Hi Ard, 2017-10-10 16:53 GMT+02:00 Leif Lindholm <[email protected]>: > On Mon, Oct 09, 2017 at 07:00:57PM +0200, Marcin Wojtas wrote: >> From: Ard Biesheuvel <[email protected]> >> >> The GIC architecture mandates that the CPU interface, which consists >> of 2 consecutive 4 KB frames, can be mapped using separate mappings. >> Since this is problematic on 64 KB pages, the MMU-400 aliases each >> frame 16 times, and the two consecutive frames can be found at offset >> 0xf000. This patch is intended to expose correct GICC alias via >> MADT, once ACPI support is added. > > I'm afraid I don't quite understand this message. > > The change seems to be that the InterfaceBase moves from the first 4KB > alias inside a 64KB page to the last alias within the same page. > That seems valid, but I don't see how it resolves anything described > in this message? >
Can you recall what issue was fixed thanks to this patch? Best regards, Marcin _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
