Thank you for sharing. Regards, John
> On Aug 22, 2016, at 5:11 PM, val <[email protected]> wrote: > > > > четвер, 18 серпня 2016 р. 01:49:56 UTC+3 користувач john3909 написав: > I recommend you ask your question on Texas Instruments E2E website > > e2e.ti.com <http://e2e.ti.com/> > > I’m not sure anyone here would have this level of detailed knowledge. > > Regards, > John > > > Thank you for the recommendation. I did so, and got the answers. > For those who might be interested, the short answer is the rom code does need > CH, put at the one of sectors - #0, #256, #512 or #768. CH is about 288 bytes > in size (there is a very good project at github > <https://github.com/mvduin/bbb-asm-demo>, clearly illustarting this and > more), so it fits into an MBR's BootCode block, but this will not help you > with putting your image right after it into remaining bytes of the BootCode, > because the rom code expects the image to be placed sector aligned, thus - at > the beginning of the next sector. > So if you cannot place it there, because there is some other thing already > occupying it, as the GPT header in my case, and you still want to use the raw > mode of booting, your only choice is to skip 256 sectors and lay your bundle > - TOC, CHSETTINGS at the beginning of Lba #256 and GP+your image at Lba #257. > Rom code checks all 4 locations, so finding the CH at Lba #256 it will load > it. Hopefully. > > -- > For more options, visit http://beagleboard.org/discuss > <http://beagleboard.org/discuss> > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/4bbe0885-d868-4628-a0f3-7f0dcf266f3d%40googlegroups.com > > <https://groups.google.com/d/msgid/beagleboard/4bbe0885-d868-4628-a0f3-7f0dcf266f3d%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/2F056015-8AB0-4A72-8CCC-A36A4FB47B47%40gmail.com. For more options, visit https://groups.google.com/d/optout.
