<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:st1><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2900.2523" name=GENERATOR></HEAD>
<BODY>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>John,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>Normally you have to first open the device node (whose pci config space
you wish to read).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>That will give you a non-zero value in my-self, ie. an instance handle of
the opened node</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>will be created and assigned to my-self.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>Example on a SPARC system:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT size=2><FONT
face="Courier New">" </FONT><A><FONT
face="Courier New">/pci@1f,4000/network@2</FONT></A><FONT face="Courier New">"
begin-select-dev</FONT></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face="Courier New"
size=2>my-space " config-w@" $call-parent .</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>That should print out the contents of the register at offset 0 in config
space of the <A href="mailto:network@2"><FONT color=#000000>network@2</FONT></A>
node.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial
size=2>But most of the words in the example may not exist in the OpenBios
implementation.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006><FONT face=Arial size=2>I
have been wanting to try out OpenBIOS, but I have'nt been able to get to it
yet.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890412417-24082006>
<DIV class=Section1>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Arial">_____________<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">Äsif
Haswaréy<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">QLogic
Corporation<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><st1:Street w:st="on"><st1:address
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">FCode
Driver Development</SPAN></st1:address></st1:Street><SPAN
style="FONT-FAMILY: 'Courier New'; mso-bidi-font-family: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">Phone:
949.389.7607<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">
Fax: 949.389.6308</SPAN><SPAN
style="FONT-FAMILY: 'Courier New'; mso-bidi-font-family: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma"><A
href="mailto:asif.haswarey@qlogic.com">asif.haswarey@qlogic.com</A></SPAN><SPAN
style="FONT-FAMILY: 'Courier New'; mso-bidi-font-family: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma"><o:p> </o:p></SPAN></P></DIV></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> openbios-bounces@openbios.org
[mailto:openbios-bounces@openbios.org] <B>On Behalf Of </B>Fusco, John (GE
Healthcare)<BR><B>Sent:</B> Thursday, August 24, 2006 8:13 AM<BR><B>To:</B> Asif
Haswarey<BR><B>Cc:</B> openbios@openbios.org<BR><B>Subject:</B> Re: [OpenBIOS]
Basic Questions<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
color=#0000ff size=2>I have a console with an "ok" prompt that I boot with grub.
It's an Intel Westville II motherboard - dual Xeon with 7500
chipset.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
color=#0000ff size=2>Here is where I am stuck. The PCI commands that come with
openbios do not comply with the standard, so they are largely undocumented.
Looking at the source, I can muddle through although I'm new at Forth. Mabye you
can help me with the syntax.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
color=#0000ff size=2>Here is the output from lspci on Linux for
Westville:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Courier
size=2> $ lspci -n<BR> 00:00.0 0600:
8086:254c (rev 01)<BR></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
size=2>So bus 0 device 0, function 0 has a PCI device. If I read config word
zero, I expect something like 8086 or 254c, but what I get is always FFFF. Here
is the syntax I am using:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face="Courier New"
size=2>0 0 pci-c@ . ff</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face="Courier New"
size=2>0 0 pci-w@ . ffff</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face="Courier New"
size=2>0 0 pci-l@ . -1</FONT></SPAN></DIV>
<DIV dir=ltr align=left><FONT face="Courier New"><SPAN
class=097091814-24082006><FONT size=2><FONT
face=Arial></FONT> </DIV></FONT></SPAN></FONT>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
size=2>What am I doing wrong?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
size=2>Thanks,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
size=2>John</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=097091814-24082006></SPAN> </DIV><BR>
<BLOCKQUOTE dir=ltr
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Asif Haswarey
[mailto:asif.haswarey@qlogic.com] <BR><B>Sent:</B> Wednesday, August 23, 2006
5:24 PM<BR><B>To:</B> Fusco, John (GE Healthcare)<BR><B>Cc:</B>
openbios@openbios.org<BR><B>Subject:</B> RE: [OpenBIOS] Basic
Questions<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2>John,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2>I do not have an environment that you are persuing, ie.
