/***********************************************************************************************************                                               uC/OS-II*                                        The Real-Time Kernel**                        (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL*                                          All Rights Reserved*                        (c) Copyright ARM Limited 1999.  All rights reserved.**                                          ARM Specific code** File : OS_CPU.H**********************************************************************************************************/#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 int   INT16U;                   /* Unsigned 16 bit quantity                           */typedef signed   int   INT16S;                   /* Signed   16 bit quantity                           */typedef unsigned long  INT32U;                   /* Unsigned 32 bit quantity                           */typedef signed   long  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                    */typedef unsigned int   OS_CPU_SR;#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 ADS/* **********************************************************************************************************                              ARM, various architectures***********************************************************************************************************/#if defined (ADS)#define OS_CRITICAL_METHOD  3#define	OS_ENTER_CRITICAL()	(cpu_sr = OSCPUSaveSR())#define	OS_EXIT_CRITICAL()	(OSCPURestoreSR(cpu_sr))#endif/* * Definitions specific to ARM/uHAL */#define	SVCMODE	0x13/* stack stuff */#define OS_STK_GROWTH    1#define OS_TASK_SW()    OSCtxSw()void UCOS_IRQHandler(void);void OSCtxSw(void);void OSIntCtxSw(void);#if OS_CRITICAL_METHOD == 3                      /* Allocate storage for CPU status register           */OS_CPU_SR  OSCPUSaveSR(void);void       OSCPURestoreSR(OS_CPU_SR cpu_sr);#endif