#include <gic.hh>

Inheritance diagram for gem5::KvmKernelGicV3:

Public Member Functions
	KvmKernelGicV3 (KvmVM &vm, const MuxingKvmGicV3Params &params)
	Instantiate a KVM in-kernel GICv3 model.

void	init () override

uint32_t	readDistributor (Addr daddr) override

uint32_t	readRedistributor (const ArmISA::Affinity &aff, Addr daddr) override

RegVal	readCpu (const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg) override

void	writeDistributor (Addr daddr, uint32_t data) override

void	writeRedistributor (const ArmISA::Affinity &aff, Addr daddr, uint32_t data) override

void	writeCpu (const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg, RegVal data) override

Public Member Functions inherited from gem5::KvmKernelGic
	KvmKernelGic (KvmVM &vm, uint32_t dev, unsigned it_lines)
	Instantiate a KVM in-kernel GIC model.

virtual	~KvmKernelGic ()

	KvmKernelGic (const KvmKernelGic &other)=delete

	KvmKernelGic (const KvmKernelGic &&other)=delete

KvmKernelGic &	operator= (const KvmKernelGic &&rhs)=delete

KvmKernelGic &	operator= (const KvmKernelGic &rhs)=delete

void	setSPI (unsigned spi)
	Raise a shared peripheral interrupt.

void	clearSPI (unsigned spi)
	Clear a shared peripheral interrupt.

void	setPPI (unsigned vcpu, unsigned ppi)
	Raise a private peripheral interrupt.

void	clearPPI (unsigned vcpu, unsigned ppi)
	Clear a private peripheral interrupt.

Protected Member Functions
template<typename Ret >
Ret	getGicReg (unsigned group, unsigned mpidr, unsigned offset)
	Get value of GIC register "from" a cpu.

template<typename Arg >
void	setGicReg (unsigned group, unsigned mpidr, unsigned offset, Arg value)
	Set value of GIC register "from" a cpu.

Protected Member Functions inherited from gem5::KvmKernelGic
void	setIntState (unsigned type, unsigned vcpu, unsigned irq, bool high)
	Update the kernel's VGIC interrupt state.

Private Attributes
const AddrRange	redistRange
	Address range for the redistributor.

const AddrRange	distRange
	Address range for the distributor.

Additional Inherited Members
Static Protected Member Functions inherited from gem5::Gicv3Registers
static void	copyDistRegister (Gicv3Registers from, Gicv3Registers to, Addr daddr)

static void	copyRedistRegister (Gicv3Registers from, Gicv3Registers to, const ArmISA::Affinity &aff, Addr daddr)

static void	copyCpuRegister (Gicv3Registers from, Gicv3Registers to, const ArmISA::Affinity &aff, ArmISA::MiscRegIndex misc_reg)

static void	clearRedistRegister (Gicv3Registers *to, const ArmISA::Affinity &aff, Addr daddr)

static void	copyRedistRange (Gicv3Registers from, Gicv3Registers to, const ArmISA::Affinity &aff, Addr daddr, size_t size)

static void	copyDistRange (Gicv3Registers from, Gicv3Registers to, Addr daddr, size_t size)

static void	clearDistRange (Gicv3Registers *to, Addr daddr, size_t size)

Protected Attributes inherited from gem5::KvmKernelGic
KvmVM &	vm
	KVM VM in the parent system.

KvmDevice	kdev
	Kernel interface to the GIC.

Detailed Description

Definition at line 191 of file gic.hh.

Constructor & Destructor Documentation

◆ KvmKernelGicV3()

gem5::KvmKernelGicV3::KvmKernelGicV3	(	KvmVM &	vm,
		const MuxingKvmGicV3Params &	params
	)

Instantiate a KVM in-kernel GICv3 model.

This constructor instantiates an in-kernel GICv3 model and wires it up to the virtual memory system.

Parameters

vm	KVM VM representing this system
params	MuxingKvmGicV3 parameters

Definition at line 190 of file gic.cc.

