esp-idf/components/soc/esp32/include/soc/mmu.h
2020-12-17 15:34:13 +11:00

43 lines
1.7 KiB
C

// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <stdint.h>
#include "soc/dport_reg.h"
#include "soc/soc.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Defined for flash mmap */
#define SOC_MMU_REGIONS_COUNT 4
#define SOC_MMU_PAGES_PER_REGION 64
#define SOC_MMU_IROM0_PAGES_START 64
#define SOC_MMU_IROM0_PAGES_END 256
#define SOC_MMU_DROM0_PAGES_START 0
#define SOC_MMU_DROM0_PAGES_END 64
#define SOC_MMU_INVALID_ENTRY_VAL DPORT_FLASH_MMU_TABLE_INVALID_VAL
#define SOC_MMU_ADDR_MASK DPORT_MMU_ADDRESS_MASK
#define SOC_MMU_PAGE_IN_FLASH(page) (page)
#define SOC_MMU_DPORT_PRO_FLASH_MMU_TABLE ((volatile uint32_t*) 0x3FF10000)
#define SOC_MMU_VADDR1_START_ADDR SOC_IROM_MASK_LOW
#define SOC_MMU_PRO_IRAM0_FIRST_USABLE_PAGE ((SOC_MMU_VADDR1_FIRST_USABLE_ADDR - SOC_MMU_VADDR1_START_ADDR) / SPI_FLASH_MMU_PAGE_SIZE + SOC_MMU_IROM0_PAGES_START)
#define SOC_MMU_VADDR0_START_ADDR SOC_DROM_LOW
#define SOC_MMU_VADDR1_FIRST_USABLE_ADDR SOC_IROM_LOW
#ifdef __cplusplus
}
#endif