1# To specify cross compiler prefix, use CROSS_PREFIX= 2# $ make CROSS_PREFIX=s390x-linux-gnu- 3 4.PHONY: all clean 5all: a-b-bios.h 6fwdir=../../../pc-bios/s390-ccw 7 8CFLAGS+=-ffreestanding -fno-delete-null-pointer-checks -fPIE -Os \ 9 -msoft-float -march=z900 -fno-asynchronous-unwind-tables -Wl,-pie \ 10 -Wl,--build-id=none -nostdlib 11 12a-b-bios.h: s390x.elf 13 echo "$$__note" > header.tmp 14 xxd -i $< | sed -e 's/.*int.*//' >> header.tmp 15 mv header.tmp $@ 16 17# We use common-page-size=16 to avoid big padding in the ELF file 18s390x.elf: a-b-bios.c 19 $(CROSS_PREFIX)gcc $(CFLAGS) -I$(fwdir) $(fwdir)/start.S \ 20 $(fwdir)/sclp.c -Wl,-zcommon-page-size=16 -o $@ $< 21 $(CROSS_PREFIX)strip $@ 22 23clean: 24 @rm -rf *.elf *.o 25