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Thu, 27 Nov 2025 03:21:36 -0800 (PST) Received: from localhost.localdomain ([122.171.21.60]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29bceb27598sm15194125ad.62.2025.11.27.03.21.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Nov 2025 03:21:36 -0800 (PST) From: Anup Patel To: Atish Patra Cc: Andrew Jones , Anup Patel , opensbi@lists.infradead.org, Andrew Waterman , Anup Patel Subject: [PATCH 1/2] lib: sbi: Expose __sbi_sfence_vma_all() function Date: Thu, 27 Nov 2025 16:51:20 +0530 Message-ID: <20251127112121.334023-2-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251127112121.334023-1-apatel@ventanamicro.com> References: <20251127112121.334023-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251127_032137_829585_A883F6C3 X-CRM114-Status: GOOD ( 13.04 ) 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 From: Andrew Waterman The __sbi_sfence_vma_all() can be shared by different parts of OpenSBI so rename __tlb_flush_all() to __sbi_sfence_vma_all() and make it global function. Signed-off-by: Andrew Waterman Signed-off-by: Anup Patel --- include/sbi/sbi_tlb.h | 2 ++ lib/sbi/sbi_hart_pmp.c | 3 ++- lib/sbi/sbi_tlb.c | 4 ++-- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/include/sbi/sbi_tlb.h b/include/sbi/sbi_tlb.h index 2c50fe85..3936e857 100644 --- a/include/sbi/sbi_tlb.h +++ b/include/sbi/sbi_tlb.h @@ -54,6 +54,8 @@ do { \ #define SBI_TLB_INFO_SIZE sizeof(struct sbi_tlb_info) +void __sbi_sfence_vma_all(); + int sbi_tlb_request(ulong hmask, ulong hbase, struct sbi_tlb_info *tinfo); int sbi_tlb_init(struct sbi_scratch *scratch, bool cold_boot); diff --git a/lib/sbi/sbi_hart_pmp.c b/lib/sbi/sbi_hart_pmp.c index ab96e2fa..1655d87c 100644 --- a/lib/sbi/sbi_hart_pmp.c +++ b/lib/sbi/sbi_hart_pmp.c @@ -12,6 +12,7 @@ #include #include #include +#include #include /* @@ -74,7 +75,7 @@ static void sbi_hart_pmp_fence(void) * conditions. */ if (misa_extension('S')) { - __asm__ __volatile__("sfence.vma"); + __sbi_sfence_vma_all(); /* * If hypervisor mode is supported, flush caching diff --git a/lib/sbi/sbi_tlb.c b/lib/sbi/sbi_tlb.c index 01b31f4e..ada60c32 100644 --- a/lib/sbi/sbi_tlb.c +++ b/lib/sbi/sbi_tlb.c @@ -29,7 +29,7 @@ static unsigned long tlb_fifo_off; static unsigned long tlb_fifo_mem_off; static unsigned long tlb_range_flush_limit; -static void tlb_flush_all(void) +void __sbi_sfence_vma_all(void) { __asm__ __volatile("sfence.vma"); } @@ -86,7 +86,7 @@ static void sbi_tlb_local_sfence_vma(struct sbi_tlb_info *tinfo) sbi_pmu_ctr_incr_fw(SBI_PMU_FW_SFENCE_VMA_RCVD); if ((start == 0 && size == 0) || (size == SBI_TLB_FLUSH_ALL)) { - tlb_flush_all(); + __sbi_sfence_vma_all(); return; } -- 2.43.0 -- opensbi mailing list opensbi@lists.infradead.org http://lists.infradead.org/mailman/listinfo/opensbi