ArmGicLib.c File Reference

#include <Base.h>
#include <Library/ArmGicLib.h>
#include <Library/ArmLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>

Go to the source code of this file.

Macros
#define	GIC_V3_REDISTRIBUTOR_GRANULARITY
#define	GIC_V4_REDISTRIBUTOR_GRANULARITY
#define	ISENABLER_ADDRESS(base, offset)
#define	ICENABLER_ADDRESS(base, offset)
#define	IPRIORITY_ADDRESS(base, offset)

Functions
STATIC BOOLEAN	SourceIsSpi (IN UINTN Source)
STATIC UINTN	GicGetCpuRedistributorBase (IN UINTN GicRedistributorBase, IN ARM_GIC_ARCH_REVISION Revision)
UINT32 EFIAPI	ArmGicGetInterfaceIdentification (IN UINTN GicInterruptInterfaceBase)
UINTN EFIAPI	ArmGicGetMaxNumInterrupts (IN UINTN GicDistributorBase)
VOID EFIAPI	ArmGicSendSgiTo (IN UINTN GicDistributorBase, IN UINT8 TargetListFilter, IN UINT8 CPUTargetList, IN UINT8 SgiId)
UINTN EFIAPI	ArmGicAcknowledgeInterrupt (IN UINTN GicInterruptInterfaceBase, OUT UINTN *InterruptId)
VOID EFIAPI	ArmGicEndOfInterrupt (IN UINTN GicInterruptInterfaceBase, IN UINTN Source)
VOID EFIAPI	ArmGicSetInterruptPriority (IN UINTN GicDistributorBase, IN UINTN GicRedistributorBase, IN UINTN Source, IN UINT32 Priority)
VOID EFIAPI	ArmGicEnableInterrupt (IN UINTN GicDistributorBase, IN UINTN GicRedistributorBase, IN UINTN Source)
VOID EFIAPI	ArmGicDisableInterrupt (IN UINTN GicDistributorBase, IN UINTN GicRedistributorBase, IN UINTN Source)
BOOLEAN EFIAPI	ArmGicIsInterruptEnabled (IN UINTN GicDistributorBase, IN UINTN GicRedistributorBase, IN UINTN Source)
VOID EFIAPI	ArmGicDisableDistributor (IN UINTN GicDistributorBase)
VOID EFIAPI	ArmGicEnableInterruptInterface (IN UINTN GicInterruptInterfaceBase)
VOID EFIAPI	ArmGicDisableInterruptInterface (IN UINTN GicInterruptInterfaceBase)

Detailed Description

Copyright (c) 2011-2023, Arm Limited. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file ArmGicLib.c.

Macro Definition Documentation

GIC_V3_REDISTRIBUTOR_GRANULARITY

#define GIC_V3_REDISTRIBUTOR_GRANULARITY

Value:

                                           (ARM_GICR_CTLR_FRAME_SIZE           \
                                           + ARM_GICR_SGI_PPI_FRAME_SIZE)

Definition at line 18 of file ArmGicLib.c.

GIC_V4_REDISTRIBUTOR_GRANULARITY

#define GIC_V4_REDISTRIBUTOR_GRANULARITY

Value:

                                           (GIC_V3_REDISTRIBUTOR_GRANULARITY   \
                                           + ARM_GICR_SGI_VLPI_FRAME_SIZE     \
                                           + ARM_GICR_SGI_RESERVED_FRAME_SIZE)

Definition at line 23 of file ArmGicLib.c.

ICENABLER_ADDRESS

#define ICENABLER_ADDRESS	(		base,
			offset
	)

Value:

          ((base) +\
          ARM_GICR_CTLR_FRAME_SIZE + ARM_GICR_ICENABLER + 4 * (offset))

Definition at line 30 of file ArmGicLib.c.

IPRIORITY_ADDRESS

#define IPRIORITY_ADDRESS	(		base,
			offset
	)

Value:

          ((base) +\
          ARM_GICR_CTLR_FRAME_SIZE + ARM_GIC_ICDIPR + 4 * (offset))

Definition at line 33 of file ArmGicLib.c.

