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| author | Anup Patel <apatel@ventanamicro.com> | 2023-09-07 17:19:43 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-09-24 16:28:16 +0530 |
| commit | 5240d312d310f1325802f6b66b0d92afabb23911 (patch) | |
| tree | 2fc85bf7765bf98d1412ee6799298a4bba65af2d /lib/sbi/sbi_hart.c | |
| parent | bff27c1fb4424c0e499c427e5f1b2b72fa3b5dc3 (diff) | |
| download | opensbi-5240d312d310f1325802f6b66b0d92afabb23911.zip opensbi-5240d312d310f1325802f6b66b0d92afabb23911.tar.gz opensbi-5240d312d310f1325802f6b66b0d92afabb23911.tar.bz2 | |
lib: sbi: Don't clear mseccfg.MML bit in sbi_hart_smepmp_configure()
The mseccfg.MML bit is a sticky bit which remains unchanged once set
so no need to clear it in sbi_hart_smepmp_configure().
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Diffstat (limited to 'lib/sbi/sbi_hart.c')
| -rw-r--r-- | lib/sbi/sbi_hart.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 48784c8..6320ea6 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -360,12 +360,10 @@ static int sbi_hart_smepmp_configure(struct sbi_scratch *scratch, unsigned long pmp_addr; /* - * Set the RLB and clear MML so that, we can write to - * entries without enforcement even if some entries - * are locked. + * Set the RLB so that, we can write to PMP entries without + * enforcement even if some entries are locked. */ csr_set(CSR_MSECCFG, MSECCFG_RLB); - csr_clear(CSR_MSECCFG, MSECCFG_MML); /* Disable the reserved entry */ pmp_disable(SBI_SMEPMP_RESV_ENTRY); |