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GET /api/patches/2219156/?format=api
{ "id": 2219156, "url": "http://patchwork.ozlabs.org/api/patches/2219156/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402125234.1371897-5-max.chou@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": "<20260402125234.1371897-5-max.chou@sifive.com>", "list_archive_url": null, "date": "2026-04-02T12:52:29", "name": "[v6,4/9] target/riscv: rvv: Introduce reset_ill_vtype to reset illegal vtype CSR", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0e4b87c5ec45554cd47856f8c2db5597be960a65", "submitter": { "id": 86650, "url": "http://patchwork.ozlabs.org/api/people/86650/?format=api", "name": "Max Chou", "email": "max.chou@sifive.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402125234.1371897-5-max.chou@sifive.com/mbox/", "series": [ { "id": 498485, "url": "http://patchwork.ozlabs.org/api/series/498485/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498485", "date": "2026-04-02T12:52:26", "name": "Add Zvfbfa extension support", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/498485/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219156/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219156/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=sifive.com header.i=@sifive.com header.a=rsa-sha256\n header.s=google header.b=QY7ODIQL;\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-pj1-x1034.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": "Replace the same vill reset flow by reset_ill_vtype function.\n\nReviewed-by: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>\nReviewed-by: Chao Liu <chao.liu.zevorn@gmail.com>\nReviewed-by: Alistair Francis <alistair.francis@wdc.com>\nReviewed-by: Nutty Liu <nutty.liu@hotmail.com>\nSigned-off-by: Max Chou <max.chou@sifive.com>\n---\n target/riscv/vector_helper.c | 21 +++++++++++----------\n 1 file changed, 11 insertions(+), 10 deletions(-)", "diff": "diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c\nindex 63ca6fe16b..1e0cce5ae5 100644\n--- a/target/riscv/vector_helper.c\n+++ b/target/riscv/vector_helper.c\n@@ -49,6 +49,15 @@ static target_ulong vtype_reserved(CPURISCVState *env, target_ulong vtype)\n return reserved;\n }\n \n+static inline void reset_ill_vtype(CPURISCVState *env)\n+{\n+ /* only set vill bit. */\n+ env->vill = 1;\n+ env->vtype = 0;\n+ env->vl = 0;\n+ env->vstart = 0;\n+}\n+\n target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1,\n target_ulong s2, target_ulong x0)\n {\n@@ -93,11 +102,7 @@ target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1,\n }\n \n if ((sew > cpu->cfg.elen) || vill || (vtype_reserved(env, s2) != 0)) {\n- /* only set vill bit. */\n- env->vill = 1;\n- env->vtype = 0;\n- env->vl = 0;\n- env->vstart = 0;\n+ reset_ill_vtype(env);\n return 0;\n }\n \n@@ -113,11 +118,7 @@ target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1,\n }\n \n if (cpu->cfg.rvv_vsetvl_x0_vill && x0 && (env->vl != vl)) {\n- /* only set vill bit. */\n- env->vill = 1;\n- env->vtype = 0;\n- env->vl = 0;\n- env->vstart = 0;\n+ reset_ill_vtype(env);\n return 0;\n }\n \n", "prefixes": [ "v6", "4/9" ] }