[coreboot] Seeing the output messages
scott at notabs.org
Wed Feb 16 19:35:44 CET 2011
On 02/16/2011 08:09 PM, Joseph Smith wrote:
> On 02/16/2011 05:15 AM, ali hagigat wrote:
>> I wonder if you can answer my questions if you really know about them.
>> I do not have any mother board with Coreboot support now. I am
>> reviewing the code statically.
>> On Wed, Feb 16, 2011 at 1:35 PM, Joseph Smith<joe at settoplinux.org>
>>> On Wed, 16 Feb 2011 12:37:15 +0330, ali hagigat<hagigatali at gmail.com>
>>>> How a program is traced in Coreboot? by serial port? or initialization
>>>> of internal graphics cards? What about those boards with external
>>>> graphics cards? When it does printk, to what device the message is
>>>> actually sent?
>>> Why don't you try it and find out!
> Of course I do. I have written code for several of boards in the
> coreboot tree. And several more I am working on. printk output goes to
> the serial console until vga starts and then it goes to both until the
> OS takes over.
> Maybe you should get a coreboot running on a board.... no way better to
> learn than to get your hands dirty, then maybe you will stop asking all
> these silly newbie questions.
]P.S. How do I initialize the cup holder in coreboot?
If a real board is not available, AMD simnow can be used to test one
of the AMD projects. It is free and available for both windows and
linux. It can even capture the serial output as shown here:
More information about the coreboot