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GET /api/1.1/patches/2231963/?format=api
{ "id": 2231963, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2231963/?format=api", "web_url": "http://patchwork.ozlabs.org/project/opensbi/patch/20260501183346.1596027-2-raymondmaoca@gmail.com/", "project": { "id": 67, "url": "http://patchwork.ozlabs.org/api/1.1/projects/67/?format=api", "name": "OpenSBI development", "link_name": "opensbi", "list_id": "opensbi.lists.infradead.org", "list_email": "opensbi@lists.infradead.org", "web_url": "https://github.com/riscv/opensbi", "scm_url": "", "webscm_url": "" }, "msgid": "<20260501183346.1596027-2-raymondmaoca@gmail.com>", "date": "2026-05-01T18:33:44", "name": "[RFC,1/3] hart: add WorldGuard CSR IDs and hart extension flags", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "aaa6992a8d9d02c7a2239512ede0aadac47bb1f7", "submitter": { "id": 91989, "url": "http://patchwork.ozlabs.org/api/1.1/people/91989/?format=api", "name": "Raymond Mao", "email": "raymondmaoca@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/opensbi/patch/20260501183346.1596027-2-raymondmaoca@gmail.com/mbox/", "series": [ { "id": 502489, "url": "http://patchwork.ozlabs.org/api/1.1/series/502489/?format=api", "web_url": "http://patchwork.ozlabs.org/project/opensbi/list/?series=502489", "date": "2026-05-01T18:33:43", "name": "Add QEMU virt WorldGuard support on top of HWISO", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502489/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231963/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231963/checks/", "tags": {}, "headers": { "Return-Path": "\n <opensbi-bounces+incoming=patchwork.ozlabs.org@lists.infradead.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 secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=DliMcK3c;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=DvfPi2sH;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; 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a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1777660448; x=1778265248;\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=FC8+RGF3mKTZLu1q05L9cvM/vQ89uiRie1hvwHPmJl4=;\n b=stx3CsqF/XP61tuc+k5d8/EyfCg0o4TjzdEN6HIrW0JUk8PE+HYspAczGswedqcbQm\n 0yZYwLB/2cUA+5u/nPxf/Be+F9+iRie5ObEYuhZ+ncGbcgL6gUMCXJ6aaYhlLHS0MmqN\n tTAafB6ktWeDC9fY1mXfDACh+IE6Yvcov9+1YfPMJVDQbgKroR1EBw2JcAVvEiwB/EJ7\n mDm9LrV++xQznZS/SPII0f/idmfnfytKdSy711TB8ADeWyk6AnlVNrtxoEaeqLS4Rv0C\n vtSLbsXWivbLO3cm7lCAreqdviix2MsZIlsqt17WDhOQh25Ps+I9i7iiKRbgPxPhNN+w\n RGkg==", "X-Gm-Message-State": "AOJu0YwpGLaNT7UCZ6Zcf2TVsLJXQ9k/rdiUt5hORFpmGn839aKr30GB\n\tsaR/cYrBExzcFTpHwc8PBplXJ6TtReJTGWOetCjoa2mXXh17P/gHUGXZo0LhSv0l", "X-Gm-Gg": "AeBDievLuLuXRRThq+8fgkYtCqvmQAHJlaxSq6glY1zgOPwfiIjLgB4yDbbOa+25001\n\tsSXwCznsMqMuebxqzXLLSg854ANm7ze9W2KQxtaY9j/VdLP5XMp/9nPcAp5yGo5/iQDBINXzH5/\n\taHsMsogJV2kfZZcDJAO7gwGVROiBLZvbTPO5zVYcrqRn/vi9KZRV/rHGCpoJ88r9P7/FZGW4n6p\n\tygZndhCdogu5wy6HxCbap67D1lFWlOAGAlOxog7vb8QKsl3a8Y34hx4bvOngHVHkkEllfkvCoA+\n\tDbV4WNQd5x/F6YyaehoQzL8A+6T79TXnOQhE6PjfiZs4NVR9ELIBkyI41mBK3xpf25/+ke4W3/A\n\tTFSg8QEz4oFhW67aq0lRp7F1C1gW9rDrl072e7wzWRMOO34mMdBLaWYHNAyWLT6v/flVT/wGVzz\n\tma5TIHkEWY3GTxxrH8H8s56HbWkmFB76MDVml/aYhgufOPpd5A9yW0fnQobWfLROlaoNPbSe7kd\n\ttlyDYVRYcpxIB8BcHg+0w==", "X-Received": "by 2002:a05:6214:3d11:b0:8b3:f6ae:b01e with SMTP id\n 6a1803df08f44-8b6666e633amr9835326d6.16.1777660447816;\n Fri, 01 May 2026 11:34:07 -0700 (PDT)", "From": "Raymond Mao <raymondmaoca@gmail.com>", "To": "opensbi@lists.infradead.org", "Cc": "scott@riscstar.com,\n\tdave.patel@riscstar.com,\n\traymond.mao@riscstar.com,\n\trobin.randhawa@sifive.com,\n\tsamuel.holland@sifive.com,\n\tanup.patel@qti.qualcomm.com,\n\tanuppate@qti.qualcomm.com,\n\tanup@brainfault.org,\n\tdhaval@rivosinc.com,\n\tpeter.lin@sifive.com", "Subject": "[RFC PATCH 1/3] hart: add WorldGuard CSR IDs and hart extension flags", "Date": "Fri, 1 May 2026 14:33:44 -0400", "Message-Id": "<20260501183346.1596027-2-raymondmaoca@gmail.