Hi Michael, I still have question. :)
When ARM fetch instruction, it firstly try cache. It then should have cache miss, and forces to reload the instruction from memory? Why it will have problem while U-boot & Kernel at the same memory location? 2011/3/20 Michael Spang <msp...@csclub.uwaterloo.ca>: > On 3/19/11, arden jay <arden....@gmail.com> wrote: >> Hi Michael, >> Curiously, have any idea how to test cache stuff? > > I don't have any good suggestions for testing cache stuff in general, > but this one is pretty easy to test if you have the board in question. > Because U-Boot is loaded *as if it were linux* by the manufacturer's > bootloader, the initial location of U-Boot is the same as where we > ultimately load the Linux kernel. Without this patch the symptom is > the failure of Linux to start from U-Boot. > > Michael > -- cheers, jay _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
