[RFC][POWERPC] bootwrapper: Add a firmware-independent simpleboot target.

[Grant Likely]

On 2/1/08, Grant Likely <grant.likely at secretlab.ca> wrote:
> From: Grant Likely <grant.likely at secretlab.ca>
>
> This target produces a flat binary rather than an ELF file,
> fixes the entry point at the beginning of the image, and takes
> a complete device tree with no fixups needed.
>
> Based on 'raw' target written by Scott Wood.
>
> Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
> ---
> diff --git a/arch/powerpc/boot/io.h b/arch/powerpc/boot/io.h
> index ccaedae..ec57ec9 100644
> --- a/arch/powerpc/boot/io.h
> +++ b/arch/powerpc/boot/io.h
> @@ -99,4 +99,11 @@ static inline void barrier(void)
>         asm volatile("" : : : "memory");
>  }
>
> +static inline void disable_irq(void)
> +{
> +       int dummy;
> +       asm volatile("mfmsr %0; rlwinm %0, %0, 0, ~(1<<15); mtmsr %0" :
> +                    "=r" (dummy) : : "memory");
> +}
> +
>  #endif /* _IO_H */

Oops, ignore this bit.  This is leftover cruft from the original
patch.  I've now removed it.

g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.