i10_pci.c File Reference

#include <fcntl.h>
#include <unistd.h>
#include <malloc.h>
#include <stdio.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include "AsmMacros.h"
#include "pci.h"

Defines
#define	RESORT   1
#define	FIX_ROM   0
#define	PCI_EN   0x80000000
Functions
static void	readConfigSpaceCfg1 (CARD32 bus, CARD32 dev, CARD32 func, CARD32 *reg)
static int	checkSlotCfg1 (CARD32 bus, CARD32 dev, CARD32 func)
static int	checkSlotCfg2 (CARD32 bus, int dev)
static void	readConfigSpaceCfg2 (CARD32 bus, int dev, CARD32 *reg)
static CARD8	interpretConfigSpace (CARD32 *reg, int busidx, CARD8 dev, CARD8 func)
static CARD32	findBIOSMap (PciStructPtr pciP, CARD32 *biosSize)
static void	restoreMem (PciStructPtr pciP)
static CARD32	readPciCfg1 (CARD32 reg)
static void	writePciCfg1 (CARD32 reg, CARD32 val)
static CARD32	readPciCfg2 (CARD32 reg)
static void	writePciCfg2 (CARD32 reg, CARD32 val)
void	scan_pci (int pci_cfg_method)
void	pciVideoDisable (void)
void	pciVideoRestore (void)
void	EnableCurrent ()
CARD8	PciRead8 (int offset, CARD32 Slot)
CARD16	PciRead16 (int offset, CARD32 Slot)
CARD32	PciRead32 (int offset, CARD32 Slot)
void	PciWrite8 (int offset, CARD8 byte, CARD32 Slot)
void	PciWrite16 (int offset, CARD16 word, CARD32 Slot)
void	PciWrite32 (int offset, CARD32 lg, CARD32 Slot)
int	mapPciRom (PciStructPtr pciP)
CARD32	findPci (CARD16 slotBX)
CARD16	pciSlotBX (PciStructPtr pPci)
PciStructPtr	findPciDevice (CARD16 vendorID, CARD16 deviceID, char n)
PciStructPtr	findPciClass (CARD8 intf, CARD8 subClass, CARD16 class, char n)
static int	remapMem (PciStructPtr pciP, int num, CARD32 size)
int	cfg1out (CARD16 addr, CARD32 val)
int	cfg1in (CARD16 addr, CARD32 *val)
PciStructPtr	findPciByIDs (int bus, int dev, int func)
Variables
PciStructPtr	PciStruct = NULL
PciBusPtr	PciBuses = NULL
PciStructPtr	CurrentPci = NULL
PciStructPtr	PciList = NULL
int	pciMaxBus = 0
static CARD32	PciCfg1Addr
static CARD32(*	readPci )(CARD32 reg) = readPciCfg1
static void(*	writePci )(CARD32 reg, CARD32 val) = writePciCfg1
static int	numbus
static int	hostbridges = 1
static unsigned long	pciMinMemReg = ~0
static CARD32	remapMEM_val
static int	remapMEM_num

---

Define Documentation

#define FIX_ROM   0

Referenced by mapPciRom().

#define PCI_EN   0x80000000

Referenced by checkSlotCfg1(), findPci(), interpretConfigSpace(), readConfigSpaceCfg1(), and scan_pci().

#define RESORT   1

Referenced by scan_pci().

---

Function Documentation

int cfg1in	(	CARD16	addr,
		CARD32 *	val
	)

References PciCfg1Addr, and readPci.

int cfg1out	(	CARD16	addr,
		CARD32	val
	)

References PciCfg1Addr, val, and writePci.

static int checkSlotCfg1	(	CARD32	bus,
		CARD32	dev,
		CARD32	func
	)		[static]

References PCI_EN, PCI_MODE1_ADDRESS_REG, and PCI_MODE1_DATA_REG.

Referenced by scan_pci().

static int checkSlotCfg2	(	CARD32	bus,
		int	dev
	)		[static]

References PCI_MODE2_ENABLE_REG, PCI_MODE2_FORWARD_REG, and val.

