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-rw-r--r--UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c5
-rw-r--r--UefiCpuPkg/CpuS3DataDxe/CpuS3DataDxe.inf2
2 files changed, 7 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c b/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
index 7bd928f330..3489b9549c 100644
--- a/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
+++ b/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
@@ -133,6 +133,7 @@ CpuS3DataOnEndOfDxe (
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
+ @retval EFI_UNSUPPORTED Do not support ACPI S3.
@retval other Some error occurs when executing this entry point.
**/
@@ -160,6 +161,10 @@ CpuS3DataInitialize (
VOID *Idt;
EFI_EVENT Event;
+ if (!PcdGetBool (PcdAcpiS3Enable)) {
+ return EFI_UNSUPPORTED;
+ }
+
//
// Allocate ACPI NVS memory below 4G memory for use on ACPI S3 resume.
//
diff --git a/UefiCpuPkg/CpuS3DataDxe/CpuS3DataDxe.inf b/UefiCpuPkg/CpuS3DataDxe/CpuS3DataDxe.inf
index 608e19f5ef..480c98ebcd 100644
--- a/UefiCpuPkg/CpuS3DataDxe/CpuS3DataDxe.inf
+++ b/UefiCpuPkg/CpuS3DataDxe/CpuS3DataDxe.inf
@@ -41,6 +41,7 @@
[Packages]
MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
[LibraryClasses]
@@ -60,6 +61,7 @@
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuS3DataAddress ## PRODUCES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiS3Enable ## CONSUMES
[Depex]
gEfiMpServiceProtocolGuid