59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/** @file
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*
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* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#include <Base.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/ArmGicLib.h>
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/*
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* This function configures the interrupts set by the mask to be secure.
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*
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*/
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VOID
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EFIAPI
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ArmGicSetSecureInterrupts (
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IN UINTN GicDistributorBase,
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IN UINTN* GicSecureInterruptMask,
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IN UINTN GicSecureInterruptMaskSize
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)
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{
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UINTN Index;
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UINT32 InterruptStatus;
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// We must not have more interrupts defined by the mask than the number of available interrupts
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ASSERT(GicSecureInterruptMaskSize <= (ArmGicGetMaxNumInterrupts (GicDistributorBase) / 32));
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// Set all the interrupts defined by the mask as Secure
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for (Index = 0; Index < GicSecureInterruptMaskSize; Index++) {
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InterruptStatus = MmioRead32 (GicDistributorBase + ARM_GIC_ICDISR + (Index * 4));
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MmioWrite32 (GicDistributorBase + ARM_GIC_ICDISR + (Index * 4), InterruptStatus & (~GicSecureInterruptMask[Index]));
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}
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}
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VOID
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EFIAPI
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ArmGicEnableDistributor (
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IN INTN GicDistributorBase
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)
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{
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// Turn on the GIC distributor
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MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 1);
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}
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VOID
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EFIAPI
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ArmGicSetupNonSecure (
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IN UINTN MpId,
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IN INTN GicDistributorBase,
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IN INTN GicInterruptInterfaceBase
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)
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{
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ArmGicV2SetupNonSecure (MpId, GicDistributorBase, GicInterruptInterfaceBase);
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}
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