os_cpu.h

移植ucos-ii到arm7tdmi核

/*
*********************************************************************************************************
*                                               uC/OS-II
*                                        The Real-Time Kernel
*
*                        (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
*                                          All Rights Reserved
*
*                                       ARM7TDMI Specific code
*                                          LARGE MEMORY MODEL
*
* File : OS_CPU.H
* By   : Jean J. Labrosse
*********************************************************************************************************
*/

#ifdef  OS_CPU_GLOBALS
#define OS_CPU_EXT
#else
#define OS_CPU_EXT  extern
#endif

/*
*********************************************************************************************************
*                                              DATA TYPES
*                                         (Compiler Specific)
*********************************************************************************************************
*/

typedef unsigned char  	BOOLEAN;
typedef unsigned char  	INT8U;                    /* Unsigned  8 bit quantity                         	*/
typedef signed   char  	INT8S;                    /* Signed    8 bit quantity                           	*/
typedef unsigned short  INT16U;                   /* Unsigned 16 bit quantity                          	*/
typedef signed   short  INT16S;                   /* Signed   16 bit quantity                           	*/
typedef unsigned int  	INT32U;                   /* Unsigned 32 bit quantity                           	*/
typedef signed   int  	INT32S;                   /* Signed   32 bit quantity                           	*/
typedef float          	FP32;                     /* Single precision floating point                    	*/
typedef double         	FP64;                     /* Double precision floating point                    	*/

typedef unsigned int   	OS_STK;                   /* Each stack entry is 16-bit wide                    	*/

#define BYTE           INT8S                      /* Define data types for backward compatibility ...   	*/
#define UBYTE          INT8U                      /* ... to uC/OS V1.xx.  Not actually needed for ...   	*/
#define WORD           INT16S                     /* ... uC/OS-II.                                      	*/
#define UWORD          INT16U
#define LONG           INT32S
#define ULONG          INT32U



#define  OS_STK_GROWTH        1                   /* Stack grows from HIGH to LOW memory on 80x86 */



__swi(0x0) 	void OS_TASK_SW(void);
__swi(0x1)	void OSStartHighRdy(void);
__swi(0x2) 	void OS_ENTER_CRITICAL(void);
__swi(0x3) 	void OS_EXIT_CRITICAL(void);
__swi(0x80) void ChangToSYSMode(void);
__swi(0x81) void ChangToUserMode(void);
__swi(0x82) void TaskIsARM(INT8U prio);
__swi(0x83) void TaskIsTHUMB(INT8U prio);