- static const uint16_t stm32x_flash_write_code_16[] = {
- /* 00000000 <write>: */
- 0x4b07, /* ldr r3, [pc, #28] (20 <STM32_PROG16>) */
- 0x6123, /* str r3, [r4, #16] */
- 0xf830, 0x3b02, /* ldrh.w r3, [r0], #2 */
- 0xf821, 0x3b02, /* strh.w r3, [r1], #2 */
-
- /* 0000000c <busy>: */
- 0x68e3, /* ldr r3, [r4, #12] */
- 0xf413, 0x3f80, /* tst.w r3, #65536 ; 0x10000 */
- 0xd0fb, /* beq.n c <busy> */
- 0xf013, 0x0ff0, /* tst.w r3, #240 ; 0xf0 */
- 0xd101, /* bne.n 1e <exit> */
- 0x3a01, /* subs r2, #1 */
- 0xd1f0, /* bne.n 0 <write> */
- /* 0000001e <exit>: */
- 0xbe00, /* bkpt 0x0000 */
-
- /* 00000020 <STM32_PROG16>: */
- 0x0101, 0x0000, /* .word 0x00000101 */
+ static const uint8_t stm32x_flash_write_code[] = {
+ /* wait_fifo: */
+ 0xD0, 0xF8, 0x00, 0x80, /* ldr r8, [r0, #0] */
+ 0xB8, 0xF1, 0x00, 0x0F, /* cmp r8, #0 */
+ 0x1A, 0xD0, /* beq exit */
+ 0x47, 0x68, /* ldr r7, [r0, #4] */
+ 0x47, 0x45, /* cmp r7, r8 */
+ 0xF7, 0xD0, /* beq wait_fifo */
+
+ 0xDF, 0xF8, 0x34, 0x60, /* ldr r6, STM32_PROG16 */
+ 0x26, 0x61, /* str r6, [r4, #STM32_FLASH_CR_OFFSET] */
+ 0x37, 0xF8, 0x02, 0x6B, /* ldrh r6, [r7], #0x02 */
+ 0x22, 0xF8, 0x02, 0x6B, /* strh r6, [r2], #0x02 */
+ 0xBF, 0xF3, 0x4F, 0x8F, /* dsb sy */
+ /* busy: */
+ 0xE6, 0x68, /* ldr r6, [r4, #STM32_FLASH_SR_OFFSET] */
+ 0x16, 0xF4, 0x80, 0x3F, /* tst r6, #0x10000 */
+ 0xFB, 0xD1, /* bne busy */
+ 0x16, 0xF0, 0xF0, 0x0F, /* tst r6, #0xf0 */
+ 0x07, 0xD1, /* bne error */
+
+ 0x8F, 0x42, /* cmp r7, r1 */
+ 0x28, 0xBF, /* it cs */
+ 0x00, 0xF1, 0x08, 0x07, /* addcs r7, r0, #8 */
+ 0x47, 0x60, /* str r7, [r0, #4] */
+ 0x01, 0x3B, /* subs r3, r3, #1 */
+ 0x13, 0xB1, /* cbz r3, exit */
+ 0xDF, 0xE7, /* b wait_fifo */
+ /* error: */
+ 0x00, 0x21, /* movs r1, #0 */
+ 0x41, 0x60, /* str r1, [r0, #4] */
+ /* exit: */
+ 0x30, 0x46, /* mov r0, r6 */
+ 0x00, 0xBE, /* bkpt #0x00 */
+
+ /* <STM32_PROG16>: */
+ 0x01, 0x01, 0x00, 0x00, /* .word 0x00000101 */