From: Laszlo Ersek <lersek@redhat.com>
To: Jaeyong Yoo <jaeyong.yoo@samsung.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Where is vga-rom mapped in guest system memory?
Date: Wed, 14 May 2014 13:54:34 +0200 [thread overview]
Message-ID: <5373597A.5090004@redhat.com> (raw)
In-Reply-To: <00f601cf6f69$7c131bb0$74395310$%yoo@samsung.com>
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
next prev parent reply other threads:[~2014-05-14 11:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-13 12:58 [Qemu-devel] Where is vga-rom mapped in guest system memory? Jaeyong Yoo
2014-05-13 13:54 ` Laszlo Ersek
2014-05-14 4:01 ` Jaeyong Yoo
2014-05-14 10:55 ` Laszlo Ersek
2014-05-14 11:41 ` Jaeyong Yoo
2014-05-14 11:54 ` Laszlo Ersek [this message]
2014-05-15 13:25 ` Jaeyong Yoo
2014-05-15 14:04 ` Laszlo Ersek
2014-05-16 4:19 ` Jaeyong Yoo
2014-05-16 9:36 ` Laszlo Ersek
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