[PATCH v3 4/7] Update Elf-ppc to support crash kernel and misc fixes

[Simon Horman]

On Tue, Jul 20, 2010 at 11:43:01PM -0500, Matthew McClintock wrote:
> Use current command line if none given, specifically useful for
> when arguments are added causing the use of the current cmdline
> to not occur
> 
> We also try to load the dtb above the kernel, this is useful for
> relocatable kernels where they device tree needs to reside just
> above the kernel base address
> 
> Set the kernel entry address in the relocatable purgatory code
> so we jump to the correct start address if not the default. Useful
> for relocatable kernels
> 
> Signed-off-by: Matthew McClintock <msm at freescale.com>
> ---
>  kexec/arch/ppc/kexec-elf-ppc.c |   26 ++++++++++++++------------
>  1 files changed, 14 insertions(+), 12 deletions(-)
> 
> diff --git a/kexec/arch/ppc/kexec-elf-ppc.c b/kexec/arch/ppc/kexec-elf-ppc.c
> index ab2d343..87e6507 100644
> --- a/kexec/arch/ppc/kexec-elf-ppc.c
> +++ b/kexec/arch/ppc/kexec-elf-ppc.c
> @@ -182,6 +182,7 @@ int elf_ppc_load(int argc, char **argv,	const char *buf, off_t len,
>  	int target_is_gamecube = 0;
>  	unsigned int addr;
>  	unsigned long dtb_addr;
> +	unsigned long kernel_addr;
>  #endif
>  #define FIXUP_ENTRYS	(20)
>  	char *fixup_nodes[FIXUP_ENTRYS + 1];

I moved kernel_addr to outside the #ifdef GAME_CUBE