Kexec on arm64

[Geoff Levand]

Hi Arun,

On Wed, 2014-07-09 at 15:43 +0530, Arun Chandran wrote:
> and got this error
> 
> elf-arm64.o kexec/arch/arm64/kexec-elf-arm64.c
> kexec/arch/arm64/kexec-elf-arm64.c: In function ‘elf_arm64_probe’:
> kexec/arch/arm64/kexec-elf-arm64.c:32:24: error: ‘EM_AARCH64’
> undeclared (first use in this function)
>   if (ehdr.e_machine != EM_AARCH64) {
>                         ^
> kexec/arch/arm64/kexec-elf-arm64.c:32:24: note: each undeclared
> identifier is reported only once for each function it appears in
> make: *** [kexec/arch/arm64/kexec-elf-arm64.o] Error 1
> 
> Am I missing something here?

Your toolchain is old, or built incorrectly.  Try to upgrade
it.  You need headers that define EM_AARCH64.

As a work-around, maybe you can do something like:

  make CFLAGS=-DEM_AARCH64=183'

-Geoff