circuitpython/ports/stm32/mboot/mboot.h

63 lines
2.1 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include <stddef.h>
// Use this to tag global static data in RAM that doesn't need to be zeroed on startup
#define SECTION_NOZERO_BSS __attribute__((section(".nozero_bss")))
#define ELEM_DATA_SIZE (1024)
#define ELEM_DATA_START (&_estack[0])
#define ELEM_DATA_MAX (&_estack[ELEM_DATA_SIZE])
enum {
ELEM_TYPE_END = 1,
ELEM_TYPE_MOUNT,
ELEM_TYPE_FSLOAD,
};
enum {
ELEM_MOUNT_FAT = 1,
};
typedef struct _fsload_bdev_t {
uint32_t base_addr;
uint32_t byte_len;
} fsload_bdev_t;
extern uint8_t _estack[ELEM_DATA_SIZE];
uint32_t get_le32(const uint8_t *b);
void led_state_all(unsigned int mask);
int do_page_erase(uint32_t addr, uint32_t *next_addr);
void do_read(uint32_t addr, int len, uint8_t *buf);
int do_write(uint32_t addr, const uint8_t *src8, size_t len);
const uint8_t *elem_search(const uint8_t *elem, uint8_t elem_id);
int fsload_process(void);