Gentoo Archives: gentoo-dev

From: Roy Bamford <neddyseagoon@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: Killing UEFI Secure Boot
Date: Thu, 21 Jun 2012 18:57:06
Message-Id: 1340304968.2730.0@NeddySeagoon
In Reply to: Re: [gentoo-dev] Re: Killing UEFI Secure Boot by Richard Yao
On 2012.06.21 16:05, Richard Yao wrote:
> On 06/21/2012 11:00 AM, Ian Stakenvicius wrote: > >> A firmware replacement for the BIOS does not need to worry about > >> floppy drives, hard drives, optical drives, usb devices, isa > >> devices, pci devices and pci express drives, etcetera, because > >> those live on buses, which the kernel can detect. It would need > >> a device tree to inform the kernel of what buses are available, > >> but that would be specific to a given board, rather than what is > >> attached to it. If the end user makes hardware changes, the > >> kernel should be able to handle that, with the exception of > >> changes involving RAM, which I believe go into the device tree. > > > > I take it the above statement is based on the kernel being > > directly placed within the BIOS/firmware/nvram on the board, such > > that you couldn't boot anything else but that kernel? > > That is correct. >
[snip] So when you build a dud kernel and flash your BIOS with it, and we all build the odd dud, your motherboard is bricked. Now what? Get out your JTAG adaptor and another PC I suppose. -- Regards, Roy Bamford (Neddyseagoon) a member of elections gentoo-ops forum-mods trustees

Replies

Subject Author
Re: [gentoo-dev] Re: Killing UEFI Secure Boot Peter Stuge <peter@×××××.se>