Re: [Gc-linux-devel] Merging CVS with Kernel source

[Mike G. <eb_...@sb...>]

Great. I'll confirm it as soon as I get YDL back on my Mac...or compile 
the kernel from Mac OS X. Either way, I'll let you know ASAP.

- Mike Goggin

On Jul 20, 2004, at 6:32 PM, Arthur Othieno wrote:

> On Sat, Jul 17, 2004 at 10:36:40PM -0500, Mike Goggin wrote:
>> I downloaded the 2.6.7 source, and got it patched to support the GC.
>> make vmlinux compiles fine. But make zImage.initrd gives me the
>> following error:
>>
>> [tosk@cavalier ~/linux-2.6.7]$ make zImage.initrd
>> make[1]: `arch/ppc/kernel/asm-offsets.s' is up to date.
>>  CHK     include/linux/compile.h
>>  SKIPPED include/linux/compile.h
>>  AS      arch/ppc/boot/simple/head.o
>>  AS      arch/ppc/boot/simple/relocate.o
>>  CC      arch/ppc/boot/simple/misc-embedded.o
>> arch/ppc/boot/simple/misc-embedded.c: In function `load_kernel':
>> arch/ppc/boot/simple/misc-embedded.c:80: warning: unused variable `ch'
>> arch/ppc/boot/simple/misc-embedded.c:81: warning: unused variable 
>> `timer'
>>  CC      arch/ppc/boot/simple/embed_config.o
>> arch/ppc/boot/simple/embed_config.c:45: warning: `def_enet_addr' 
>> defined
>> but not used
>> objcopy -O elf32-powerpc \
>>        --add-section=.ramdisk=arch/ppc/boot/images/ramdisk.image.gz \
>>        --set-section-flags=.ramdisk=contents,alloc,load,readonly,data 
>> \
>>        --add-section=.image=arch/ppc/boot/images/vmlinux.gz \
>>        --set-section-flags=.image=contents,alloc,load,readonly,data \
>>        arch/ppc/boot/simple/dummy.o arch/ppc/boot/simple/image.o
>> ld -T /home/tosk/linux-2.6.7/arch/ppc/boot/ld.script -Ttext 0x00800000
>> -Bstatic
>> -o arch/ppc/boot/simple/zvmlinux.initrd arch/ppc/boot/simple/head.o
>> arch/ppc/boot/simple/relocate.o arch/ppc/boot/simple/misc-embedded.o
>> arch/ppc/boot/simple/embed_config.o arch/ppc/boot/simple/image.o
>> arch/ppc/boot/common/lib.a arch/ppc/boot/lib/lib.a
>> objcopy -O elf32-powerpc arch/ppc/boot/simple/zvmlinux.initrd
>> arch/ppc/boot/simple/zvmlinux.initrd --change-addresses=-0x80000000 -R
>> .comment -R .stab \
>>        -R .stabstr -R .sysmap
>> objcopy: --change-addresses: bad number: -0x80000000
>> make[2]: *** [arch/ppc/boot/simple/zvmlinux.initrd] Error 1
>> make[1]: *** [simple] Error 2
>> make: *** [zImage.initrd] Error 2
>>
>> Did I do something wrong?
>
> No. The -0x80000000 is not a valid incremental value for 
> --change-addresses.
> Good catch. Funny how this doesn't barf on making zImage; the same 
> funkiness
> appears there as well.
>
> Looking at the build output, I assume that you're building on a PPC 
> host?
> What version of binutils (objcopy --version)? In any case, this patch,
> hackish at best, should fix things. Please confirm.
>
>
> Index: arch/ppc/boot/simple/Makefile
> ===================================================================
> RCS file: /cvsroot/gc-linux/linux/arch/ppc/boot/simple/Makefile,v
> retrieving revision 1.6
> diff -u -r1.6 Makefile
> --- arch/ppc/boot/simple/Makefile	16 Jun 2004 17:30:42 -0000	1.6
> +++ arch/ppc/boot/simple/Makefile	20 Jul 2004 23:16:25 -0000
> @@ -113,6 +113,10 @@
>    entrypoint-$(CONFIG_SPRUCE)		:= 0x00800000
>          misc-$(CONFIG_SPRUCE)		+= misc-spruce.o
>
> +      zimage-$(CONFIG_GAMECUBE)		:= zImage-DOL
> +zimageinitrd-$(CONFIG_GAMECUBE)		:= zImage.initrd-DOL
> +         end-$(CONFIG_GAMECUBE)		:= dol
> +
>  # SMP images should have a '.smp' suffix.
>           end-$(CONFIG_SMP)             := $(end-y).smp
>
> @@ -167,7 +171,7 @@
>  		--set-section-flags=.image=contents,alloc,load,readonly,data \
>  		$(obj)/dummy.o $(obj)/image.o
>  	$(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/image.o $(LIBS)
> -	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ --change-addresses=-0x80000000 -R 
> .comment -R .stab \
> +	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab \
>  		-R .stabstr -R .ramdisk -R .sysmap
>
>  $(obj)/zvmlinux.initrd: $(OBJS) $(LIBS) $(srctree)/$(boot)/ld.script \
> @@ -179,7 +183,7 @@
>  		--set-section-flags=.image=contents,alloc,load,readonly,data \
>  		$(obj)/dummy.o $(obj)/image.o
>  	$(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/image.o $(LIBS)
> -	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ --change-addresses=-0x80000000 -R 
> .comment -R .stab \
> +	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab \
>  		-R .stabstr -R .sysmap
>
>  # Sort-of dummy rules, that let us format the image we want.
> @@ -218,3 +222,14 @@
>  $(images)/zImage.initrd-PPLUS: $(obj)/zvmlinux.initrd $(MKPREP) 
> $(MKBUGBOOT)
>  	$(MKPREP) -pbp $(obj)/zvmlinux.initrd 
> $(images)/zImage.initrd.$(end-y)
>  	$(MKBUGBOOT) $(obj)/zvmlinux.initrd $(images)/zImage.initrd.bugboot
> +
> +#
> +# FIXME Must generate actual .dol's. All these targets do ATM is to 
> adjust
> +# VMA/LMA addresses of all sections in the respective images so we 
> can just
> +# feed the result into `doltool'. Ick.
> +#
> +$(images)/zImage-DOL: $(obj)/zvmlinux
> +	$(OBJCOPY) $(OBJCOPY_ARGS) $^ $^ --change-addresses=0x80000000
> +
> +$(images)/zImage.initrd-DOL: $(obj)/zvmlinux.initrd
> +	$(OBJCOPY) $(OBJCOPY_ARGS) $^ $^ --change-addresses=0x80000000
>
>
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