changeset 201:59de85ae94a7

target-utils/flash-boot-wa written
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 01 May 2017 21:02:58 +0000
parents cc6594a7fc7a
children b81176fe68a7
files target-utils/flash-boot-wa/Makefile target-utils/flash-boot-wa/flash-boot-wa.S
diffstat 2 files changed, 29 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/flash-boot-wa/Makefile	Mon May 01 21:02:58 2017 +0000
@@ -0,0 +1,21 @@
+CC=	arm-elf-gcc
+CFLAGS=	-Os -fno-builtin
+CPPFLAGS=-I../include
+LD=	arm-elf-ld
+OBJCOPY=arm-elf-objcopy
+
+PROG=	flash-boot-wa
+LDS=	../env/iram.lds
+
+all:	${PROG}.srec
+
+${PROG}.elf:	${PROG}.o ${LDS}
+	${LD} -N --defsym Base_addr=0x820000 -T ${LDS} -o $@ ${PROG}.o
+
+${PROG}.srec:	${PROG}.elf
+	${OBJCOPY} -O srec --srec-forceS3 --srec-len=30 $< $@
+
+clean:
+	rm -f *.o *errs *core *.elf *.bin *.srec
+
+FRC:
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/flash-boot-wa/flash-boot-wa.S	Mon May 01 21:02:58 2017 +0000
@@ -0,0 +1,8 @@
+	.text
+	.code	32
+	.globl	_entry
+
+_entry:	ldr	r1, =0xFFFFFB10
+	mov	r2, #0x0300
+	strh	r2, [r1]
+	mov	pc, #0