79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*++
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Copyright (c) 2013-2017, ARM Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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--*/
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#ifndef ARM_GIC_DXE_H_
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#define ARM_GIC_DXE_H_
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#include <Library/ArmGicLib.h>
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#include <Library/ArmLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Protocol/Cpu.h>
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#include <Protocol/HardwareInterrupt.h>
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#include <Protocol/HardwareInterrupt2.h>
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extern UINTN mGicNumInterrupts;
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extern HARDWARE_INTERRUPT_HANDLER *gRegisteredInterruptHandlers;
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// Common API
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EFI_STATUS
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InstallAndRegisterInterruptService (
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IN EFI_HARDWARE_INTERRUPT_PROTOCOL *InterruptProtocol,
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IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *Interrupt2Protocol,
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IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler,
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IN EFI_EVENT_NOTIFY ExitBootServicesEvent
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);
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EFI_STATUS
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EFIAPI
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RegisterInterruptSource (
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IN EFI_HARDWARE_INTERRUPT_PROTOCOL *This,
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IN HARDWARE_INTERRUPT_SOURCE Source,
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IN HARDWARE_INTERRUPT_HANDLER Handler
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);
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// GicV2 API
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EFI_STATUS
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GicV2DxeInitialize (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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// GicV3 API
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EFI_STATUS
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GicV3DxeInitialize (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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// Shared code
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/**
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Calculate GICD_ICFGRn base address and corresponding bit
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field Int_config[1] of the GIC distributor register.
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@param Source Hardware source of the interrupt.
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@param RegAddress Corresponding GICD_ICFGRn base address.
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@param Config1Bit Bit number of F Int_config[1] bit in the register.
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@retval EFI_SUCCESS Source interrupt supported.
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@retval EFI_UNSUPPORTED Source interrupt is not supported.
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**/
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EFI_STATUS
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GicGetDistributorIcfgBaseAndBit (
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IN HARDWARE_INTERRUPT_SOURCE Source,
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OUT UINTN *RegAddress,
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OUT UINTN *Config1Bit
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);
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#endif // ARM_GIC_DXE_H_
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