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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>
This commit is contained in:
Jiewen Yao
2017-09-04 09:28:26 +08:00
parent 94fb621d37
commit 60794ee6b0
3 changed files with 73 additions and 1 deletions
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1
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
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@@ -137,6 +137,7 @@
gEfiLegacyBiosProtocolGuid ## PRODUCES
gEfiSerialIoProtocolGuid ## CONSUMES
gEfiSioProtocolGuid ## CONSUMES
gEdkiiIoMmuProtocolGuid ## CONSUMES
[Pcd]
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion ## CONSUMES