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

[Bin Meng]

Hi Francesco,

On Tue, Apr 28, 2015 at 4:40 PM, Francesco Lucconi <luccons at gmail.com> wrote:
> Here you have the 512 bytes of MBR within the Virtual Disk Image (VID) of
> virtualbox. As you can notice there's not clearly the string "Error!"
> mentioned on previous screenshot.
> About MBR building to ease the procedure, I've created the MBR code
> automatically with PartitionGuru application...
>

Could you please provide detailed setup instructions (like how you
generated the u-boot binary, how you setup the virtual machine and
MBR, etc), so that I can have a try in my environment?

And please stop top posting.

> 2015-04-28 10:25 GMT+02:00 Bin Meng <bmeng.cn at gmail.com>:
>>
>> 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