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https://github.com/espressif/esp-idf.git
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2d44dc1eed
This commit gives basic mmu driver framework. Now it is able to maintain mmu virtual address usage on esp32, esp32s2 and esp32s3. Usage to external virtual address should rely on mmu functions to know which address range is available, instead of hardcoded. This commit also improves psram memory that is added to the heap allocator. Now it's added to the heap, according to the memory alignment. Closes https://github.com/espressif/esp-idf/issues/8295
33 lines
617 B
C
33 lines
617 B
C
/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "sdkconfig.h"
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#include "soc/soc_caps.h"
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#include "hal/cache_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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intptr_t start;
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intptr_t end;
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size_t size;
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cache_bus_mask_t bus_id;
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uint32_t caps;
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} mmu_mem_region_t;
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//These regions is referring to linear address
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extern const mmu_mem_region_t g_mmu_mem_regions[SOC_MMU_LINEAR_ADDRESS_REGION_NUM];
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#ifdef __cplusplus
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}
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#endif
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