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Re: [PATCH] New x86_64 EFI patch

From: Bean
Subject: Re: [PATCH] New x86_64 EFI patch
Date: Sat, 12 Jul 2008 23:26:25 +0800

On Sat, Jul 12, 2008 at 11:16 PM, Bean <address@hidden> wrote:
>> Can you be more specific?  I thought grub was completely agnostic about Linux
>> parameters.
> In the parameter passed to linux kernel, there are fields for video
> adapter information, for example, frame buffer address, line length,
> etc. Normally, we don't have to worry about it, but in the case of
> efi, we must fill it in, as kernel can't detect the information
> properly.


BTW, it's the real mode part of Linux kernel that takes care of such
job. It gathers video information by querying vbe. But in efi, we skip
the real mode part and jump to protected mode directly, so we must
also provide kernel with similar information that would be setup by
the real mode part.


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