Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: d997d3c62f6c3255491da09235cc7410cefad850
https://github.com/tianocore/edk2/commit/d997d3c62f6c3255491da09235cc7410cefad850
Author: Ceping Sun <cepingx....@intel.com>
Date: 2024-09-03 (Tue, 03 Sep 2024)
Changed paths:
M OvmfPkg/Library/PlatformInitLib/MemDetect.c
Log Message:
-----------
OvmfPkg: Use TdHob instead of e820tables to get memory info in TDVF
Currently, TDVF gets LowMemory and FistNonAddress from the e820tables
via fw_cfg, while TD-Hob can also provide the memory info of LowMemory
and FistNonAddress.
In current stage e820tables are not measured but TD-Hob is measured in
early phase by TDVF.
So, from the security perspective we'd better use the information from
TD-Hob instead of e820tables.
Cc: Erdem Aktas <erdemak...@google.com>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Min Xu <min.m...@intel.com>
Cc: Gerd Hoffmann <kra...@redhat.com>
Cc: Elena Reshetova <elena.reshet...@intel.com>
Signed-off-by: Ceping Sun <cepingx....@intel.com>
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