On Wed, Apr 30, 2025 at 11:29:04AM -0500, Bryan Brattlof wrote: > On April 30, 2025 thus sayeth Anshul Dalal: > > As discussed here[1], the go command causes undefined behavior when used > > for running custom OSes since the icache might hold outdated data. OSes > > usually also expect the MMU to be disabled upon execution. > > > > Therefore this patch adds a call to cleanup_before_linux before we jump > > to the loaded program/os which disables both the caches and the MMU. > > This makes the go command's behavior consistent with riscv platforms. > > > > I know quite a few other OSes are beginning to use U-Boot (QNX, > GreenHills or all the other RTOSes) each with their own requirements > from the bootloader. I'm curious if we should make boot* a little more > generic rather than abuse the 'go' command.
Well, that's what bootelf is for :) -- Tom
signature.asc
Description: PGP signature
