diff options
| -rw-r--r-- | ArmPkg/ArmPkg.dsc | 1 | ||||
| -rw-r--r-- | ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c | 34 | ||||
| -rw-r--r-- | ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf | 29 |
3 files changed, 64 insertions, 0 deletions
diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc index 59fd8f295d..3afd212f47 100644 --- a/ArmPkg/ArmPkg.dsc +++ b/ArmPkg/ArmPkg.dsc @@ -135,6 +135,7 @@ ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.inf
ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf
ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf
+ ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf
ArmPkg/Library/OpteeLib/OpteeLib.inf
ArmPkg/Filesystem/SemihostFs/SemihostFs.inf
diff --git a/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c new file mode 100644 index 0000000000..741f5c6157 --- /dev/null +++ b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c @@ -0,0 +1,34 @@ +/** @file
+ Arm Monitor Library.
+
+ Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/ArmHvcLib.h>
+#include <Library/ArmMonitorLib.h>
+#include <Library/ArmSmcLib.h>
+#include <Library/PcdLib.h>
+
+/** Monitor call.
+
+ An HyperVisor Call (HVC) or System Monitor Call (SMC) will be issued
+ depending on the default conduit. PcdMonitorConduitHvc determines the type
+ of the call: if true, do an HVC.
+
+ @param [in,out] Args Arguments for the HVC/SMC.
+**/
+VOID
+EFIAPI
+ArmMonitorCall (
+ IN OUT ARM_MONITOR_ARGS *Args
+ )
+{
+ if (FeaturePcdGet (PcdMonitorConduitHvc)) {
+ ArmCallHvc ((ARM_HVC_ARGS *)Args);
+ } else {
+ ArmCallSmc ((ARM_SMC_ARGS *)Args);
+ }
+}
diff --git a/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf new file mode 100644 index 0000000000..f504cb80f1 --- /dev/null +++ b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf @@ -0,0 +1,29 @@ +## @file
+# Arm Monitor Library
+#
+# Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ BASE_NAME = ArmMonitorLib
+ FILE_GUID = F918DACB-FBB8-4CB6-A61D-08E75AF0E7CD
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmMonitorLib
+
+[Sources]
+ ArmMonitorLib.c
+
+[Packages]
+ ArmPkg/ArmPkg.dec
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ ArmHvcLib
+ ArmSmcLib
+
+[Pcd]
+ gArmTokenSpaceGuid.PcdMonitorConduitHvc
|