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GET /api/1.0/patches/2175504/?format=api
{ "id": 2175504, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2175504/?format=api", "project": { "id": 67, "url": "http://patchwork.ozlabs.org/api/1.0/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": "<20251218104243.562667-3-ganboing@gmail.com>", "date": "2025-12-18T10:42:38", "name": "[v6,2/7] lib: sbi_domain: add sbi_domain_get_oldpmp_flags", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "99d5f497656e11c7e16c1e4ab06de75645360e6c", "submitter": { "id": 86401, "url": "http://patchwork.ozlabs.org/api/1.0/people/86401/?format=api", "name": "Bo Gan", "email": "ganboing@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/opensbi/patch/20251218104243.562667-3-ganboing@gmail.com/mbox/", "series": [ { "id": 485819, "url": "http://patchwork.ozlabs.org/api/1.0/series/485819/?format=api", "date": "2025-12-18T10:42:37", "name": "Initial ESWIN/EIC7700 and Hifive P550 support", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/485819/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2175504/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=sIcFp3Av;\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=20230601 header.b=F2Scu2UG;\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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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: Factor out logic in `sbi_hart_oldpmp_configure` into\n function\n `sbi_domain_get_oldpmp_flags`, analogous to `sbi_domain_get_smepmp_flags`.\n Platform specific hart-protection implementation can now levera [...]\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:f8b0:4864:20:0:0:0:436 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_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\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 [ganboing(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": "Factor out logic in `sbi_hart_oldpmp_configure` into function\n`sbi_domain_get_oldpmp_flags`, analogous to `sbi_domain_get_smepmp_flags`.\nPlatform specific hart-protection implementation can now leverage it.\n\nSigned-off-by: Bo Gan <ganboing@gmail.com>\n---\n include/sbi/sbi_domain.h | 7 +++++++\n lib/sbi/sbi_domain.c | 22 ++++++++++++++++++++++\n lib/sbi/sbi_hart_pmp.c | 17 +----------------\n 3 files changed, 30 insertions(+), 16 deletions(-)", "diff": "diff --git a/include/sbi/sbi_domain.h b/include/sbi/sbi_domain.h\nindex 1196d609..3360e090 100644\n--- a/include/sbi/sbi_domain.h\n+++ b/include/sbi/sbi_domain.h\n@@ -253,6 +253,13 @@ void sbi_domain_memregion_init(unsigned long addr,\n \t\t\t\tunsigned long flags,\n \t\t\t\tstruct sbi_domain_memregion *reg);\n \n+/**\n+ * Return the oldpmp pmpcfg LRWX encoding for the flags in @reg.\n+ *\n+ * @param reg pointer to memory region; its flags field encodes permissions.\n+ */\n+unsigned int sbi_domain_get_oldpmp_flags(struct sbi_domain_memregion *reg);\n+\n /**\n * Return the Smepmp pmpcfg LRWX encoding for the flags in @reg.\n *\ndiff --git a/lib/sbi/sbi_domain.c b/lib/sbi/sbi_domain.c\nindex 96d10c76..74cc1e3f 100644\n--- a/lib/sbi/sbi_domain.c\n+++ b/lib/sbi/sbi_domain.c\n@@ -121,6 +121,28 @@ void sbi_domain_memregion_init(unsigned long addr,\n \t}\n }\n \n+unsigned int sbi_domain_get_oldpmp_flags(struct sbi_domain_memregion *reg)\n+{\n+\n+\tunsigned int pmp_flags = 0;\n+\n+\t/*\n+\t * If permissions are to be enforced for all modes on\n+\t * this region, the lock bit should be set.\n+\t */\n+\tif (reg->flags & SBI_DOMAIN_MEMREGION_ENF_PERMISSIONS)\n+\t\tpmp_flags |= PMP_L;\n+\n+\tif (reg->flags & SBI_DOMAIN_MEMREGION_SU_READABLE)\n+\t\tpmp_flags |= PMP_R;\n+\tif (reg->flags & SBI_DOMAIN_MEMREGION_SU_WRITABLE)\n+\t\tpmp_flags |= PMP_W;\n+\tif (reg->flags & SBI_DOMAIN_MEMREGION_SU_EXECUTABLE)\n+\t\tpmp_flags |= PMP_X;\n+\n+\treturn pmp_flags;\n+}\n+\n unsigned int sbi_domain_get_smepmp_flags(struct sbi_domain_memregion *reg)\n {\n \tunsigned int pmp_flags = 0;\ndiff --git a/lib/sbi/sbi_hart_pmp.c b/lib/sbi/sbi_hart_pmp.c\nindex 7f970ca3..be459129 100644\n--- a/lib/sbi/sbi_hart_pmp.c\n+++ b/lib/sbi/sbi_hart_pmp.c\n@@ -272,22 +272,7 @@ static int sbi_hart_oldpmp_configure(struct sbi_scratch *scratch)\n \t\tif (!is_valid_pmp_idx(pmp_count, pmp_idx))\n \t\t\treturn SBI_EFAIL;\n \n-\t\tpmp_flags = 0;\n-\n-\t\t/*\n-\t\t * If permissions are to be enforced for all modes on\n-\t\t * this region, the lock bit should be set.\n-\t\t */\n-\t\tif (reg->flags & SBI_DOMAIN_MEMREGION_ENF_PERMISSIONS)\n-\t\t\tpmp_flags |= PMP_L;\n-\n-\t\tif (reg->flags & SBI_DOMAIN_MEMREGION_SU_READABLE)\n-\t\t\tpmp_flags |= PMP_R;\n-\t\tif (reg->flags & SBI_DOMAIN_MEMREGION_SU_WRITABLE)\n-\t\t\tpmp_flags |= PMP_W;\n-\t\tif (reg->flags & SBI_DOMAIN_MEMREGION_SU_EXECUTABLE)\n-\t\t\tpmp_flags |= PMP_X;\n-\n+\t\tpmp_flags = sbi_domain_get_oldpmp_flags(reg);\n \t\tpmp_addr = reg->base >> PMP_SHIFT;\n \t\tif (pmp_log2gran <= reg->order && pmp_addr < pmp_addr_max) {\n \t\t\tsbi_platform_pmp_set(sbi_platform_ptr(scratch),\n", "prefixes": [ "v6", "2/7" ] }