50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
|
/*
|
||
|
|
* This file is part of the Black Magic Debug project.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2015 Black Sphere Technologies Ltd.
|
||
|
|
* Written by Gareth McMullin <gareth@blacksphere.co.nz>
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#include <stdint.h>
|
||
|
|
#include "stub.h"
|
||
|
|
|
||
|
|
#define LMI_FLASH_BASE ((volatile uint32_t *)0x400FD000)
|
||
|
|
#define LMI_FLASH_FMA LMI_FLASH_BASE[0]
|
||
|
|
#define LMI_FLASH_FMD LMI_FLASH_BASE[1]
|
||
|
|
#define LMI_FLASH_FMC LMI_FLASH_BASE[2]
|
||
|
|
|
||
|
|
#define LMI_FLASH_FMC_WRITE (1 << 0)
|
||
|
|
#define LMI_FLASH_FMC_ERASE (1 << 1)
|
||
|
|
#define LMI_FLASH_FMC_MERASE (1 << 2)
|
||
|
|
#define LMI_FLASH_FMC_COMT (1 << 3)
|
||
|
|
#define LMI_FLASH_FMC_WRKEY 0xA4420000
|
||
|
|
|
||
|
|
void __attribute__((naked))
|
||
|
|
stm32f1_flash_write_stub(uint32_t *dest, uint32_t *src, uint32_t size)
|
||
|
|
{
|
||
|
|
size /= 4;
|
||
|
|
for (int i; i < size; i++) {
|
||
|
|
LMI_FLASH_FMA = (uint32_t)&dest[i];
|
||
|
|
LMI_FLASH_FMD = src[i];
|
||
|
|
LMI_FLASH_FMC = LMI_FLASH_FMC_WRKEY | LMI_FLASH_FMC_WRITE;
|
||
|
|
while (LMI_FLASH_FMC & LMI_FLASH_FMC_WRITE)
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
stub_exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|