RaspberryKernel Class Reference

Represents the Raspberry Pi kernel implementation. More...

#include <RaspberryKernel.h>

Inheritance diagram for RaspberryKernel:

Public Member Functions
	RaspberryKernel (CoreInfo *info)
	Constructor function.
	RaspberryKernel (CoreInfo *info)
	Constructor function.
Public Member Functions inherited from ARMKernel
	ARMKernel (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.
Public Member Functions inherited from ARM64Kernel
	ARM64Kernel (CoreInfo *info)
	Constructor function.

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

Private Attributes
BroadcomInterrupt	m_bcmIntr
	Broadcom specific interrupt controller.
BroadcomTimer	m_bcmTimer
	Broadcom specific timer module.
u8	m_timerIrq
	Interrupt number for the timer.
Broadcom2836	m_bcm
	Broadcom specific registers.
ARM64Timer	m_armTimer
	ARM generic timer.

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.
Protected Attributes inherited from ARMKernel
ARMException	m_exception
	ARM 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.
Protected Attributes inherited from ARM64Kernel
ARM64Exception	m_exception
	ARM64 exception handling subsystem.

Detailed Description

Represents the Raspberry Pi kernel implementation.

Definition at line 40 of file RaspberryKernel.h.

Constructor & Destructor Documentation

RaspberryKernel() [1/2]

RaspberryKernel::RaspberryKernel

(

CoreInfo *

info

)

Constructor function.

Parameters

info	Contains processor core specific information

Definition at line 28 of file RaspberryKernel.cpp.

References BCM_IRQ_SYSTIMERM1, IntController::enable(), ARMException::FIQ, ARMException::install(), interrupt(), ARMException::IRQ, m_armTimer, m_bcm, m_bcmIntr, m_bcmTimer, ARMKernel::m_exception, Kernel::m_intControl, Kernel::m_timer, m_timerIrq, NOTICE, NULL, Broadcom2836::PhysicalTimer1, ARMControl::read(), Broadcom2836::setCoreTimerIrq(), ARM64Timer::setFrequency(), BroadcomTimer::setFrequency(), and ARMControl::SystemFrequency.

RaspberryKernel() [2/2]

RaspberryKernel::RaspberryKernel

(

CoreInfo *

info

)

Constructor function.

Parameters

info	Contains processor core specific information

Member Function Documentation

interrupt() [1/2]

void RaspberryKernel::interrupt ( CPUState  state )

staticprivate

Interrupt handler routine.

Parameters

state

Saved CPU register state

Definition at line 71 of file RaspberryKernel.cpp.

References BCM_IRQ_SYSTIMERM1, MemoryBlock::copy(), ProcessManager::current(), DEBUG, Kernel::executeIntVector(), Broadcom2836::getCoreTimerIrqStatus(), Process::getID(), Kernel::getProcessManager(), WeakSingleton< Kernel >::instance(), IntController::isTriggered(), m_armTimer, m_bcm, Kernel::m_intControl, Kernel::m_timer, m_timerIrq, Broadcom2836::PhysicalTimer1, ProcessManager::schedule(), ARMProcess::setCpuState(), and Timer::tick().

Referenced by RaspberryKernel().

interrupt() [2/2]

static void RaspberryKernel::interrupt ( CPUState  state )

staticprivate

Interrupt handler routine.

Parameters

state

Saved CPU register state

Field Documentation

m_armTimer

ARM64Timer RaspberryKernel::m_armTimer

private

ARM generic timer.

Only used for QEMU

Definition at line 66 of file RaspberryKernel.h.

Referenced by interrupt(), and RaspberryKernel().

m_bcm

Broadcom2836 RaspberryKernel::m_bcm

private

Broadcom specific registers.

Definition at line 64 of file RaspberryKernel.h.

Referenced by interrupt(), and RaspberryKernel().

m_bcmIntr

BroadcomInterrupt RaspberryKernel::m_bcmIntr

private

Broadcom specific interrupt controller.

Definition at line 63 of file RaspberryKernel.h.

Referenced by RaspberryKernel().

m_bcmTimer

BroadcomTimer RaspberryKernel::m_bcmTimer

private

Broadcom specific timer module.

Definition at line 74 of file RaspberryKernel.h.

Referenced by RaspberryKernel().

m_timerIrq

u8 RaspberryKernel::m_timerIrq

private

Interrupt number for the timer.

Definition at line 77 of file RaspberryKernel.h.

Referenced by interrupt(), and RaspberryKernel().

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

• kernel/arm/raspberry/RaspberryKernel.h
• kernel/arm64/raspberry3/RaspberryKernel.h
• kernel/arm/raspberry/RaspberryKernel.cpp
• kernel/arm64/raspberry3/RaspberryKernel.cpp