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GET /api/1.2/patches/2234646/?format=api
{ "id": 2234646, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234646/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260507234413.643512-16-richard.henderson@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": "<20260507234413.643512-16-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-05-07T23:43:28", "name": "[v4,15/60] target/arm: Enable FEAT_FPMR for -cpu max", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a11c08953823f199f1d88ce0b14afbd3a6ee0fb1", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/1.2/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260507234413.643512-16-richard.henderson@linaro.org/mbox/", "series": [ { "id": 503296, "url": "http://patchwork.ozlabs.org/api/1.2/series/503296/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=503296", "date": "2026-05-07T23:43:14", "name": "target/arm: Implement FEAT_FP8", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/503296/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234646/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234646/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=n6/KV6Xp;\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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helo=mail-ot1-x32f.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 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": "Signed-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n target/arm/tcg/cpu64.c | 4 ++++\n docs/system/arm/emulation.rst | 1 +\n 2 files changed, 5 insertions(+)", "diff": "diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c\nindex ff0c2b1c47..a377f67b9c 100644\n--- a/target/arm/tcg/cpu64.c\n+++ b/target/arm/tcg/cpu64.c\n@@ -1297,6 +1297,10 @@ void aarch64_max_tcg_initfn(Object *obj)\n t = FIELD_DP64(t, ID_AA64PFR1, GCS, 1); /* FEAT_GCS */\n SET_IDREG(isar, ID_AA64PFR1, t);\n \n+ t = GET_IDREG(isar, ID_AA64PFR2);\n+ t = FIELD_DP64(t, ID_AA64PFR2, FPMR, 1); /* FEAT_FPMR */\n+ SET_IDREG(isar, ID_AA64PFR2, t);\n+\n t = GET_IDREG(isar, ID_AA64MMFR0);\n t = FIELD_DP64(t, ID_AA64MMFR0, PARANGE, 6); /* FEAT_LPA: 52 bits */\n t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16, 1); /* 16k pages supported */\ndiff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst\nindex da5f7efce2..44c7196d09 100644\n--- a/docs/system/arm/emulation.rst\n+++ b/docs/system/arm/emulation.rst\n@@ -77,6 +77,7 @@ the following architecture extensions:\n - FEAT_FPAC (Faulting on AUT* instructions)\n - FEAT_FPACCOMBINE (Faulting on combined pointer authentication instructions)\n - FEAT_FPACC_SPEC (Speculative behavior of combined pointer authentication instructions)\n+- FEAT_FPMR (Floating-point mode register)\n - FEAT_FRINTTS (Floating-point to integer instructions)\n - FEAT_FlagM (Flag manipulation instructions v2)\n - FEAT_FlagM2 (Enhancements to flag manipulation instructions)\n", "prefixes": [ "v4", "15/60" ] }