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genprotimg/boot: compile the bootloaders only if HOST_ARCH is s390x

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The genprotimg bootloaders are s390x specific, so only build them if the
`HOST_ARCH' is set to s390x.

On x86 one can cross-compile and install the bootloaders as follows:

$ make -C genprotimg/boot HOST_ARCH=s390x CROSS_COMPILE=s390x-linux-gnu-
$ make -C genprotimg/boot install HOST_ARCH=s390x CROSS_COMPILE=s390x-linux-gnu-

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2023-07-05 12:29:05 +00:00
committed by Steffen Eiden
parent 2fec7688b0
commit ed94cf9839
1 changed files with 18 additions and 5 deletions
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23
genprotimg/boot/Makefile
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@@ -1,6 +1,9 @@
# Common definitions
include ../../common.mak
FILES := stage3a.bin stage3b.bin stage3b_reloc.bin
ifeq ($(HOST_ARCH),s390x)
ZIPL_DIR := $(rootdir)/zipl
ZIPL_BOOT_DIR := $(ZIPL_DIR)/boot
PKGDATADIR := $(DESTDIR)$(TOOLS_DATADIR)/genprotimg
@@ -19,8 +22,6 @@ ALL_CFLAGS := $(NO_PIE_CFLAGS) -Os -g \
-Wall -Wformat-security -Wextra \
-Wno-array-bounds
FILES := stage3a.bin stage3b.bin stage3b_reloc.bin
ZIPL_SRCS_C := libc.c ebcdic.c ebcdic_conv.c sclp.c
ZIPL_SRCS_ASM := entry.S
@@ -28,9 +29,6 @@ ZIPL_OBJS_C := $(ZIPL_SRCS_C:%.c=%.o)
ZIPL_OBJS_ASM := $(ZIPL_SRCS_ASM:%.S=%.o)
ZIPL_OBJS := $(ZIPL_OBJS_C) $(ZIPL_OBJS_ASM)
all: $(FILES)
# Prevent make from using some default rules...
%: %.S
@@ -86,6 +84,21 @@ install: stage3a.bin stage3b_reloc.bin
$(INSTALL) -g $(GROUP) -o $(OWNER) -m 644 stage3a.bin "$(PKGDATADIR)"
$(INSTALL) -g $(GROUP) -o $(OWNER) -m 644 stage3b_reloc.bin "$(PKGDATADIR)"
else
# Don't generate the dependency files (see `common.mak` for the
# `-include $(dependencies_c)` statement).
.PHONY: $(dependencies_c)
$(FILES):
echo " SKIP $@ due to HOST_ARCH != s390x"
install:
echo " SKIP Bootloader installation due to HOST_ARCH != s390x"
endif
.DEFAULT_GOAL := all
all: $(FILES)
clean:
rm -f *.o *.elf *.bin *.map .*.d *.lds