From: Laszlo Ersek <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
[[email protected]: move to MemDetect.c; use PCDs]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <[email protected]>
---
OvmfPkg/PlatformPei/MemDetect.c | 11 +++++++++++
OvmfPkg/PlatformPei/PlatformPei.inf | 2 ++
2 files changed, 13 insertions(+)
diff --git a/OvmfPkg/PlatformPei/MemDetect.c b/OvmfPkg/PlatformPei/MemDetect.c
index bd666c5..a298d62 100644
--- a/OvmfPkg/PlatformPei/MemDetect.c
+++ b/OvmfPkg/PlatformPei/MemDetect.c
@@ -176,6 +176,17 @@ MemDetect (
(UINT64)(UINTN) PcdGet32 (PcdS3AcpiReservedMemorySize),
EfiACPIMemoryNVS
);
+
+ //
+ // Cover the initial RAM area used as stack and temporary PEI heap.
+ //
+ // This is reserved as ACPI NVS so it can be used on S3 resume.
+ //
+ BuildMemoryAllocationHob (
+ PcdGet32 (PcdOvmfSecPeiTempRamBase),
+ PcdGet32 (PcdOvmfSecPeiTempRamSize),
+ EfiACPIMemoryNVS
+ );
}
return LowerMemorySize;
diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf
b/OvmfPkg/PlatformPei/PlatformPei.inf
index 260619e..b4e8327 100644
--- a/OvmfPkg/PlatformPei/PlatformPei.inf
+++ b/OvmfPkg/PlatformPei/PlatformPei.inf
@@ -65,6 +65,8 @@
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize
gUefiOvmfPkgTokenSpaceGuid.PcdAcpiPmBaseAddress
gUefiOvmfPkgTokenSpaceGuid.PcdS3AcpiReservedMemoryBase
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdS3AcpiReservedMemorySize
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
--
1.8.5.2
------------------------------------------------------------------------------
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