Subject: Re: mvme68k 4 meg bring up problem
To: Kristen A. McIntyre <kristen@zoomcom.com>
From: Steve Woodford <steve@mctavish.demon.co.uk>
List: port-mvme68k
Date: 06/08/1998 21:28:27
On Sat, 6 Jun 1998, Kristen A. McIntyre wrote:

> 	I've been trying to get the mvme68k port running on a mvme147-011
> board with only 4 megs.  I've only had partial success and I'm writing to

Sorry for taking a couple of days to reply, I was at Le Mans for the 24hr
race. ;-)

> partition, but that is where the fun stops, unfortunately.  The problem,
> I'm guessing is that this has not been tested on a 4 meg board in some time

More than likely the case.

> Exception: Long Bus Error
> Format/Vector=B008
> SSW=0715 Fault Addr.=00400000 Data In=00010020 Data Out=003F070C
> PC   =003F070A SR   =2704=TR:OFF_S._7_..Z..  VBR  =00000000
> USP  =00005830 MSP  =00005C18 ISP* =003EFF6C SFC  =0=F0
> CACR =0=D:...._I:...          CAAR =00000000 DFC  =0=F0
> D0   =00000BEA D1   =FFFFFFFF D2   =000021FC D3   =003F0000
> D4   =49504C2C D5   =00000000 D6   =00000000 D7   =00000000
> A0   =00400001 A1   =003F0008 A2   =000016E0 A3   =00000000
> A4   =00000000 A5   =00001540 A6   =003EFFC8 A7   =003EFF6C
> 003F070A 51C8FFFC           DBF.W       D0,$3F0708
> 147-Bug>

Yup, this is the loop which clears the BSS section. It seems like, as you
suspected, the boot-loader has grown somewhat.

Give me a couple of days and I'll send you a 'fixed' bootloader, with a
view to getting this into the trunk.

Cheers, Steve