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| author | Pierre Gondois <Pierre.Gondois@arm.com> | 2022-10-28 17:32:45 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-11-06 16:32:28 +0000 |
| commit | 3d480a93defc0e39410877b477519592b7656b3d (patch) | |
| tree | 1fbdcd804b51390c3d306673744b6e8491d457f5 /ArmPkg/Library/ArmHvcLibNull | |
| parent | 9d8ed9c8ee859aee04f88fda060d2f024a1e0905 (diff) | |
| download | edk2-3d480a93defc0e39410877b477519592b7656b3d.zip edk2-3d480a93defc0e39410877b477519592b7656b3d.tar.gz edk2-3d480a93defc0e39410877b477519592b7656b3d.tar.bz2 | |
ArmPkg/ArmHvcLibNull: Add NULL instance of ArmHvcLib
Add a Null instance of ArmHvcLib in case of library dependencies.
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Diffstat (limited to 'ArmPkg/Library/ArmHvcLibNull')
| -rw-r--r-- | ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c | 29 | ||||
| -rw-r--r-- | ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf | 22 |
2 files changed, 51 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c new file mode 100644 index 0000000..8edda01 --- /dev/null +++ b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c @@ -0,0 +1,29 @@ +/** @file
+ Arm HyperVisor Call (HVC) Null Library.
+
+ Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/ArmHvcLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Trigger an HVC call
+
+ HVC calls can take up to 8 arguments and return up to 4 return values.
+ Therefore, the 4 first fields in the ARM_HVC_ARGS structure are used
+ for both input and output values.
+
+ @param [in,out] Args Arguments for the HVC call.
+**/
+VOID
+ArmCallHvc (
+ IN OUT ARM_HVC_ARGS *Args
+ )
+{
+ ASSERT (FALSE);
+ return;
+}
diff --git a/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf new file mode 100644 index 0000000..e390a5f --- /dev/null +++ b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf @@ -0,0 +1,22 @@ +## @file
+# Arm Hvc Null Library
+#
+# Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ BASE_NAME = ArmHvcLibNull
+ FILE_GUID = 02076A46-D6DB-48DD-8E5F-153172DD73A1
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmHvcLib
+
+[Sources]
+ ArmHvcLibNull.c
+
+[Packages]
+ ArmPkg/ArmPkg.dec
+ MdePkg/MdePkg.dec
|