linux-kernel - Re: [PATCH] kernel: Assembly: need add prefix for h8300 architecture.

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Message-ID: <521B31F4.9090701@asianux.com>
Date:	Mon, 26 Aug 2013 18:46:12 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	James Hogan <james.hogan@...tec.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Takashi Iwai <tiwai@...e.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kernel: Assembly: need add prefix for h8300 architecture.


If this implementation is correct, the implementation still can be
improved (at least, it is not quite well to hard code the architecture
related code in "kernel/" and "usr/" sub-directory).

But it seems, I have no right to add or move files, so welcome any
members help do it.

And welcome any additional suggestions or completions.

Thanks.

On 08/26/2013 06:42 PM, Chen Gang wrote:
> Need add related prefix for h8300, or can not pass compiling by the
> latest linker.
> 
> The related error (allmodconfig for h8300):
> 
>   /usr/local/bin/h8300-gchen-elf-ld: h8300 architecture of input file `usr/initramfs_data.o' is incompatible with h8300h output
>   /usr/local/bin/h8300-gchen-elf-ld: h8300 architecture of input file `kernel/modsign_certificate.o' is incompatible with h8300h output
> 
> The cross-compiler's information:
> 
>   [root@...p122 linux-next]# /usr/local/bin/h8300-gchen-elf-ld -v
>   GNU ld (GNU Binutils) 2.22
>   [root@...p122 linux-next]# /usr/local/bin/h8300-gchen-elf-as -v
>   GNU assembler version 2.22 (h8300-gchen-elf) using BFD version (GNU Binutils) 2.22
>   
>   [root@...p122 linux-next]# /usr/local/bin/h8300-gchen-elf-gcc -v
>   Using built-in specs.
>   COLLECT_GCC=/usr/local/bin/h8300-gchen-elf-gcc
>   COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/h8300-gchen-elf/4.8.0/lto-wrapper
>   Target: h8300-gchen-elf
>   Configured with: ../gcc-4.8.0/configure --target=h8300-gchen-elf --without-header --disable-nls --enable-language=c --disable-threads --disable-shared --enable-werror=no
>   Thread model: single
>   gcc version 4.8.0 (GCC) 
> 
> 
> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> ---
>  kernel/modsign_certificate.S |    7 +++++++
>  usr/initramfs_data.S         |    7 +++++++
>  2 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/kernel/modsign_certificate.S b/kernel/modsign_certificate.S
> index 4a9a86d..d24acac 100644
> --- a/kernel/modsign_certificate.S
> +++ b/kernel/modsign_certificate.S
> @@ -1,5 +1,12 @@
>  #include <linux/export.h>
>  
> +#if defined(CONFIG_CPU_H8300H)
> +	.h8300h
> +#endif
> +#if defined(CONFIG_CPU_H8S)
> +	.h8300s
> +#endif
> +
>  #define GLOBAL(name)	\
>  	.globl VMLINUX_SYMBOL(name);	\
>  	VMLINUX_SYMBOL(name):
> diff --git a/usr/initramfs_data.S b/usr/initramfs_data.S
> index c14322d..6a6c106 100644
> --- a/usr/initramfs_data.S
> +++ b/usr/initramfs_data.S
> @@ -24,6 +24,13 @@
>  #include <linux/stringify.h>
>  #include <asm-generic/vmlinux.lds.h>
>  
> +#if defined(CONFIG_CPU_H8300H)
> +	.h8300h
> +#endif
> +#if defined(CONFIG_CPU_H8S)
> +	.h8300s
> +#endif
> +
>  .section .init.ramfs,"a"
>  __irf_start:
>  .incbin __stringify(INITRAMFS_IMAGE)
> 


-- 
Chen Gang
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