Re: [PATCH v3] powerpc/boot: Set LC_ALL=C in wrapper script

Segher Boessenkool
2021-10-26T16:05:12Z

On Tue, Oct 26, 2021 at 03:48:29PM +0200, Christophe Leroy wrote:
> While trying to build a simple Image for ACADIA platform, I got the
> following error:
>
> WRAP arch/powerpc/boot/simpleImage.acadia
> INFO: Uncompressed kernel (size 0x6ae7d0) overlaps the address of the wrapper(0x400000)
> INFO: Fixing the link_address of wrapper to (0x700000)
> powerpc64-linux-gnu-ld : mode d'émulation non reconnu : -T
> Émulations prises en charge : elf64ppc elf32ppc elf32ppclinux elf32ppcsim elf64lppc elf32lppc elf32lppclinux elf32lppcsim
> make[1]: *** [arch/powerpc/boot/Makefile:424 : arch/powerpc/boot/simpleImage.acadia] Erreur 1
> make: *** [arch/powerpc/Makefile:285 : simpleImage.acadia] Erreur 2
>
> Trying again with V=1 shows the following command
>
> powerpc64-linux-gnu-ld -m -T arch/powerpc/boot/zImage.lds -Ttext 0x700000 --no-dynamic-linker -o arch/powerpc/boot/simpleImage.acadia -Map wrapper.map arch/powerpc/boot/fixed-head.o arch/powerpc/boot/simpleboot.o ./zImage.3278022.o arch/powerpc/boot/wrapper.a
>
> The argument of '-m' is missing.
>
> This is due to the wrapper script calling 'objdump -p vmlinux' and
> looking for 'file format', whereas the output of objdump is:
>
> vmlinux: format de fichier elf32-powerpc
>
> En-tête de programme:
> LOAD off 0x00010000 vaddr 0xc0000000 paddr 0x00000000 align 2**16
> filesz 0x0069e1d4 memsz 0x006c128c flags rwx
> NOTE off 0x0064591c vaddr 0xc063591c paddr 0x0063591c align 2**2
> filesz 0x00000054 memsz 0x00000054 flags ---
>
> Add LC_ALL=C at the beginning of the wrapper script in order to get the
> output expected by the script:
>
> vmlinux: file format elf32-powerpc
>
> Program Header:
> LOAD off 0x00010000 vaddr 0xc0000000 paddr 0x00000000 align 2**16
> filesz 0x0069e1d4 memsz 0x006c128c flags rwx
> NOTE off 0x0064591c vaddr 0xc063591c paddr 0x0063591c align 2**2
> filesz 0x00000054 memsz 0x00000054 flags ---
>
> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>

Acked-by: Segher Boessenkool <segher@kernel.crashing.org>

Thanks,

Segher