Referenced by scan_pci().

void EnableCurrent

(

void

)

References pciBusRec::bctl, pciStructRec::cmd_st, CurrentPci, PciSlot::l, pciBusRec::pBus, pciStructRec::pBus, pciVideoDisable(), pciStructRec::RomBase, pciStructRec::Slot, pciBusRec::Slot, and writePci.

static CARD32 findBIOSMap	(	PciStructPtr	pciP,
		CARD32 *	biosSize
	)		[static]

References pciStructRec::bus, PciSlot::l, pciStructRec::next, PciRead32(), PciStruct, PciWrite32(), remapMem(), pciStructRec::RomBase, pciStructRec::Slot, and val.

Referenced by mapPciRom().

CARD32 findPci

(

CARD16

slotBX

)

References PciSlot::l, pciStructRec::next, pciBusRec::next, pciStructRec::pBus, PCI_EN, PciStruct, pciBusRec::Slot, and pciStructRec::Slot.

Referenced by int1A_handler().

PciStructPtr findPciByIDs	(	int	bus,
		int	dev,
		int	func
	)

References pciStructRec::bus, pciStructRec::dev, pciStructRec::func, pciStructRec::next, and PciList.

PciStructPtr findPciClass	(	CARD8	intf,
		CARD8	subClass,
		CARD16	class,
		char	n
	)

References pciStructRec::BaseClass, CurrentPci, pciStructRec::Interface, pciStructRec::next, and pciStructRec::SubClass.

PciStructPtr findPciDevice	(	CARD16	vendorID,
		CARD16	deviceID,
		char	n
	)

References CurrentPci, pciStructRec::DeviceID, pciStructRec::next, and pciStructRec::VendorID.

static CARD8 interpretConfigSpace	(	CARD32 *	reg,
		int	busidx,
		CARD8	dev,
		CARD8	func
	)		[static]

References pciStructRec::active, pciStructRec::BaseClass, pciBusRec::bctl, BRIDGE_CLASS, BRIDGE_HOST_CLASS, BRIDGE_PCI_CLASS, pciStructRec::bus, pciStructRec::cmd_st, pciStructRec::dev, device, pciStructRec::DeviceID, pciStructRec::func, pciStructRec::Interface, interface, IS_MEM32, IS_MEM64, PciSlot::l, pciStructRec::next, pciBusRec::next, PCI_EN, PCI_MULTIFUNC_DEV, PciBuses, pciMinMemReg, PciStruct, pciBusRec::primary, pciStructRec::RomBase, pciBusRec::secondary, pciStructRec::Slot, pciBusRec::Slot, pciStructRec::SubClass, vendor, pciStructRec::VendorID, and VIDEO_CLASS.

Referenced by scan_pci().

int mapPciRom

(

PciStructPtr

pciP

)

References CurrentPci, findBIOSMap(), FIX_ROM, PciSlot::l, MEM_FILE, PciRead32(), PciWrite32(), restoreMem(), pciStructRec::RomBase, pciStructRec::Slot, V_BIOS, and writePci.

CARD16 PciRead16	(	int	offset,
		CARD32	Slot
	)

References readPci.

Referenced by int1A_handler().

CARD32 PciRead32	(	int	offset,
		CARD32	Slot
	)

References readPci.

Referenced by findBIOSMap(), int1A_handler(), mapPciRom(), and remapMem().

CARD8 PciRead8	(	int	offset,
		CARD32	Slot
	)

References readPci.

Referenced by int1A_handler().

CARD16 pciSlotBX

(

PciStructPtr

pPci

)

References PciSlot::l, and pciStructRec::Slot.

Referenced by int1A_handler().

void pciVideoDisable

(

void

)

References pciBusRec::bctl, pciStructRec::cmd_st, PciSlot::l, pciStructRec::next, pciBusRec::next, PciBuses, PciStruct, pciStructRec::RomBase, pciStructRec::Slot, pciBusRec::Slot, and writePci.

Referenced by EnableCurrent().

void pciVideoRestore

(

void

)

References pciBusRec::bctl, pciStructRec::cmd_st, PciSlot::l, pciStructRec::next, pciBusRec::next, PciBuses, PciStruct, pciStructRec::RomBase, pciStructRec::Slot, pciBusRec::Slot, and writePci.

void PciWrite16	(	int	offset,
		CARD16	word,
		CARD32	Slot
	)

References readPci, val, and writePci.

Referenced by int1A_handler().

void PciWrite32	(	int	offset,
		CARD32	lg,
		CARD32	Slot
	)

References writePci.

