s390x/tcg/vec_helper.c +++ b/target/s390x/tcg/vec_helper.c @@ -45,9 +45,9 @@ void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t a= ddr, uint64_t bytes) if (likely(bytes >=3D 16)) { uint64_t t0, t1; =20 - t0 =3D cpu_ldq_data_ra(env, addr, GETPC()); + t0 =3D cpu_ldq_be_data_ra(env, addr, GETPC()); addr =3D wrap_address(env, addr + 8); - t1 =3D cpu_ldq_data_ra(env, addr, GETPC()); + t1 =3D cpu_ldq_be_data_ra(env, addr, GETPC()); s390_vec_write_element64(v1, 0, t0); s390_vec_write_element64(v1, 1, t1); } else { @@ -195,9 +195,9 @@ void HELPER(vstl)(CPUS390XState *env, const void *v1, u= int64_t addr, probe_write_access(env, addr, MIN(bytes, 16), GETPC()); =20 if (likely(bytes >=3D 16)) { - cpu_stq_data_ra(env, addr, s390_vec_read_element64(v1, 0), GETPC()= ); + cpu_stq_be_data_ra(env, addr, s390_vec_read_element64(v1, 0), GETP= C()); addr =3D wrap_address(env, addr + 8); - cpu_stq_data_ra(env, addr, s390_vec_read_element64(v1, 1), GETPC()= ); + cpu_stq_be_data_ra(env, addr, s390_vec_read_element64(v1, 1), GETP= C()); } else { int i; =20 --=20 2.52.0