IntelSiliconPkg/VtdPmrPei: Add premem support.

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Remove memory discovered dependency to support both premem
VTD_INFO_PPI and postmem VTD_INFO_PPI.

If VTD_INFO_PPI is installed before memory is ready, this
driver protects all memory region.
If VTD_INFO_PPI is installed or reinstalled after memory
is ready, this driver allocates DMA buffer and protect rest.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>

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This commit is contained in:

Jiewen Yao

2017-09-23 16:27:50 +08:00

parent e5d847476a

commit a1e7cd0b02

6 changed files with 1383 additions and 621 deletions

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IntelSiliconPkg/Feature/VTd/IntelVTdPmrPei/IntelVTdPmrPei.c

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