On 06/08/21 12:57, Joao Martins wrote:
Base Address Top Address Use FD_0000_0000h FD_F7FF_FFFFh Reserved interrupt address space FD_F800_0000h FD_F8FF_FFFFh Interrupt/EOI IntCtl FD_F900_0000h FD_F90F_FFFFh Legacy PIC IACK FD_F910_0000h FD_F91F_FFFFh System Management FD_F920_0000h FD_FAFF_FFFFh Reserved Page Tables FD_FB00_0000h FD_FBFF_FFFFh Address Translation FD_FC00_0000h FD_FDFF_FFFFh I/O Space FD_FE00_0000h FD_FFFF_FFFFh Configuration FE_0000_0000h FE_1FFF_FFFFh Extended Configuration/Device Messages FE_2000_0000h FF_FFFF_FFFFh Reserved
The problems we're seeing are with FFFD_0000_0000h. How does the IOMMU interpret bits 40-47 of the address?
Paolo
