On Sat, Aug 15, 2020 at 11:16 AM Russell King - ARM Linux admin <linux@xxxxxxxxxxxxxxx> wrote: > On Fri, Aug 14, 2020 at 04:03:41PM +0200, Linus Walleij wrote: > > But TEXT_OFFSET is also used inside the kernel to offset the > > virtual memory. This means that when we set up the virtual > > memory split, the kernel virtual memory is also bumped by > > these 2 MB so the virtual memory starts at 0xC0208000 > > instead of 0xC0008000 as is normal. > > No. Virtual memory starts without the 32KiB offset. The L1 swapper > page table starts 16KiB below (or slightly more if LPAE) for example. Thanks Russell, I am struggling to learn these things. Slow learner. I'm reading through the assembler line-by-line and trying to learn things from the ground up now, let's see if I manage to get these things eventually. Best regards, Linus Walleij
