Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: db38e5031a154897a0847c63072f657d00293820
https://github.com/tianocore/edk2/commit/db38e5031a154897a0847c63072f657d00293820
Author: Andre Przywara <[email protected]>
Date: 2026-04-20 (Mon, 20 Apr 2026)
Changed paths:
M ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Mpam/MpamParser.c
Log Message:
-----------
ShellPkg/AcpiView: Update MPAM table "MMIO size" field check
The "ACPI for Memory System Resource Partitioning and Monitoring" spec
(Arm DEN0065, [1]) in version 2.0 described the "MMIO size" field in the
"MPAM MSC node" subtable as being always 0 if the the "PCC" interface type
is used for that MSC. Version 3.0 of the spec changes that field to convey
the enablement status of that MSC: "If set to 1, this MSC is accessible
... If set to 0, this MSC is non-functional...."
Relax the strict check for this value being 0 in the acpiview validation
checks, to also allow the new value of "1".
[1] https://developer.arm.com/documentation/den0065/3-0/
Signed-off-by: Andre Przywara <[email protected]>
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