mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-07-21 02:15:04 +00:00
5571dc824b
We can re-use the s390-ccw bios code to implement a small firmware for a s390x guest which prints out the "A" and "B" characters and modifies the memory, as required for the migration test. [quintela: Converted the compile script to Makefile rules] Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1539078677-25396-1-git-send-email-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Fixed up Makefile since the aarch patch sneaked in first
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
|