mirror of https://github.com/acidanthera/audk.git
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/** @file
|
|
*
|
|
* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
|
|
*
|
|
* This program and the accompanying materials
|
|
* are licensed and made available under the terms and conditions of the BSD License
|
|
* which accompanies this distribution. The full text of the license may be found at
|
|
* http://opensource.org/licenses/bsd-license.php
|
|
*
|
|
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
*
|
|
**/
|
|
|
|
#include <Base.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/IoLib.h>
|
|
#include <Library/ArmGicLib.h>
|
|
|
|
/*
|
|
* This function configures the interrupts set by the mask to be secure.
|
|
*
|
|
*/
|
|
VOID
|
|
EFIAPI
|
|
ArmGicSetSecureInterrupts (
|
|
IN UINTN GicDistributorBase,
|
|
IN UINTN* GicSecureInterruptMask,
|
|
IN UINTN GicSecureInterruptMaskSize
|
|
)
|
|
{
|
|
UINTN Index;
|
|
UINT32 InterruptStatus;
|
|
|
|
// We must not have more interrupts defined by the mask than the number of available interrupts
|
|
ASSERT(GicSecureInterruptMaskSize <= (ArmGicGetMaxNumInterrupts (GicDistributorBase) / 32));
|
|
|
|
// Set all the interrupts defined by the mask as Secure
|
|
for (Index = 0; Index < GicSecureInterruptMaskSize; Index++) {
|
|
InterruptStatus = MmioRead32 (GicDistributorBase + ARM_GIC_ICDISR + (Index * 4));
|
|
MmioWrite32 (GicDistributorBase + ARM_GIC_ICDISR + (Index * 4), InterruptStatus & (~GicSecureInterruptMask[Index]));
|
|
}
|
|
}
|
|
|
|
VOID
|
|
EFIAPI
|
|
ArmGicEnableDistributor (
|
|
IN INTN GicDistributorBase
|
|
)
|
|
{
|
|
// Turn on the GIC distributor
|
|
MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 1);
|
|
}
|
|
|
|
VOID
|
|
EFIAPI
|
|
ArmGicSetupNonSecure (
|
|
IN UINTN MpId,
|
|
IN INTN GicDistributorBase,
|
|
IN INTN GicInterruptInterfaceBase
|
|
)
|
|
{
|
|
ArmGicV2SetupNonSecure (MpId, GicDistributorBase, GicInterruptInterfaceBase);
|
|
}
|