On Fri, Sep 04, 2020 at 12:43:57PM -0600, Stephen Warren wrote: > On 9/4/20 3:07 AM, Edgar E. Iglesias wrote: > > From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com> > > > > PIE requires a 4K aligned load address. If this is not met, trap > > the startup sequence in a WFI loop rather than running into obscure > > failures. > > > diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S > > #if CONFIG_POSITION_INDEPENDENT > > + /* Verify that we're 4K aligned. */ > > Similar to the comment on the previous patch: I believe the code that > implements this check should be outside the #if check, since it's always > needed.
But a check for non-PIE would have to be stricter, wouldn't it? I.e the load address needs to exactly match the link-time address. Perhaps we should add the non-PIE check in a separate patch (if at all)? Cheers, Edgar
