www.pudn.com > ucos+net.zip > os_cpu.h

// oc_cpu.h 
 
/////////////////////////////////////////////////////////////////////////////// 
// uCOS-II standard definitions and declarations. 
 
#ifdef  OS_CPU_GLOBALS 
#define OS_CPU_EXT 
#else 
#define OS_CPU_EXT				extern 
#endif 
 
 
#define  OS_ENTER_CRITICAL()	__asm	PUSHFD	__asm CLI 
#define  OS_EXIT_CRITICAL()	__asm	POPFD 
 
#define  OS_STK_GROWTH		1 
#define  OS_TASK_SW()		__asm	INT	uCOS 
 
#define	 OS_SAVE_ALLREG()	__asm   PUSHAD 
#define  OS_RESTORE_ALLREG()	__asm   POPAD 
 
 
 
/////////////////////////////////////////////////////////////////////////////// 
// Port-specific definitions and declarations 
 
// Processor-dependent add-ons 
 
typedef void *					PTR; 
 
#pragma pack(push, 1)					// No padding please 
 
typedef struct _idt_gate 
{ 
	INT16U	Offset; 
	INT16U	Selector; 
	INT16U	Type; 
	INT16U	Offset2; 
} IDT_GATE; 
 
#pragma pack(pop) 
 
#define IDTGATE_TRAP			0x8f00	// Trap gate type 
#define IDTDATE_INT				0x8e00	// Interrupt gate type 
#define IDTGATE_TASK			0x8500	// Task gate type 
 
#define OSIRQ_OFFSET				0x20 
 
/* 
    These are the port addresses of the 8259 Programmable Interrupt 
    Controller (PIC). 
*/ 
#define I8259_A0	0x020				// 8259 #1, port #1 
#define I8259_A1	0x021				// 8259 #1, port #2 
#define I8259_B0	0x0a0				// 8259 #2, port #1 
#define I8259_B1	0x0a1				// 8259 #2, port #2 
 
#define ICR_A         0x020   /* Interrupt Control Port       */ 
#define IMR_A         0x021   /* Interrupt Mask Register port */ 
#define ICR_B         0x0a0   /* Interrupt Control Port       */ 
#define IMR_B         0x0a1   /* Interrupt Mask Register port */ 
 
/* 
    An end of interrupt needs to be sent to the Control Port of 
    the 8259 when a hardware interrupt ends. 
*/ 
#define EOI             0x20   /* End Of Interrupt */  
 
 
 
 
#define	CS_SELECTOR	0x08	// CS selector in GDT 
#define uCOS		0x30    // uC/OS-II Interrupt 
 
// Prototypes to function declared in ix86p\os_cpu_c.c 
 
extern void	OSCpuInit(); 
 
// Prototypes to function declared in ix86p\os_cpu_a.asm 
 
extern INT8U	inportb(INT16U PortNo); 
extern void	outportb(INT16U PortNo, INT8U Value); 
 
extern void	DumpStackHandler(); 
extern void	SetIntVector(int IntNo, PTR Handler); 
 
 
 
/* Flowwing is my define */ 
 
#define NET_PRIO	10 
#define SHELL_PRIO	11 
 
extern void	DefIntHandler(); 
extern void	DefIntHandler0(void); 
extern void	DefIntHandler1(void); 
extern void	DefIntHandler2(void); 
extern void	DefIntHandler3(void); 
extern void	DefIntHandler4(void); 
extern void	DefIntHandler5(void); 
extern void	DefIntHandler6(void); 
extern void	DefIntHandler7(void); 
extern void	DefIntHandler8(void); 
extern void	DefIntHandler9(void); 
extern void	DefIntHandler10(void); 
extern void	DefIntHandler11(void); 
extern void	DefIntHandler12(void); 
extern void	DefIntHandler13(void); 
extern void	DefIntHandler14(void); 
extern void	DefIntHandler15(void);