[PATCH v5 1/7] lib: sbi_hart_pmp: make sbi_hart_pmp_fence public

Bo Gan ganboing at gmail.com
Wed Dec 17 05:29:53 PST 2025


sbi_hart_pmp_fence can now be utilized by other hart-protection
implementation.

Signed-off-by: Bo Gan <ganboing at gmail.com>
---
 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 62bc859a..7f970ca3 100644
--- a/lib/sbi/sbi_hart_pmp.c
+++ b/lib/sbi/sbi_hart_pmp.c
@@ -62,7 +62,7 @@ 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




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