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IntelFramdworkModulePkg/LegacyBios: Add IoMmu Support.

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If IOMMU is enabled, the legacy BIOS need allow the legacy memory
access by the legacy device.
The legacy memory is below 1M memory and HighPmm memory.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
(cherry picked from commit 60794ee6b0)
This commit is contained in:
Jiewen Yao
2017-09-04 09:28:26 +08:00
committed by Star Zeng
parent 332b4e030e
commit b7fc17ce1f
3 changed files with 73 additions and 1 deletions
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IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
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@ -47,6 +47,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/PciRootBridgeIo.h>
#include <Protocol/SerialIo.h>
#include <Protocol/SuperIo.h>
#include <Protocol/IoMmu.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>