PciHostBridge Class Reference

A PCI host bridge. More...

Inheritance diagram for PciHostBridge:

Public Member Functions
bool	receive (MessageIOIn &msg)
bool	receive (MessageIOOut &msg)
bool	receive (MessageMem &msg)
	MMConfig access.
bool	receive (MessagePciConfig &msg)
bool	receive (MessageLegacy &msg)
bool	receive (MessageBios &msg)
	PCI BIOS functions.
void	discovery ()
	PciHostBridge (Motherboard &mb, unsigned busnum, unsigned buscount, unsigned short iobase, unsigned long membase)
Public Member Functions inherited from StaticReceiver< PciHostBridge >
	StaticReceiver ()
Public Member Functions inherited from Device
void	debug_dump ()
	Device (const char *debug_name)

Public Attributes
Motherboard &	_mb

Private Member Functions
unsigned	read_pcicfg (bool &res)
	Read the PCI config space.

Private Attributes
unsigned	_busnum
unsigned	_buscount
unsigned short	_iobase
unsigned long	_membase
unsigned	_confaddress
unsigned char	_cf9

Additional Inherited Members
Static Public Member Functions inherited from DiscoveryHelper< PciHostBridge >
static bool	discover (Device *o, MessageDiscovery &msg)
Static Public Member Functions inherited from StaticReceiver< PciHostBridge >
static bool	receive_static (Device *o, M &msg)
Protected Member Functions inherited from DiscoveryHelper< PciHostBridge >
bool	discovery_write_st (const char *resource, unsigned offset, const void *value, unsigned count)
bool	discovery_write_dw (const char *resource, unsigned offset, unsigned value, unsigned count=4)
	Write a dword or less than it.
bool	discovery_read_dw (const char *resource, unsigned offset, unsigned &value)
	Read a dword.
unsigned	discovery_length (const char *resource, unsigned minlen)
	Return the length of an ACPI table or minlen if it is smaller.

Detailed Description

A PCI host bridge.

State: unstable Features: ConfigSpace, BusReset, MMConfig, PCI BIOS Missing: LogicalPCI bus

Constructor & Destructor Documentation

PciHostBridge::PciHostBridge ( Motherboard &  mb, unsigned  busnum, unsigned  buscount, unsigned short  iobase, unsigned long  membase  )

inline

Member Function Documentation

void PciHostBridge::discovery ( )

inline

unsigned PciHostBridge::read_pcicfg ( bool &  res )

inlineprivate

Read the PCI config space.

bool PciHostBridge::receive ( MessageIOIn &  msg )

inline

bool PciHostBridge::receive ( MessageIOOut &  msg )

inline

According to http://www.cs.helsinki.fi/linux/linux-kernel/2003-01/1126.html this is a way to switch between PCI configuration method 2 and

1. We simply ignore the access.

Reset via 0xcf9 method.

bool PciHostBridge::receive ( MessageMem &  msg )

inline

MMConfig access.

bool PciHostBridge::receive ( MessagePciConfig &  msg )

inline

bool PciHostBridge::receive ( MessageLegacy &  msg )

inline

bool PciHostBridge::receive ( MessageBios &  msg )

inline

PCI BIOS functions.

Member Data Documentation

unsigned PciHostBridge::_buscount

private

unsigned PciHostBridge::_busnum

private

unsigned char PciHostBridge::_cf9

private

unsigned PciHostBridge::_confaddress

private

unsigned short PciHostBridge::_iobase

private

Motherboard& PciHostBridge::_mb

unsigned long PciHostBridge::_membase

private

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

• vancouver/model/pcihostbridge.cc