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Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] Where is vga-rom mapped in guest system memory? |
Date: |
Wed, 14 May 2014 13:54:34 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 05/14/14 13:41, Jaeyong Yoo wrote:
> I built the seabios in qemu and try to see the debug message of seabios.
> So, I checked the "Serial port debugging" option in Debugging section with
> the
> serial port base address 0x3f8. (Is this the correct value?)
> And, launch qemu with option "-serial stdio" but I don’t see any messages from
> seabios. If I want to see the debug message of seabios to the output console,
> what am I missing?
>
> My full command for launching qemu is the following:
> $ sudo x86_64-softmmu/qemu-system-x86_64 -enable-kvm -m 1024 -vga vmware
> -serial stdio ~/data/qemu-images/ubuntu-13.04-desktop.img
I rely on the qemu debug port rather than on serial:
-debugcon file:debug.log -global isa-debugcon.iobase=0x402
Check the DEBUG_IO and DEBUG_LEVEL settings in the SeaBIOS config as well.
Laszlo
- [Qemu-devel] Where is vga-rom mapped in guest system memory?, Jaeyong Yoo, 2014/05/13
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Laszlo Ersek, 2014/05/13
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Jaeyong Yoo, 2014/05/14
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Laszlo Ersek, 2014/05/14
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Jaeyong Yoo, 2014/05/14
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?,
Laszlo Ersek <=
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Jaeyong Yoo, 2014/05/15
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Laszlo Ersek, 2014/05/15
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Jaeyong Yoo, 2014/05/16
- Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?, Laszlo Ersek, 2014/05/16