Referenced by findBIOSMap(), int1A_handler(), mapPciRom(), remapMem(), and restoreMem().

void PciWrite8	(	int	offset,
		CARD8	byte,
		CARD32	Slot
	)

References readPci, val, and writePci.

Referenced by int1A_handler().

static void readConfigSpaceCfg1	(	CARD32	bus,
		CARD32	dev,
		CARD32	func,
		CARD32 *	reg
	)		[static]

References PCI_EN, PCI_MODE1_ADDRESS_REG, and PCI_MODE1_DATA_REG.

Referenced by scan_pci().

static void readConfigSpaceCfg2	(	CARD32	bus,
		int	dev,
		CARD32 *	reg
	)		[static]

References PCI_MODE2_ENABLE_REG, and PCI_MODE2_FORWARD_REG.

Referenced by scan_pci().

static CARD32 readPciCfg1

(

CARD32

reg

)

[static]

References PCI_MODE1_ADDRESS_REG, PCI_MODE1_DATA_REG, and val.

static CARD32 readPciCfg2

(

CARD32

reg

)

[static]

References PCI_MODE2_ENABLE_REG, PCI_MODE2_FORWARD_REG, and val.

Referenced by scan_pci().

static int remapMem	(	PciStructPtr	pciP,
		int	num,
		CARD32	size
	)		[static]

References PciSlot::l, pciStructRec::next, PciRead32(), PciStruct, PciWrite32(), pciStructRec::Slot, and val.

Referenced by findBIOSMap().

static void restoreMem

(

PciStructPtr

pciP

)

[static]

References PciSlot::l, PciWrite32(), and pciStructRec::Slot.

Referenced by mapPciRom().

void scan_pci

(

int

pci_cfg_method

)

References pciStructRec::bus, checkSlotCfg1(), checkSlotCfg2(), interpretConfigSpace(), MAX_DEV_PER_VENDOR_CFG1, MAX_PCI_DEVICES, pciStructRec::next, pciBusRec::next, pciStructRec::pBus, pciBusRec::pBus, PCI_EN, PCI_MAXBUS, PCI_MODE1_ADDRESS_REG, PCI_MODE2_ENABLE_REG, PCI_MODE2_FORWARD_REG, PciBuses, pciMaxBus, PciStruct, pciBusRec::primary, readConfigSpaceCfg1(), readConfigSpaceCfg2(), readPci, readPciCfg2(), RESORT, pciBusRec::secondary, writePci, and writePciCfg2().

Referenced by InitInt10().

static void writePciCfg1	(	CARD32	reg,
		CARD32	val
	)		[static]

References PCI_MODE1_ADDRESS_REG, and PCI_MODE1_DATA_REG.

static void writePciCfg2	(	CARD32	reg,
		CARD32	val
	)		[static]

References PCI_MODE2_ENABLE_REG, and PCI_MODE2_FORWARD_REG.

Referenced by scan_pci().

---

Variable Documentation

PciStructPtr CurrentPci = NULL

Referenced by EnableCurrent(), findPciClass(), findPciDevice(), InitInt10(), int1A_handler(), and mapPciRom().

int hostbridges = 1 [static]

int numbus [static]

PciBusPtr PciBuses = NULL

Referenced by interpretConfigSpace(), pciVideoDisable(), pciVideoRestore(), and scan_pci().

CARD32 PciCfg1Addr [static]

Referenced by cfg1in(), and cfg1out().

PciStructPtr PciList = NULL

Referenced by findPciByIDs().

int pciMaxBus = 0

Referenced by int1A_handler(), and scan_pci().

unsigned long pciMinMemReg = ~0 [static]

Referenced by interpretConfigSpace().

PciStructPtr PciStruct = NULL

Referenced by findBIOSMap(), findPci(), interpretConfigSpace(), pciVideoDisable(), pciVideoRestore(), remapMem(), and scan_pci().

CARD32(* readPci)(CARD32 reg) = readPciCfg1 [static]

Referenced by cfg1in(), PciRead16(), PciRead32(), PciRead8(), PciWrite16(), PciWrite8(), and scan_pci().

int remapMEM_num [static]

CARD32 remapMEM_val [static]

void(* writePci)(CARD32 reg, CARD32 val) = writePciCfg1 [static]

Referenced by cfg1out(), EnableCurrent(), mapPciRom(), pciVideoDisable(), pciVideoRestore(), PciWrite16(), PciWrite32(), PciWrite8(), and scan_pci().