HostHpet Class Reference

Use the HPET as timer backend. More...

Inheritance diagram for HostHpet:

Public Member Functions
bool	receive (MessageIrq &msg)
bool	receive (MessageTimer &msg)
	HostHpet (DBus< MessageTimeout > &bus_timeout, DBus< MessageHostOp > &bus_hostop, Clock *clock, void *iomem, unsigned timer, unsigned theirq, bool level, unsigned long maxfreq)
Public Member Functions inherited from StaticReceiver< HostHpet >
	StaticReceiver ()
Public Member Functions inherited from Device
void	debug_dump ()
	Device (const char *debug_name)

Private Attributes
DBus< MessageTimeout > &	_bus_timeout
Clock *	_clock
struct HostHpetRegister *	_regs
unsigned	_isrclear
struct HostHpetTimer *	_timerreg
unsigned	_irq
timevalue	_freq
unsigned	_mindelta

Additional Inherited Members
Public Types inherited from BasicHpet
enum	{   ENABLE_CNF = (1U << 0), LEG_RT_CNF = (1U << 1), LEG_RT_CAP = (1U << 15), BIT64_CAP = (1U << 13),   FSB_INT_DEL_CAP = (1U << 15), FSB_INT_EN_CNF = (1U << 14), MODE32_CNF = (1U << 8), PER_INT_CAP = (1U << 4),   TYPE_CNF = (1U << 3), INT_ENB_CNF = (1U << 2), INT_TYPE_CNF = (1U << 1) }
Static Public Member Functions inherited from BasicHpet
static unsigned long	get_hpet_address (DBus< MessageAcpi > &bus_acpi)
	Get the HPET address from the ACPI table.
static uint16	get_hpet_rid (DBus< MessageAcpi > &bus_acpi, unsigned block, unsigned comparator)
	Try to find out HPET routing ID.
static bool	check_hpet_present (void *address, unsigned timer, unsigned irq)
	Check whether some address points to an hpet.
Static Public Member Functions inherited from StaticReceiver< HostHpet >
static bool	receive_static (Device *o, M &msg)

Detailed Description

Use the HPET as timer backend.

State: testing Features: periodic timer, support different timers, one-shot, HPET ACPI table, MSI

Constructor & Destructor Documentation

HostHpet::HostHpet ( DBus< MessageTimeout > &  bus_timeout, DBus< MessageHostOp > &  bus_hostop, Clock *  clock, void *  iomem, unsigned  timer, unsigned  theirq, bool  level, unsigned long  maxfreq  )

inline

Member Function Documentation

bool HostHpet::receive ( MessageIrq &  msg )

inline

bool HostHpet::receive ( MessageTimer &  msg )

inline

Use the same heuristic as in Linux 2.6.37 to avoid various corner cases. See 995bd3bb5c78f3ff71339803c0b8337ed36d64fb for a detailed explanation.

Member Data Documentation

DBus<MessageTimeout>& HostHpet::_bus_timeout

private

Clock* HostHpet::_clock

private

timevalue HostHpet::_freq

private

unsigned HostHpet::_irq

private

unsigned HostHpet::_isrclear

private

unsigned HostHpet::_mindelta

private

struct HostHpetRegister* HostHpet::_regs

private

struct HostHpetTimer* HostHpet::_timerreg

private

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

• base/host/hosthpet.cc