44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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* Copyright (c) 2022 IoT.bzh
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/sys/slist.h>
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#include <zephyr/linker/linker-defs.h>
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#include <zephyr/arch/arm/mpu/arm_mpu.h>
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#define DEVICE_REGION_START 0x80000000UL
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#define DEVICE_REGION_END 0xFFFFFFFFUL
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static const struct arm_mpu_region mpu_regions[] = {
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/* Region 0 zephyr vector */
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MPU_REGION_ENTRY("vector",
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(uintptr_t)_vector_start,
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REGION_RAM_TEXT_ATTR((uintptr_t)_vector_end)),
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/* Region 1 zephyr text */
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MPU_REGION_ENTRY("SRAM_0",
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(uintptr_t)__text_region_start,
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REGION_RAM_TEXT_ATTR((uintptr_t)__rodata_region_start)),
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/* Region 2 zephyr rodata */
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MPU_REGION_ENTRY("SRAM_1",
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(uintptr_t)__rodata_region_start,
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REGION_RAM_RO_ATTR((uintptr_t)__rodata_region_end)),
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/* Region 3 zephyr data */
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MPU_REGION_ENTRY("SRAM_2",
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(uintptr_t)__rom_region_end,
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REGION_RAM_ATTR((uintptr_t)__kernel_ram_end)),
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/* Region 4 device region */
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MPU_REGION_ENTRY("DEVICE",
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DEVICE_REGION_START,
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REGION_DEVICE_ATTR(DEVICE_REGION_END)),
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};
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const struct arm_mpu_config mpu_config = {
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.num_regions = ARRAY_SIZE(mpu_regions),
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.mpu_regions = mpu_regions,
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};
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