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SubjectRe: sh kexec build error
On Mon, Jul 28, 2008 at 10:14:44PM +0900, Paul Mundt wrote:
> On Mon, Jul 28, 2008 at 04:06:13PM +0300, Adrian Bunk wrote:
> > Commit 3ab83521378268044a448113c6aa9a9e245f4d2f (kexec jump)
> > causes the following build error on sh:
> >
> > <-- snip -->
> >
> > ...
> > CC kernel/kexec.o
> > {standard input}: Assembler messages:
> > {standard input}:1518: Error: offset to unaligned destination
> > make[2]: *** [kernel/kexec.o] Error 1
> >
> > <-- snip -->
> >
> > If I understand the assembler correctly it fails at
> > include/asm-sh/kexec.h:59
> >
> Indeed. This should fix it:


I can confirm that your patch fixes the compilation.


> diff --git a/include/asm-sh/processor_32.h b/include/asm-sh/processor_32.h
> index c6583f2..0dadd75 100644
> --- a/include/asm-sh/processor_32.h
> +++ b/include/asm-sh/processor_32.h
> @@ -19,7 +19,7 @@
> * Default implementation of macro that returns current
> * instruction pointer ("program counter").
> */
> -#define current_text_addr() ({ void *pc; __asm__("mova 1f, %0\n1:":"=z" (pc)); pc; })
> +#define current_text_addr() ({ void *pc; __asm__("mova 1f, %0\n.align 2\n1:":"=z" (pc)); pc; })
>
> /* Core Processor Version Register */
> #define CCN_PVR 0xff000030

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed



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