Barisa Kisku wrote: > I have ported linux-2.6.20 in cutom board based on MPC860.Kernel > with the KERNELBASE as default 0xc00000000. uImage is downloaded at > some address and booted with "bootm" command.Kernel is uncompressed > and loaded at 0x00000000.All the kernel function is now having > physical address (e.g. 0x000020c8 instead of 0xc00020c8, which is > given by compiler).I think this required, to run kernel before MMU is > on, but how this change in assembled code happens.
There is no change in the code itself -- the kernel is merely careful to avoid (or fix up) data references before the MMU is turned on (which happens quite early). > Does u-boot do > this when uncompressing and loading the kernel. No. -Scott _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
