pmp.h

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/*
 * Copyright (c) 2025 Google LLC
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_RISCV_PMP_H_
#define ZEPHYR_INCLUDE_RISCV_PMP_H_
 
#include <zephyr/arch/riscv/arch.h>
#include <zephyr/sys/iterable_sections.h>

struct pmp_soc_region {
        const void *start;
        const void *end;
        uint8_t perm;
};

#define PMP_SOC_REGION_DEFINE(name, _start, _end, _perm)                                           \
        static const STRUCT_SECTION_ITERABLE(pmp_soc_region, name) = {                             \
                .start = (const void *)(_start),                                                   \
                .end = (const void *)(_end),                                                       \
                .perm = (_perm),                                                                   \
        }

int z_riscv_pmp_change_permissions(size_t region_idx, uint8_t perm);

void z_riscv_pmp_clear_all(void);
 
#endif /* ZEPHYR_INCLUDE_RISCV_PMP_H_ */