From: Tom Weustink <freshy98@gmx.net>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Subject: Re: Re: SGI O2+ RM7000 set_uncached_handler error during kernel built
Date: Tue, 30 May 2006 17:08:47 +0200 [thread overview]
Message-ID: <20060530150847.102900@gmx.net> (raw)
In-Reply-To: <20060530145841.GA28223@linux-mips.org>
>
> > I finally got a round building a toolchain for creating kernels for my
> > SGI O2+ RM7000 machine.
> >
> > I did a ip32_defconfig and used menuconfig to edit some small options.
> > One was to set it too RM7000 obviously.
> >
> > When I build it, I get the following error:
> >
> > CC arch/mips/kernel/traps.o
> > arch/mips/kernel/traps.c: In function `set_uncached_handler':
> > arch/mips/kernel/traps.c:1360: error: `TO_PHYS_MASK' undeclared (first
> > use in this function)
> >
> > When I build it for R5000 (only that changed in menuconfig) the compile
> > runs without a problem.
> >
> > Checking arch/mips/kernel/traps.c:1360 shows that installs the uncached
> > CPU exception handler to UNCAC.
> > Now I know the RM7000 is kinda weird, but shouldn't it just work on it
> > since it does work on R5000 since it's MIPS64?
> >
> > I also heard from `Kumba that the kernel won't boot at all due to a bug
> > in IP32 so that it hangs extremely early, but having it to just built
> > would be nice for me atm.
>
> The build error part was trivial, fix below.
>
> Ralf
>
Great! I will try it out tonight.
I kind of had the idea something pointing to RM7000 was missing, obviously I had no idea where though.
Tom
> commit 948a25c865f2c486f3f2a6034c359c2104c777df
> Author: Ralf Baechle <ralf@linux-mips.org>
> Date: Tue May 30 15:55:05 2006 +0100
>
> [MIPS] Fix 64-bit build for RM7000.
>
> RM7000 has 40-bit virtual / 36-bit physical address space.
>
> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
>
> diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
> index 42520cc..1386af1 100644
> --- a/include/asm-mips/addrspace.h
> +++ b/include/asm-mips/addrspace.h
> @@ -129,6 +129,7 @@ #define PHYS_TO_XKPHYS(cm,a) (_LLCONST_
> #if defined (CONFIG_CPU_R4300) \
> || defined (CONFIG_CPU_R4X00) \
> || defined (CONFIG_CPU_R5000) \
> + || defined (CONFIG_CPU_RM7000) \
> || defined (CONFIG_CPU_NEVADA) \
> || defined (CONFIG_CPU_TX49XX) \
> || defined (CONFIG_CPU_MIPS64)
--
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prev parent reply other threads:[~2006-05-30 15:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-27 2:26 SGI O2+ RM7000 set_uncached_handler error during kernel built Tom Weustink
2006-05-30 14:58 ` Ralf Baechle
2006-05-30 15:08 ` Tom Weustink [this message]
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