Qemu.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2>So you will need to clarify a little
more.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2>Do you have a running OpenBIOS system such that you get
to the</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2>OpenFirmware console specifically at the "ok"
prompt?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=796552222-23082006><FONT face=Arial
color=#0000ff size=2>-Asif</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Fusco, John (GE Healthcare)
[mailto:John.Fusco@med.ge.com] <BR><B>Sent:</B> Wednesday, August 23, 2006
11:02 AM<BR><B>To:</B> Asif Haswarey<BR><B>Cc:</B>
openbios@openbios.org<BR><B>Subject:</B> RE: [OpenBIOS] Basic
Questions<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left><SPAN class=529020018-23082006><FONT face=Arial
color=#0000ff size=2>Yes, that's essentially what I want. The runiso
target in the makefile uses qemu. So that part was easy.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=529020018-23082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=529020018-23082006><FONT face=Arial
color=#0000ff size=2>Trying to decipher all the rest of it is where I'm
stuck.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=529020018-23082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=529020018-23082006><FONT face=Arial
color=#0000ff size=2>John</FONT></SPAN></DIV><BR>
<BLOCKQUOTE dir=ltr
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Asif Haswarey
[mailto:asif.haswarey@qlogic.com] <BR><B>Sent:</B> Wednesday, August 23,
2006 12:31 PM<BR><B>To:</B> Fusco, John (GE Healthcare)<BR><B>Subject:</B>
RE: [OpenBIOS] Basic Questions<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=937392817-23082006>John,</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=937392817-23082006></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=937392817-23082006>Exercising the PCI config space is probably what
you are looking to do.</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=937392817-23082006>Have you actually been able to install OpenBIOS in
your Qemu environment/platform?</SPAN></FONT></DIV>
<DIV class=Section1>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Arial">_____________<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">Äsif
Haswaréy<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">QLogic
Corporation<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><st1:Street w:st="on"><st1:address
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">FCode
Driver Development</SPAN></st1:address></st1:Street><SPAN
style="FONT-FAMILY: 'Courier New'; mso-bidi-font-family: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">Phone:
949.389.7607<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma">
Fax: 949.389.6308</SPAN><SPAN
style="FONT-FAMILY: 'Courier New'; mso-bidi-font-family: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma"><A
href="mailto:asif.haswarey@qlogic.com">asif.haswarey@qlogic.com</A></SPAN><SPAN
style="FONT-FAMILY: 'Courier New'; mso-bidi-font-family: 'Times New Roman'"><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-bidi-font-family: Tahoma"><o:p> </o:p></SPAN></P></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> openbios-bounces@openbios.org
[mailto:openbios-bounces@openbios.org] <B>On Behalf Of </B>Fusco, John (GE
Healthcare)<BR><B>Sent:</B> Wednesday, August 23, 2006 10:12
AM<BR><B>To:</B> openbios@openbios.org<BR><B>Subject:</B> [OpenBIOS] Basic
Questions<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial size=2>I am
investigating the possiblity of using Openbios as a tool to verify our
custom PCI designs.</FONT></SPAN></DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial size=2>Specifically
what I am interested in is the ability to modify the PCI base address
registers and excercise the address decoders on the cards. What I'm after is
some basic PCI compliance testing that is hard to do with a full blown
OS.</FONT></SPAN></DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial size=2>My problem is
that I'm having a tough time with the learning curve of openbios. I'm having
trouble figuring out how to do some basic things, like query the BARs of a
PCI device. I'm using Qemu as a sandbox to play with openbios, but I can't
even figure out how print the value of configuration register zero of a
particular device!</FONT></SPAN></DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial size=2>Can anyone steer
me in the right direction? Am I wasting my time, or does it sound like
Openbios is going to do what I want.</FONT></SPAN></DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial
size=2>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=273160517-23082006><FONT face=Arial
size=2>John</FONT></SPAN></DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>