8259.h File Reference

#include <ubixos/types.h>

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Defines
#define	eoi   0x20
#define	icw1   0x11
#define	icw4   0x01
#define	mImr   0x21
#define	mPic   0x20
#define	mVec   0x68
#define	ocw3Irr   0x0A
#define	ocw3Isr   0x0B
#define	sImr   0xA1
#define	sPic   0xA0
#define	sVec   0x70
Functions
int	i8259_init ()
	initialize the 8259 PIC
void	irqDisable (uInt16 irqNo)
void	irqEnable (uInt16 irqNo)

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Define Documentation

#define eoi   0x20

Definition at line 39 of file 8259.h.

Referenced by mouseHandler(), mouseInit(), and ne2kHandler().

#define icw1   0x11

Definition at line 40 of file 8259.h.

Referenced by i8259_init().

#define icw4   0x01

Definition at line 41 of file 8259.h.

Referenced by i8259_init().

#define mImr   0x21

Definition at line 36 of file 8259.h.

Referenced by i8259_init().

#define mPic   0x20

Definition at line 35 of file 8259.h.

Referenced by i8259_init(), irqDisable(), irqEnable(), mouseHandler(), mouseInit(), and ne2kHandler().

#define mVec   0x68

Definition at line 42 of file 8259.h.

Referenced by atkbd_init(), fdc_init(), i8259_init(), initLNC(), mouseInit(), and ne2k_init().

#define ocw3Irr   0x0A

Definition at line 44 of file 8259.h.

#define ocw3Isr   0x0B

Definition at line 45 of file 8259.h.

#define sImr   0xA1

Definition at line 38 of file 8259.h.

Referenced by i8259_init().

#define sPic   0xA0

Definition at line 37 of file 8259.h.

Referenced by i8259_init(), irqDisable(), irqEnable(), mouseHandler(), mouseInit(), and ne2kHandler().

#define sVec   0x70

Definition at line 43 of file 8259.h.

Referenced by i8259_init().

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Function Documentation

int i8259_init

(

)

initialize the 8259 PIC

This will initialize both PICs for all of our IRQs

Definition at line 42 of file 8259.c.

References icw1, icw4, kprintf(), mImr, mPic, mVec, outportByte(), sImr, sPic, and sVec.

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void irqDisable

(

uInt16

irqNo

)

Referenced by _int13(), kpanic(), and ne2kHandler().

void irqEnable

(

uInt16

irqNo

)

Referenced by _int13(), atkbd_init(), fdc_init(), kmain(), mouseInit(), ne2k_init(), and ne2kHandler().

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