On 06/28/18 08:25, Zeng, Star wrote: > My understanding is MMIO is not managed by UEFI memory services, but GCD > services. > PI spec says " If the memory range specified by BaseAddress and Length is of > type EfiGcdMemoryTypeSystemMemory or EfiGcdMemoryTypeMoreReliable, then the > memory range may be automatically *allocated* for use by the *UEFI memory > services*." in AddMemorySpace() description. > > For MMIO, the code needs to use AddMemorySpace() + AllocateMemorySpace().
Right, after seeing today the (updated) AllocatePages() failure, reported by Brijesh, I came to the same conclusion. Thank you for correcting my initial suggestion! It's not easy to keep this details in mind :) Laszlo _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
