cpu.h

9260的ucos源码

/*
*********************************************************************************************************
*                                               uC/CPU
*                                    CPU CONFIGURATION & PORT LAYER
*
*                          (c) Copyright 2004-2006; Micrium, Inc.; Weston, FL
*
*               All rights reserved.  Protected by international copyright laws.
*
*               uC/CPU is provided in source form for FREE evaluation, for educational
*               use or peaceful research.  If you plan on using uC/CPU in a commercial
*               product you need to contact Micrium to properly license its use in your
*               product.  We provide ALL the source code for your convenience and to
*               help you experience uC/CPU.  The fact that the source code is provided
*               does NOT mean that you can use it without paying a licensing fee.
*
*               Knowledge of the source code may NOT be used to develop a similar product.
*
*               Please help us continue to provide the Embedded community with the finest
*               software available.  Your honesty is greatly appreciated.
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*
*                                            CPU PORT FILE
*
*                                                 ARM
*                                            IAR C Compiler
*  
* Filename      : cpu.h
* Version       : V1.15
* Programmer(s) : ITJ
*                 JJL
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                               MODULE
*********************************************************************************************************
*/

#ifndef  CPU_CFG_MODULE_PRESENT
#define  CPU_CFG_MODULE_PRESENT


/*
*********************************************************************************************************
*                                          CPU INCLUDE FILES
*
* Note(s) : (1) The following CPU files are located in the following directories :
*
*               (a) \<CPU-Compiler Directory>\cpu_def.h
*
*               (b) \<CPU-Compiler Directory>\<cpu>\<compiler>\cpu*.*
*
*                       where
*                               <CPU-Compiler Directory>    directory path for common   CPU-compiler software
*                               <cpu>                       directory name for specific CPU
*                               <compiler>                  directory name for specific compiler
*
*           (2) Compiler MUST be configured to include the '\<CPU-Compiler Directory>\' directory & the
*               specific CPU-compiler directory as additional include path directories.
*********************************************************************************************************
*/

#include  <cpu_def.h>


/*$PAGE*/
/*
*********************************************************************************************************
*                                    CONFIGURE STANDARD DATA TYPES
*
* Note(s) : (1) Configure standard data types according to CPU-/compiler-specifications.
*
*           (2) 'CPU_FNCT_PTR' data type defined to replace commonly-used cast(s) for function pointers --
*               pointer to a function which returns void & has single argument of void pointer.
*
*               (a) Function pointer usage remains unaffected :
*
*                       CPU_FNCT_PTR   FnctName;
*                       void          *obj;
*
*                       FnctName(obj);
*********************************************************************************************************
*/

typedef            void      CPU_VOID;
typedef  unsigned  char      CPU_CHAR;                      /*  8-bit character                                         */
typedef  unsigned  char      CPU_BOOLEAN;                   /*  8-bit boolean or logical                                */
typedef  unsigned  char      CPU_INT08U;                    /*  8-bit unsigned integer                                  */
typedef    signed  char      CPU_INT08S;                    /*  8-bit   signed integer                                  */
typedef  unsigned  short     CPU_INT16U;                    /* 16-bit unsigned integer                                  */
typedef    signed  short     CPU_INT16S;                    /* 16-bit   signed integer                                  */
typedef  unsigned  int       CPU_INT32U;                    /* 32-bit unsigned integer                                  */
typedef    signed  int       CPU_INT32S;                    /* 32-bit   signed integer                                  */
typedef            float     CPU_FP32;                      /* 32-bit floating point                                    */
typedef            double    CPU_FP64;                      /* 64-bit floating point                                    */


typedef            void    (*CPU_FNCT_PTR)(void *);         /* See Note #2.                                             */


/*
*********************************************************************************************************
*                                       CPU WORD CONFIGURATION
*
* Note(s) : (1) Configure CPU_CFG_ADDR_SIZE & CPU_CFG_DATA_SIZE in 'cpu.h' with CPU's word sizes :
*
*                   CPU_WORD_SIZE_08             8-bit word size
*                   CPU_WORD_SIZE_16            16-bit word size
*                   CPU_WORD_SIZE_32            32-bit word size
*                   CPU_WORD_SIZE_64            64-bit word size            See Note #1a
*
*               (a) 64-bit word size NOT currently supported.
*
*           (2) Configure CPU_CFG_ENDIAN_TYPE in 'cpu.h' with CPU's data-word-memory order :
*
*                   CPU_ENDIAN_TYPE_BIG         Big-   endian word order (CPU words' most  significant
*                                                                         octet @ lowest memory address)
*                   CPU_ENDIAN_TYPE_LITTLE      Little-endian word order (CPU words' least significant
*                                                                         octet @ lowest memory address)
*********************************************************************************************************
*/

#define  CPU_CFG_ADDR_SIZE                  CPU_WORD_SIZE_32            /* Defines CPU address word size (in octets).   */

#define  CPU_CFG_DATA_SIZE                  CPU_WORD_SIZE_32            /* Defines CPU data    word size (in octets).   */
#define  CPU_CFG_ENDIAN_TYPE                CPU_ENDIAN_TYPE_LITTLE      /* Defines CPU data    word-memory order.       */


/*
*********************************************************************************************************
*                                 CONFIGURE CPU ADDRESS & DATA TYPES
*********************************************************************************************************
*/

                                                            /* CPU address type based on address bus size (in octets).  */
#if     (CPU_CFG_ADDR_SIZE == CPU_WORD_SIZE_32)
typedef  CPU_INT32U  CPU_ADDR;
#elif   (CPU_CFG_ADDR_SIZE == CPU_WORD_SIZE_16)
typedef  CPU_INT16U  CPU_ADDR;
#else
typedef  CPU_INT08U  CPU_ADDR;
#endif

                                                            /* CPU data    type based on data    bus size (in octets).  */
#if     (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_32)
typedef  CPU_INT32U  CPU_DATA;
#elif   (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_16)
typedef  CPU_INT16U  CPU_DATA;
#else