References gem5::KvmKernelGic::kdev, gem5::MipsISA::p, and gem5::KvmDevice::setAttr().

Member Function Documentation

◆ getGicReg()

template<typename Ret >

Ret gem5::KvmKernelGicV3::getGicReg	(	unsigned	group,
		unsigned	mpidr,
		unsigned	offset
	)

protected

Get value of GIC register "from" a cpu.

Parameters

group	Distributor or CPU (KVM_DEV_ARM_VGIC_GRP_{DIST,CPU}_REGS)
mpidr	CPU affinity numbers
offset	register offset

Definition at line 211 of file gic.cc.

References gem5::ArmISA::attr, gem5::KvmDevice::getAttrPtr(), gem5::KvmKernelGic::kdev, gem5::ArmISA::offset, and gem5::X86ISA::reg.

◆ init()

void gem5::KvmKernelGicV3::init ( )

overridevirtual

Reimplemented from gem5::KvmKernelGic.

Definition at line 203 of file gic.cc.

References gem5::KvmKernelGic::kdev, and gem5::KvmDevice::setAttr().

◆ readCpu()

RegVal gem5::KvmKernelGicV3::readCpu	(	const ArmISA::Affinity &	aff,
		ArmISA::MiscRegIndex	misc_reg
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 252 of file gic.cc.

References gem5::ArmISA::encodeAArch64SysReg(), and panic_if.

◆ readDistributor()

uint32_t gem5::KvmKernelGicV3::readDistributor ( Addr daddr )

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 240 of file gic.cc.

◆ readRedistributor()

uint32_t gem5::KvmKernelGicV3::readRedistributor	(	const ArmISA::Affinity &	aff,
		Addr	daddr
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 246 of file gic.cc.

◆ setGicReg()

template<typename Arg >

void gem5::KvmKernelGicV3::setGicReg	(	unsigned	group,
		unsigned	mpidr,
		unsigned	offset,
		Arg	value
	)

protected

Set value of GIC register "from" a cpu.

Parameters

group	Distributor or CPU (KVM_DEV_ARM_VGIC_GRP_{DIST,CPU}_REGS)
mpidr	CPU affinity numbers
offset	register offset
value	value to set register to

Definition at line 226 of file gic.cc.

References gem5::ArmISA::attr, gem5::KvmKernelGic::kdev, gem5::ArmISA::offset, gem5::X86ISA::reg, and gem5::KvmDevice::setAttrPtr().

◆ writeCpu()

void gem5::KvmKernelGicV3::writeCpu	(	const ArmISA::Affinity &	aff,
		ArmISA::MiscRegIndex	misc_reg,
		RegVal	data
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 276 of file gic.cc.

References data, gem5::ArmISA::encodeAArch64SysReg(), and panic_if.

◆ writeDistributor()

void gem5::KvmKernelGicV3::writeDistributor	(	Addr	daddr,
		uint32_t	data
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 263 of file gic.cc.

References data.

◆ writeRedistributor()

void gem5::KvmKernelGicV3::writeRedistributor	(	const ArmISA::Affinity &	aff,
		Addr	daddr,
		uint32_t	data
	)

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 269 of file gic.cc.

References data.

Member Data Documentation

◆ distRange

const AddrRange gem5::KvmKernelGicV3::distRange

private

Address range for the distributor.

Definition at line 248 of file gic.hh.

◆ redistRange

const AddrRange gem5::KvmKernelGicV3::redistRange

private

Address range for the redistributor.

Definition at line 246 of file gic.hh.

The documentation for this class was generated from the following files:

arch/arm/kvm/gic.hh
arch/arm/kvm/gic.cc

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ KvmKernelGicV3()

Member Function Documentation

◆ getGicReg()

◆ init()

◆ readCpu()

◆ readDistributor()

◆ readRedistributor()

◆ setGicReg()

◆ writeCpu()

◆ writeDistributor()

◆ writeRedistributor()

Member Data Documentation

◆ distRange

◆ redistRange