ISENABLER_ADDRESS

#define ISENABLER_ADDRESS	(		base,
			offset
	)

Value:

          ((base) +\
          ARM_GICR_CTLR_FRAME_SIZE + ARM_GICR_ISENABLER + 4 * (offset))

Definition at line 27 of file ArmGicLib.c.

Function Documentation

ArmGicAcknowledgeInterrupt()

UINTN EFIAPI ArmGicAcknowledgeInterrupt	(	IN UINTN	GicInterruptInterfaceBase,
		OUT UINTN *	InterruptId
	)

Definition at line 173 of file ArmGicLib.c.

ArmGicDisableDistributor()

VOID EFIAPI ArmGicDisableDistributor

(

IN UINTN

GicDistributorBase

)

Definition at line 405 of file ArmGicLib.c.

ArmGicDisableInterrupt()

VOID EFIAPI ArmGicDisableInterrupt	(	IN UINTN	GicDistributorBase,
		IN UINTN	GicRedistributorBase,
		IN UINTN	Source
	)

Definition at line 317 of file ArmGicLib.c.

ArmGicDisableInterruptInterface()

VOID EFIAPI ArmGicDisableInterruptInterface

(

IN UINTN

GicInterruptInterfaceBase

)

Definition at line 433 of file ArmGicLib.c.

ArmGicEnableInterrupt()

VOID EFIAPI ArmGicEnableInterrupt	(	IN UINTN	GicDistributorBase,
		IN UINTN	GicRedistributorBase,
		IN UINTN	Source
	)

Definition at line 272 of file ArmGicLib.c.

ArmGicEnableInterruptInterface()

VOID EFIAPI ArmGicEnableInterruptInterface

(

IN UINTN

GicInterruptInterfaceBase

)

Definition at line 415 of file ArmGicLib.c.

ArmGicEndOfInterrupt()

VOID EFIAPI ArmGicEndOfInterrupt	(	IN UINTN	GicInterruptInterfaceBase,
		IN UINTN	Source
	)

Definition at line 208 of file ArmGicLib.c.

ArmGicGetInterfaceIdentification()

UINT32 EFIAPI ArmGicGetInterfaceIdentification

(

IN UINTN

GicInterruptInterfaceBase

)

Return the GIC CPU Interrupt Interface ID.

Parameters

GicInterruptInterfaceBase

Base address of the GIC Interrupt Interface.

Return values

CPU	Interface Identification information.

Definition at line 116 of file ArmGicLib.c.

ArmGicGetMaxNumInterrupts()

UINTN EFIAPI ArmGicGetMaxNumInterrupts

(

IN UINTN

GicDistributorBase

)

Definition at line 126 of file ArmGicLib.c.

ArmGicIsInterruptEnabled()

BOOLEAN EFIAPI ArmGicIsInterruptEnabled	(	IN UINTN	GicDistributorBase,
		IN UINTN	GicRedistributorBase,
		IN UINTN	Source
	)

Definition at line 361 of file ArmGicLib.c.

ArmGicSendSgiTo()

VOID EFIAPI ArmGicSendSgiTo	(	IN UINTN	GicDistributorBase,
		IN UINT8	TargetListFilter,
		IN UINT8	CPUTargetList,
		IN UINT8	SgiId
	)

Definition at line 142 of file ArmGicLib.c.

ArmGicSetInterruptPriority()

VOID EFIAPI ArmGicSetInterruptPriority	(	IN UINTN	GicDistributorBase,
		IN UINTN	GicRedistributorBase,
		IN UINTN	Source,
		IN UINT32	Priority
	)

Definition at line 227 of file ArmGicLib.c.

GicGetCpuRedistributorBase()

STATIC UINTN GicGetCpuRedistributorBase	(	IN UINTN	GicRedistributorBase,
		IN ARM_GIC_ARCH_REVISION	Revision
	)

Return the base address of the GIC redistributor for the current CPU

Parameters

Revision

GIC Revision. The GIC redistributor might have a different granularity following the GIC revision.

Return values

Base	address of the associated GIC Redistributor

Definition at line 59 of file ArmGicLib.c.

SourceIsSpi()

STATIC BOOLEAN SourceIsSpi

(

IN UINTN

Source

)

Return whether the Source interrupt index refers to a shared interrupt (SPI)

Definition at line 42 of file ArmGicLib.c.