From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: [PATCH 1/2] qemu-kvm: extboot: Keep variables in RAM Date: Mon, 22 Feb 2010 11:03:45 +0100 Message-ID: <4B825681.50300@siemens.com> References: <4B7D6725.1090202@siemens.com> <4B8250F3.6050302@redhat.com> <4B825593.9090506@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm , Anthony Liguori To: Avi Kivity Return-path: Received: from goliath.siemens.de ([192.35.17.28]:18104 "EHLO goliath.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750820Ab0BVKEU (ORCPT ); Mon, 22 Feb 2010 05:04:20 -0500 In-Reply-To: <4B825593.9090506@siemens.com> Sender: kvm-owner@vger.kernel.org List-ID: Jan Kiszka wrote: > Avi Kivity wrote: >> On 02/18/2010 06:13 PM, Jan Kiszka wrote: >>> Instead of saving the old INT 0x13 and 0x19 handlers in ROM which fails >>> under QEMU as it enforces protection, keep them in spare vectors of the >>> interrupt table, namely INT 0x80 and 0x81. >>> >>> >> Applied both, thanks. >> >>> Don't forget to update extboot.bin after merging both patches. >>> >> We don't carry a precompiled binary (well, we have >> qemu/pc-bios/extboot.bin, but that's bogus and I've removed it). > > You do: > qemu-kvm/pc-bios/optionrom/extboot.bin That one doesn't exist in git in fact. > qemu-kvm/qemu/pc-bios/extboot.bin (what is that for?) > > And as I had to copy the built extboot.bin around to let it be > recognized when starting qemu-kvm from an out-of-tree build directory, I > guess that concept needs some cleanup/fixing. > Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux