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

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Date:	Tue, 27 Aug 2013 13:24:48 +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.



After check binutils-2.22 source code, can pass "-no-warn-mismatch" to
'ld' to avoid this error.

I will send patch v2 for it.

:-)

On 08/27/2013 10:14 AM, Chen Gang wrote:
> On 08/26/2013 06:46 PM, Chen Gang wrote:
>>
>> 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.
>>
> 
> Sorry, what I said above ("...have no right...") is not quite precise:
> 
>   it is only my current feelings, maybe misunderstand something.
>   also maybe can find better fixing ways more than "add or move files".
> 
> 
> Thanks.
> 
>> 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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