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Re: [Qemu-devel] Why is SeaBIOS used with -kernel?
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] Why is SeaBIOS used with -kernel? |
Date: |
Fri, 1 Apr 2016 11:17:33 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Fri, Apr 01, 2016 at 11:18:30AM +0200, Gerd Hoffmann wrote:
> Hi,
>
> > I wonder how we can make use of this in qemu and downstream distros?
> > Can we have a bios-min.bin which is used with -kernel boots?
>
> We already build two seabios roms: one full featued and one slightly
> stripped down to keep it below 128k, for backward compatibility with old
> machine types.
>
> Adding a third config for -kernel boot should be easy. For that use
> case we can probably also turn on seabios logging to the serial console
> and drop sgabios. We don't need input (no boot menu) and we also don't
> need to hook into int10 (no grub/ipxe using that for output).
SeaBIOS logging is slow (or more likely, serial output is slow).
And sgabios is useful for debugging.
Rich.
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- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, (continued)
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Vasiliy Tolstov, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Dr. David Alan Gilbert, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Gerd Hoffmann, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?,
Richard W.M. Jones <=
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Gerd Hoffmann, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin Wolf, 2016/04/05
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/05
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin Wolf, 2016/04/05
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/05
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin Wolf, 2016/04/05