io.c File Reference

#include <sys/io.h>

Include dependency graph for io.c:

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Functions
unsigned char	inportByte (unsigned int port)
	input one byte from specified port
unsigned long	inportDWord (unsigned int port)
	input one double word from specified port
unsigned short	inportWord (unsigned int port)
	input one word from specified port
void	outportByte (unsigned int port, unsigned char value)
	outputut one byte to specified port
void	outportByteP (unsigned int port, unsigned char value)
	outputut one byte to specified port with a delay
void	outportDWord (unsigned int port, unsigned long value)
	outputut one double word to specified port
void	outportWord (unsigned int port, unsigned short value)
	outputut one word to specified port

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Function Documentation

unsigned char inportByte

(

unsigned int

port

)

input one byte from specified port

Parameters:

port

address of port for reading

Returns:

returns unsigned char value

Definition at line 39 of file io.c.

Referenced by _int13(), atkbd_scan(), backSpace(), countMemory(), dp_recv(), fdcRw(), getByte(), hdInit(), hdRead(), hdWrite(), initLNC(), kbdRead(), kbdWrite(), keyboardHandler(), kprint(), ne2k_init(), ne2kHandler(), pciRead(), PCtoNIC(), sendByte(), setLED(), systemTask(), timeCmosRead(), tty_init(), and waitFdc().

unsigned long inportDWord

(

unsigned int

port

)

input one double word from specified port

Parameters:

port

address of port for reading

Returns:

returns unsigned double word value

Definition at line 134 of file io.c.

Referenced by pciRead().

unsigned short inportWord

(

unsigned int

port

)

input one word from specified port

Parameters:

port

address of port for reading

Returns:

returns unsigned short value

Definition at line 56 of file io.c.

Referenced by _int13(), getblock(), hdInit(), hdRead(), lanceProbe(), lncInt(), NICtoPC(), pciRead(), readBcr(), and readCsr().

void outportByte	(	unsigned int	port,
		unsigned char	value
	)

outputut one byte to specified port

Parameters:

	port	address of port for writing
	value	byte to output to port

Definition at line 73 of file io.c.

Referenced by _dmaXfer(), _int13(), atkbd_scan(), backSpace(), c_ap_boot(), clearScreen(), countMemory(), dp_recv(), fdcRw(), floppyIsrhndlr(), getblock(), hdInit(), hdRead(), hdWrite(), i8259_init(), irqDisable(), irqEnable(), kbdWrite(), keyboardHandler(), kprint(), lncInt(), motorOn(), mouseHandler(), mouseInit(), ne2k_init(), ne2kHandler(), NICtoPC(), pciWrite(), PCtoNIC(), pit_init(), reset(), sendByte(), setLED(), systemTask(), tty_change(), tty_init(), and tty_print().

void outportByteP	(	unsigned int	port,
		unsigned char	value
	)

outputut one byte to specified port with a delay

Parameters:

	port	address of port for writing
	value	byte to output to port

Definition at line 88 of file io.c.

Referenced by pit_init(), and timeCmosRead().

void outportDWord	(	unsigned int	port,
		unsigned long	value
	)

outputut one double word to specified port

Parameters:

	port	address of port for writing
	value	double word to output to port

Definition at line 119 of file io.c.

Referenced by pciRead(), and pciWrite().

void outportWord	(	unsigned int	port,
		unsigned short	value
	)

outputut one word to specified port

Parameters:

	port	address of port for writing
	value	word to output to port

Definition at line 104 of file io.c.

Referenced by _int13(), hdWrite(), lncInt(), pciWrite(), PCtoNIC(), readBcr(), readCsr(), writeBcr(), and writeCsr().

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