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{ "id": 2227701, "url": "http://patchwork.ozlabs.org/api/covers/2227701/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260424050509.3935180-1-frank.chang@sifive.com/", "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": "<20260424050509.3935180-1-frank.chang@sifive.com>", "list_archive_url": null, "date": "2026-04-24T05:05:07", "name": "[v4,0/2] Set MISA.[C|X] based on the selected extensions", "submitter": { "id": 79604, "url": "http://patchwork.ozlabs.org/api/people/79604/?format=api", "name": "Frank Chang", "email": "frank.chang@sifive.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260424050509.3935180-1-frank.chang@sifive.com/mbox/", "series": [ { "id": 501301, "url": "http://patchwork.ozlabs.org/api/series/501301/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501301", "date": "2026-04-24T05:05:08", "name": "Set MISA.[C|X] based on the selected extensions", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/501301/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2227701/comments/", "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=sifive.com header.i=@sifive.com header.a=rsa-sha256\n header.s=google header.b=NnSzmkl2;\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-pg1-x52b.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": "From: Frank Chang <frank.chang@sifive.com>\n\nMISA.C and MISA.X should be set when the following extensions are\nselected:\n\nMISA.C:\n * Zca and not F.\n * Zca, Zcf and F (but not D) is specified (RV32 only).\n * Zca, Zcf and Zcd if D is specified (RV32 only).\n * Zca, Zcd if D is specified (RV64 only)\n\nMISA.X:\n * When there are any non-standard extensions enabled.\n\nThis patchset sets MISA.[C|X] bits based on the selected extensions.\n\nChangelog:\n * v4: Warn user if user disables RVC but RVC is mandated by Zca/Zcf/Zcd\n extensions.\n * v3: Rebase to the latest to-apply.next branch.\n * v2: Fix the missing parentheses bug.\n\nFrank Chang (2):\n target/riscv: Update MISA.C for Zc* extensions\n target/riscv: Update MISA.X for non-standard extensions\n\n target/riscv/cpu.h | 1 +\n target/riscv/tcg/tcg-cpu.c | 54 ++++++++++++++++++++++++++++++++++++++\n 2 files changed, 55 insertions(+)\n\n--\n2.43.0" }