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GET /api/1.2/patches/2224412/?format=api
{ "id": 2224412, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224412/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417-jmac-feat_rme_gdi-v2-4-7cf5131aeb60@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260417-jmac-feat_rme_gdi-v2-4-7cf5131aeb60@linaro.org>", "list_archive_url": null, "date": "2026-04-17T11:02:56", "name": "[v2,4/4] tests/tcg/aarch64/system/rme_gdi.c: Very basic test of GDI", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0549a0e3656d6580cddc05e93e13ec78119e3b69", "submitter": { "id": 92076, "url": "http://patchwork.ozlabs.org/api/1.2/people/92076/?format=api", "name": "Jim MacArthur", "email": "jim.macarthur@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417-jmac-feat_rme_gdi-v2-4-7cf5131aeb60@linaro.org/mbox/", "series": [ { "id": 500311, "url": "http://patchwork.ozlabs.org/api/1.2/series/500311/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500311", "date": "2026-04-17T11:02:52", "name": "FEAT_RME_GDI initial work", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500311/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224412/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224412/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=DjLR1kvu;\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": "7bit", "Message-Id": "<20260417-jmac-feat_rme_gdi-v2-4-7cf5131aeb60@linaro.org>", "References": "<20260417-jmac-feat_rme_gdi-v2-0-7cf5131aeb60@linaro.org>", "In-Reply-To": "<20260417-jmac-feat_rme_gdi-v2-0-7cf5131aeb60@linaro.org>", "To": "qemu-devel@nongnu.org", "Cc": "Peter Maydell <peter.maydell@linaro.org>,\n Richard Henderson <richard.henderson@linaro.org>, qemu-arm@nongnu.org,\n Jim MacArthur <jim.macarthur@linaro.org>", "X-Mailer": "b4 0.13.0", "Received-SPF": "pass client-ip=2a00:1450:4864:20::42e;\n envelope-from=jim.macarthur@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,\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=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 <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": "Simply tests GDI's prerequisites; that if GDI is enabled then\nso are FEAT_RME and FEAT_RME_GPC2.\n\nSigned-off-by: Jim MacArthur <jim.macarthur@linaro.org>\n---\n tests/tcg/aarch64/system/rme_gdi.c | 56 ++++++++++++++++++++++++++++++++++++++\n 1 file changed, 56 insertions(+)", "diff": "diff --git a/tests/tcg/aarch64/system/rme_gdi.c b/tests/tcg/aarch64/system/rme_gdi.c\nnew file mode 100644\nindex 0000000000..0921b791bd\n--- /dev/null\n+++ b/tests/tcg/aarch64/system/rme_gdi.c\n@@ -0,0 +1,56 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ *\n+ * FEAT_RME_GDI Feature presence and enabled bits test\n+ *\n+ * Copyright (c) 2026 Linaro Ltd\n+ *\n+ */\n+\n+#include <stdint.h>\n+#include <minilib.h>\n+\n+#define ID_AA64PFR0_EL1 \"S3_0_C0_C4_0\"\n+#define ID_AA64MMFR4_EL1 \"S3_0_C0_C7_4\"\n+\n+int main()\n+{\n+ uint64_t mmfr4;\n+ uint64_t pfr0;\n+ int rme_status;\n+ int rmegdi_status;\n+\n+ asm(\"mrs %[pfr0], \" ID_AA64PFR0_EL1 \"\\n\\t\"\n+ : [pfr0] \"=r\" (pfr0));\n+\n+ /* rme_status is 1 for RME, 2 for RME + GPC2, 3 for RME+GPC3 */\n+ rme_status = (pfr0 >> 52) & 0xF;\n+\n+ asm(\"mrs %[mmfr4], \" ID_AA64MMFR4_EL1 \"\\n\\t\"\n+ : [mmfr4] \"=r\" (mmfr4));\n+\n+ rmegdi_status = ((mmfr4 >> 28) & 0xF);\n+\n+ switch (rmegdi_status) {\n+ case 0:\n+ ml_printf(\"SKIP: GDI not implemented\\n\");\n+ return 0;\n+ case 1:\n+ /* GDI is implemented, so continue testing */\n+ break;\n+ default:\n+ ml_printf(\"FAIL: GDI status is %d, only values 0 and 1 are defined\\n\",\n+ rmegdi_status);\n+ return 1;\n+ }\n+\n+ if (rmegdi_status != 0) {\n+ /* Check FEAT_RME and FEAT_RME_GPC2 also present */\n+ if (rme_status < 2) {\n+ ml_printf(\"FAIL: GDI is %d, but RME is %d; RME should be >= 2\\n\",\n+ rmegdi_status, rme_status);\n+ return 1;\n+ }\n+ }\n+ return 0;\n+}\n", "prefixes": [ "v2", "4/4" ] }