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| author | Nicholas Piggin <npiggin@gmail.com> | 2026-04-30 14:55:20 +1000 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2026-06-10 13:17:30 +0530 |
| commit | e9797b5e574c87332679a30e542b519c93e650ca (patch) | |
| tree | d66a8a5fff4eae36a54c7256eb3996897f70be6c /include | |
| parent | c93a89f214ecbad7af3de54842ee93960aaf0d15 (diff) | |
| download | opensbi-e9797b5e574c87332679a30e542b519c93e650ca.tar.gz opensbi-e9797b5e574c87332679a30e542b519c93e650ca.zip | |
lib: sbi: Move RISC-V PMP encoding functions to sbi_pmp.c
Create a new file for handling the RISC-V PMP format and the new pmp_t
type, as opposed to hart PMP CSR specific access.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260430045528.420437-4-npiggin@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_pmp.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/sbi/sbi_pmp.h b/include/sbi/sbi_pmp.h new file mode 100644 index 00000000..c38dda55 --- /dev/null +++ b/include/sbi/sbi_pmp.h @@ -0,0 +1,22 @@ +/* + * SPDX-FileCopyrightText: (c) 2025-2026 Tenstorrent USA, Inc. + * SPDX-License-Identifier: BSD-2-Clause + */ + +#ifndef __SBI_PMP_H__ +#define __SBI_PMP_H__ + +#include <sbi/sbi_types.h> + +struct pmp { + unsigned long addr; + u8 cfg; +}; +typedef struct pmp pmp_t; + +int sbi_pmp_encode(pmp_t *pmp, unsigned long prot, unsigned long addr, + unsigned long log2len); +int sbi_pmp_decode(pmp_t *pmp, unsigned long *prot, unsigned long *addr, + unsigned long *log2len); + +#endif |