Ok. So I took a look at the code to figure out why the
last output that I see is Jumping to LinuxBIOS.
My assembly is weak so I'd appreciate corrections to
my interpretation of the asm below.
decompr_end_n2b:
movb $0x12, %al ; outb %al, $0x80
movl %esp, %ebp
mov
Is there an utility help to generate mptable.c?
I thought I saw someone saying so. Is it usable?
gin
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Does linux
care the PCI IRQ tables created by LinuxBios? I thought
it only look at the MP-table.
gin
On Mon, 10 Jan 2005, ramesh bios wrote:
Just wanted to report that your suggestion was
excellent. I'm now getting serial output saying
Jumping to LinuxBIOS. It took only a few minutes to
get this working so I was pleasantly surprised. :-)
Thanks!
it did not get near as far as it should
I think the RAM is misprogrammed.
You need to dump the registers (lspci -xxx -s 0:0.0) for the northbridge,
then dump them BEFORE jumping to linuxbios -- there are assembly functions
that will let you do that.
ron
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On Tue, 11 Jan 2005, Gin wrote:
Does linux care the PCI IRQ tables created by LinuxBios? I thought it
only look at the MP-table.
if it is not SMP, Linux will use the irq table. It is a good idea to have
a working irq table available.
ron
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On Mon, 2005-01-10 at 18:36, Li-Ta Lo wrote:
Hello,
I just committed the VGABIOS support. It works for some ATI and
Nvidia card. Currently it will try to POST any PCI card it can
find with PCI expansion ROM. I will add the #ifdef PCI_EXPANSION_ROM
or if (class == vga_class) later.
I
On Tue, 11 Jan 2005, Bari Ari wrote:
Odd how this is happening with Intel since they have an entire division
dedicated to embedded computing and Linux support yet they cripple open
source BIOS development.
See tianocore.org. Intel's goal with BIOS is to IMPROVE the ability of
vendors to
On Mon, 2005-01-10 at 15:27, YhLu wrote:
For dual core and lifting apic id, you can not just use apic id as node id.
And you have to use
Lapicid() 0xf
Or cupid to get it.
Regards
YH
It breaks Expansion ROM loading from PCI slot to the main memory.
The old code does not have this
I don't think it is caused by the change about nodeid.
In s2885, it only change lapicid() to lapicid() 0xf, and will not affect
non apic lifting problem.
What't the card that you are using on S2885?, and If I get time, I would try
that on s2885.
YH
-Original Message-
From: Li-Ta Lo
On Tue, 2005-01-11 at 10:38, YhLu wrote:
I don't think it is caused by the change about nodeid.
In s2885, it only change lapicid() to lapicid() 0xf, and will not affect
non apic lifting problem.
What't the card that you are using on S2885?, and If I get time, I would try
that on s2885.
Eric,
Why I got the overlaping IO resources in the 18:0 ?
PCI: 00:18.0 1ba - [0x00f400 - 0x00f5ff] prefmem node 0 link2
PCI: 00:18.0 1c2 - [0x001000 - 0x001fff] io node 0 link 2
PCI: 00:18.0 1d8 - [0x002000 - 0x001fff] io node 0 link 0
PCI: 00:18.0 1b0 - [0x00e000 -
Ollie,
I recall sth about mtrr setting, I wonder if I enable the NC could affect
your code. Please check cpu/x86/mtrr/mtrr.c about enable NC below 4G.
YH
-Original Message-
From: Li-Ta Lo [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 11, 2005 10:21 AM
To: LinuxBIOS; Eric Biederman
On Tue, 2005-01-11 at 11:56, YhLu wrote:
Ollie,
I recall sth about mtrr setting, I wonder if I enable the NC could affect
your code. Please check cpu/x86/mtrr/mtrr.c about enable NC below 4G.
I think there is some problem with the resource allocation. If the vga
card has PCI IO resource
On Tue, 2005-01-11 at 12:02, Li-Ta Lo wrote:
On Tue, 2005-01-11 at 11:56, YhLu wrote:
Ollie,
I recall sth about mtrr setting, I wonder if I enable the NC could affect
your code. Please check cpu/x86/mtrr/mtrr.c about enable NC below 4G.
I think there is some problem with the
Complie error
You missed sth?
Tue Jan 11 10:17:11 PST 2005
FAILED! Log excerpt:
/home/yhlu/xx/xx/freebios2/src/devices/emulator/biosemu.c: In function
`setup_system_bios':
/home/yhlu/xx/xx/freebios2/src/devices/emulator/biosemu.c:219: warning:
implicit declaration of function `memset'
As the Nvidia card it does
not have PCI IO resource so we got the 2 to 1 thing.
It mean it doesn't allocate resource to it. Limitstart
YH
-Original Message-
From: Li-Ta Lo [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 11, 2005 11:13 AM
To: YhLu
Cc: LinuxBIOS; Eric Biederman
On Tue, 11 Jan 2005, Ronald G. Minnich wrote:
That is an issue. AMD is very friendly, but some third parties (Nvidia,
ServerWorks) are very unfriendly. It remains to be seen whether the idea
of an open source BIOS is viable, in the face of such opposition from the
chipset vendors.
How
On Tue, 2005-01-11 at 12:37, YhLu wrote:
Complie error
You missed sth?
I don't think so.
Those function are not actually used. You can try to mark them.
Ollie
Tue Jan 11 10:17:11 PST 2005
FAILED! Log excerpt:
/home/yhlu/xx/xx/freebios2/src/devices/emulator/biosemu.c: In function
On Tue, 2005-01-11 at 12:39, YhLu wrote:
As the Nvidia card it does
not have PCI IO resource so we got the 2 to 1 thing.
It mean it doesn't allocate resource to it. Limitstart
But why it set the resource to the HW registers? Doesn't it cause
some ill side effect?
Ollie
Li-Ta Lo [EMAIL PROTECTED] writes:
Eric,
Why I got the overlaping IO resources in the 18:0 ?
PCI: 00:18.0 1ba - [0x00f400 - 0x00f5ff] prefmem node 0 link2
PCI: 00:18.0 1c2 - [0x001000 - 0x001fff] io node 0 link 2
PCI: 00:18.0 1d8 - [0x002000 - 0x001fff] io node 0
On Tue, 2005-01-11 at 13:16, YhLu wrote:
It works on S2895 + NV (Vendor 10de, Device 00fd) card.
You did a great job.
Please disable the printk_debug instruction biosemu.c.
YH
I am still debugging PCI cards. Once I have PCI cards working
I will disable these messages.
Ollie
Peter Karlsson wrote:
How 'friendly' is VIA?
I've found VIA to be great to work with if it is a volume project. VIA
also has their embedded chipsets (like the Twister) that they tend to be
easier to deal with on smaller run projects.
-Bari
___
Hello,
I just made PCI vga cards works too. The problem is if the PCI card
does not claim PCI IO resource, the bridge's IO enable bit in the
command register is not enabled. Even with the legacy forwarding
enabled in the bridge control, it still does not forward any
legacy vga io. So the
On Tue, 11 Jan 2005, Peter Karlsson wrote:
How 'friendly' is VIA?
At times they are very very helpful, and their docs can be used to build a
linuxbios.
ron
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Ollie, you did it!
Ollie just took a big stack of video cards, some AGP and some PCI, and
booted linuxbios one at a time and showed how each video card came up.
It's fantastic.
now, Stefan, time for openbios payload. Then we have a desktop PC that
prints an Open Boot prompt :-)
ron
On Tue, 2005-01-11 at 16:52, Ronald G. Minnich wrote:
Ollie, you did it!
We should thank SciTech for their wonderful emulator.
Ollie just took a big stack of video cards, some AGP and some PCI, and
booted linuxbios one at a time and showed how each video card came up.
It's fantastic.
The system failed when booting SMP linux kernel. It complains the IDE
lost interrupt. Things were working fine with the non-SMP linux kernel.
Has anyone seen it before?
Note that the SMP kernel image was stored in the IDE hard disk. So BIOS
was able to load the kernel to be executed. After Linux
Need some way to test if linuxbios is booting correctly. I am debugging and
I have reason to believe that my problem is the super io... Does any one
know how to get the pc speaker to beep in X second intervals, or some thing
that simple, power LED blink... I would like to set up a speaker beeper
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