tis 2013-05-21 klockan 14:26 +0200 skrev Wolfgang Denk: > > but imho the user shouldn't really need to care for these and is why I > > hooked into the go command. > > In this case you should use the common C API.
Unfortunately the go command do now know what range(s) it needs to flush. > No. bootm knows exactly the location and size of the image, so it is > sufficient to flush / invalidate a part of the memory, usually a > pretty small one compared to the total RAM size. See arch/arm/cpu/armv7/cpu.c cleaup_before_linux() for what I am talking about regarding bootm. > > And I do not think there needs to be commands for flushing specific > > regions other than for testing. Region based flushing is better done by > > code which knows what is needed. It's hard for users to get this right > > as most times it works anyway. > > The code should know which ranges need flushing, not the user. Agreed. But I don't see how this can be done for go. Should we instrument all the load commands to remember which ranges something have been loaded into since last flush? Regards Henrik _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot

