Re: compiling kernel 2.6.13

[Thiemo Seufer <ths@networkno.de>]

Damian Dimmich wrote:
[snip]
> When linking .tmp_vmlinux1, KSEG1ADDR and KSEG1 where reported as undefined 
> and linking failed. 
>  LD      .tmp_vmlinux1
> arch/mips/sgi-ip22/built-in.o(.text+0x2854): In function `ip22_eisa_intr':
> : undefined reference to `KSEG1ADDR'
> arch/mips/sgi-ip22/built-in.o(.text+0x2864): In function `ip22_eisa_intr':
> : undefined reference to `KSEG1ADDR'
> arch/mips/sgi-ip22/built-in.o(.text+0x2870): In function `ip22_eisa_intr':
> : undefined reference to `KSEG1ADDR'
> arch/mips/sgi-ip22/built-in.o(.text+0x28ac): In function `ip22_eisa_intr':
> : undefined reference to `KSEG1ADDR'
> arch/mips/sgi-ip22/built-in.o(.text+0x28c0): In function `ip22_eisa_intr':
> : undefined reference to `KSEG1ADDR'
> arch/mips/sgi-ip22/built-in.o(.text+0x293c): more undefined references to 
> `KSEG1ADDR' follow
> make: *** [.tmp_vmlinux1] Error 1
> 
> 
> I fixed this by adding the lines:
> #define KSEG1ADDR(a)  (CPHYSADDR(a) | KSEG1)
> #define KSEG1     0xa0000000
> at the top of the file arch/mips/sgi-ip22/ip22-eisa.c
> These are copied from include/asm/addrspace.h
> 
> I found it quite strange that it only failed when linking the kernel and not 
> earlier.  The file asm/addrspace.h is included in ip22-eisa.c
> 
> eisa support is enabled and i'm compiling a 64 bit kernel.

You could try the patch in http://people.debian.org/~ths/foo/ip22-eisa.diff
which fixes that problem. I don't have the hardware to test it, and so far
nobody else cared to tell me if works.


Thiemo