entry.h File Reference

Go to the source code of this file.

Data Structures
struct	DESCRIPTOR
Defines
#define	GDT_NULL   0
#define	GDT_CODE   1
#define	GDT_DATA   2
#define	GDT_STACK   3
#define	GDT_EXTRA   4
#define	GDT_FLAG   4
#define	GDT_VIDEO   5
#define	GDT_TSS   6
#define	LDT_BASE   7
#define	KERNEL_CS   GDT_CODE
#define	KERNEL_DS   GDT_DATA
#define	KERNEL_SS   GDT_STACK
#define	KERNEL_ES   GDT_EXTRA
#define	KERNEL_FS   GDT_FLAG
#define	KERNEL_GS   GDT_VIDEO
#define	TASK_CS   GDT_CODE
#define	TASK_DS   GDT_DATA
#define	TASK_SS   GDT_STACK
#define	TASK_ES   GDT_EXTRA
#define	TASK_FS   GDT_FLAG
#define	TASK_GS   GDT_VIDEO
Functions
void	OutByte (U32 port, U8 value)
U8	InByte (U32 port)
void	EnableIrq (U8 IrqNumber)
void	DisableIrq (U8 IrqNumber)
void	OsTaskSwitchOut (void)
void	OsRootTaskStart (void)
Variables
U32	CursorPosition
U8	CharacterAttribute
GATE	IdtTable [IDT_SIZE]
DESCRIPTOR	GdtTable [128]
INT_HANDLER	CpuIntHandlersTable [20]
INT_HANDLER	CpuIntExecutorTable [20]
INT_HANDLER	IrqHandlersTable [16]
INT_HANDLER	IrqExecutorTable [16]
INT_HANDLER	SoftwareIntHandlersTable [1]
INT_HANDLER	SoftwareIntExecutorTable [1]

---

Define Documentation

#define GDT_CODE   1

Definition at line 14 of file entry.h.

#define GDT_DATA   2

Definition at line 15 of file entry.h.

#define GDT_EXTRA   4

Definition at line 17 of file entry.h.

#define GDT_FLAG   4

Definition at line 18 of file entry.h.

#define GDT_NULL   0

Definition at line 13 of file entry.h.

#define GDT_STACK   3

Definition at line 16 of file entry.h.

#define GDT_TSS   6

Definition at line 20 of file entry.h.

#define GDT_VIDEO   5

Definition at line 19 of file entry.h.

#define KERNEL_CS   GDT_CODE

Definition at line 23 of file entry.h.

#define KERNEL_DS   GDT_DATA

Definition at line 24 of file entry.h.

#define KERNEL_ES   GDT_EXTRA

Definition at line 26 of file entry.h.

#define KERNEL_FS   GDT_FLAG

Definition at line 27 of file entry.h.

#define KERNEL_GS   GDT_VIDEO

Definition at line 28 of file entry.h.

#define KERNEL_SS   GDT_STACK

Definition at line 25 of file entry.h.

#define LDT_BASE   7

Definition at line 21 of file entry.h.

#define TASK_CS   GDT_CODE

Definition at line 30 of file entry.h.

#define TASK_DS   GDT_DATA

Definition at line 31 of file entry.h.

#define TASK_ES   GDT_EXTRA

Definition at line 33 of file entry.h.

#define TASK_FS   GDT_FLAG

Definition at line 34 of file entry.h.

#define TASK_GS   GDT_VIDEO

Definition at line 35 of file entry.h.

#define TASK_SS   GDT_STACK

Definition at line 32 of file entry.h.

---

Function Documentation

void DisableIrq

(

U8

IrqNumber

)

void EnableIrq

(

U8

IrqNumber

)

U8 InByte

(

U32

port

)

void OsRootTaskStart

(

void

)

void OsTaskSwitchOut

(

void

)

void OutByte	(	U32	port,
		U8	value
	)

---

Variable Documentation

U8 CharacterAttribute

INT_HANDLER CpuIntExecutorTable[20]

INT_HANDLER CpuIntHandlersTable[20]

U32 CursorPosition

DESCRIPTOR GdtTable[128]

GATE IdtTable[IDT_SIZE]

INT_HANDLER IrqExecutorTable[16]

INT_HANDLER IrqHandlersTable[16]

INT_HANDLER SoftwareIntExecutorTable[1]

INT_HANDLER SoftwareIntHandlersTable[1]