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Tue, 09 Dec 2025 02:24:52 -0800 (PST) Received: from m91p.airy.home ([172.92.174.155]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29dae49ca1esm149302135ad.2.2025.12.09.02.24.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Dec 2025 02:24:51 -0800 (PST) From: Bo Gan To: opensbi@lists.infradead.org Cc: linmin@eswincomputing.com, pinkesh.vaghela@einfochips.com, gaohan@iscas.ac.cn, samuel@sholland.org, wangxiang@iscas.ac.cn Subject: [PATCH v4 1/5] lib: sbi_hart_pmp: make sbi_hart_pmp_fence public Date: Tue, 9 Dec 2025 02:22:42 -0800 Message-Id: <20251209102246.1161-2-ganboing@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251209102246.1161-1-ganboing@gmail.com> References: <20251209102246.1161-1-ganboing@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251209_022453_812020_6C16E524 X-CRM114-Status: UNSURE ( 9.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: opensbi@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "opensbi" Errors-To: opensbi-bounces+opensbi=archiver.kernel.org@lists.infradead.org sbi_hart_pmp_fence can now be utilized by other hart-protection implementation. Signed-off-by: Bo Gan --- include/sbi/sbi_hart_pmp.h | 1 + lib/sbi/sbi_hart_pmp.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/sbi/sbi_hart_pmp.h b/include/sbi/sbi_hart_pmp.h index f54e8b2a..a7765d17 100644 --- a/include/sbi/sbi_hart_pmp.h +++ b/include/sbi/sbi_hart_pmp.h @@ -15,6 +15,7 @@ unsigned int sbi_hart_pmp_count(struct sbi_scratch *scratch); unsigned int sbi_hart_pmp_log2gran(struct sbi_scratch *scratch); unsigned int sbi_hart_pmp_addrbits(struct sbi_scratch *scratch); bool sbi_hart_smepmp_is_fw_region(unsigned int pmp_idx); +void sbi_hart_pmp_fence(void); int sbi_hart_pmp_init(struct sbi_scratch *scratch); #endif diff --git a/lib/sbi/sbi_hart_pmp.c b/lib/sbi/sbi_hart_pmp.c index ab96e2fa..08bc2cef 100644 --- a/lib/sbi/sbi_hart_pmp.c +++ b/lib/sbi/sbi_hart_pmp.c @@ -61,7 +61,7 @@ bool sbi_hart_smepmp_is_fw_region(unsigned int pmp_idx) return bitmap_test(fw_smepmp_ids, pmp_idx) ? true : false; } -static void sbi_hart_pmp_fence(void) +void sbi_hart_pmp_fence(void) { /* * As per section 3.7.2 of privileged specification v1.12, -- 2.34.1 -- opensbi mailing list opensbi@lists.infradead.org http://lists.infradead.org/mailman/listinfo/opensbi