diff options
| author | Star Zeng <star.zeng@intel.com> | 2016-07-18 11:31:28 +0800 |
|---|---|---|
| committer | Michael Kinney <michael.d.kinney@intel.com> | 2016-09-01 08:18:59 -0700 |
| commit | ca98f60382943d4b40a8e60125120edc4d69f212 (patch) | |
| tree | 5a0c14a1985a46680c4d4b28bb81a1c4669ceb0d /UefiCpuPkg/CpuS3DataDxe | |
| parent | 5322ee484b54bc78023383a546971b601dcc4ce1 (diff) | |
| download | edk2-platforms-ca98f60382943d4b40a8e60125120edc4d69f212.tar.xz | |
UefiCpuPkg/CpuS3DataDxe: Consume PcdAcpiS3Enable to control the code
If PcdAcpiS3Enable is disabled, then return an EFI_UNSUPPORTED
error which forces the module to be unloaded.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'UefiCpuPkg/CpuS3DataDxe')
| -rw-r--r-- | UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c | 5 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuS3DataDxe/CpuS3DataDxe.inf | 2 |
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
|