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9ffda10298
Simply move numicro M0 flash write assembly to contrib/loaders. Also, modify corresponding Makefile and generated numicro_m0.inc. To make the path more general, this patch rename the path "contrib/loaders/flash/numicro_m4" to "contrib/loaders/flash/numicro" as well. Signed-off-by: Jian-Hong Pan <chienhung.pan@gmail.com> Change-Id: I9adea24c2b3c97319a9b015cf50257f3d131dc26 Reviewed-on: https://review.openocd.org/c/openocd/+/7346 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
74 lines
1.8 KiB
ArmAsm
74 lines
1.8 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/***************************************************************************
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* Copyright (C) 2015 Nemui Trinomius *
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* nemuisan_kawausogasuki@live.jp *
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* *
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* Copyright (C) 2017 Zale Yu *
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* CYYU@nuvoton.com *
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* *
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* Copyright (C) 2022 Jian-Hong Pan *
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* chienhung.pan@gmail.com *
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***************************************************************************/
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.text
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.cpu cortex-m0
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.thumb
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/* Params:
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* r0 - workarea buffer / result
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* r1 - target address
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* r2 - wordcount
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* Clobbered:
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* r4 - tmp
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* r5 - tmp
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* r6 - tmp
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* r7 - tmp
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*/
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.L1:
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/* for(register uint32_t i=0;i<wcount;i++){ */
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mov r4, r0
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mov r3, #0
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.L2:
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sub r5, r1, r0
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add r7, r4, r5
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cmp r3, r2
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beq .L7
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.L4:
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/* NUMICRO_FLASH_ISPADR = faddr; */
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ldr r6, .L8
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str r7, [r6]
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/* NUMICRO_FLASH_ISPDAT = *pLW; */
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ldmia r4!, {r7}
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ldr r5, .L8+4
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str r7, [r5]
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/* faddr += 4; */
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/* pLW++; */
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/* Trigger write action */
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/* NUMICRO_FLASH_ISPTRG = ISPTRG_ISPGO; */
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ldr r5, .L8+8
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mov r6, #1
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str r6, [r5]
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.L3:
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/* while((NUMICRO_FLASH_ISPTRG & ISPTRG_ISPGO) == ISPTRG_ISPGO){}; */
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ldr r7, [r5]
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lsl r7, r7, #31
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bmi .L3
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add r3, r3, #1
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b .L2
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.L7:
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/* return (NUMICRO_FLASH_ISPCON & ISPCON_ISPFF); */
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ldr r3, .L8+12
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ldr r0, [r3]
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mov r1, #64
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and r0, r1
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.L9:
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bkpt #0
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.L8:
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.word 0x5000C004
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.word 0x5000C008
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.word 0x5000C010
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.word 0x5000C000
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