Re: [edk2-devel] Question regarding MMIO address space exposed from GetMemoryMap

2019-11-01 Thread Jon Nettleton
On Fri, Nov 1, 2019 at 6:57 AM Jon Nettleton via Groups.Io wrote: > > On Thu, Oct 31, 2019 at 5:44 PM Andrew Fish via Groups.Io > wrote: > > > > Jon, > > > > Its a little confusing but gBS->GetMemoryMap () only returns information > > about DRAM and any address that requires a kernel virtual

Re: [edk2-devel] Question regarding MMIO address space exposed from GetMemoryMap

2019-10-31 Thread Jon Nettleton
On Thu, Oct 31, 2019 at 5:44 PM Andrew Fish via Groups.Io wrote: > > Jon, > > Its a little confusing but gBS->GetMemoryMap () only returns information > about DRAM and any address that requires a kernel virtual address mapping in > EFI. The OS calls EFI Runtime Services from a kernel virtual

Re: [edk2-devel] Question regarding MMIO address space exposed from GetMemoryMap

2019-10-31 Thread Andrew Fish via Groups.Io
Jon, Its a little confusing but gBS->GetMemoryMap () only returns information about DRAM and any address that requires a kernel virtual address mapping in EFI. The OS calls EFI Runtime Services from a kernel virtual mapping so the memory map is also involved in the hand shake to communicate

[edk2-devel] Question regarding MMIO address space exposed from GetMemoryMap

2019-10-31 Thread Jon Nettleton
I am working on sorting out a failure on test 605 of the SBSA test. The test is "Where a memory access is to an unpopulated part of the addressable memory space, accesses must be terminated in a manner that is presented to the PE as either a precise Data Abort or that causes a system error