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GET /api/patches/1992928/?format=api
{ "id": 1992928, "url": "http://patchwork.ozlabs.org/api/patches/1992928/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20241004163042.85922-26-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": "<20241004163042.85922-26-philmd@linaro.org>", "list_archive_url": null, "date": "2024-10-04T16:30:41", "name": "[v2,25/25] hw/ppc/e500: Use explicit big-endian LD/ST API", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "623cdc5dad75fd7fe3f87668ffb92c330d16fa02", "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/20241004163042.85922-26-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/1992928/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1992928/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=adK7yN1l;\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::12f;\n envelope-from=philmd@linaro.org; helo=mail-lf1-x12f.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 32-bit PPC architecture uses big endianness. Directly use\nthe big-endian LD/ST API for the E500 hardware.\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' hw/*/*e500*); \\\n done\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\n---\n hw/ppc/ppce500_spin.c | 24 ++++++++++++------------\n 1 file changed, 12 insertions(+), 12 deletions(-)", "diff": "diff --git a/hw/ppc/ppce500_spin.c b/hw/ppc/ppce500_spin.c\nindex e08739a443d..8e0ef9467e4 100644\n--- a/hw/ppc/ppce500_spin.c\n+++ b/hw/ppc/ppce500_spin.c\n@@ -64,9 +64,9 @@ static void spin_reset(DeviceState *dev)\n for (i = 0; i < MAX_CPUS; i++) {\n SpinInfo *info = &s->spin[i];\n \n- stl_p(&info->pir, i);\n- stq_p(&info->r3, i);\n- stq_p(&info->addr, 1);\n+ stl_be_p(&info->pir, i);\n+ stq_be_p(&info->r3, i);\n+ stq_be_p(&info->addr, 1);\n }\n }\n \n@@ -96,9 +96,9 @@ static void spin_kick(CPUState *cs, run_on_cpu_data data)\n hwaddr map_start;\n \n cpu_synchronize_state(cs);\n- stl_p(&curspin->pir, env->spr[SPR_BOOKE_PIR]);\n- env->nip = ldq_p(&curspin->addr) & (map_size - 1);\n- env->gpr[3] = ldq_p(&curspin->r3);\n+ stl_be_p(&curspin->pir, env->spr[SPR_BOOKE_PIR]);\n+ env->nip = ldq_be_p(&curspin->addr) & (map_size - 1);\n+ env->gpr[3] = ldq_be_p(&curspin->r3);\n env->gpr[4] = 0;\n env->gpr[5] = 0;\n env->gpr[6] = 0;\n@@ -106,7 +106,7 @@ static void spin_kick(CPUState *cs, run_on_cpu_data data)\n env->gpr[8] = 0;\n env->gpr[9] = 0;\n \n- map_start = ldq_p(&curspin->addr) & ~(map_size - 1);\n+ map_start = ldq_be_p(&curspin->addr) & ~(map_size - 1);\n mmubooke_create_initial_mapping(env, 0, map_start, map_size);\n \n cs->halted = 0;\n@@ -141,14 +141,14 @@ static void spin_write(void *opaque, hwaddr addr, uint64_t value,\n stb_p(curspin_p, value);\n break;\n case 2:\n- stw_p(curspin_p, value);\n+ stw_be_p(curspin_p, value);\n break;\n case 4:\n- stl_p(curspin_p, value);\n+ stl_be_p(curspin_p, value);\n break;\n }\n \n- if (!(ldq_p(&curspin->addr) & 1)) {\n+ if (!(ldq_be_p(&curspin->addr) & 1)) {\n /* run CPU */\n run_on_cpu(cpu, spin_kick, RUN_ON_CPU_HOST_PTR(curspin));\n }\n@@ -163,9 +163,9 @@ static uint64_t spin_read(void *opaque, hwaddr addr, unsigned len)\n case 1:\n return ldub_p(spin_p);\n case 2:\n- return lduw_p(spin_p);\n+ return lduw_be_p(spin_p);\n case 4:\n- return ldl_p(spin_p);\n+ return ldl_be_p(spin_p);\n default:\n hw_error(\"ppce500: unexpected %s with len = %u\", __func__, len);\n }\n", "prefixes": [ "v2", "25/25" ] }