Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.1/patches/2229992/?format=api
{ "id": 2229992, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229992/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429044752.4176397-12-alistair.francis@wdc.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260429044752.4176397-12-alistair.francis@wdc.com>", "date": "2026-04-29T04:47:12", "name": "[PULL,11/51] target/riscv: Simplify riscv_cpu_gdb_write_register()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f9d9cdc767887846191a8bf375b6eb9ac6d121b2", "submitter": { "id": 64571, "url": "http://patchwork.ozlabs.org/api/1.1/people/64571/?format=api", "name": "Alistair Francis", "email": "alistair23@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429044752.4176397-12-alistair.francis@wdc.com/mbox/", "series": [ { "id": 501983, "url": "http://patchwork.ozlabs.org/api/1.1/series/501983/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501983", "date": "2026-04-29T04:47:05", "name": "[PULL,01/51] hw/riscv/riscv-iommu: Use standard EN_PRI bit for PRI", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501983/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2229992/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229992/checks/", "tags": {}, "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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=R2uXS83b;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g54c25YjCz1xvV\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 29 Apr 2026 14:50:10 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wHwrH-0001M6-1s; Wed, 29 Apr 2026 00:49:11 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <alistair23@gmail.com>)\n id 1wHwrF-0001Kt-E6\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 00:49:09 -0400", "from mail-pl1-x633.google.com ([2607:f8b0:4864:20::633])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <alistair23@gmail.com>)\n id 1wHwrD-0008Lz-Qf\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 00:49:09 -0400", "by mail-pl1-x633.google.com with SMTP id\n d9443c01a7336-2b9705613ddso16498695ad.1\n for <qemu-devel@nongnu.org>; Tue, 28 Apr 2026 21:49:07 -0700 (PDT)", "from toolbx.alistair23.me ([2403:581e:fdf9:0:6209:4521:6813:45b7])\n by smtp.gmail.com with ESMTPSA id\n d9443c01a7336-2b988772ae8sm7756145ad.7.2026.04.28.21.49.02\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Tue, 28 Apr 2026 21:49:06 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=gmail.com; s=20251104; t=1777438146; x=1778042946; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=CvgZDDVcfV8DLmoSwqxj+6lV+VN16zkZ0t0yAAk4yH4=;\n b=R2uXS83b7aVfhSyZLH/hmDazZiuLInWzeWuedNA8PS3NxjRERE3pI9V2fkHl/Qom4l\n 1Tcv/PN5yYV5NAPnyVHg7pAimUtQ6NToOIxK4OLVU0LzuMxW8qIfWaJUH/SWm4IiNjhT\n HG+deM9YpjXk5LrYubl+wB5MwiPY4+PXboAgtDYxJES0F/31Hv0OuYhN52yAxGSm5U+U\n JVNeIpSoDlFwV5S2GmTwix6mQZfM5VTkgCpvkW3XlUyYrJHTx4Q2lWDsZa8vIZp2pOcT\n yaWg9gkIgC6XsKUY1+0F8dIxuoYTkzZZGaxnTT1R1KVhhD2QgeSg7oEGskBFnNsh1MRx\n PNog==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1777438146; x=1778042946;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=CvgZDDVcfV8DLmoSwqxj+6lV+VN16zkZ0t0yAAk4yH4=;\n b=JibmKz2P4le6Jcdv9Yc7fvWzyndNPER+pJoiqn4YN02LPTuiwxh5QJ1ToavZkF8KUb\n fZ7FVifr/3bE5w337Gw7ZZwWM9jPlRRW1RDXt1OzhOF+e/n1eeulx02R0CRMtXbRnhbG\n rEE2+d03fpPtW4As5ByArWdJ3VJwe79FX3U4b0t9LmGpeKHCXGCH3lPQJc1SteBSNLwW\n PIGF/xXzPqZHDMdX0eJY1bK8U2l/pE/YjJ9LyrqDQjwC0dV862GiraLdcdvXZHBO3t7o\n E+Wy7zjALbYQIyxAPK+73XCchYxhWG/SiCdLzLNrGsxjIN7Niia7ak6n+ht/zHDkUfil\n yRVg==", "X-Forwarded-Encrypted": "i=1;\n