interesting
/
riscv-openocd
mirror of https://github.com/riscv/riscv-openocd.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

stm32l4x.c: Correct waiting for data. 

Old code waited only for 7 bytes and didn't handle buffer wrap-around, but
was functional despite.

Change-Id: Iceaf7be1e51368b2ec0a8722cc9ac16d12f9aa63
Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Reviewed-on: http://openocd.zylin.com/3140
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Uwe Bonnes 2015-11-30 12:21:12 +01:00 committed by Freddie Chopin
parent a28b94e9ab
commit 934ed07b0d
2 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
contrib/loaders/flash/stm32l4x.S
View File

@ -65,7 +65,10 @@ wait_fifo:
beq exit
ldr r5, [r0, #4] /* read rp */
subs r6, r8, r5 /* number of bytes available for read in r6*/
cmp r6, #7 /* wait until 8 bytes are available */
itt mi /* if wrapped around*/
addmi r6, r1 /* add size of buffer */
submi r6, r0
cmp r6, #8 /* wait until 8 bytes are available */
bcc wait_fifo
ldr r6, STM32_PROG

15
src/flash/nor/stm32l4x.c
View File

@ -463,13 +463,14 @@ static int stm32l4_write_block(struct flash_bank *bank, const uint8_t *buffer,
*/
static const uint8_t stm32l4_flash_write_code[] = {
0xd0, 0xf8, 0x00, 0x80, 0xb8, 0xf1, 0x00, 0x0f, 0x1e, 0xd0, 0x45, 0x68,
0xb8, 0xeb, 0x05, 0x06, 0x07, 0x2e, 0xf5, 0xd3, 0xdf, 0xf8, 0x34, 0x60,
0x66, 0x61, 0xf5, 0xe8, 0x02, 0x67, 0xe2, 0xe8, 0x02, 0x67, 0xbf, 0xf3,
0x4f, 0x8f, 0x26, 0x69, 0x16, 0xf4, 0x80, 0x3f, 0xfb, 0xd1, 0x16, 0xf0,
0xfa, 0x0f, 0x07, 0xd1, 0x8d, 0x42, 0x28, 0xbf, 0x00, 0xf1, 0x08, 0x05,
0x45, 0x60, 0x01, 0x3b, 0x13, 0xb1, 0xdd, 0xe7, 0x00, 0x21, 0x41, 0x60,
0x30, 0x46, 0x00, 0xbe, 0x01, 0x00, 0x00, 0x00
0xd0, 0xf8, 0x00, 0x80, 0xb8, 0xf1, 0x00, 0x0f, 0x21, 0xd0, 0x45, 0x68,
0xb8, 0xeb, 0x05, 0x06, 0x44, 0xbf, 0x76, 0x18, 0x36, 0x1a, 0x08, 0x2e,
0xf2, 0xd3, 0xdf, 0xf8, 0x36, 0x60, 0x66, 0x61, 0xf5, 0xe8, 0x02, 0x67,
0xe2, 0xe8, 0x02, 0x67, 0xbf, 0xf3, 0x4f, 0x8f, 0x26, 0x69, 0x16, 0xf4,
0x80, 0x3f, 0xfb, 0xd1, 0x16, 0xf0, 0xfa, 0x0f, 0x07, 0xd1, 0x8d, 0x42,
0x28, 0xbf, 0x00, 0xf1, 0x08, 0x05, 0x45, 0x60, 0x01, 0x3b, 0x13, 0xb1,
0xda, 0xe7, 0x00, 0x21, 0x41, 0x60, 0x30, 0x46, 0x00, 0xbe, 0x01, 0x00,
0x00, 0x00
};
if (target_alloc_working_area(target, sizeof(stm32l4_flash_write_code),