Information about EFI.

Hi all,
I dont know whethere this is the correct place to ask this question or not but i couldnt get it anywhere else.

The question is about EFI bios32/ia64 emulator for 32 bit systems.

I want to write a exception handler for my application written in EFI. Right now i dont have access to 64 bit machine thats why i am trying it on 32 bit machine.

But i could nt get any information about how could i do it.

Any suggestions will be of great help.

thanx,
Manish.

Sapariya> Hi all, I dont know whethere this is the correct place to Sapariya> ask this question or not but i couldnt get it anywhere Sapariya> else.

Sapariya> The question is about EFI bios32/ia64 emulator for 32 bit Sapariya> systems.

Sapariya> I want to write a exception handler for my application Sapariya> written in EFI. Right now i dont have access to 64 bit Sapariya> machine thats why i am trying it on 32 bit machine.

Sapariya> But i could nt get any information about how could i do Sapariya> it.

Sapariya> Any suggestions will be of great help.

Intel has (had?) an EFI implementation for IA-32 machines. You put that on a floppy disk, boot the system with it, and you get an EFI prompt (nshell prompt, to be exact). From there you can launch your own EFI programs. The GNU EFI support has support for building IA-32 EFI applications, but it hasn't been tested in a while (not since I got IA-64 hw to play with, to be exact). However, provided you have a toolchain that builds valid IA-64 EFI applications, I think it's very likely that the IA-32 side will also work, so it may be worth a try.

Hope this helps,

	--david

Sapariya,

The IA-32 development environment that David is referring to is part of the sample implementation. You can download from the EFI web site:
http://developer.intel.com/technology/efi/

Yosi

-----Original Message-----
From: David Mosberger [mailto:[email protected]]
Sent: Tuesday, December 05, 2000 11:17 PM
To: Sapariya Manish.j
Cc: [email protected]
Subject: Re: [Linux-ia64] Information about EFI.

<[email protected]> said:

Sapariya> Hi all, I dont know whethere this is the correct place to Sapariya> ask this question or not but i couldnt get it anywhere Sapariya> else.

Sapariya> The question is about EFI bios32/ia64 emulator for 32 bit Sapariya> systems.

Sapariya> I want to write a exception handler for my application Sapariya> written in EFI. Right now i dont have access to 64 bit Sapariya> machine thats why i am trying it on 32 bit machine.

Sapariya> But i could nt get any information about how could i do Sapariya> it.

Sapariya> Any suggestions will be of great help.

Intel has (had?) an EFI implementation for IA-32 machines. You put that on a floppy disk, boot the system with it, and you get an EFI prompt (nshell prompt, to be exact). From there you can launch your own EFI programs. The GNU EFI support has support for building IA-32 EFI applications, but it hasn't been tested in a while (not since I got IA-64 hw to play with, to be exact). However, provided you have a toolchain that builds valid IA-64 EFI applications, I think it's very likely that the IA-32 side will also work, so it may be worth a try.

Hope this helps,

	--david

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