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configure: enable cross compilation of vof 

While container-based cross compilers are not supported, this already
makes it possible to build vof on any machine that has an installation
of GCC and binutils for 32- or 64-bit PowerPC.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220517092616.1272238-16-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220527153603.887929-27-alex.bennee@linaro.org>
This commit is contained in:
Paolo Bonzini 2022-05-27 16:35:56 +01:00 committed by Alex Bennée
parent 33ab478742
commit d695918f7b
2 changed files with 19 additions and 8 deletions
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10
configure vendored
View File

@ -2213,6 +2213,7 @@ LINKS="Makefile"
LINKS="$LINKS tests/tcg/Makefile.target"
LINKS="$LINKS pc-bios/optionrom/Makefile"
LINKS="$LINKS pc-bios/s390-ccw/Makefile"
LINKS="$LINKS pc-bios/vof/Makefile"
LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
LINKS="$LINKS tests/avocado tests/data"
LINKS="$LINKS tests/qemu-iotests/check"
@ -2250,6 +2251,15 @@ if test -n "$target_cc" &&
fi
fi
probe_target_compilers ppc ppc64
if test -n "$target_cc" && test "$softmmu" = yes; then
roms="$roms vof"
config_mak=pc-bios/vof/config.mak
echo "# Automatically generated by configure - do not modify" > $config_mak
echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
write_target_makefile >> $config_mak
fi
# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
# (which is the lowest architecture level that Clang supports)
probe_target_compiler s390x

17
pc-bios/vof/Makefile
View File

@ -1,11 +1,10 @@
all: build-all
include config.mak
VPATH=$(SRC_DIR)
all: vof.bin
build-all: vof.bin
CROSS ?=
CC = $(CROSS)gcc
LD = $(CROSS)ld
OBJCOPY = $(CROSS)objcopy
CC ?= $(CROSS)gcc
LD ?= $(CROSS)ld
OBJCOPY ?= $(CROSS)objcopy
%.o: %.S
$(CC) -m32 -mbig-endian -mcpu=power4 -c -o $@ $<
@ -14,10 +13,12 @@ OBJCOPY = $(CROSS)objcopy
$(CC) -m32 -mbig-endian -mcpu=power4 -c -fno-stack-protector -o $@ $<
vof.elf: entry.o main.o ci.o bootmem.o libc.o
$(LD) -nostdlib -e_start -Tvof.lds -EB -o $@ $^
$(LD) -nostdlib -e_start -T$(SRC_DIR)/vof.lds -EB -o $@ $^
%.bin: %.elf
$(OBJCOPY) -O binary -j .text -j .data -j .toc -j .got2 $^ $@
clean:
rm -f *.o vof.bin vof.elf *~
.PHONY: all clean