[coreboot] The OS of open source solution

Stojsavljevic, Zoran zoran.stojsavljevic at intel.com
Thu Oct 17 09:38:46 CEST 2013

Hello Tank,

In regards what I said yesterday, here are some new facts I have learned in the meantime.

For Windows 7, it has two boot modes: legacy 32-bit boot mode, and UEFI 64-bit boot mode.  The former/legacy boot mode boots from any legacy BIOS (SeaBIOS, AMI, Intel, etc.), and the latter one requires few UEFI run-time services.   They say that Windows 8 only boots from UEFI, but it might be possible to boot with SeaBIOS using 32-bit Windows is becoming possible.  Run-time services will not disappear during or after boot, but all other boot firmware will.

I am using 64bit Win7 and Win8, and this is the reason why I am not able to boot, since both 64bit mode Win7 and Win8 require few run-time services (from the first paragraph), which DXE phase (absent in FSP) provides.

So, what I do suggest is to try with fsp (32bit) -> Coreboot (32bit) -> SeaBIOS (32bit) -> Win7 (32bit), in theory what I wrote here it should boot!

Tiano Core. The group doing this in INTEL is another galaxy, so I am not too much familiar with their work. As Tiano Core supposed to support EFI/UEFI interfaces, and certainly DXE phase, so it should seamlessly boot. PEI phase should provide linked list of HOB pointers (the head) to DXE (For PEI phase, the PEI service GetHobList() can be used to retrieve the pointer to the HOB list.  For the DXE phase, the HOB list pointer can be retrieved through the EFI System Table by looking up the HOB list GUID in the System Configuration Table. Since the System Configuration Table does not exist that the time the DXE Core is launched, the DXE Core uses a global variable from the DXE Core Entry Point Library to manage the pointer to the HOB list).

Best Regards,
Most of The Time you should be “intel inside” to be capable to think “out of the box”.

From: 汤科峰 [mailto:jstkf2012 at 126.com] 
Sent: Thursday, October 17, 2013 3:00 AM
To: Stojsavljevic, Zoran
Cc: Patrick Georgi (patrick at georgi-clan.de); David Hendricks (dhendrix at google.com); ron minnich; coreboot
Subject: Re:Re: [coreboot] The OS of open source solution

Hi all,
	Now I can install&boot OpenSuse with "coreboot(intel fsp)+seabios".
	For win7 & win8 ,I think that tianocore as payload is a better way. Intel Fsp provide HOB pointer,we maybe need to hand off this to DXE pharse and then do mainboard init .....

Hi Zoran,
	What do you think of this idea? 

At 2013-10-16 20:47:38,"Stojsavljevic, Zoran" <zoran.stojsavljevic at intel.com> wrote:
>Hello to everyone,
>On Monday I was racing with the time, so I just sent email to acknowledge that I was able to bring FSP concept to 3.0.13 kernel (and disappeared few minutes later). Day and a half I was busy with completely another job.
>First, I would like to thank to Patrick (Georgi) for unselfish help Patrick provided to me. Thank you, Patrick!
>Second, David, my answers are down below regarding Win7 and Win8. Today I have started testing more than kernel 3.0.13 (which I have adopted to Bare Metal OS, since I am embedded guy). I found that very few kernels so far are booting. But 3.0.13 without flaw, constantly coming up!
>I tried to do more impossible things, knowing that they will not work for now. These are to boot Win7 and Win8. I had Win7 HDD for IVB, and installed one HDD for Win8 using IVB CRB with EFI BIOS. Win8 seamlessly boots with IVB CRB with EFI BIOS. Knowing that Win7 requires EFI or UEFI BIOS (mandatory using EFI/UEFI BIOS drivers), I did not expect Win7 to boot. The pleasant surprise was that Win7 bootloader tried to boot Win7, concluded that Win7 is broken/damaged (NO EFI drivers), and safely redirected me back to Win7 bootloader VGA screen asking me for the options:
>	Launch Startup Repair (recommended)
>	Starts Windows Normally
>With Win8, I had different story in my mind. I assumed (exchanging some thoughts internally with some designers) that Win8 is "dual", so it'll go to discover EFI/UEFI, but if it fails, it has different mechanisms to boot without EFI/UEFI. I tried to boot 3 times. All three times the blue Win8 flag/logo appeared with the message: Preparing Automatic Repair. And froze.
>Log files attached for both cases.
>Any thoughts/ideas/theories?
>Thank you,
>Most of The Time you should be "intel inside" to be capable to think "out of the box".
>From: David Hendricks [mailto:david.hendricks at gmail.com>Sent: Monday, October 14, 2013 10:39 PM
>To: Stojsavljevic, Zoran
>Cc: ron minnich; jstkf2012 at 126.com; David Hendricks; coreboot
>Subject: Re: [coreboot] The OS of open source solution
>On Mon, Oct 14, 2013 at 6:48 AM, Stojsavljevic, Zoran <zoran.stojsavljevic at intel.com> wrote:
>Few minutes ago, I finally was able to do the impossible: To boot in this sequence: IVB FSP -> Coreboot -> SeaBIOS -> GRUB 0.97 (SuSE SLES 11 SP1) -> Linux 3.0.13 with Bare Metal capabilities.
>Do you have a copy of Windows 7 to try to install via CD-ROM? Maybe your method can help TankTang.
>Thank you for the great support!
>Most of The Time you should be "intel inside" to be capable to think "out of the box".
>-----Original Message-----
>From: ron minnich [mailto:rminnich at gmail.com]
>Sent: Wednesday, October 09, 2013 8:02 AM
>To: jstkf2012 at 126.com
>Cc: Stojsavljevic, Zoran; David Hendricks; coreboot
>Subject: Re: Re: [coreboot] The OS of open source solution
>well, we are all interested in how to incorporate fsp into coreboot.
>And you have an FSP binary. It seems to me we have a place to start.
>On Tue, Oct 8, 2013 at 10:02 PM, jstkf2012 at 126.com <jstkf2012 at 126.com> wrote:
>> Hi Ron,
>> I am sorry , I am just a freshman in CoreBoot.
>> Do you interest in how to incorporate the Fsp into Coreboot?But the
>> source code and the mechanism is not writed and created by myself.
>> Thanks,
>> Tank
>> From: ron minnich
>> Date: 2013-10-09 10:07
>> To: jstkf2012 at 126.com
>> CC: Stojsavljevic, Zoran; David Hendricks; coreboot
>> Subject: Re: Re: [coreboot] The OS of open source solution On Tue, Oct
>> 8, 2013 at 6:20 PM, jstkf2012 at 126.com <jstkf2012 at 126.com> wrote:
>>> Hi Ron
>>>      I doesn't not drop fsp in to replace the mrc binary.
>> We are very interested in what you are doing and if we can help in
>> some way, please let us know.
>> Thanks!
>> ron
>coreboot mailing list: coreboot at coreboot.org

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