diff options
| author | Kun Qin <kun.q@outlook.com> | 2020-12-17 14:47:07 -0800 |
|---|---|---|
| committer | Kun Qin <kun.q@outlook.com> | 2021-02-01 10:03:35 -0800 |
| commit | 79a951d19903ccfe5f5abe49ee69f797a9d80020 (patch) | |
| tree | 0bd152549c33bdafaaf23985a41cec66bfc46a2a /PcAtChipsetPkg/Library/AcpiTimerLib/StandaloneMmAcpiTimerLib.c | |
| parent | 14a746bb6a92d59669c67a970479558734cf2383 (diff) | |
| download | edk2-79a951d19903ccfe5f5abe49ee69f797a9d80020.tar.gz | |
PcAtChipsetPkg: AcpiTimerLib: Added StandaloneMm instance of AcpiTimerLib
This change added a new instance of AcpiTimerLib for StandaloneMm core
and drivers. It centralizes the common routines into shared files and
abstract the library constructor into corresponding files to accommodate
each constructor function prototypes.
Cc: Ray Ni <ray.ni@intel.com>
Signed-off-by: Kun Qin <kun.q@outlook.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Diffstat (limited to 'PcAtChipsetPkg/Library/AcpiTimerLib/StandaloneMmAcpiTimerLib.c')
| -rw-r--r-- | PcAtChipsetPkg/Library/AcpiTimerLib/StandaloneMmAcpiTimerLib.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/PcAtChipsetPkg/Library/AcpiTimerLib/StandaloneMmAcpiTimerLib.c b/PcAtChipsetPkg/Library/AcpiTimerLib/StandaloneMmAcpiTimerLib.c new file mode 100644 index 0000000000..97aca56069 --- /dev/null +++ b/PcAtChipsetPkg/Library/AcpiTimerLib/StandaloneMmAcpiTimerLib.c @@ -0,0 +1,31 @@ +/** @file
+ ACPI Timer implements one instance of Timer Library.
+
+ Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) Microsoft Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiMm.h>
+
+#include "DxeStandaloneMmAcpiTimerLib.h"
+
+/**
+ The constructor function enables ACPI IO space, and caches PerformanceCounterFrequency.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns RETURN_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+StandaloneMmAcpiTimerLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_MM_SYSTEM_TABLE *SystemTable
+ )
+{
+ return CommonAcpiTimerLibConstructor ();
+}
|