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MdePkg: PciExpressLib support variable size MMCONF

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Add support for arbitrary sized MMCONF by introducing a new PCD.
Add a return value to point out invalid PCI addresses.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Marcello Sylvester Bauer <marcello.bauer@9elements.com>
Cc: Patrick Rudolph <patrick.rudolph@9elements.com>
Cc: Christian Walter <christian.walter@9elements.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
This commit is contained in:
Marcello Sylvester Bauer
2020-07-22 10:55:27 +02:00
committed by mergify[bot]
parent 28d7eea97e
commit 5c06585528
8 changed files with 584 additions and 114 deletions
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MdePkg/Library/SmmPciExpressLib/SmmPciExpressLib.inf
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@@ -35,3 +35,4 @@
[Pcd]
gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress ## CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseSize ## CONSUMES