Re: [PATCH]: Remove CONFIG_BUILD_ELF64 entirely

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On Sun, 25 Mar 2007 14:33:07 -0400, Kumba <kumba@xxxxxxxxxx> wrote:
> Actually, I just realized I didn't rehash my dhcpd, so it booted the wrong 
> kernel.  A kernel built with this patchset won't boot without the following 
> change in include/asm-mips/stackframe.h:
> 
> --- include/asm-mips/stackframe.h.orig	2007-03-25 14:22:04.000000000 -0400
> +++ include/asm-mips/stackframe.h	2007-03-25 14:22:21.000000000 -0400
> @@ -70,7 +70,7 @@
>   #else
>   		MFC0	k0, CP0_CONTEXT
>   #endif
> -#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
> +#if defined(CONFIG_32BIT) || !defined(KBUILD_64BIT_SYM32)
>   		lui	k1, %hi(kernelsp)
>   #else

It looks very strange.  "lui k1, %hi(kernelsp)" should be enough for
the -msym32 kernel.  What is a version of binutils and gcc you are using?

And could you show me disassembled list of handle_int (or some other
rountines using get_saved_sp) of failed kernel?

If you were using gcc 3.x, does this fix work for you?

#if defined(CONFIG_32BIT) || (defined(KBUILD_64BIT_SYM32) &&  __GNUC__ >= 4)
  		lui	k1, %hi(kernelsp)
#else
...


---
Atsushi Nemoto


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