From: Bo Gan <ganboing@gmail.com>
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 [thread overview]
Message-ID: <20251209102246.1161-2-ganboing@gmail.com> (raw)
In-Reply-To: <20251209102246.1161-1-ganboing@gmail.com>
sbi_hart_pmp_fence can now be utilized by other hart-protection
implementation.
Signed-off-by: Bo Gan <ganboing@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 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
--
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next prev parent reply other threads:[~2025-12-09 10:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-09 10:22 [PATCH v4 0/5] Initial ESWIN/EIC7700 support Bo Gan
2025-12-09 10:22 ` Bo Gan [this message]
2025-12-09 10:22 ` [PATCH v4 2/5] lib: sbi_domain: add sbi_domain_get_oldpmp_flags Bo Gan
2025-12-09 10:22 ` [PATCH v4 3/5] lib: sbi_domain: make is_region_subset public Bo Gan
2025-12-09 10:22 ` [PATCH v4 4/5] lib: sbi: give platform choice of using single memregion to cover OpenSBI Bo Gan
2025-12-09 10:22 ` [PATCH v4 5/5] platform: generic: eswin: add EIC7700 Bo Gan
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