mirror of https://github.com/acidanthera/audk.git
5ff99e0dab
The flag for HTTU override in an SMMUv3 node in the IORT table is defined in MdePkg/Include/IndustryStandard/IoRemappingTable.h as a single bit. BIT0 or BIT1. The implementation of this field is actually two bits, with the following mapings: 0b0000: Hardware update of the Access flag and dirty state are not supported. 0b0001: Support for hardware update of the Access flag for Block and Page descriptors. 0b0010: As 0b0001, and adds support for hardware update of the Access flag for Block and Page descriptors. Hardware update of dirty state is supported. Referenced in Arm® System Memory Management Unit Architecture Specification SMMU architecture version 3: https://documentation-service.arm.com/static/63d7a2d5e4378a55c5e045b9 Signed-off-by: Aaron Pop <aaronpop@microsoft.com> |
||
|---|---|---|
| .. | ||
| Include | ||
| Library | ||
| Test | ||
| MdeLibs.dsc.inc | ||
| MdePkg.ci.yaml | ||
| MdePkg.dec | ||
| MdePkg.dsc | ||
| MdePkg.uni | ||
| MdePkgExtra.uni | ||