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https://github.com/trezor/trezor-firmware.git
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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
#ifndef FLASH_COMMON_H
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#define FLASH_COMMON_H
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#include <stdint.h>
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#include "secbool.h"
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typedef struct {
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uint16_t first_sector;
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uint16_t num_sectors;
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} flash_subarea_t;
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typedef struct {
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flash_subarea_t subarea[4];
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uint8_t num_subareas;
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} flash_area_t;
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#define FLASH_BLOCK_SIZE (sizeof(uint32_t) * FLASH_BLOCK_WORDS)
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#if FLASH_BLOCK_WORDS == 1
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typedef uint32_t flash_block_t;
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#else
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typedef uint32_t flash_block_t[FLASH_BLOCK_WORDS];
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#endif
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#if FLASH_BLOCK_WORDS == 1
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#define FLASH_ALIGN(X) (((X) + 3) & ~3)
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#define FLASH_IS_ALIGNED(X) (((X)&3) == 0)
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#elif FLASH_BLOCK_WORDS == 4
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#define FLASH_ALIGN(X) (((X) + 0xF) & ~0xF)
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#define FLASH_IS_ALIGNED(X) (((X)&0xF) == 0)
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#else
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#error Unsupported number of FLASH_BLOCK_WORDS.
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#endif
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void flash_init(void);
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secbool __wur flash_unlock_write(void);
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secbool __wur flash_lock_write(void);
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uint32_t flash_sector_size(uint16_t sector);
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uint16_t flash_total_sectors(const flash_area_t *area);
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int32_t flash_get_sector_num(const flash_area_t *area,
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uint32_t sector_inner_num);
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const void *flash_area_get_address(const flash_area_t *area, uint32_t offset,
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uint32_t size);
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uint32_t flash_area_get_size(const flash_area_t *area);
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secbool __wur flash_area_erase(const flash_area_t *area,
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void (*progress)(int pos, int len));
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secbool __wur flash_area_erase_bulk(const flash_area_t *area, int count,
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void (*progress)(int pos, int len));
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#if defined FLASH_BYTE_ACCESS
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secbool __wur flash_area_write_byte(const flash_area_t *area, uint32_t offset,
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uint8_t data);
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secbool __wur flash_area_write_word(const flash_area_t *area, uint32_t offset,
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uint32_t data);
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#endif
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secbool __wur flash_area_write_block(const flash_area_t *area, uint32_t offset,
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const flash_block_t block);
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#endif
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