Represents the ARM kernel implementation. More...

#include <ARMKernel.h>

Inheritance diagram for ARMKernel:

Public Member Functions
	ARMKernel (CoreInfo *info)
	Constructor function. More...

Public Member Functions inherited from Kernel
	Kernel (CoreInfo *info)
	Constructor function. More...

SplitAllocator *	getAllocator ()
	Get physical memory allocator. More...

ProcessManager *	getProcessManager ()
	Get process manager. More...

API *	getAPI ()
	Get API. More...

MemoryContext *	getMemoryContext ()
	Get the current MMU context. More...

CoreInfo *	getCoreInfo ()
	Get CoreInfo. More...

Timer *	getTimer ()
	Get Timer. More...

int	run ()
	Execute the kernel. More...

virtual void	enableIRQ (u32 irq, bool enabled)
	Enable or disable an hardware interrupt (IRQ). More...

virtual Result	sendIRQ (const uint coreId, const uint irq)
	Send a inter-processor-interrupt (IPI) to another core. More...

virtual void	hookIntVector (u32 vec, InterruptHandler h, ulong p)
	Hooks a function to an hardware interrupt. More...

virtual void	executeIntVector (u32 vec, CPUState *state)
	Execute an interrupt handler. More...

virtual Result	loadBootImage ()
	Loads the boot image. More...

Public Member Functions inherited from WeakSingleton< Kernel >
	WeakSingleton (Kernel *obj)
	Constructor. More...

Protected Attributes
ARMException	m_exception
	ARM exception handling subsystem. More...

Protected Attributes inherited from Kernel
SplitAllocator *	m_alloc
	Physical memory allocator. More...

ProcessManager *	m_procs
	Process Manager. More...

API *	m_api
	API handlers object. More...

CoreInfo *	m_coreInfo
	CoreInfo object for this core. More...

Vector< List< InterruptHook * > * >	m_interrupts
	Interrupt handlers. More...

IntController *	m_intControl
	Interrupt Controller. More...

Timer *	m_timer
	Timer device. More...

Static Private Member Functions
static void	interrupt (CPUState state)
	Interrupt handler routine. More...

static void	trap (CPUState state)
	Software trap routine. More...

static void	undefinedInstruction (CPUState state)
	Undefined instruction routine. More...

static void	prefetchAbort (CPUState state)
	Prefetch abort routine. More...

static void	dataAbort (CPUState state)
	Data abort routine. More...

static void	reserved (CPUState state)
	Reserved routine. More...

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. More...

Static Public Member Functions inherited from WeakSingleton< Kernel >
static Kernel *	instance ()
	Retrieve the instance. More...

Detailed Description

Represents the ARM kernel implementation.

Definition at line 40 of file ARMKernel.h.

Constructor & Destructor Documentation

◆ ARMKernel()

ARMKernel::ARMKernel ( CoreInfo * info )

Constructor function.

Parameters

info	Contains processor core specific information

Definition at line 28 of file ARMKernel.cpp.

References ARMControl::AlignmentCorrect, ARMControl::AlignmentFaults, SplitAllocator::allocate(), ARMControl::BigEndian, CoreInfo::coreId, ARMException::DataAbort, dataAbort(), ARMException::FIQ, ARMException::install(), interrupt(), ARMException::IRQ, Kernel::m_alloc, Kernel::m_coreInfo, m_exception, MegaByte, CoreInfo::memory, NOTICE, PAGESIZE, Memory::Range::phys, ARMException::PrefetchAbort, prefetchAbort(), ARMException::Reserved, reserved(), ARMControl::set(), ARMException::SoftwareInterrupt, trap(), ARMException::UndefinedInstruction, undefinedInstruction(), and ARMControl::unset().

Member Function Documentation

◆ dataAbort()

void ARMKernel::dataAbort ( CPUState state )

staticprivate

Data abort routine.

Parameters

state Saved CPU register state

Definition at line 101 of file ARMKernel.cpp.

References CoreInfo::coreId, coreInfo, ProcessManager::current(), FATAL, Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), and ARMCore::logException().

Referenced by ARMKernel().

◆ interrupt()

void ARMKernel::interrupt ( CPUState state )

staticprivate

Interrupt handler routine.

Parameters

state Saved CPU register state

Definition at line 74 of file ARMKernel.cpp.

References CoreInfo::coreId, coreInfo, ProcessManager::current(), FATAL, Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), and ARMCore::logException().

Referenced by ARMKernel().

◆ prefetchAbort()

void ARMKernel::prefetchAbort ( CPUState state )

staticprivate

Prefetch abort routine.

Parameters

state Saved CPU register state

Definition at line 92 of file ARMKernel.cpp.

References CoreInfo::coreId, coreInfo, ProcessManager::current(), FATAL, Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), and ARMCore::logException().

Referenced by ARMKernel().

◆ reserved()

void ARMKernel::reserved ( CPUState state )

staticprivate

Reserved routine.

Parameters

state Saved CPU register state

Definition at line 111 of file ARMKernel.cpp.

References CoreInfo::coreId, coreInfo, ProcessManager::current(), FATAL, Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), and ARMCore::logException().

Referenced by ARMKernel().

◆ trap()

void ARMKernel::trap ( CPUState state )

staticprivate

Software trap routine.

Parameters

state Saved CPU register state

Definition at line 120 of file ARMKernel.cpp.

References MemoryBlock::copy(), CoreInfo::coreId, coreInfo, ProcessManager::current(), DEBUG, ProcessManager::get(), Kernel::getAPI(), Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), API::invoke(), NULL, CPUState::r0, CPUState::r1, CPUState::r2, CPUState::r3, CPUState::r4, CPUState::r5, and ARMProcess::setCpuState().

Referenced by ARMKernel().

◆ undefinedInstruction()

void ARMKernel::undefinedInstruction ( CPUState state )

staticprivate

Undefined instruction routine.

Parameters

state Saved CPU register state

Definition at line 83 of file ARMKernel.cpp.

References CoreInfo::coreId, coreInfo, ProcessManager::current(), FATAL, Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), and ARMCore::logException().

Referenced by ARMKernel().

Field Documentation

◆ m_exception

ARMException ARMKernel::m_exception

protected

ARM exception handling subsystem.

Definition at line 98 of file ARMKernel.h.

Referenced by ARMKernel(), RaspberryKernel::RaspberryKernel(), and SunxiKernel::SunxiKernel().

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

kernel/arm/ARMKernel.h
kernel/arm/ARMKernel.cpp

Public Member Functions

Protected Attributes

Static Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ARMKernel()

Member Function Documentation

◆ dataAbort()

◆ interrupt()

◆ prefetchAbort()

◆ reserved()

◆ trap()

◆ undefinedInstruction()

Field Documentation

◆ m_exception