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ArmPkg/ArmHvcLibNull: Add NULL instance of ArmHvcLib

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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>
This commit is contained in:
Pierre Gondois 2022-10-28 17:32:45 +02:00 committed by mergify[bot]
parent 9d8ed9c8ee
commit 3d480a93de
3 changed files with 52 additions and 0 deletions
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1
ArmPkg/ArmPkg.dsc
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@ -132,6 +132,7 @@
ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf
ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf
ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf
ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf
ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf
ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.inf ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.inf

29
ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c Normal file
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@ -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;
}

22
ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf Normal file
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@ -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