Hi Sourav, would you mind sharing a patch? This is really not that helpful as I can only guess what you have done.
Thanks, Jakub On 03/02/2017 08:14 PM, sourav punoriyar wrote: > Hi Jakub, > > I was able to pass boot_args from uboot till kernel. > > The issue was i was looking in wrong direction. > After going through uboot for Netbsd i found the solution.. > > *Some assumptions i made i kernel.* > > As no length is passed , i have taken max arguments size to be 4096 bytes. > I have used str_cpy in (arm32_pre_main) so that no buffer overflow happens. > > I will come up with a structure to keep parsed arguments and a parser > function to collect the arguments separately. > > Please give your opinion and suggestions so that i can make it better. > > > Regards, > Sourav Punoriyar > > On Sun, Feb 26, 2017 at 4:29 AM, Jakub Jermář <[email protected] > <mailto:[email protected]>> wrote: > > Hi Sourav, > > On 02/25/2017 08:59 PM, sourav punoriyar wrote: > > Before Loading HelenOS > > U-Boot# bdinfo > > *arch_number = 0x00000E05* > > boot_params = 0x80000100 > <snip> > > After loading HelenOS > > U-Boot# bootm 0x80007FC0 - {Booting HelenOS} > > ## Transferring control to NetBSD stage-2 loader (at address 80000000) > ... > <snip> > > I am just trying to read bdinfo , just to build confidence. > > But, I am not getting the expected values :-( > > I doubt is it something related to LOAD ADDRESS = 80000000 ? > > beagebone _black Load = 80008000 ? > > Yes, the address to which the bbxm and bbone loader is linked seems to > conflict with the address where u-boot puts the arguments. You can try > moving the link/load address a little bit higher and see if it helps. > See boot/arch/arm32/Makefile.inc. > > Jakub > > _______________________________________________ > HelenOS-devel mailing list > [email protected] <mailto:[email protected]> > http://lists.modry.cz/listinfo/helenos-devel > <http://lists.modry.cz/listinfo/helenos-devel> > > > > > _______________________________________________ > HelenOS-devel mailing list > [email protected] > http://lists.modry.cz/listinfo/helenos-devel > _______________________________________________ HelenOS-devel mailing list [email protected] http://lists.modry.cz/listinfo/helenos-devel
