os_cpu.h

ucos在所有cpu下的移植范例

/*
*********************************************************************************************************
*                                               uC/OS-II
*                                         The Real-Time Kernel
*
*                                         6808 Specific code
*
* File : OS_CPU.H
* By   : Kerby Suhre
*********************************************************************************************************
*/
/*
DATA TYPES
*/
#ifndef _TYPES
typedef unsigned char  BOOLEAN;
typedef unsigned char  INT8U;
typedef signed   char  INT8S;
typedef unsigned short INT16U;
typedef signed   short INT16S;
typedef unsigned long  INT32U;
typedef signed long    INT32S;
#define _TYPES
#endif

#define	OS_STK_GROWTH   1                       /* Stack grows from HIGH to LOW memory on 6808  */
#define OS_STK 			INT8U

/* The following macros are for entering and exiting critical sections of
   code that cannot be interrupted */
#define  OS_ENTER_CRITICAL()    _asm("sei\n")

#define  OS_EXIT_CRITICAL()     _asm("cli\n")

#define  OS_TASK_SW()           _asm("swi\n")

void OSStartHardware(void);