On Fri, Feb 26, 2016 at 06:08:45PM +0100, Laurent Vivier wrote:
> boot_rom will be always big endian (like SLOF is).
> Make the endianness of the test files configurable with
> arch_CFLAGS and arch_LDFLAGS.
>
> For the moment, this only works with big endian.
>
> Of course, once build on a little endian host, these binaries
> can be used on the little endian host to test the
> big endian mode of KVM.
>
> Signed-off-by: Laurent Vivier <lvivier@xxxxxxxxxx>
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
> ---
> configure | 2 +-
> powerpc/Makefile.common | 13 ++++++-------
> powerpc/Makefile.ppc64 | 3 +++
> 3 files changed, 10 insertions(+), 8 deletions(-)
>
> diff --git a/configure b/configure
> index 7d5702e..a685cca 100755
> --- a/configure
> +++ b/configure
> @@ -7,7 +7,7 @@ ld=ld
> objcopy=objcopy
> objdump=objdump
> ar=ar
> -arch=`uname -m | sed -e s/i.86/i386/ | sed -e 's/arm.*/arm/'`
> +arch=`uname -m | sed -e 's/i.86/i386/;s/arm.*/arm/;s/ppc64.*/ppc64/'`
> host=$arch
> cross_prefix=
>
> diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common
> index cad728e..cc27ac8 100644
> --- a/powerpc/Makefile.common
> +++ b/powerpc/Makefile.common
> @@ -11,6 +11,7 @@ all: $(TEST_DIR)/boot_rom.bin test_cases
>
> ##################################################################
>
> +CFLAGS += $(arch_CFLAGS)
> CFLAGS += -std=gnu99
> CFLAGS += -ffreestanding
> CFLAGS += -Wextra
> @@ -30,13 +31,11 @@ cflatobjs += lib/powerpc/hcall.o
> cflatobjs += lib/powerpc/setup.o
> cflatobjs += lib/powerpc/rtas.o
>
> -libgcc := $(shell $(CC) $(machine) --print-libgcc-file-name)
> -
> -FLATLIBS = $(libcflat) $(LIBFDT_archive) $(libgcc)
> -%.elf: LDFLAGS = $(CFLAGS) -nostdlib -pie
> +FLATLIBS = $(libcflat) $(LIBFDT_archive)
> +%.elf: LDFLAGS = $(arch_LDFLAGS) -nostdlib -pie
> %.elf: %.o $(FLATLIBS) powerpc/flat.lds
> - $(CC) $(LDFLAGS) -o $@ \
> - -Wl,-T,powerpc/flat.lds,--build-id=none \
> + $(LD) $(LDFLAGS) -o $@ \
> + -T powerpc/flat.lds --build-id=none \
> $(filter %.o, $^) $(FLATLIBS)
> @echo -n Checking $@ for unsupported reloc types...
> @if $(OBJDUMP) -R $@ | grep R_ | grep -v R_PPC64_RELATIVE; then \
> @@ -50,7 +49,7 @@ $(TEST_DIR)/boot_rom.bin: $(TEST_DIR)/boot_rom.elf
> $(OBJCOPY) -O binary $^ >(cat - >>$@)
>
> $(TEST_DIR)/boot_rom.elf: $(TEST_DIR)/boot_rom.o
> - $(LD) -nostdlib -Ttext=0x100 --entry=start --build-id=none -o $@ $<
> + $(LD) -EB -nostdlib -Ttext=0x100 --entry=start --build-id=none -o $@ $<
>
> powerpc_clean: libfdt_clean asm_offsets_clean
> $(RM) $(TEST_DIR)/*.{o,elf} $(TEST_DIR)/boot_rom.bin \
> diff --git a/powerpc/Makefile.ppc64 b/powerpc/Makefile.ppc64
> index 899dd5e..1cf277e 100644
> --- a/powerpc/Makefile.ppc64
> +++ b/powerpc/Makefile.ppc64
> @@ -6,6 +6,9 @@
> bits = 64
> ldarch = elf64-powerpc
>
> +arch_CFLAGS = -mbig-endian
> +arch_LDFLAGS = -EB
> +
> cstart.o = $(TEST_DIR)/cstart64.o
> reloc.o = $(TEST_DIR)/reloc64.o
> cflatobjs += lib/ppc64/spinlock.o
> --
> 2.5.0
>
> --
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