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flash/nor, contrib/loaders: move numicro M4 write assembly to contrib/loaders

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Simply move numicro M4 flash write assembly to contrib/loaders. Also,
add corresponding Makefile and generated numicro_m4.inc.

Signed-off-by: Jian-Hong Pan <chienhung.pan@gmail.com>
Change-Id: I22b8be0a245857335b11bd0b538db415fc34748d
Reviewed-on: https://review.openocd.org/c/openocd/+/7343
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Jian-Hong Pan
2022-11-10 00:14:10 +08:00
committed by Antonio Borneo
parent 21b14028ad
commit 63336f4aaf
4 changed files with 107 additions and 56 deletions
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57
src/flash/nor/numicro.c
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@@ -740,62 +740,7 @@ static const uint8_t numicro_flash_write_code[] = {
};
static const uint8_t numicro_m4_flash_write_code[] = {
/* Params:
* r0 - workarea buffer / result
* r1 - target address
* r2 - wordcount
* Clobbered:
* r4 - tmp
* r5 - tmp
* r6 - tmp
* r7 - tmp
*/
/* .L1: */
/* for(register uint32_t i=0;i<wcount;i++){ */
0x04, 0x1C, /* mov r4, r0 */
0x00, 0x23, /* mov r3, #0 */
/* .L2: */
0x0D, 0x1A, /* sub r5, r1, r0 */
0x67, 0x19, /* add r7, r4, r7 */
0x93, 0x42, /* cmp r3, r2 */
0x0C, 0xD0, /* beq .L7 */
/* .L4: */
/* NUMICRO_FLASH_ISPADR = faddr; */
0x08, 0x4E, /* ldr r6, .L8 */
0x37, 0x60, /* str r7, [r6] */
/* NUMICRO_FLASH_ISPDAT = *pLW; */
0x80, 0xCC, /* ldmia r4!, {r7} */
0x08, 0x4D, /* ldr r5, .L8+4 */
0x2F, 0x60, /* str r7, [r5] */
/* faddr += 4; */
/* pLW++; */
/* Trigger write action */
/* NUMICRO_FLASH_ISPTRG = ISPTRG_ISPGO; */
0x08, 0x4D, /* ldr r5, .L8+8 */
0x01, 0x26, /* mov r6, #1 */
0x2E, 0x60, /* str r6, [r5] */
/* .L3: */
/* while((NUMICRO_FLASH_ISPTRG & ISPTRG_ISPGO) == ISPTRG_ISPGO){}; */
0x2F, 0x68, /* ldr r7, [r5] */
0xFF, 0x07, /* lsl r7, r7, #31 */
0xFC, 0xD4, /* bmi .L3 */
0x01, 0x33, /* add r3, r3, #1 */
0xEE, 0xE7, /* b .L2 */
/* .L7: */
/* return (NUMICRO_FLASH_ISPCON & ISPCON_ISPFF); */
0x05, 0x4B, /* ldr r3, .L8+12 */
0x18, 0x68, /* ldr r0, [r3] */
0x40, 0x21, /* mov r1, #64 */
0x08, 0x40, /* and r0, r1 */
/* .L9: */
0x00, 0xBE, /* bkpt #0 */
/* .L8: */
0x04, 0xC0, 0x00, 0x40,/* .word 0x4000C004 */
0x08, 0xC0, 0x00, 0x40,/* .word 0x4000C008 */
0x10, 0xC0, 0x00, 0x40,/* .word 0x4000C010 */
0x00, 0xC0, 0x00, 0x40 /* .word 0x4000C000 */
#include "../../../contrib/loaders/flash/numicro_m4/numicro_m4.inc"
};
/* Program LongWord Block Write */