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GET /api/patches/1992912/?format=api
{ "id": 1992912, "url": "http://patchwork.ozlabs.org/api/patches/1992912/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20241004163042.85922-24-philmd@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20241004163042.85922-24-philmd@linaro.org>", "list_archive_url": null, "date": "2024-10-04T16:30:39", "name": "[v2,23/25] target/s390x: Use explicit big-endian LD/ST API", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8dfb3500aa2c21635406ba88db14cf7aeabba934", "submitter": { "id": 85046, "url": "http://patchwork.ozlabs.org/api/people/85046/?format=api", "name": "Philippe Mathieu-Daudé", "email": "philmd@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20241004163042.85922-24-philmd@linaro.org/mbox/", "series": [ { "id": 426623, "url": "http://patchwork.ozlabs.org/api/series/426623/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=426623", "date": "2024-10-04T16:30:18", "name": "misc: Use explicit endian LD/ST API", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/426623/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1992912/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1992912/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=pU3hSHe8;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::22f;\n envelope-from=philmd@linaro.org; helo=mail-lj1-x22f.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "The S390X architecture uses big endianness. Directly use\nthe big-endian LD/ST API.\n\nMechanical change using:\n\n $ end=be; \\\n for acc in uw w l q tul; do \\\n sed -i -e \"s/ld${acc}_p(/ld${acc}_${end}_p(/\" \\\n -e \"s/st${acc}_p(/st${acc}_${end}_p(/\" \\\n $(git grep -wlE '(ld|st)t?u?[wlq]_p' target/s390x/); \\\n done\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\n---\n target/s390x/gdbstub.c | 34 +++++++++++++++++-----------------\n target/s390x/ioinst.c | 2 +-\n 2 files changed, 18 insertions(+), 18 deletions(-)", "diff": "diff --git a/target/s390x/gdbstub.c b/target/s390x/gdbstub.c\nindex 9ffec0bccbc..63373f02cef 100644\n--- a/target/s390x/gdbstub.c\n+++ b/target/s390x/gdbstub.c\n@@ -46,7 +46,7 @@ int s390_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n int s390_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n {\n CPUS390XState *env = cpu_env(cs);\n- target_ulong tmpl = ldq_p(mem_buf);\n+ target_ulong tmpl = ldq_be_p(mem_buf);\n \n switch (n) {\n case S390_PSWM_REGNUM:\n@@ -88,7 +88,7 @@ static int cpu_write_ac_reg(CPUState *cs, uint8_t *mem_buf, int n)\n \n switch (n) {\n case S390_A0_REGNUM ... S390_A15_REGNUM:\n- env->aregs[n] = ldl_p(mem_buf);\n+ env->aregs[n] = ldl_be_p(mem_buf);\n cpu_synchronize_post_init(env_cpu(env));\n return 4;\n default:\n@@ -123,10 +123,10 @@ static int cpu_write_fp_reg(CPUState *cs, uint8_t *mem_buf, int n)\n \n switch (n) {\n case S390_FPC_REGNUM:\n- env->fpc = ldl_p(mem_buf);\n+ env->fpc = ldl_be_p(mem_buf);\n return 4;\n case S390_F0_REGNUM ... S390_F15_REGNUM:\n- *get_freg(env, n - S390_F0_REGNUM) = ldq_p(mem_buf);\n+ *get_freg(env, n - S390_F0_REGNUM) = ldq_be_p(mem_buf);\n return 8;\n default:\n return 0;\n@@ -167,11 +167,11 @@ static int cpu_write_vreg(CPUState *cs, uint8_t *mem_buf, int n)\n \n switch (n) {\n case S390_V0L_REGNUM ... S390_V15L_REGNUM:\n- env->vregs[n][1] = ldq_p(mem_buf + 8);\n+ env->vregs[n][1] = ldq_be_p(mem_buf + 8);\n return 8;\n case S390_V16_REGNUM ... S390_V31_REGNUM:\n- env->vregs[n][0] = ldq_p(mem_buf);\n- env->vregs[n][1] = ldq_p(mem_buf + 8);\n+ env->vregs[n][0] = ldq_be_p(mem_buf);\n+ env->vregs[n][1] = ldq_be_p(mem_buf + 8);\n return 16;\n default:\n return 0;\n@@ -203,7 +203,7 @@ static int cpu_write_c_reg(CPUState *cs, uint8_t *mem_buf, int n)\n \n switch (n) {\n case S390_C0_REGNUM ... S390_C15_REGNUM:\n- env->cregs[n] = ldq_p(mem_buf);\n+ env->cregs[n] = ldq_be_p(mem_buf);\n if (tcg_enabled()) {\n tlb_flush(env_cpu(env));\n }\n@@ -246,19 +246,19 @@ static int cpu_write_virt_reg(CPUState *cs, uint8_t *mem_buf, int n)\n \n switch (n) {\n case S390_VIRT_CKC_REGNUM:\n- env->ckc = ldq_p(mem_buf);\n+ env->ckc = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(cs);\n return 8;\n case S390_VIRT_CPUTM_REGNUM:\n- env->cputm = ldq_p(mem_buf);\n+ env->cputm = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(cs);\n return 8;\n case S390_VIRT_BEA_REGNUM:\n- env->gbea = ldq_p(mem_buf);\n+ env->gbea = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(cs);\n return 8;\n case S390_VIRT_PREFIX_REGNUM:\n- env->psa = ldq_p(mem_buf);\n+ env->psa = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(cs);\n return 8;\n default:\n@@ -298,19 +298,19 @@ static int cpu_write_virt_kvm_reg(CPUState *cs, uint8_t *mem_buf, int n)\n \n switch (n) {\n case S390_VIRT_KVM_PP_REGNUM:\n- env->pp = ldq_p(mem_buf);\n+ env->pp = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(env_cpu(env));\n return 8;\n case S390_VIRT_KVM_PFT_REGNUM:\n- env->pfault_token = ldq_p(mem_buf);\n+ env->pfault_token = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(env_cpu(env));\n return 8;\n case S390_VIRT_KVM_PFS_REGNUM:\n- env->pfault_select = ldq_p(mem_buf);\n+ env->pfault_select = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(env_cpu(env));\n return 8;\n case S390_VIRT_KVM_PFC_REGNUM:\n- env->pfault_compare = ldq_p(mem_buf);\n+ env->pfault_compare = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(env_cpu(env));\n return 8;\n default:\n@@ -338,7 +338,7 @@ static int cpu_write_gs_reg(CPUState *cs, uint8_t *mem_buf, int n)\n S390CPU *cpu = S390_CPU(cs);\n CPUS390XState *env = &cpu->env;\n \n- env->gscb[n] = ldq_p(mem_buf);\n+ env->gscb[n] = ldq_be_p(mem_buf);\n cpu_synchronize_post_init(env_cpu(env));\n return 8;\n }\ndiff --git a/target/s390x/ioinst.c b/target/s390x/ioinst.c\nindex bbe45a497a8..a944f16c254 100644\n--- a/target/s390x/ioinst.c\n+++ b/target/s390x/ioinst.c\n@@ -603,7 +603,7 @@ static int chsc_sei_nt2_have_event(void)\n #define CHSC_SEI_NT2 (1ULL << 61)\n static void ioinst_handle_chsc_sei(ChscReq *req, ChscResp *res)\n {\n- uint64_t selection_mask = ldq_p(&req->param1);\n+ uint64_t selection_mask = ldq_be_p(&req->param1);\n uint8_t *res_flags = (uint8_t *)res->data;\n int have_event = 0;\n int have_more = 0;\n", "prefixes": [ "v2", "23/25" ] }