[patch 6/6] Walnut zImage wrapper

[Josh Boyer]

On Mon, 24 Sep 2007 14:20:36 +0200
Wolfgang Grandegger <wg at grandegger.com> wrote:

> Josh Boyer wrote:
> > On Mon, 24 Sep 2007 09:49:33 +0200
> > Wolfgang Grandegger <wg at grandegger.com> wrote:
> >> The addition of treeboot-walnut.c breaks compilation of Linux-2.6 for 
> >> the lite5200 using the ppc_6xx toolchain of the ELDK 4.1:
> >>
> >>    MODPOST vmlinux.o
> >> WARNING: vmlinux.o(.text+0x14): Section mismatch: reference to 
> >> .init.text:prom_init (between '__start' and '__after_mmu_off')
> >> WARNING: vmlinux.o(.text+0x28): Section mismatch: reference to 
> >> .init.text:early_init (between '__start' and '__after_mmu_off')
> >> WARNING: vmlinux.o(.text+0x340c): Section mismatch: reference to 
> >> .init.text:machine_init (between 'start_here' and 'set_context')
> >> WARNING: vmlinux.o(.text+0x3414): Section mismatch: reference to 
> >> .init.text:MMU_init (between 'start_here' and 'set_context')
> >> WARNING: vmlinux.o(.text+0x343e): Section mismatch: reference to 
> >> .init.text:start_kernel (between 'start_here' and 'set_context')
> >> WARNING: vmlinux.o(.text+0x3442): Section mismatch: reference to 
> >> .init.text:start_kernel (between 'start_here' and 'set_context')
> >>    GEN     .version
> >>    CHK     include/linux/compile.h
> >>    UPD     include/linux/compile.h
> >>    CC      init/version.o
> >>    LD      init/built-in.o
> >>    LD      vmlinux
> >>    SYSMAP  System.map
> >>    BOOTAS  arch/powerpc/boot/string.o
> >>    BOOTAS  arch/powerpc/boot/crt0.o
> >>    BOOTCC  arch/powerpc/boot/stdio.o
> >>    BOOTCC  arch/powerpc/boot/main.o
> >>    BOOTCC  arch/powerpc/boot/flatdevtree.o
> >>    BOOTCC  arch/powerpc/boot/flatdevtree_misc.o
> >>    BOOTCC  arch/powerpc/boot/ns16550.o
> >>    BOOTCC  arch/powerpc/boot/serial.o
> >>    BOOTCC  arch/powerpc/boot/simple_alloc.o
> >>    BOOTAS  arch/powerpc/boot/div64.o
> >>    BOOTAS  arch/powerpc/boot/util.o
> >>    BOOTCC  arch/powerpc/boot/gunzip_util.o
> >>    BOOTCC  arch/powerpc/boot/elf_util.o
> >>    BOOTCC  arch/powerpc/boot/inffast.o
> >>    BOOTCC  arch/powerpc/boot/inflate.o
> >>    BOOTCC  arch/powerpc/boot/inftrees.o
> >>    BOOTCC  arch/powerpc/boot/devtree.o
> >>    BOOTCC  arch/powerpc/boot/oflib.o
> >>    BOOTCC  arch/powerpc/boot/ofconsole.o
> >>    BOOTCC  arch/powerpc/boot/4xx.o
> >>    BOOTCC  arch/powerpc/boot/ebony.o
> >>    BOOTCC  arch/powerpc/boot/mv64x60.o
> >>    BOOTCC  arch/powerpc/boot/mpsc.o
> >>    BOOTCC  arch/powerpc/boot/mv64x60_i2c.o
> >>    BOOTCC  arch/powerpc/boot/cuboot.o
> >>    BOOTCC  arch/powerpc/boot/bamboo.o
> >>    BOOTAR  arch/powerpc/boot/wrapper.a
> >>    BOOTCC  arch/powerpc/boot/of.o
> >>    BOOTCC  arch/powerpc/boot/cuboot-83xx.o
> >>    BOOTCC  arch/powerpc/boot/cuboot-85xx.o
> >>    BOOTCC  arch/powerpc/boot/holly.o
> >>    BOOTCC  arch/powerpc/boot/cuboot-ebony.o
> >>    BOOTCC  arch/powerpc/boot/treeboot-ebony.o
> >>    BOOTCC  arch/powerpc/boot/prpmc2800.o
> >>    BOOTAS  arch/powerpc/boot/ps3-head.o
> >>    BOOTAS  arch/powerpc/boot/ps3-hvcall.o
> >>    BOOTCC  arch/powerpc/boot/ps3.o
> >>    BOOTCC  arch/powerpc/boot/treeboot-bamboo.o
> >>    BOOTCC  arch/powerpc/boot/cuboot-sequoia.o
> >>    BOOTCC  arch/powerpc/boot/treeboot-walnut.o
> >> {standard input}: Assembler messages:
> >> {standard input}:184: Error: Unrecognized opcode: `mfdcr'
> >> {standard input}:185: Error: Unrecognized opcode: `mfdcr'
> >> {standard input}:186: Error: Unrecognized opcode: `mfdcr'
> >> {standard input}:217: Error: Unrecognized opcode: `mtdcr'
> >> make[1]: *** [arch/powerpc/boot/treeboot-walnut.o] Error 1
> >> make: *** [uImage] Error 2
> >>
> >> It looks like the ppc_6xx toolchain does not know the opcode above. I 
> >> wonder why files for other PowerPC sub-archs like 4xx are compiled with 
> >> the wrong compiler. Have I missed something?
> > 
> > No, you haven't missed anything.  I need a one line patch to fix it.
> > Could you try the patch below to make sure it works for you?
> 
> It works for me with one typo corrected (see below).

Ah, yes.  That's what I get for coding before coffee.

Thanks Wolfgang.

josh