Files
raspberrypi/bssdata/Makefile
root 467e3eb389 adding bssdata example to explain what I mean about not using .data or zeroing .bss
and what happens to you if you assume something when using my code as a baseline.
2012-09-05 02:43:48 -04:00

40 lines
861 B
Makefile

ARMGNU ?= arm-none-eabi
COPS = -Wall -O2 -nostdlib -nostartfiles -ffreestanding
gcc : bssdata.hex bssdata.bin fun.list
clean :
rm -f *.o
rm -f *.bin
rm -f *.hex
rm -f *.elf
rm -f *.list
rm -f *.img
rm -f *.bc
vectors.o : vectors.s
$(ARMGNU)-as vectors.s -o vectors.o
bssdata.o : bssdata.c
$(ARMGNU)-gcc $(COPS) -c bssdata.c -o bssdata.o
bssdata.elf : memmap vectors.o bssdata.o
$(ARMGNU)-ld vectors.o bssdata.o -T memmap -o bssdata.elf
$(ARMGNU)-objdump -D bssdata.elf > bssdata.list
bssdata.bin : bssdata.elf
$(ARMGNU)-objcopy bssdata.elf -O binary bssdata.bin
bssdata.hex : bssdata.elf
$(ARMGNU)-objcopy bssdata.elf -O ihex bssdata.hex
fun.list : start.s simple fun.c
$(ARMGNU)-as start.s -o start.o
$(ARMGNU)-gcc $(COPS) -c fun.c -o fun.o
$(ARMGNU)-ld -T simple start.o fun.o -o fun.elf
$(ARMGNU)-objdump -D fun.elf > fun.list