Re: [microblaze-uclinux] Block device driver

["Pavel Ivanchenko" <pi-home@xxxxxxx>]

Hello,
I resolve "divsi3_proc" error, when add "-mno-xl-soft-mul" key to Makefile.
But next I have "unresolved symbol _shift_temp_loc" :(

Pavel.

----- Original Message ----- 
From: "Pavel Ivanchenko" <pi-home@xxxxxxx>
To: <microblaze-uclinux@xxxxxxxxxxxxxx>
Sent: Friday, October 28, 2005 2:12 AM
Subject: Re: [microblaze-uclinux] Block device driver


> Hello John,
>
> Thanks for you cooperation.
> "Set version information" id off in my experiments.
> When I declare  "init", "clean" routines and "register_blkdev" - OK
> When I declare "block_device_operations " structure - OK
> When declare "blk_init_queue " - error "unresolved symbol divsi3_proc"
>
> Thank you,
> Pavel.
>
>
> ----- Original Message ----- 
> From: "John Williams" <jwilliams@xxxxxxxxxxxxxx>
> To: <microblaze-uclinux@xxxxxxxxxxxxxx>
> Sent: Thursday, October 27, 2005 10:44 AM
> Subject: Re: [microblaze-uclinux] Block device driver
>
>
> > Hi Pavel,
> >
> > When using loadable modules, make sure you disable module symbol 
> > versioning - under kernel config menu -> loadable module support -> Set 
> > version information (make sure it is OFF)
> >
> > Regards,
> >
> > John
> >
> > Pavel Ivanchenko wrote:
> > > Hello.
> > > I'm trying write driver to MMC card.
> > > Begin with examples from "Linux Device Drivers" book.
> > > It have block driver example "sbull - Simple Block Utility for Loading 
> > > Localities" (attach to mail).
> > > I creat next Make file to compile object file:
> > >
> > >     ROOTDIR=/usr/src/uClinux-dist
> > >     UCLINUX_BUILD_USER=1
> > >     include $(ROOTDIR)/.config
> > >     LIBCDIR = $(CONFIG_LIBCDIR)
> > >     include $(ROOTDIR)/config.arch
> > >     CFLAGS += -D__KERNEL__ -DMODULE -DLINUX sbull.o: sbull.c $(CC) 
> > > $(CFLAGS) -c sbull.c
> > >     clean:
> > >      rm -f *.o core
> > >      Some warning printing after compile, but object file create.
> > > I'm dowmload it to /var and try "insmod ./sbull.o"
> > > But return:
> > > Using ./sbull.o
> > > insmod: unresolved symbol divsi3_proc
> > > insmod: unresolved symbol mulsi3_proc
> > >                           Please prompt direction to resolve this.
> > > I think, I do not turn on some elements of kernel.
> > >  Thank, Pavel.
> >
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