os_cpu.h

在lpc2114 上的ADS例子

/*
*********************************************************************************************************
*                                               uC/OS-II
*                                         The Real-Time Kernel
*
*
*                             (c) Copyright 1992-2007, Micrium, Weston, FL
*                                          All Rights Reserved
*
*                                           Generic ARM Port
*
* File      : OS_CPU.H
* Version   : V1.82
* By        : Jean J. Labrosse
*             Jean-Denis Hatier
*
* For       : ARM7 or ARM9
* Mode      : ARM or Thumb
* Toolchain : RealView Development Suite
*             RealView Microcontroller Development Kit (MDK)
*             ARM Developer Suite (ADS)
*             Keil uVision
*********************************************************************************************************
*/

#ifndef  OS_CPU_H
#define  OS_CPU_H


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

#ifndef  OS_CPU_FPU_EN
#define  OS_CPU_FPU_EN    0                      /* HW floating point support disabled by default      */
#endif

/*
*********************************************************************************************************
*                                   INTERRUPT DISABLE TIME MEASUREMENT
*********************************************************************************************************
*/

#define  OS_CPU_INT_DIS_MEAS_EN    0


/*
*********************************************************************************************************
*                                           EXCEPTION DEFINES
*********************************************************************************************************
*/

                                                                /* ARM exception IDs                                    */
#define  OS_CPU_ARM_EXCEPT_RESET                                                                    0x00
#define  OS_CPU_ARM_EXCEPT_UNDEF_INSTR                                                              0x01
#define  OS_CPU_ARM_EXCEPT_SWI                                                                      0x02
#define  OS_CPU_ARM_EXCEPT_PREFETCH_ABORT                                                           0x03
#define  OS_CPU_ARM_EXCEPT_DATA_ABORT                                                               0x04
#define  OS_CPU_ARM_EXCEPT_ADDR_ABORT                                                               0x05
#define  OS_CPU_ARM_EXCEPT_IRQ                                                                      0x06
#define  OS_CPU_ARM_EXCEPT_FIQ                                                                      0x07
#define  OS_CPU_ARM_EXCEPT_MAX                                                                      0x08

                                                                /* ARM exception vectors addresses                      */
#define  OS_CPU_ARM_EXCEPT_RESET_VECT_ADDR              (OS_CPU_ARM_EXCEPT_RESET          * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_UNDEF_INSTR_VECT_ADDR        (OS_CPU_ARM_EXCEPT_UNDEF_INSTR    * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_SWI_VECT_ADDR                (OS_CPU_ARM_EXCEPT_SWI            * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_PREFETCH_ABORT_VECT_ADDR     (OS_CPU_ARM_EXCEPT_PREFETCH_ABORT * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_DATA_ABORT_VECT_ADDR         (OS_CPU_ARM_EXCEPT_DATA_ABORT     * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_ADDR_ABORT_VECT_ADDR         (OS_CPU_ARM_EXCEPT_ADDR_ABORT     * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_IRQ_VECT_ADDR                (OS_CPU_ARM_EXCEPT_IRQ            * 0x04 + 0x00)
#define  OS_CPU_ARM_EXCEPT_FIQ_VECT_ADDR                (OS_CPU_ARM_EXCEPT_FIQ            * 0x04 + 0x00)

                                                                /* ARM exception handlers addresses                     */
#define  OS_CPU_ARM_EXCEPT_RESET_HANDLER_ADDR           (OS_CPU_ARM_EXCEPT_RESET          * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_UNDEF_INSTR_HANDLER_ADDR     (OS_CPU_ARM_EXCEPT_UNDEF_INSTR    * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_SWI_HANDLER_ADDR             (OS_CPU_ARM_EXCEPT_SWI            * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_PREFETCH_ABORT_HANDLER_ADDR  (OS_CPU_ARM_EXCEPT_PREFETCH_ABORT * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_DATA_ABORT_HANDLER_ADDR      (OS_CPU_ARM_EXCEPT_DATA_ABORT     * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_ADDR_ABORT_HANDLER_ADDR      (OS_CPU_ARM_EXCEPT_ADDR_ABORT     * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_IRQ_HANDLER_ADDR             (OS_CPU_ARM_EXCEPT_IRQ            * 0x04 + 0x20)
#define  OS_CPU_ARM_EXCEPT_FIQ_HANDLER_ADDR             (OS_CPU_ARM_EXCEPT_FIQ            * 0x04 + 0x20)

                                                                /* ARM "Jump To Self" assembled instruction             */
#define  OS_CPU_ARM_INSTR_JUMP_TO_SELF                   0xEAFFFFFE
                                                                /* ARM "Jump To Exception Handler" assembled instruction*/
#define  OS_CPU_ARM_INSTR_JUMP_TO_HANDLER                0xE59FF018






#endif