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"Jian-Hong Pan <chienhung....@gmail.com>" just uploaded a new patch set to
Gerrit, which you can find at https://review.openocd.org/c/openocd/+/7343
-- gerrit
commit 0b271d21ea9ca5b66958076568771384ce54d8e2
Author: Jian-Hong Pan <chienhung....@gmail.com>
Date: Thu Nov 10 00:14:10 2022 +0800
[WIP] flash/nor, contrib/loaders: move numicro M4 write assembly to
contrib/loaders
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....@gmail.com>
Change-Id: I22b8be0a245857335b11bd0b538db415fc34748d
diff --git a/contrib/loaders/flash/numicro_m4/Makefile
b/contrib/loaders/flash/numicro_m4/Makefile
new file mode 100644
index 0000000000..0f9c507cd5
--- /dev/null
+++ b/contrib/loaders/flash/numicro_m4/Makefile
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+BIN2C = ../../../../src/helper/bin2char.sh
+
+CROSS_COMPILE ?= arm-none-eabi-
+
+CC=$(CROSS_COMPILE)gcc
+OBJCOPY=$(CROSS_COMPILE)objcopy
+OBJDUMP=$(CROSS_COMPILE)objdump
+
+
+AFLAGS = -static -nostartfiles -mlittle-endian -mcpu=cortex-m4 -Wa,-EL
+
+all: numicro_m4.inc
+
+.PHONY: clean
+
+%.elf: %.S
+ $(CC) $(AFLAGS) $< -o $@
+
+%.lst: %.elf
+ $(OBJDUMP) -S $< > $@
+
+%.bin: %.elf
+ $(OBJCOPY) -Obinary $< $@
+
+%.inc: %.bin
+ $(BIN2C) < $< > $@
+
+clean:
+ -rm -f *.elf *.lst *.bin *.inc
diff --git a/contrib/loaders/flash/numicro_m4/numicro_m4.S
b/contrib/loaders/flash/numicro_m4/numicro_m4.S
new file mode 100644
index 0000000000..2ec2aec238
--- /dev/null
+++ b/contrib/loaders/flash/numicro_m4/numicro_m4.S
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/***************************************************************************
+ * Copyright (C) 2017 Zale Yu *
+ * c...@nuvoton.com *
+ * *
+ * Copyright (C) 2022 Jian-Hong Pan *
+ * chienhung....@gmail.com *
+ ***************************************************************************/
+
+ .text
+ .cpu cortex-m4
+ .thumb
+
+ /* 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++){ */
+ mov r4, r0
+ mov r3, #0
+.L2:
+ sub r5, r1, r0
+ add r7, r4, r7
+ cmp r3, r2
+ beq .L7
+.L4:
+ /* NUMICRO_FLASH_ISPADR = faddr; */
+ ldr r6, .L8
+ str r7, [r6]
+ /* NUMICRO_FLASH_ISPDAT = *pLW; */
+ ldmia r4!, {r7}
+ ldr r5, .L8+4
+ str r7, [r5]
+ /* faddr += 4; */
+ /* pLW++; */
+ /* Trigger write action */
+ /* NUMICRO_FLASH_ISPTRG = ISPTRG_ISPGO; */
+ ldr r5, .L8+8
+ mov r6, #1
+ str r6, [r5]
+.L3:
+ /* while((NUMICRO_FLASH_ISPTRG & ISPTRG_ISPGO) == ISPTRG_ISPGO){}; */
+ ldr r7, [r5]
+ lsl r7, r7, #31
+ bmi .L3
+
+ add r3, r3, #1
+ b .L2
+.L7:
+ /* return (NUMICRO_FLASH_ISPCON & ISPCON_ISPFF); */
+ ldr r3, .L8+12
+ ldr r0, [r3]
+ mov r1, #64
+ and r0, r1
+.L9:
+ bkpt #0
+.L8:
+ .word 0x4000C004
+ .word 0x4000C008
+ .word 0x4000C010
+ .word 0x4000C000
diff --git a/contrib/loaders/flash/numicro_m4/numicro_m4.inc
b/contrib/loaders/flash/numicro_m4/numicro_m4.inc
new file mode 100644
index 0000000000..5fabd553b0
--- /dev/null
+++ b/contrib/loaders/flash/numicro_m4/numicro_m4.inc
@@ -0,0 +1,5 @@
+/* Autogenerated with ../../../../src/helper/bin2char.sh */
+0x04,0x1c,0x00,0x23,0x0d,0x1a,0xe7,0x19,0x93,0x42,0x0c,0xd0,0x08,0x4e,0x37,0x60,
+0x80,0xcc,0x08,0x4d,0x2f,0x60,0x08,0x4d,0x01,0x26,0x2e,0x60,0x2f,0x68,0xff,0x07,
+0xfc,0xd4,0x01,0x33,0xee,0xe7,0x05,0x4b,0x18,0x68,0x40,0x21,0x08,0x40,0x00,0xbe,
+0x04,0xc0,0x00,0x40,0x08,0xc0,0x00,0x40,0x10,0xc0,0x00,0x40,0x00,0xc0,0x00,0x40,
diff --git a/src/flash/nor/numicro.c b/src/flash/nor/numicro.c
index 2bba7b7468..cbd2450b0e 100644
--- a/src/flash/nor/numicro.c
+++ b/src/flash/nor/numicro.c
@@ -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 */
--
