ARM64Kernel Class Reference

Represents the ARM64 kernel implementation. More...

#include <ARM64Kernel.h>

Inheritance diagram for ARM64Kernel:

Public Member Functions
	ARM64Kernel (CoreInfo *info)
	Constructor function.
Public Member Functions inherited from Kernel
	Kernel (CoreInfo *info)
	Constructor function.
SplitAllocator *	getAllocator ()
	Get physical memory allocator.
ProcessManager *	getProcessManager ()
	Get process manager.
API *	getAPI ()
	Get API.
MemoryContext *	getMemoryContext ()
	Get the current MMU context.
CoreInfo *	getCoreInfo ()
	Get CoreInfo.
Timer *	getTimer ()
	Get Timer.
int	run ()
	Execute the kernel.
virtual void	enableIRQ (u32 irq, bool enabled)
	Enable or disable an hardware interrupt (IRQ).
virtual Result	sendIRQ (const uint coreId, const uint irq)
	Send a inter-processor-interrupt (IPI) to another core.
virtual void	hookIntVector (u32 vec, InterruptHandler h, ulong p)
	Hooks a function to an hardware interrupt.
virtual void	executeIntVector (u32 vec, CPUState *state)
	Execute an interrupt handler.
virtual Result	loadBootImage ()
	Loads the boot image.
Public Member Functions inherited from WeakSingleton< Kernel >
	WeakSingleton (Kernel *obj)
	Constructor.

Protected Attributes
ARM64Exception	m_exception
	ARM64 exception handling subsystem.
Protected Attributes inherited from Kernel
SplitAllocator *	m_alloc
	Physical memory allocator.
ProcessManager *	m_procs
	Process Manager.
API *	m_api
	API handlers object.
CoreInfo *	m_coreInfo
	CoreInfo object for this core.
Vector< List< InterruptHook * > * >	m_interrupts
	Interrupt handlers.
IntController *	m_intControl
	Interrupt Controller.
Timer *	m_timer
	Timer device.

Static Private Member Functions
static void	trap (volatile CPUState &state)
	Software trap routine.
static void	SyncExceptionEL1 (volatile CPUState state)
	Synchronous exceptions from EL1.
static void	SyncExceptionEL0 (volatile CPUState state)
	Synchronous exceptions from EL0.
static void	FatalHandler (volatile CPUState state)
	Fatal errors.

Additional Inherited Members
Public Types inherited from Kernel
enum	Result { Success , InvalidBootImage , ProcessError , IOError }
	Result codes. More...
Static Public Member Functions inherited from Kernel
static Error	initializeHeap ()
	Initialize heap.
Static Public Member Functions inherited from WeakSingleton< Kernel >
static Kernel *	instance ()
	Retrieve the instance.

Detailed Description

Represents the ARM64 kernel implementation.

Definition at line 38 of file ARM64Kernel.h.

Constructor & Destructor Documentation

ARM64Kernel()

ARM64Kernel::ARM64Kernel

(

CoreInfo *

info

)

Constructor function.

Parameters

info	Contains processor core specific information

Definition at line 71 of file ARM64Kernel.cpp.

References SplitAllocator::allocate(), CoreInfo::coreId, FatalHandler(), ARM64Exception::FIQ_Lower_EL, ARM64Exception::FIQ_Lower_EL_AA32, ARM64Exception::FIQ_SP_EL0, ARM64Exception::FIQ_SP_ELx, ARM64Exception::install(), ARM64Exception::IRQ_Lower_EL, ARM64Exception::IRQ_Lower_EL_AA32, ARM64Exception::IRQ_SP_EL0, ARM64Exception::IRQ_SP_ELx, CoreInfo::kernel, Kernel::m_alloc, Kernel::m_coreInfo, m_exception, NOTICE, PAGESIZE, Memory::Range::phys, ARM64Exception::SError_Lower_EL, ARM64Exception::SError_Lower_EL_AA32, ARM64Exception::SError_SP_EL0, ARM64Exception::SError_SP_ELx, ARM64Exception::Sync_Lower_EL, ARM64Exception::Sync_Lower_EL_AA32, ARM64Exception::Sync_SP_EL0, ARM64Exception::Sync_SP_ELx, SyncExceptionEL0(), and SyncExceptionEL1().

Member Function Documentation

FatalHandler()

void ARM64Kernel::FatalHandler ( volatile CPUState  state )

staticprivate

Fatal errors.

Parameters

state

Saved CPU register state

Definition at line 31 of file ARM64Kernel.cpp.

References FATAL.

Referenced by ARM64Kernel().

SyncExceptionEL0()

void ARM64Kernel::SyncExceptionEL0 ( volatile CPUState  state )

staticprivate

Synchronous exceptions from EL0.

Parameters

state

Saved CPU register state

Definition at line 36 of file ARM64Kernel.cpp.

References ERROR, CPUState::esr, exception_code, CPUState::far, and trap().

Referenced by ARM64Kernel().

SyncExceptionEL1()

void ARM64Kernel::SyncExceptionEL1 ( volatile CPUState  state )

staticprivate

Synchronous exceptions from EL1.

Parameters

state

Saved CPU register state

Definition at line 52 of file ARM64Kernel.cpp.

References ERROR, CPUState::esr, exception_code, CPUState::far, and NOTICE.

Referenced by ARM64Kernel().

trap()

void ARM64Kernel::trap ( volatile CPUState &  state )

staticprivate

Software trap routine.

Parameters

state

Saved CPU register state

Definition at line 106 of file ARM64Kernel.cpp.

References MemoryBlock::copy(), CoreInfo::coreId, coreInfo, ProcessManager::current(), DEBUG, ProcessManager::get(), Kernel::getAPI(), Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), API::invoke(), NULL, ARM64Process::setCpuState(), CPUState::x0, CPUState::x1, CPUState::x2, CPUState::x3, CPUState::x4, and CPUState::x8.

Referenced by SyncExceptionEL0().

Field Documentation

m_exception

ARM64Exception ARM64Kernel::m_exception

protected

ARM64 exception handling subsystem.

Definition at line 80 of file ARM64Kernel.h.

Referenced by ARM64Kernel().

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

• kernel/arm64/ARM64Kernel.h
• kernel/arm64/ARM64Kernel.cpp