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lib: sbi: Move hart PMP functions to sbi_hart_pmp.c

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The sbi_hart_pmp.c looks like a good place for the hart PMP CSR
access functions.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260430045528.420437-9-npiggin@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Nicholas Piggin
2026-04-30 14:55:25 +10:00
committed by Anup Patel
parent 63350c6ea6
commit a59c8fb9fb
4 changed files with 122 additions and 123 deletions
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include/sbi/riscv_asm.h
-14
View File
@@ -81,8 +81,6 @@
#ifndef __ASSEMBLER__
#include <sbi/sbi_types.h>
#define csr_swap(csr, val) \
({ \
register unsigned long __v = (unsigned long)(val); \
@@ -211,18 +209,6 @@ int misa_xlen(void);
/* Get RISC-V ISA string representation */
void misa_string(int xlen, char *out, unsigned int out_sz);
/* Disable pmp entry at a given index */
int sbi_hart_pmp_disable(unsigned int n);
/* Check if the matching field is set */
bool sbi_hart_is_pmp_enabled(unsigned int n);
int sbi_hart_pmp_set(unsigned int n, unsigned long prot, unsigned long addr,
unsigned long log2len);
int sbi_hart_pmp_get(unsigned int n, unsigned long *prot_out, unsigned long *addr_out,
unsigned long *log2len);
#endif /* !__ASSEMBLER__ */
#endif
include/sbi/sbi_hart_pmp.h
+12
View File
@@ -9,6 +9,18 @@
#include <sbi/sbi_types.h>
/* Disable pmp entry at a given index */
int sbi_hart_pmp_disable(unsigned int n);
/* Check if the matching field is set */
bool sbi_hart_is_pmp_enabled(unsigned int n);
int sbi_hart_pmp_set(unsigned int n, unsigned long prot,
unsigned long addr, unsigned long log2len);
int sbi_hart_pmp_get(unsigned int n, unsigned long *prot_out,
unsigned long *addr_out, unsigned long *log2len);
struct sbi_scratch;
unsigned int sbi_hart_pmp_count(struct sbi_scratch *scratch);