os_cpu.h

tms320c6201下的UCOS

/*
*********************************************************************************************************
*                                               uC/OS-II
*                                        The Real-Time Kernel
*
*                        (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
*                                          All Rights Reserved
*
*                                       80x86/80x88 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 32-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_FAR                         /* Define OS_FAR for the processor (ix86 CPUs)                  */





typedef struct
{
   int     integer;
} 
 REGISTERS ;


   /*------------------------------------------------------------------------
     THE SP MUST BE ALIGNED ON AN 8-BYTE BOUNDARY.                          
     WHICH means that the framesize has to be a multiple of that
   ------------------------------------------------------------------------*/

typedef struct 
{
   void    (*Start_Address)(void *Task_Data_Pointer);
   REGISTERS
           A0   ,
           A1   ,
           A2   ,
           A3   ,
           A4   ,
           A5   ,
           A6   ,
           A7   ,
           A8   ,
           A9   ,
           A10  ,
           A11  ,
           A12  ,
           A13  ,
           A14  ,
           A15  ;
   REGISTERS
           B0   ,
           B1   ,
           B2   ,
           B3   ,
           B4   ,
           B5   ,
           B6   ,
           B7   ,
           B8   ,
           B9   ,
           B10  ,
           B11  ,
           B12  ,
           B13  ,
           B14  ,
           B15  ;
  /* 32 registers */
   int
          AMR_Adressing_Mode_Register   ,      		/* save/restore */
          CSR_Control_Status_Register   ,	 		/* save/restore */
          IER_Interrupt_Enable_Register ,			/* save/restore */
          IRP_Interrupt_Return_Pointer  ;	 		/* save/restore */
  /* 36 registers */
   int	  dummyForAlignment ;
   } INITIAL_REGISTER_FRAME;




/* CPU Interrupt Numbers                                                      */

#define CPU_INT_RST          0x00
#define CPU_INT_NMI          0x01
#define CPU_INT_RSV1         0x02
#define CPU_INT_RSV2         0x03
#define CPU_INT4             0x04
#define CPU_INT5             0x05
#define CPU_INT6             0x06
#define CPU_INT7             0x07
#define CPU_INT8             0x08
#define CPU_INT9             0x09
#define CPU_INT10            0x0A
#define CPU_INT11            0x0B
#define CPU_INT12            0x0C
#define CPU_INT13            0x0D
#define CPU_INT14            0x0E
#define CPU_INT15            0x0F



#define HostPortInterfaceControlRegister 0x1880000

#define c60_magic 0x95
#define CPLD_MAP0_BASE_ADDR    0x01380000
#define CPLD_MAP1_BASE_ADDR    0x01780000



#ifdef _TMS320C6X
extern cregister volatile unsigned int IER ;
extern volatile unsigned int Always_Enabled_Interrupts ;
extern volatile unsigned int Normally_Enabled_Interrupts ;

static inline void OS_ENTER_CRITICAL(void)
{
                IER = Always_Enabled_Interrupts;
				asm("		nop 4 ");
}

static inline  void OS_EXIT_CRITICAL(void)
{
  				IER = Normally_Enabled_Interrupts ;
}

#endif 

#define  OS_TASK_SW()         OSCtxSw()

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

/*
*********************************************************************************************************
*                                            GLOBAL VARIABLES
*********************************************************************************************************
*/