> On May 30, 2016, at 10:37 AM, Vladimir Olovyannikov
> <vladimir.olovyanni...@broadcom.com> wrote:
>
>
> Hello All,
>
> I faced an issue with my UEFI implementation (Armv8 64 bit platform).
> I need to convert a device physical address to the virtual on
> VirtualAddressChange event.
> EfiConvertPointer always returns EFI_NOT_FOUND.
>
> I tried to allocate just an address:
> gBS->AllocatePages(AllocateAddress, EfiRuntimeServicesCode, 1,
> &MyAddress); // Allocate one page
> where MyAddress is 0x65042000.
> Which also returns EFI_NOT_FOUND.
>
> I declared this device's memory in the Platform memory lib as
>
> // Mydevice
> // 1MB @0x65000000 (0x65000000 - 0x650fffff)
> MMUTable[++Index].PhysicalBase = MY_DEV_BASE;
> MMUTable[Index].VirtualBase = MY_DEV_BASE;
> MMUTable[Index].Length = MY_DEV_SZ; // SIZE_1MB
> MMUTable[Index].Attributes =
> ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
>
> I can access this device perfectly from BootServices (read/write) with MMU
> (1:1) on.
> But it is nowhere in virtual table map which
> AllocatePages()/EfiConvertPointer() eventually use.
>
> Please let me know what I am missing here?
> I have declared this memory as a Runtime with
>
> Status = gDS->AddMemorySpace (
> EfiGcdMemoryTypeMemoryMappedIo,
> AlignedAddr, SIZE_64KB,
> EFI_MEMORY_UC | EFI_MEMORY_RUNTIME
> );
> if (!EFI_ERROR (Status)) {
> Status = gDS->SetMemorySpaceAttributes (
> AlignedAddr,
> SIZE_64KB,
> EFI_MEMORY_UC | EFI_MEMORY_RUNTIME
> );
> }
>
If you boot to the UEFI shell and dump the memory map what to do you see?
Thanks,
Andrew Fish
> Thank you,
> Vladimir
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