Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
---
OvmfPkg/PlatformPei/Fv.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/OvmfPkg/PlatformPei/Fv.c b/OvmfPkg/PlatformPei/Fv.c
index a119172..e309ddf 100644
--- a/OvmfPkg/PlatformPei/Fv.c
+++ b/OvmfPkg/PlatformPei/Fv.c
@@ -46,6 +46,17 @@ PeiFvInitialization (
BuildFvHob (PcdGet32 (PcdOvmfMemFvBase), PcdGet32 (PcdOvmfMemFvSize));
//
+ // Cover the initial RAM area used as stack and temporary PEI heap. The base
+ // constant comes from OvmfPkg/Sec/{Ia32,X64}/SecEntry.{asm,S}, the size
+ // originates from SecCoreStartupWithStack() [OvmfPkg/Sec/SecMain.c].
+ //
+ BuildMemoryAllocationHob (
+ BASE_512KB - SIZE_64KB,
+ SIZE_64KB,
+ EfiACPIMemoryNVS
+ );
+
+ //
// Cover the decompressed main firmware with a memory allocation that
// prevents the OS from using it. At S3 resume we overwrite this area.
//
--
1.8.3.1
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