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Re: GCC and Modules

To: "H . J . Lu" <hjl@lucon.org>
Subject: Re: GCC and Modules
From: Marc Karasek <marc_karasek@ivivity.com>
Date: 24 Jul 2001 17:09:03 -0400
Cc: linux-mips@oss.sgi.com
In-reply-to: <20010724132534.A25416@lucon.org>
References: <25369470B6F0D41194820002B328BDD27D2E@ATLOPS> <20010724085544.A20610@lucon.org> <995995907.1331.5.camel@localhost.localdomain> <20010724132534.A25416@lucon.org>
Sender: owner-linux-mips@oss.sgi.com
 I will patch and give this a try...  prob will not be until Thursday or
Friday.. 

On 24 Jul 2001 13:25:34 -0700, H . J . Lu wrote:
> On Tue, Jul 24, 2001 at 01:31:41PM -0400, Marc Karasek wrote:
> > The way to see this bug is just try to compile the MIPS kernel (either
> > 2.4.1 or 2.4.3) as follows:
> > 
> > 1) make distclean
> > 2) copy linux/arch/mips/defconfig-malta linux/.config
> > 3) make oldconfig
> > 4) make menuconfig
> > 5) change the endianess from little to big
> > 6) make dep 
> > 7) make zImage 
> > 
> 
> That is a kernel bug. The code only works on littl endian by accident
> Here is a patch.
> 
> 
> H.J.
> --- arch/mips/mips-boards/generic/time.c.int64        Tue Jul 24 13:21:21 2001
> +++ arch/mips/mips-boards/generic/time.c      Tue Jul 24 13:22:02 2001
> @@ -275,7 +275,7 @@ void __init time_init(void)
>  
>  /* This is for machines which generate the exact clock. */
>  #define USECS_PER_JIFFY (1000000/HZ)
> -#define USECS_PER_JIFFY_FRAC (0x100000000*1000000/HZ&0xffffffff)
> +#define USECS_PER_JIFFY_FRAC ((long) (0x100000000*1000000/HZ&0xffffffff))
>  
>  /* Cycle counter value at the previous timer interrupt.. */
>  
--
/*************************
Marc Karasek
Sr. Firmware Engineer
iVivity Inc.
marc_karasek@ivivity.com
(770) 986-8925
(770) 986-8926 Fax
*************************/


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