--- /dev/null
+BIN2C = ../../../../src/helper/bin2char.sh
+
+CROSS_COMPILE ?= arm-none-eabi-
+
+CC=$(CROSS_COMPILE)gcc
+OBJCOPY=$(CROSS_COMPILE)objcopy
+OBJDUMP=$(CROSS_COMPILE)objdump
+
+CFLAGS = -static -nostartfiles -mlittle-endian -Wa,-EL
+
+all: nrf5.inc
+
+.PHONY: clean
+
+%.elf: %.S
+ $(CC) $(CFLAGS) $< -o $@
+
+%.lst: %.elf
+ $(OBJDUMP) -S $< > $@
+
+%.bin: %.elf
+ $(OBJCOPY) -Obinary $< $@
+
+%.inc: %.bin
+ $(BIN2C) < $< > $@
+
+clean:
+ -rm -f *.elf *.lst *.bin *.inc
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2014 Angus Gratton *
+ * gus@projectgus.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc. *
+ ***************************************************************************/
+
+ .text
+ .syntax unified
+ .thumb
+
+/*
+ * Params :
+ * r0 = byte count
+ * r1 = buffer start
+ * r2 = buffer end
+ * r3 = target address
+ */
+
+ .thumb_func
+ .global _start
+_start:
+wait_fifo:
+ ldr r5, [r1, #0]
+ cmp r5, #0
+ beq.n exit
+ ldr r4, [r1, #4]
+ cmp r4, r5
+ beq.n wait_fifo
+ ldmia r4!, {r5}
+ stmia r3!, {r5}
+ cmp r4, r2
+ bcc.n no_wrap
+ mov r4, r1
+ adds r4, #8
+no_wrap:
+ str r4, [r1, #4]
+ subs r0, #4
+ bne.n wait_fifo
+exit:
+ bkpt #0x00
+
+ .pool
--- /dev/null
+/* Autogenerated with ../../../../src/helper/bin2char.sh */
+0x0d,0x68,0x00,0x2d,0x0b,0xd0,0x4c,0x68,0xac,0x42,0xf9,0xd0,0x20,0xcc,0x20,0xc3,
+0x94,0x42,0x01,0xd3,0x0c,0x46,0x08,0x34,0x4c,0x60,0x04,0x38,0xf0,0xd1,0x00,0xbe,
return res;
}
-static const uint8_t nrf5_flash_write_code[] = {
- /* See contrib/loaders/flash/cortex-m0.S */
-/* <wait_fifo>: */
- 0x0d, 0x68, /* ldr r5, [r1, #0] */
- 0x00, 0x2d, /* cmp r5, #0 */
- 0x0b, 0xd0, /* beq.n 1e <exit> */
- 0x4c, 0x68, /* ldr r4, [r1, #4] */
- 0xac, 0x42, /* cmp r4, r5 */
- 0xf9, 0xd0, /* beq.n 0 <wait_fifo> */
- 0x20, 0xcc, /* ldmia r4!, {r5} */
- 0x20, 0xc3, /* stmia r3!, {r5} */
- 0x94, 0x42, /* cmp r4, r2 */
- 0x01, 0xd3, /* bcc.n 18 <no_wrap> */
- 0x0c, 0x46, /* mov r4, r1 */
- 0x08, 0x34, /* adds r4, #8 */
-/* <no_wrap>: */
- 0x4c, 0x60, /* str r4, [r1, #4] */
- 0x04, 0x38, /* subs r0, #4 */
- 0xf0, 0xd1, /* bne.n 0 <wait_fifo> */
-/* <exit>: */
- 0x00, 0xbe /* bkpt 0x0000 */
-};
-
-
/* Start a low level flash write for the specified region */
static int nrf5_ll_flash_write(struct nrf5_info *chip, uint32_t address, const uint8_t *buffer, uint32_t bytes)
{
struct armv7m_algorithm armv7m_info;
int retval = ERROR_OK;
+ static const uint8_t nrf5_flash_write_code[] = {
+#include "../../../contrib/loaders/flash/nrf5/nrf5.inc"
+ };
+
LOG_DEBUG("Writing buffer to flash address=0x%"PRIx32" bytes=0x%"PRIx32, address, bytes);
assert(bytes % 4 == 0);