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lib: sbi: Factor-out PMP programming into separate sources

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The PMP programming is a significant part of sbi_hart.c so factor-out
this into separate sources sbi_hart_pmp.c and sbi_hart_pmp.h for better
maintainability.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20251209135235.423391-6-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2025-12-09 19:22:35 +05:30
committed by Anup Patel
parent 42139bb9b7
commit 5eec86eec8
6 changed files with 382 additions and 351 deletions
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20
include/sbi/sbi_hart_pmp.h Normal file
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@@ -0,0 +1,20 @@
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2025 Ventana Micro Systems Inc.
*/
#ifndef __SBI_HART_PMP_H__
#define __SBI_HART_PMP_H__
#include <sbi/sbi_types.h>
struct sbi_scratch;
unsigned int sbi_hart_pmp_count(struct sbi_scratch *scratch);
unsigned int sbi_hart_pmp_log2gran(struct sbi_scratch *scratch);
unsigned int sbi_hart_pmp_addrbits(struct sbi_scratch *scratch);
bool sbi_hart_smepmp_is_fw_region(unsigned int pmp_idx);
int sbi_hart_pmp_init(struct sbi_scratch *scratch);
#endif