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20260501183346.1596027-1-raymondmaoca@gmail.com>", "References": "<20260501183346.1596027-1-raymondmaoca@gmail.com>", "MIME-Version": "1.0", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20260501_113409_455633_63A507DB ", "X-CRM114-Status": "UNSURE ( 9.41 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-2.1 (--)", "X-Spam-Report": "Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: From: Raymond Mao Define the WorldGuard-related CSR numbers\n and claim smwg / sswg hart extensions so platform code can probe support\n before programming MLWID, MWIDDELEG and SLWID. Signed-off-by: Raymond Mao\n --- include/sbi/riscv_encoding.h | 3 +++ include/sbi/sbi_hart.h | 4 ++++\n lib/sbi/sbi_hart.c\n | 2 ++ 3 files changed, 9 insertions(+)\n Content analysis details: (-2.1 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no\n trust\n [2607:f8b0:4864:20:0:0:0:f35 listed in]\n [list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n provider\n [raymondmaoca(at)gmail.com]", "X-BeenThere": "opensbi@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "<opensbi.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/opensbi>,\n <mailto:opensbi-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/opensbi/>", "List-Post": "<mailto:opensbi@lists.infradead.org>", "List-Help": "<mailto:opensbi-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/opensbi>,\n <mailto:opensbi-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"opensbi\" <opensbi-bounces@lists.infradead.org>", "Errors-To": "opensbi-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "From: Raymond Mao <raymond.mao@riscstar.com>\n\nDefine the WorldGuard-related CSR numbers and claim smwg / sswg hart\nextensions so platform code can probe support before programming\nMLWID, MWIDDELEG and SLWID.\n\nSigned-off-by: Raymond Mao <raymond.mao@riscstar.com>\n---\n include/sbi/riscv_encoding.h | 3 +++\n include/sbi/sbi_hart.h | 4 ++++\n lib/sbi/sbi_hart.c | 2 ++\n 3 files changed, 9 insertions(+)", "diff": "diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h\nindex 46bbeed0..48304132 100644\n--- a/include/sbi/riscv_encoding.h\n+++ b/include/sbi/riscv_encoding.h\n@@ -331,6 +331,7 @@\n \n /* Supervisor Protection and Translation */\n #define CSR_SATP\t\t\t0x180\n+#define CSR_SLWID\t\t\t0x190\n \n /* Supervisor Indirect Register Alias */\n #define CSR_SISELECT\t\t\t0x150\n@@ -454,6 +455,7 @@\n /* Machine Configuration */\n #define CSR_MENVCFG\t\t\t0x30a\n #define CSR_MENVCFGH\t\t\t0x31a\n+#define CSR_MLWID\t\t\t0x390\n \n /* Machine Trap Handling */\n #define CSR_MSCRATCH\t\t\t0x340\n@@ -680,6 +682,7 @@\n /* Machine Security Configuration CSR (mseccfg) */\n #define CSR_MSECCFG\t\t\t0x747\n #define CSR_MSECCFGH\t\t\t0x757\n+#define CSR_MWIDDELEG\t\t\t0x748\n \n #define MSECCFG_MML_SHIFT\t\t(0)\n #define MSECCFG_MML\t\t\t(_UL(1) << MSECCFG_MML_SHIFT)\ndiff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h\nindex cc78eec6..2c725ae2 100644\n--- a/include/sbi/sbi_hart.h\n+++ b/include/sbi/sbi_hart.h\n@@ -63,6 +63,10 @@ enum sbi_hart_extensions {\n \tSBI_HART_EXT_SSCSRIND,\n \t/** Hart has Ssccfg extension */\n \tSBI_HART_EXT_SSCCFG,\n+\t/** Hart has Smwg extension */\n+\tSBI_HART_EXT_SMWG,\n+\t/** Hart has Sswg extension */\n+\tSBI_HART_EXT_SSWG,\n \n \t/** Maximum index of Hart extension */\n \tSBI_HART_EXT_MAX,\ndiff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c\nindex 3d136944..6fc03a59 100644\n--- a/lib/sbi/sbi_hart.c\n+++ b/lib/sbi/sbi_hart.c\n@@ -666,6 +666,8 @@ const struct sbi_hart_ext_data sbi_hart_ext[] = {\n \t__SBI_HART_EXT_DATA(sdtrig, SBI_HART_EXT_SDTRIG),\n \t__SBI_HART_EXT_DATA(smcsrind, SBI_HART_EXT_SMCSRIND),\n \t__SBI_HART_EXT_DATA(smcdeleg, SBI_HART_EXT_SMCDELEG),\n+\t__SBI_HART_EXT_DATA(smwg, SBI_HART_EXT_SMWG),\n+\t__SBI_HART_EXT_DATA(sswg, SBI_HART_EXT_SSWG),\n };\n \n /**\n", "prefixes": [ "RFC", "1/3" ] }