25 lines
703 B
Makefile
25 lines
703 B
Makefile
|
# To specify cross compiler prefix, use CROSS_PREFIX=
|
||
|
|
# $ make CROSS_PREFIX=s390x-linux-gnu-
|
||
|
|
|
||
|
|
.PHONY: all clean
|
||
|
|
all: a-b-bios.h
|
||
|
|
fwdir=../../../pc-bios/s390-ccw
|
||
|
|
|
||
|
|
CFLAGS+=-ffreestanding -fno-delete-null-pointer-checks -fPIE -Os \
|
||
|
|
-msoft-float -march=z900 -fno-asynchronous-unwind-tables -Wl,-pie \
|
||
|
|
-Wl,--build-id=none -nostdlib
|
||
|
|
|
||
|
|
a-b-bios.h: s390x.elf
|
||
|
|
echo "$$__note" > header.tmp
|
||
|
|
xxd -i $< | sed -e 's/.*int.*//' >> header.tmp
|
||
|
|
mv header.tmp $@
|
||
|
|
|
||
|
|
# We use common-page-size=16 to avoid big padding in the ELF file
|
||
|
|
s390x.elf: a-b-bios.c
|
||
|
|
$(CROSS_PREFIX)gcc $(CFLAGS) -I$(fwdir) $(fwdir)/start.S \
|
||
|
|
$(fwdir)/sclp.c -Wl,-zcommon-page-size=16 -o $@ $<
|
||
|
|
$(CROSS_PREFIX)strip $@
|
||
|
|
|
||
|
|
clean:
|
||
|
|
@rm -rf *.elf *.o
|