On Sunday, September 06, 2015 at 01:28:08 PM, Thomas Chou wrote: > HI Marek,
Hi! > On 09/05/2015 08:50 PM, Marek Vasut wrote: > >> We didn't include relocation records in nios2 binary image, so there is > >> no real relocation like that of ARM. > > > > Can we add them instead ? > > I think it is possible. I recalled that we have an old flat image format > with elf2flt to run nonmmu uclinux, which does a similar relocation. But > I would suggest that we should keep thing simple and small in a boot > loader like U-Boot. We already do it on ARM though and the reason for this is to place U-Boot at the end of the DRAM, so that most of the DRAM can be used by the user. > >> Altera provides small boot loaders for cfi/sf along with their nios2 > >> jtag flash programmer, which will load the image to the linked address > >> in sdram. The relocating loop in start.S works only if such Altera boot > >> loader is not used, ie, booting directly from cfi flash. > > > > Hm, Im not using the Altera loader :) > > Neither am I. Look like we all use custom boot copiers, and we don't > need the relocation in the patch above. It doesn't make sense to copy > the code twice. Right? :) In fact, I am loading U-Boot with GDB thus far, so I am only copying it once ;-) Where is the second copying coming from ? Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot