[LinuxBIOS] Problem Using SimNow Simulator

Lu, Yinghai yinghai.lu at amd.com
Thu Jul 6 19:08:17 CEST 2006

I have tried LinuxBIOS with Serengeti_cheetah ( rev F Opteron) on
SimNow, and it works well.


I will try that with Serengeti_leopard later...





From: linuxbios-bounces at linuxbios.org
[mailto:linuxbios-bounces at linuxbios.org] On Behalf Of Dan Mezynski
Sent: Thursday, July 06, 2006 9:12 AM
To: linuxbios at linuxbios.org
Subject: [LinuxBIOS] Problem Using SimNow Simulator


I'm trying to get started with LinuxBios by using the AMD SimNow
simulator to run LinuxBios on a Serenade board. Once we have success
simulations, we will try it on real hardware.  The Serenade board is one
of the standard predefined boards that comes with the simulator. Once I
serenade.rom and reference this file as the rom device connected to the
8111(replacing the AMI BIOS file), I reboot but don't get too far into
the new
Linuxbios, I expected to see recognizable postcodes, such as 0x13 from
c_start.S then 0x80, 0x39, 0x40 etc from hardwaremain(), but port 80
only toggles
between 00 and 0x10. I try to single step from 0xfffffff0 (or
0xfffbfff0) but
dont see code that looks like c_start.S. Does something come before

I must have built serenade.rom improperly: I did the following,
buildtarget amd/serenade
doneloaded filo.elf
edited serenade/Config.lb to refer to the filo.elf as a payload

Any ideas would be appreciated.

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