[Top][All Lists]

[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 <> 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

reply via email to

[Prev in Thread] Current Thread [Next in Thread]