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lib: sbi: Fix pmp_flags for Smepmp read-only shared region

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The Smepmp read-only shared region must have pmpcfg.L, pmpcfg.R,
pmpcfg.W, and pmpcfg.X bits set so sbi_hart_get_smepmp_flags()
must return pmp_flags accordingly.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
This commit is contained in:
Anup Patel 2023-09-07 17:19:44 +05:30 • committed by Anup Patel
parent 5240d312d3
commit 2b51a9dd9c
1 changed files with 1 additions and 1 deletions
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2
lib/sbi/sbi_hart.c
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@ -297,7 +297,7 @@ static unsigned int sbi_hart_get_smepmp_flags(struct sbi_scratch *scratch,
if (SBI_DOMAIN_MEMREGION_IS_SHARED(reg->flags)) {
/* Read only for both M and SU modes */
if (SBI_DOMAIN_MEMREGION_IS_SUR_MR(reg->flags))
pmp_flags = (PMP_R | PMP_W | PMP_X);
pmp_flags = (PMP_L | PMP_R | PMP_W | PMP_X);
/* Execute for SU but Read/Execute for M mode */
else if (SBI_DOMAIN_MEMREGION_IS_SUX_MRX(reg->flags))