41 lines
1.2 KiB
C
41 lines
1.2 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 "libopencm3/stm32/flash.h"
|
|
#include "stub.h"
|
|
|
|
#define SR_ERROR_MASK 0x14
|
|
|
|
void __attribute__((naked))
|
|
stm32f1_flash_write_stub(uint16_t *dest, uint16_t *src, uint32_t size)
|
|
{
|
|
for (int i; i < size; i += 2) {
|
|
FLASH_CR = FLASH_CR_PG;
|
|
*dest++ = *src++;
|
|
while (FLASH_SR & FLASH_SR_BSY)
|
|
;
|
|
}
|
|
|
|
if (FLASH_SR & SR_ERROR_MASK)
|
|
stub_exit(1);
|
|
|
|
stub_exit(0);
|
|
}
|
|
|