This is an automated email from Gerrit.
Andrey Yurovsky (yurov...@gmail.com) just uploaded a new patch set to Gerrit,
which you can find at http://openocd.zylin.com/1641
-- gerrit
commit 67ded5c64e5f591811804afffdaa9ed0408dc6d1
Author: Andrey Yurovsky <yurov...@gmail.com>
Date: Fri Sep 20 22:21:10 2013 -0700
sam4s flash: remove unused bootstrap routine
Remove the static const array containing ARM instructions for a
bootstrap program. Despite what the comment says, the DAP can write to
the Flash and in fact this program is not referenced anywhere in openocd
so it's a bit confusing having it in there. There should be no
functionality change from this.
Change-Id: I4ca4206f090a896628ee9b675d1f04450ada1563
Signed-off-by: Andrey Yurovsky <yurov...@gmail.com>
diff --git a/src/flash/nor/at91sam4.c b/src/flash/nor/at91sam4.c
index 1ba3910..c787237 100644
--- a/src/flash/nor/at91sam4.c
+++ b/src/flash/nor/at91sam4.c
@@ -1848,93 +1848,6 @@ static int sam4_page_read(struct sam4_bank_private
*pPrivate, unsigned pagenum,
return r;
}
-/* The code below is basically this: */
-/* compiled with */
-/* arm-none-eabi-gcc -mthumb -mcpu = cortex-m3 -O9 -S ./foobar.c -o foobar.s */
-/* */
-/* Only the *CPU* can write to the flash buffer. */
-/* the DAP cannot... so - we download this 28byte thing */
-/* Run the algorithm - (below) */
-/* to program the device */
-/* */
-/* ======================================== */
-/* #include <stdint.h> */
-/* */
-/* struct foo { */
-/* uint32_t *dst; */
-/* const uint32_t *src; */
-/* int n; */
-/* volatile uint32_t *base; */
-/* uint32_t cmd; */
-/* }; */
-/* */
-/* */
-/* uint32_t sam4_function(struct foo *p) */
-/* { */
-/* volatile uint32_t *v; */
-/* uint32_t *d; */
-/* const uint32_t *s; */
-/* int n; */
-/* uint32_t r; */
-/* */
-/* d = p->dst; */
-/* s = p->src; */
-/* n = p->n; */
-/* */
-/* do { */
-/* *d++ = *s++; */
-/* } while (--n) */
-/* ; */
-/* */
-/* v = p->base; */
-/* */
-/* v[ 1 ] = p->cmd; */
-/* do { */
-/* r = v[8/4]; */
-/* } while (!(r&1)) */
-/* ; */
-/* return r; */
-/* } */
-/* ======================================== */
-
-static const uint8_t
- sam4_page_write_opcodes[] = {
- /* 24 0000 0446 mov r4, r0 */
- 0x04, 0x46,
- /* 25 0002 6168 ldr r1, [r4, #4] */
- 0x61, 0x68,
- /* 26 0004 0068 ldr r0, [r0, #0] */
- 0x00, 0x68,
- /* 27 0006 A268 ldr r2, [r4, #8] */
- 0xa2, 0x68,
- /* 28 @ lr needed for prologue */
- /* 29 .L2: */
- /* 30 0008 51F8043B ldr r3, [r1], #4 */
- 0x51, 0xf8, 0x04, 0x3b,
- /* 31 000c 12F1FF32 adds r2, r2, #-1 */
- 0x12, 0xf1, 0xff, 0x32,
- /* 32 0010 40F8043B str r3, [r0], #4 */
- 0x40, 0xf8, 0x04, 0x3b,
- /* 33 0014 F8D1 bne .L2 */
- 0xf8, 0xd1,
- /* 34 0016 E268 ldr r2, [r4, #12] */
- 0xe2, 0x68,
- /* 35 0018 2369 ldr r3, [r4, #16] */
- 0x23, 0x69,
- /* 36 001a 5360 str r3, [r2, #4] */
- 0x53, 0x60,
- /* 37 001c 0832 adds r2, r2, #8 */
- 0x08, 0x32,
- /* 38 .L4: */
- /* 39 001e 1068 ldr r0, [r2, #0] */
- 0x10, 0x68,
- /* 40 0020 10F0010F tst r0, #1 */
- 0x10, 0xf0, 0x01, 0x0f,
- /* 41 0024 FBD0 beq .L4 */
- 0xfb, 0xd0,
- 0x00, 0xBE /* bkpt #0 */
-};
-
static int sam4_page_write(struct sam4_bank_private *pPrivate, unsigned
pagenum, uint8_t *buf)
{
uint32_t adr;
--
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