On 11.01.2011, at 13:44, Dushyant Bansal wrote:

> On Monday 10 January 2011 05:59 PM, Alexander Graf wrote:
>> 
>> $ cp arch/powerpc/configs/pmac32_defconfig .config
>> $ make menuconfig ARCH=powerpc
>> 
>> seems to work. I'm not sure what default config is taken by default, but 
>> apparently one of the KVM constraints isn't fulfilled. Since you want to 
>> build a kernel for a pmac32 anyways, just take that config as the basis or 
>> use the one from a VM you already have working :).
>> 
>> 
>> Alex
>> 
> I tried to build kernel image for powerpc-750 
> u...@user:~/project/kvm$ cp arch/powerpc/configs/pmac32_defconfig .config 
> u...@user:~/project/kvm$ make ARCH=powerpc menuconfig 
> 
> [I selected "KVM support for PowerPC book3s_32 processors" under 
> virtualization menu. I have attached the final .config file] 
> 
> u...@user:~/project/kvm$ make ARCH=powerpc 
> CROSS_COMPILE=powerpc-750-linux-gnu- 
> [I get this error] 
>   CHK     include/linux/version.h 
>   CHK     include/generated/utsrelease.h 
>   CALL    scripts/checksyscalls.sh 
>   CHK     include/generated/compile.h 
>   CALL    arch/powerpc/kernel/systbl_chk.sh 
>   CALL    arch/powerpc/kernel/prom_init_check.sh 
>   AS      arch/powerpc/kvm/fpu.o 
> arch/powerpc/kvm/fpu.S: Assembler messages: 
> arch/powerpc/kvm/fpu.S:244: Error: Unrecognized opcode: `frsqrtes.' 
> arch/powerpc/kvm/fpu.S:250: Error: Unrecognized opcode: `fre.' 
> arch/powerpc/kvm/fpu.S:259: Error: Unrecognized opcode: `fcpsgn.' 
> make[1]: *** [arch/powerpc/kvm/fpu.o] Error 1 
> make: *** [arch/powerpc/kvm] Error 2

This means that your assembler doesn't understand some of the floating point 
instructions in the paired single emulation code. Since you don't need that 
code anyways, just comment them out.

> I was able to build kernel image for powerpc-44x 
> [http://www.thebitsource.com/programming-software-development/how-to-install-debian-linux-on-an-embedded-system/]
>  u...@user:~/project/kvm$
>  cp arch/powerpc/configs/sequoia_defconfig .config
> 
> u...@user:~/project/kvm$
>  make ARCH=powerpc menuconfig
> 
> u...@user:~/project/kvm$
>  make ARCH=powerpc CROSS_COMPILE=pwoerpc-405-linux-gnu- uImage
> 
> But, I am still stuck with installing this new kernel in debian-powerpc which 
> uses quik as the default bootloader. I tried a few things and posted the 
> errors on 
> http://unix.stackexchange.com/questions/5681/install-new-kernel-in-debian-powerpc

The 440 is a completely different system that can't even load quik.


Alex

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