Re: [Qemu-devel] [PATCH] Getting 32-bit Vista on KVM

[andrzej zaborowski]

Hi,

On 02/05/07, Nakajima, Jun <address@hidden> wrote:
> Now I realized that I needed to use 32-bit Linux to build the bios.bin
> (i.e. BIOS-bochs-latest) in bochs. As long as I used x86-64 Linux to
> build bios.bin, the resulting binary had a problem, as I reported
> previously.

A patch for this has been recently posted to Bochs-developers:
http://www.nabble.com/-PATCH--add--m32-flag-to-bios-Makefile.in-t3632406.html
(the official list archive doesn't seem to work at the moment)

> With this very simple patch, I was able to install and run 32-bit Vista
> on KVM (almost the latest tree) on the 64-bit host. Thanks Qing for
> debuging this. I believe this should work for Qemu as well.
>
> Jun
> ---
> Intel Open Source Technology Center
>
> Signed-off-by: Qing He <address@hidden>
> Signed-off-by: Jun Nakajima <address@hidden>
>
> Index: rombios32.c
> ===================================================================
> RCS file: /cvsroot/bochs/bochs/bios/rombios32.c,v
> retrieving revision 1.9
> diff -u -w -r1.9 rombios32.c
> --- rombios32.c 20 Feb 2007 09:36:55 -0000      1.9
> +++ rombios32.c 2 May 2007 06:07:31 -0000
> @@ -1191,7 +1191,7 @@
>  {
>      memcpy(h->signature, sig, 4);
>      h->length = cpu_to_le32(len);
> -    h->revision = 0;
> +    h->revision = 1;
>  #ifdef BX_QEMU
>      memcpy(h->oem_id, "QEMU  ", 6);
>      memcpy(h->oem_table_id, "QEMU", 4);