coreboot January 2005

coreboot@coreboot.org

43 participants
155 discussions

Re: FW: Attic gone?
by Ken Fuchs 06 Jan '05

06 Jan '05

>"Ronald G. Minnich" writes: >> bitkeeper anyone? I'm using it for a lot of projects and going back to >> sourceforge all the time is getting annoying. >If we made regular releases bitkeeper might be an option. >As it is I have extreme problems with their free license. I would suggest using Subversion. Sincerely, Ken Fuchs <kfuchs(a)winternet.com>

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RE: Directory structure for x86emu
by YhLu 06 Jan '05

06 Jan '05

Also it should be controlled by some CONFIG_X86EMU....in case it is not needed by some configuration. And if CONFIG_CONSOLE_VGA is enabled, it should be automatically enabled YH -----Original Message----- From: ebiederman(a)lnxi.com [mailto:ebiederman@lnxi.com] Sent: Thursday, January 06, 2005 6:31 PM To: Li-Ta Lo Cc: LinuxBIOS Subject: Re: Directory structure for x86emu Li-Ta Lo <ollie(a)lanl.gov> writes: > Hello, > > It turns out that the VGABIOS support can be made pretty generic > for all kinds of PCI expansion ROM. So I have the emulator the > .init method of default_pci_ops_dev. I am going to add the following > directories, if there is no objection, I will commit it next week. Except for plug in video cards I don't think this is a direction we want to go in. So at least for now pleas don't make the emulator the default .init method. > src/include/x86emu -- public header file of x86emu > src/devices/pci_rom.c -- expansion ROM loading and execution > src/devices/emulator -- the emulator and supporting functions > src/devices/emulator/x86emu -- the emulator itself > src/devices/emulator/pcbios -- legacy PC BIOS handler for the emulator > src/devices/emulator/biosemu.c -- glue between pci_rom.c and the > > emulator > > Any comments ? Your structure looks fairly sane. Eric _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

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Attic gone?
by Stefan Reinauer 06 Jan '05

06 Jan '05

Hi, I want to look at some old files I checked into LinuxBIOS CVS a looong time ago, implementing LDTSTOP_L. But SF's ViewCVS does not show the Attic anymore.. is there a trick to get them? Stefan

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RE: VGABIOS is working under LinuxBIOS
by YhLu 05 Jan '05

05 Jan '05

After all devices initialized, call do_vgabios? YH -----Original Message----- From: Li-Ta Lo [mailto:ollie@lanl.gov] Sent: Wednesday, January 05, 2005 3:41 PM To: LinuxBIOS; ron minnich Cc: Greg Watson; Stefan Reinauer Subject: VGABIOS is working under LinuxBIOS Ron, I just got the vgabios emulation working in the LinuxBIOS. The VGA card is complete inited before the kernel is loaded. Now I have vga console just like normal bios system. I will try the reduced x86emu and see if it works too. Ollie _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

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Little Tiny LinuxBIOS
by Joshua Wise 05 Jan '05

05 Jan '05

Hi all, Okay, so I just got my grubby paws on an HP tablet - a tc1100, to be exact. Here are the relevant bits from lspci: 0000:00:01.0 PCI bridge: Intel Corp. 82855PM Processor to AGP Controller (rev 03) 0000:00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01) 0000:02:07.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01) I'd like to lop out the BIOS time of booting on here. I know that it's possible - they have their QuickLook deal (MS Outlook synchronization in BIOS - really boots NetBSD from a SD card) that brings the system up Way Fast(tm). I'm thinking that this machine is probably a decent target for LinuxBIOSing, for a few reasons. 1) It has a bootblock to protect me from myself. 2) It already runs linux fairly well. 3) I have one. My goal is to do this without blowing away the BIOS to the point of cracking the case open and fixing it. (otherwise, this project'll have to wait until it's out of warranty...) Has anyone pulled off such a feat? joshua

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VGABIOS is working under LinuxBIOS
by Li-Ta Lo 05 Jan '05

05 Jan '05

Ron, I just got the vgabios emulation working in the LinuxBIOS. The VGA card is complete inited before the kernel is loaded. Now I have vga console just like normal bios system. I will try the reduced x86emu and see if it works too. Ollie

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add NC support to spare mtrrs for 64G memory
by YhLu 05 Jan '05

05 Jan '05

Eric, Please refer to cpu/x86/mtrr/mtrr.c add NC support to spare mtrrs for 64G memory Can you separate the var setup and FIXed mtrr setup? otherwise fixed mtrr setup will be setup twice .... YH

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RE: VGABIOS is working under LinuxBIOS
by YhLu 05 Jan '05

05 Jan '05

The LinuxBIOS need to add CONFIG_DIRECT_VGA to use vga console driver..... Etherboot has that CONFIG_DIRECT_VGA ..... YH -----Original Message----- From: Li-Ta Lo [mailto:ollie@lanl.gov] Sent: Wednesday, January 05, 2005 8:39 PM To: YhLu Cc: LinuxBIOS; ron minnich; Greg Watson; Stefan Reinauer Subject: RE: VGABIOS is working under LinuxBIOS On Wed, 2005-01-05 at 21:43, YhLu wrote: > After all devices initialized, call do_vgabios? > No. The do_vgabios is depreciated and is removed from the CVS. It uses a real mode switch which is very difficult to to debug and not portable. The prefered way now is to use the emulator to execut the VBIOS. The emulator is acting as the .init method of a generic vga device driver. Ollie

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RE: VGABIOS is working under LinuxBIOS
by YhLu 05 Jan '05

05 Jan '05

Already has one CONFIG_CONSOLE_VGA option. YH -----Original Message----- From: YhLu Sent: Wednesday, January 05, 2005 8:44 PM To: 'Li-Ta Lo' Cc: LinuxBIOS; ron minnich; Greg Watson; Stefan Reinauer Subject: RE: VGABIOS is working under LinuxBIOS The LinuxBIOS need to add CONFIG_DIRECT_VGA to use vga console driver..... Etherboot has that CONFIG_DIRECT_VGA ..... YH -----Original Message----- From: Li-Ta Lo [mailto:ollie@lanl.gov] Sent: Wednesday, January 05, 2005 8:39 PM To: YhLu Cc: LinuxBIOS; ron minnich; Greg Watson; Stefan Reinauer Subject: RE: VGABIOS is working under LinuxBIOS On Wed, 2005-01-05 at 21:43, YhLu wrote: > After all devices initialized, call do_vgabios? > No. The do_vgabios is depreciated and is removed from the CVS. It uses a real mode switch which is very difficult to to debug and not portable. The prefered way now is to use the emulator to execut the VBIOS. The emulator is acting as the .init method of a generic vga device driver. Ollie

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RE: VGABIOS is working under LinuxBIOS
by YhLu 05 Jan '05

05 Jan '05

You need to extract the vga bios rom and put that on flash..... -----Original Message----- From: Ronald G. Minnich [mailto:rminnich@lanl.gov] Sent: Wednesday, January 05, 2005 8:40 PM To: Li-Ta Lo Cc: Adam Talbot; Richard Smith; LinuxBIOS Subject: Re: VGABIOS is working under LinuxBIOS On Wed, 5 Jan 2005, Li-Ta Lo wrote: > If it is done correctly (by me), you don't need a HOWTO. It work out of > the box like 'BIOS'. Ollie, that is true for AGP cards, but for the case of "integrated" vgabios in the one flash image we'll still need the step where we pull the VGABIOS out of the factory BIOS. ron _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

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coreboot January 2005