[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [RFC] 64-bit boot protocol for Linux x86
|
From: |
Wei Zhang |
|
Subject: |
Re: [RFC] 64-bit boot protocol for Linux x86 |
|
Date: |
Sun, 22 May 2022 12:13:46 +0800 |
Sorry about having sent the message twice, please ignore the previous one.
Wei Zhang
On Sun, May 22, 2022 at 11:56 AM Wei Zhang <zhangweilst@126.com> wrote:
>
> Hi guys,
> If I understand the Linux boot correctly, GRUB 2 will drop Linux in a 32-bit
> protected mode,
> using the Linux 32-bit boot protocol.
> Since Linux has a 64-bit boot protocol, I'm thinking that we can make use of
> that. On x86_64
> target, if we can make use of 64-bit boot protocol, we'll drop Linux in long
> mode directly, thus
> less code executed in the GRUB side, and less code in Linux side.
> Obviously it's cleaner to just use 32-bit protocol to boot both i386 and
> x86_64 kernel, but this
> will not add much complexity.
> Just new to this mailing list, am I missing anything?
>
> Wei Zhang
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> https://lists.gnu.org/mailman/listinfo/grub-devel