gem5::KvmKernelGicV3 Class Reference

#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.

Referenced by readCpu(), readDistributor(), and readRedistributor().

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(), getGicReg(), and panic_if.

readDistributor()

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

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 240 of file gic.cc.

References getGicReg().

readRedistributor()

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

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 246 of file gic.cc.

References getGicReg().

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().

Referenced by writeCpu(), writeDistributor(), and writeRedistributor().

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(), panic_if, and setGicReg().

writeDistributor()

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

overridevirtual

Implements gem5::Gicv3Registers.

Definition at line 263 of file gic.cc.

References data, and setGicReg().

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, and setGicReg().

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.

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

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