AFNElJ/+hkydnOXpUa5dxsZZull3IOHdQcKZCq8pZ3yzoyrwVIsNolCt0pZu1P6mslAdR2sjB3eF7ggr4y+L@nongnu.org", "X-Gm-Message-State": "AOJu0Yzbiotu8ZPP12yssWo4TDRPXTqygd7V4GSSVRwP38azu2fDE9PW\n 1mAdHaiRHHqbwX3LIFU8ONDwHQ35OKgwE54EXf0bcVnzCUaglwwQBV6i", "X-Gm-Gg": "AeBDieuyWMd6MIQcCQ7TRWhXlwFMz/OYdUKUsS0NSRHaFJ65n9K8Rs4cG/Xaro3yZ27\n 4Bp9PoYoSwYqNVtoWs+gTCmksKEIeW/6gXFjNVxNr1u5SrbBJUvj2p/d997TJzgBDTcdKtO8Ezl\n nUUS+4iF/BkmZwyYmkxStA0Y0nLqhP9+0VGtESv31Q1IISa/u5x4u4fNgyHDDpd4A9KEJXn103k\n Kw+4295A4p5GwhF2kF2obTgtjEPHTAfWG0KfHnq8ykTBS8M52hmQ9Au3l8WUXGUL1jhB8Jt3oyW\n AmgWrEGAtrSdmZYvFD0QATKNeatnz9/ZC5ShUuo7UI2ygm6aAdFc0gSD5aCfnHPmP9Kf+nNGFI0\n RxZKsxC4yRX/WmOBRHPLiDRYuSGLmHsECEoqzugmQwG+H2M01NsS9fxKaiER1LM2eO9ut55PqvY\n QTJnyOIFDaaPr+3iGMnt5HFmndMb60JmCbtCSevxM/hfSAHB7VXcSq", "X-Received": "by 2002:a17:902:eec2:b0:2b4:5f67:5914 with SMTP id\n d9443c01a7336-2b987442b4fmr16318365ad.33.1777438146530;\n Tue, 28 Apr 2026 21:49:06 -0700 (PDT)", "From": "alistair23@gmail.com", "X-Google-Original-From": "alistair.francis@wdc.com", "To": "palmer@dabbelt.com, liwei1518@gmail.com, daniel.barboza@oss.qualcomm.com,\n zhiwei_liu@linux.alibaba.com, chao.liu.zevorn@gmail.com,\n qemu-riscv@nongnu.org, qemu-devel@nongnu.org", "Cc": "alistair23@gmail.com,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n Alistair Francis <alistair.francis@wdc.com>", "Subject": "[PULL 11/51] target/riscv: Simplify riscv_cpu_gdb_write_register()", "Date": "Wed, 29 Apr 2026 14:47:12 +1000", "Message-ID": "<20260429044752.4176397-12-alistair.francis@wdc.com>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260429044752.4176397-1-alistair.francis@wdc.com>", "References": "<20260429044752.4176397-1-alistair.francis@wdc.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::633;\n envelope-from=alistair23@gmail.com; helo=mail-pl1-x633.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 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 FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\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": "From: Philippe Mathieu-Daudé <philmd@linaro.org>\n\nUse a single ldn() call, sign-extend once.\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nReviewed-by: Alistair Francis <alistair.francis@wdc.com>\nMessage-ID: <20260318103122.97244-9-philmd@linaro.org>\nSigned-off-by: Alistair Francis <alistair.francis@wdc.com>\n---\n target/riscv/gdbstub.c | 25 ++++++-------------------\n 1 file changed, 6 insertions(+), 19 deletions(-)", "diff": "diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c\nindex be42566bcc..a5c1263878 100644\n--- a/target/riscv/gdbstub.c\n+++ b/target/riscv/gdbstub.c\n@@ -84,33 +84,20 @@ int riscv_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cs);\n RISCVCPU *cpu = RISCV_CPU(cs);\n CPURISCVState *env = &cpu->env;\n- int length = 0;\n- uint64_t tmp;\n+ const size_t regsize = mcc->def->misa_mxl_max == MXL_RV32 ? 4 : 8;\n+ uint64_t tmp = ldn(env, mem_buf, regsize);\n \n- switch (mcc->def->misa_mxl_max) {\n- case MXL_RV32:\n- tmp = (int32_t)ldn(env, mem_buf, 4);\n- length = 4;\n- break;\n- case MXL_RV64:\n- case MXL_RV128:\n- if (env->xl < MXL_RV64) {\n- tmp = (int32_t)ldn(env, mem_buf, 8);\n- } else {\n- tmp = ldn(env, mem_buf, 8);\n- }\n- length = 8;\n- break;\n- default:\n- g_assert_not_reached();\n+ if (env->xl < MXL_RV64) {\n+ tmp = (int32_t)tmp;\n }\n+\n if (n > 0 && n < 32) {\n env->gpr[n] = tmp;\n } else if (n == 32) {\n env->pc = tmp;\n }\n \n- return length;\n+ return regsize;\n }\n \n static int riscv_gdb_get_fpu(CPUState *cs, GByteArray *buf, int n)\n", "prefixes": [ "PULL", "11/51" ] }