Files
system76-edk2/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c
Pierre Gondois aa0f522471 ArmPkg/ArmMonitorLib: Add ArmMonitorLib
The ArmMonitorLib provides an abstract interface to issue
an HyperVisor Call (HVC) or System Monitor Call (SMC) depending
on the default conduit.
The PcdMonitorConduitHvc PCD allows to select the default conduit.

Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
2022-11-06 16:32:28 +00:00

35 lines
778 B
C

/** @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);
}
}