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Diffstat (limited to 'src/flash/nor/stm32x.c')
-rw-r--r--src/flash/nor/stm32x.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c
index 4ec777dd..5b31b042 100644
--- a/src/flash/nor/stm32x.c
+++ b/src/flash/nor/stm32x.c
@@ -446,6 +446,8 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
+ /* see contib/loaders/flash/stm32x.s for src */
+
static const uint8_t stm32x_flash_write_code[] = {
/* write: */
0xDF, 0xF8, 0x24, 0x40, /* ldr r4, STM32_FLASH_CR */
@@ -462,6 +464,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
0x01, 0xD1, /* bne exit */
0x01, 0x3A, /* subs r2, r2, #1 */
0xED, 0xD1, /* bne write */
+ /* exit: */
0x00, 0xBE, /* bkpt #0 */
0x10, 0x20, 0x02, 0x40, /* STM32_FLASH_CR: .word 0x40022010 */
0x0C, 0x20, 0x02, 0x40 /* STM32_FLASH_SR: .word 0x4002200C */