Re: [Qemu-devel] [PATCH 8/9] PPC: Add u-boot firmware for e500

[Alexander Graf <agraf@suse.de>]

On 16.05.14 15:11, Gerd Hoffmann wrote:
>    Hi,
>
>> +u-boot.e500:
>> +    # examples fail to honor cflags, just remove them
>> +    rm -rf u-boot/examples
>> +    sed -i 's/examples//g' u-boot/Makefile
>> +    # Make linker script biarch aware
>> +    sed -i 's/OUTPUT_ARCH(powerpc)/OUTPUT_ARCH(powerpc:common)/' \
>> +        u-boot/arch/powerpc/cpu/mpc85xx/u-boot.lds
> Hmm.  Mucking with the source tree like this will leave the u-boot git
> tree in a dirty state, which isn't exactly nice.  Fixable by sprinkling
> in a "git reset --hard", but that obviously has other downsides, such as
> seriously disturbing people trying to build a u-boot tree with local
> changes.
>
> Any chance to fix that without patching the source tree, by passing
> SUBDIRS="<list-dirs-without-examples>" to $(MAKE) for example?
> Or send patches to u-boot upstream to tackle this?
>
>> +    # Compile u-boot
>> +    $(MAKE) -C u-boot O=build.e500 qemu-ppce500_config
>> +    $(MAKE) -C u-boot CROSS_COMPILE=$(powerpc64_cross_prefix) \
>> +        O=build.e500 KCFLAGS=-m32 KAFLAGS=-m32 \
>> +        LDFLAGS=-melf32ppc KCPPFLAGS=-m32 V=1 u-boot.bin
>> +    strip u-boot/build.e500/u-boot -o ../pc-bios/u-boot.e500
> $(powerpc64_cross_prefix)strip I guess ...

This is getting too messy. I guess we can live without supporting biarch 
compilers and just ask people to have a 32bit ppc compiler handy. Then 
things become a lot more sane.


Alex

diff --git a/roms/Makefile b/roms/Makefile
index 2721b02..610b534 100644
--- a/roms/Makefile
+++ b/roms/Makefile
@@ -31,6 +31,7 @@ find-cross-gcc = $(firstword $(wildcard $(patsubst 
%ld,%gcc,$(call find-cross-ld
  find-cross-prefix = $(subst gcc,,$(notdir $(call find-cross-gcc,$(1))))

  powerpc64_cross_prefix := $(call find-cross-prefix,powerpc64)
+powerpc_cross_prefix := $(call find-cross-prefix,powerpc)
  x86_64_cross_prefix := $(call find-cross-prefix,x86_64)

  #
@@ -55,6 +56,7 @@ default:
         @echo "  efirom         -- update nic roms (bios+efi, this needs"
         @echo "                    the EfiRom utility from edk2 / 
tianocore)"
         @echo "  slof           -- update slof.bin"
+       @echo "  u-boot.e500    -- update u-boot.e500"

  bios: build-seabios-config-seabios-128k build-seabios-config-seabios-256k
         cp seabios/builds/seabios-128k/bios.bin ../pc-bios/bios.bin
@@ -132,6 +134,12 @@ slof:
         $(MAKE) -C SLOF CROSS=$(powerpc64_cross_prefix) qemu
         cp SLOF/boot_rom.bin ../pc-bios/slof.bin

+u-boot.e500:
+       $(MAKE) -C u-boot O=build.e500 qemu-ppce500_config
+       $(MAKE) -C u-boot CROSS_COMPILE=$(powerpc_cross_prefix) \
+               O=build.e500
+       $(powerpc_cross_prefix)strip u-boot/build.e500/u-boot -o \
+               ../pc-bios/u-boot.e500

  clean:
         rm -rf seabios/.config seabios/out seabios/builds
@@ -141,3 +149,4 @@ clean:
         rm -f sgabios/.depend
         $(MAKE) -C ipxe/src veryclean
         $(MAKE) -C SLOF clean
+       rm -rf u-boot/build.e500