Hi Igor, On Tue, Aug 11, 2015 at 9:18 PM, Stoppa, Igor <igor.sto...@intel.com> wrote: > Hello, > > I have read the documentation coming with u-boot and several other > links that I got from Google, but I am still confused on certain > items. > > I'll gladly provide patches for enhancing the documentation, if anyone > can help me > to understand better. > > My impression is that the typical way of running u-boot in non-EFI > mode is to create its raw version. Because the alternative is to build > u-boot as coreboot payload, but not many target HW use coreboot. Is > this correct? >
U-Boot supports running bare-metal as well as being loaded as a coreboot payload. For the base-metal case, U-Boot is the actual BIOS which boots from the x86 reset vector. > Googling, I found this link [1] from the qemu ml archives, which shows > how to build and start a u-boot rom file in qemu. Which works also for > me. > This is documented in README.x86 @ http://git.denx.de/?p=u-boot.git;a=blob;f=doc/README.x86;h=af2459c7ed6af55d989f2902bbf8ec4646975aaa;hb=HEAD#l255 > However I would like to create a loop file, install u-boot in it and > pass that file to qemu as hda, rather than using the rom file. > Why do you want to do this way? U-Boot does not support this use case so far. > How do I install u-boot? From what I understood I should put something > in the (disk? / partition?) MBR and copy something else elsewhere. > > But I could not figure out what goes where, exactly. Could anybody > please enlighten me? > As mentioned above, this is not supported. But if you can figure it out, patches are welcome :-) > > [1] https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg04835.html > -- Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
