[U-Boot] installing u-boot on a virtual x86 machine

[Bin Meng]

Hi Francesco,

On Tue, Apr 28, 2015 at 4:23 PM, Francesco Lucconi <luccons at gmail.com> wrote:
> Yes, I've readed the README.x86 document provided from uboot, I've created
> my u-boot-dtb.bin following the rules of coreboot-x86 recipe.
> I suppose I have to apply several tunings since I'm working with a PC with
> i7-2600 Intel Core CPU, right?
> Here you have the screenshots of some starting phases on virtualbox platform
> (I've attached the files even if I think they don't give many information).
>

Looks like the 'error' message is printed by the MBR loader codes. Can
you point us the source of the MBR?

>
> 2015-04-27 17:50 GMT+02:00 Simon Glass <sjg at chromium.org>:
>>
>> Hi Francesco,
>>
>> On 27 April 2015 at 00:56, Francesco Lucconi <luccons at gmail.com> wrote:
>> >
>> > 2015-04-25 1:04 GMT+02:00 Bin Meng <bmeng.cn at gmail.com>:
>> >>
>> >> Hi Francesco,
>> >>
>> >> On Fri, Apr 24, 2015 at 3:20 PM, Francesco Lucconi <luccons at gmail.com>
>> >> wrote:
>> >> > I'm Francesco Lucconi from Italy, and I'm involved into a x86 project
>> >> > where
>> >> > my issue is to compile a u-boot (I'm currently using uboot-2015.01)
>> >> > and
>> >> > to
>> >> > install it into a VID (virtual image disk) of virtualbox.
>> >> >
>> >> >
>> >> > I've already tuned the MBR, registering two FAT16 partitions, one for
>> >> > u-boot and the other one for future kernel uImage and firmware
>> >> > development.
>> >> > In this moment I figured out that I've installed correctly the MBR
>> >> > cause
>> >> > I
>> >> > can see on the display strings I've applied on the MBR source code
>> >> > but
>> >> > it
>> >> > seems that u-boot.bin code doesn't run correctly, the system hangs
>> >> > out....
>> >> > Could you give me any tips I didn't notice before?
>> >>
>> >> Could you elaborate more on what BIOS is being used, and what MBR
>> >> codes is that? Is it grub?
>> >>
>> >>
>> >> Regards,
>> >> Bin
>> >
>> >
>> > @Simon Glass: About u-boot I'm using coreboot_x86 config, and with
>> > u-boot.srec I noticed that I received several prints of startup ( like
>> > this
>> > "......................" ) but later the virtual machine hangs up.
>>
>> Did you follow the instruction sin README.x86? Can you provide console
>> output?
>> >
>> > @Bin Meng: I'm using BIOS embedded of Virtualbox platform and I've
>> > customized the 512 bytes MBR data with several debug prints and with the
>> > partitions table based on the features of my FAT16 partitions.
>> >
>> > Regards,
>> > Francesco
>> >
>>

Regards,
Bin