Displaying 7 results from an estimated 7 matches for "fw_cfg_add_file".
2018 Feb 28
2
How can we achieve vga emulation over a serial port in libvirt
Hi
For the latest seabios version, it said: Support for vga emulation over a
serial port in SeaBIOS (sercon).
So I want to know how can I find the application of this feature in
libvirt? And whether my understanding is correct?
There are no related instruction on the website: https://libvirt.org/
My understanding:
(1) The feature means: we can set this the IO address of a serial port to
2018 Mar 05
0
Re: How can we achieve vga emulation over a serial port in libvirt
...this to the IO address of a serial port to enable SeaBIOS' VGA
adapter emulation on the given serial port.
However looking at current QEMU master, there is no such setting being done (I
just did simple git grep sercon-port). However it looks like other options are
being set using fw_cfg_add_file, so it should be possible to set that using
something like:
-fw_cfg name=etc/sercon-port,string=0x3F8
but when I tried (with seabios 1.11.0), I realized I'm not sure how to see
whether it works or not. How would I try that, easily?
Anyway, if the above is the case, we don't _yet_ have a...
2016 Nov 16
2
[PATCH 1/3] virtio: Basic implementation of virtio pstore driver
Hi,
On Tue, Nov 15, 2016 at 11:38 PM, Paolo Bonzini <pbonzini at redhat.com> wrote:
>
>
> On 15/11/2016 15:36, Namhyung Kim wrote:
>> Hi,
>>
>> On Tue, Nov 15, 2016 at 10:57:29AM +0100, Paolo Bonzini wrote:
>>>
>>>
>>> On 15/11/2016 06:06, Michael S. Tsirkin wrote:
>>>> On Tue, Nov 15, 2016 at 01:50:21PM +0900, Namhyung Kim
2016 Nov 16
2
[PATCH 1/3] virtio: Basic implementation of virtio pstore driver
Hi,
On Tue, Nov 15, 2016 at 11:38 PM, Paolo Bonzini <pbonzini at redhat.com> wrote:
>
>
> On 15/11/2016 15:36, Namhyung Kim wrote:
>> Hi,
>>
>> On Tue, Nov 15, 2016 at 10:57:29AM +0100, Paolo Bonzini wrote:
>>>
>>>
>>> On 15/11/2016 06:06, Michael S. Tsirkin wrote:
>>>> On Tue, Nov 15, 2016 at 01:50:21PM +0900, Namhyung Kim
2016 Nov 16
0
[PATCH 1/3] virtio: Basic implementation of virtio pstore driver
...er.
QEMU already has an interface to allocate RAM and patch the address into an
ACPI table (bios_linker_loader_alloc). Because this interface is actually meant
to load data from QEMU into the firmware (using the "fw_cfg" interface), you
would have to add a dummy 8KB file to fw_cfg using fw_cfg_add_file (for
example "etc/erst-memory"), it can be just full of zeros.
QEMU supports two chipsets, PIIX and ICH9, and the free I/O port ranges are
different. You could use 0xa20 for ICH9 and 0xae20 for PIIX.
All in all, the contents of the ERST table would not be very different from a
non-virt...
2016 Nov 18
3
[PATCH 1/3] virtio: Basic implementation of virtio pstore driver
...dy has an interface to allocate RAM and patch the address into an
> ACPI table (bios_linker_loader_alloc). Because this interface is actually meant
> to load data from QEMU into the firmware (using the "fw_cfg" interface), you
> would have to add a dummy 8KB file to fw_cfg using fw_cfg_add_file (for
> example "etc/erst-memory"), it can be just full of zeros.
>
> QEMU supports two chipsets, PIIX and ICH9, and the free I/O port ranges are
> different. You could use 0xa20 for ICH9 and 0xae20 for PIIX.
>
> All in all, the contents of the ERST table would not be...
2016 Nov 18
3
[PATCH 1/3] virtio: Basic implementation of virtio pstore driver
...dy has an interface to allocate RAM and patch the address into an
> ACPI table (bios_linker_loader_alloc). Because this interface is actually meant
> to load data from QEMU into the firmware (using the "fw_cfg" interface), you
> would have to add a dummy 8KB file to fw_cfg using fw_cfg_add_file (for
> example "etc/erst-memory"), it can be just full of zeros.
>
> QEMU supports two chipsets, PIIX and ICH9, and the free I/O port ranges are
> different. You could use 0xa20 for ICH9 and 0xae20 for PIIX.
>
> All in all, the contents of the ERST table would not be...