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Re: Re: [Ltib] how to build a kernel module using ltib? (docu)


From: VinuxHuang
Subject: Re: Re: [Ltib] how to build a kernel module using ltib? (docu)
Date: Wed, 10 Jan 2007 17:36:46 +0800

Hello,Stuart
    I have tried to build a kernel mode with Ltib, but I always failed for it couldn't  build the correct format mod.
I get the error messages as follows:
powerpc-linux-ld: unrecognised emulation mode: elf_i386
Supported emulations: elf32ppclinux elf32ppc elf32ppcsim 
    Maybe I write a wrong Makefile.My Makefile is like that:
obj-m += jc.o
KernDir =  /home/vince/ltib-mpc8349emds-20060414/rpm/BUILD/linux-2.6.10
SubDir = $(PWD)
deflt:
 $(MAKE) modules -C $(KernDir) M=$(SubDir)
clean:
 @rm -f *.o;rm -f *.ko;rm -f *.mod.c
    Would you please give me some advice about how to write a correct Makefile to build a kernel mode for ppc platform.
Thanks very much,
VinuxHuang
 

VinuxHuang
2007-01-10

发件人: Stuart Hughes
发送时间: 2007-01-09 18:08:36
收件人: 黄荣坚
抄送: ltib
主题: Re: [Ltib] how to build a kernel module using ltib? (docu)
 
Hi VinuxHuang,
 
As far as adding your own additional modules goes, this can be done
inside or outside of ltib.
 
If you don't want to integrate into LTIB, simply build your module
outside LTIB and then make a directory:
config/platform/ <target >/merge/lib/modules/ <version >/misc/
and then copy your module there.  You then have to manually load this
(or put into rc.local) at boot up.
 
If you want to integrate with LTIB, you'll need to write a spec file.
There are some hints in the FAQ at:
http://www.bitshrine.org/autodocs/LtibFaq.html
It's purely another package.  The only thing you'll need to remember is
to make sure that you leave the kernel sources unpacked when you build.
You can do this by adding a dependency in config/userspace/packages.lkc
or more simply by clicking the option: 
[x] Leave the sources after building 
When running './ltib --configure'
 
If you want to change the kernel configuration, take a look at this:
http://www.bitshrine.org/autodocs/LtibFaq.html#ref_24
 
Regards, Stuart
 
On Tue, 2007-01-09 at 11:31 +0800, 黄荣坚 wrote:
> Hello,all
>     I'm a novice of ltib,and I want to build and deploy a kernel
> module for the target linux running on the board.Though I have read
> the LtibFAQ document,there seem to be not enough information for me to
> do this. So I hope I can get some help here about how I can build and
> deploy a kernel module with Ltib.
>     Besides, I want to build a kernel which supports usb gadget mode.
> But when I use command: ./ltib -m config to configure the kernel ,I
> just can find the option
> in the configuration menu. How can I add the usb gadget support
> (file_storage etc.) to the configuration system? Would  you please
> give me some advice about this?
>     Thanks,
>     VinuxHuang
>  
> ______________________________________________________________________
 
 
 
 
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