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lib: sbi: Add hart_ prefix to PMP functions

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PMP functions that deal with hart PMP CSRs are given a sbi_hart_ prefix,
to distinguish from RISC-V PMP encoding functions.

The is_pmp_entry_mapped() function is changed a little more, to align
with other PMP conventions, and made to return a bool to make it more
obvious that it returns a bool and not an SBI_ return code.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260430045528.420437-8-npiggin@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Nicholas Piggin
2026-04-30 14:55:24 +10:00
committed by Anup Patel
parent f7738cc1e5
commit 63350c6ea6
4 changed files with 42 additions and 40 deletions
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lib/sbi/riscv_asm.c
+7 -7
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@@ -332,7 +332,7 @@ static int hart_pmp_write(pmp_t *pmp, unsigned int n)
return SBI_OK;
}
int pmp_disable(unsigned int n)
int sbi_hart_pmp_disable(unsigned int n)
{
pmp_t pmp;
int rc;
@@ -346,18 +346,18 @@ int pmp_disable(unsigned int n)
return hart_pmp_write(&pmp, n);
}
int is_pmp_entry_mapped(unsigned long entry)
bool sbi_hart_is_pmp_enabled(unsigned int n)
{
pmp_t pmp;
if (hart_pmp_read(&pmp, entry) != SBI_OK)
if (hart_pmp_read(&pmp, n) != SBI_OK)
return false;
return sbi_pmp_is_enabled(&pmp);
}
int pmp_set(unsigned int n, unsigned long prot, unsigned long addr,
unsigned long log2len)
int sbi_hart_pmp_set(unsigned int n, unsigned long prot, unsigned long addr,
unsigned long log2len)
{
pmp_t pmp;
int rc;
@@ -369,8 +369,8 @@ int pmp_set(unsigned int n, unsigned long prot, unsigned long addr,
return hart_pmp_write(&pmp, n);
}
int pmp_get(unsigned int n, unsigned long *prot_out, unsigned long *addr_out,
unsigned long *log2len)
int sbi_hart_pmp_get(unsigned int n, unsigned long *prot_out, unsigned long *addr_out,
unsigned long *log2len)
{
pmp_t pmp;
int rc;