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📄 os_cpu.h

📁 ucos移植到mpc860的源码
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/* 
 * file: bseppc.h 
 *
 * Barnett Systems Engineering Power PC Specific 'C' Code include file
 *
 * Author: Harry E. Barnett  11/11/99
 * harryb@hbbse.com http://www.hbbse.com
 *
 * Version V1.00
 *
 */

#ifndef BSEPPC_H
#define BSEPPC_H

/* Macros */ 

/* OS_TASK_SW() is MPC8xx specific. */ 
#define	OS_TASK_SW()		asm("	sc");

/* OS_ENTER_CRITICAL() is MPC8xx specific. */ 
#define	OS_ENTER_CRITICAL()	asm("	mtspr	EID,r0");

/* OS_EXIT_CRITICAL() is MPC8xx specific. */ 
#define OS_EXIT_CRITICAL()	asm("	mtspr	EIE,r0");

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

#define	OS_TICKS_PER_SEC	50 	/* Set the number of ticks in one second */

/*
 * TMBCLKS_PER_SEC is MPC8xx specific.
 * Used by 'ticker_start' to initialize dec_init.
 * A value of 1000000 for TMBCLKS_PER_SEC assumes EXTCLK of 4MHz,
 * and the TBS field in SCCR set to '0', i.e., that TMBCLK is OSCCLK/4.
 */ 
 /*
  * srn 04.06.27
  * HHPPC 5M / 4
  */
#define TMBCLKS_PER_SEC		1250000

/* The SMAC_set_decrementer() macro is Diab Compiler Suite specific */ 
/* Can be moved inline for another environment, e.g., GNU */ 

asm void SMAC_set_decrementer (void)
{
! "r4"
	.global	dec_init
	/*
	 * srn 04.06.27
	 * dec_init@h means the high 16 bits addr of 'dec_init', not its value?
	 * --yes!
	 * 
	 * So we can use only two instructions as below:
	 *
	 * lis		r4,dec_init@h
	 * lwz	r4,dec_init@l(r4)
	 */
	lis		r4,dec_init@h
	ori		r4,r4,dec_init@l
	lwz		r4,0(r4)
	/**/
	mtspr	DEC,r4
}

/* Global for time tick */ 
EXTERN signed long	dec_init;

#ifndef  FALSE
#define  FALSE    0
#endif

#ifndef  TRUE
#define  TRUE     1
#endif

/* Typedefs */ 

/* 
 * The following #define's are the UCOS-II typedefs
 */ 

/*
 * srn 04.06.26
 * Type defines is adhere with different compilers.
 */

typedef unsigned char  BOOLEAN;
typedef unsigned char  INT8U;                    /* Unsigned  8 bit quantity                           */
typedef signed   char  INT8S;                    /* Signed    8 bit quantity                           */
/*
 * srn 04.07.12
 * Use short as 16
 */
//typedef unsigned int   INT16U;                   /* Unsigned 16 bit quantity                           */
//typedef signed   int   INT16S;                   /* Signed   16 bit quantity                           */
typedef unsigned short   INT16U;                   /* Unsigned 16 bit quantity                           */
typedef signed   short   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                    */
/* 
 * srn 04.07.12
 * change to 32bits 
 */
typedef unsigned long   OS_STK;                   /* Each stack entry is 32-bit wide                    */

/* Constants */

/*
*********************************************************************************************************
*                                                uC/OS-II
*                                          The Real-Time Kernel
*
*                           (c) Copyright 1992-2002, Jean J. Labrosse, Weston, FL
*                                           All Rights Reserved
*
*                                  uC/OS-II Configuration File for V2.60
*
* File : OS_CFG.H
* By   : Jean J. Labrosse
*********************************************************************************************************
*/

                                       /* ---------------------- MISCELLANEOUS ----------------------- */
#define OS_ARG_CHK_EN             1    /* Enable (1) or Disable (0) argument checking                  */
#define OS_CPU_HOOKS_EN           1    /* uC/OS-II hooks are found in the processor port files         */

#define OS_DEBUG_EN               1    /* Enable(1) debug variables                                    */

#define OS_EVENT_NAME_SIZE       32    /* Determine the size of the name of a Sem, Mutex, Mbox or Q    */

#define OS_LOWEST_PRIO           63    /* Defines the lowest priority that can be assigned ...         */
                                       /* ... MUST NEVER be higher than 63!                            */

#define OS_MAX_EVENTS            10    /* Max. number of event control blocks in your application      */
#define OS_MAX_FLAGS              5    /* Max. number of Event Flag Groups    in your application      */
#define OS_MAX_MEM_PART           5    /* Max. number of memory partitions                             */
#define OS_MAX_QS                 5    /* Max. number of queue control blocks in your application      */
#define OS_MAX_TASKS             25    /* Max. number of tasks in your application, MUST be >= 2       */

#define OS_SCHED_LOCK_EN          1    /*     Include code for OSSchedLock() and OSSchedUnlock()       */

#define OS_TASK_IDLE_STK_SIZE   512    /* Idle task stack size (# of OS_STK wide entries)              */

#define OS_TASK_STAT_EN           1    /* Enable (1) or Disable(0) the statistics task                 */
#define OS_TASK_STAT_STK_SIZE   512    /* Statistics task stack size (# of OS_STK wide entries)        */
#define OS_TASK_STAT_STK_CHK_EN   1    /* Check task stacks from statistic task                        */

#define OS_TICK_STEP_EN           1    /* Enable tick stepping feature for uC/OS-View                  */

                                       /* ----------------------- EVENT FLAGS ------------------------ */
#define OS_FLAG_EN                1    /* Enable (1) or Disable (0) code generation for EVENT FLAGS    */
#define OS_FLAG_WAIT_CLR_EN       1    /* Include code for Wait on Clear EVENT FLAGS                   */
#define OS_FLAG_ACCEPT_EN         1    /*     Include code for OSFlagAccept()                          */
#define OS_FLAG_DEL_EN            1    /*     Include code for OSFlagDel()                             */
#define OS_FLAG_NAME_SIZE        32    /*     Determine the size of the name of an event flag group    */
#define OS_FLAG_QUERY_EN          1    /*     Include code for OSFlagQuery()                           */


                                       /* -------------------- MESSAGE MAILBOXES --------------------- */
#define OS_MBOX_EN                1    /* Enable (1) or Disable (0) code generation for MAILBOXES      */
#define OS_MBOX_ACCEPT_EN         1    /*     Include code for OSMboxAccept()                          */
#define OS_MBOX_DEL_EN            1    /*     Include code for OSMboxDel()                             */
#define OS_MBOX_POST_EN           1    /*     Include code for OSMboxPost()                            */
#define OS_MBOX_POST_OPT_EN       1    /*     Include code for OSMboxPostOpt()                         */
#define OS_MBOX_QUERY_EN          1    /*     Include code for OSMboxQuery()                           */


                                       /* --------------------- MEMORY MANAGEMENT -------------------- */
#define OS_MEM_EN                 1    /* Enable (1) or Disable (0) code generation for MEMORY MANAGER */
#define OS_MEM_QUERY_EN           1    /*     Include code for OSMemQuery()                            */
#define OS_MEM_NAME_SIZE         32    /*     Determine the size of a memory partition name            */


                                       /* ---------------- MUTUAL EXCLUSION SEMAPHORES --------------- */
#define OS_MUTEX_EN               1    /* Enable (1) or Disable (0) code generation for MUTEX          */
#define OS_MUTEX_ACCEPT_EN        1    /*     Include code for OSMutexAccept()                         */
#define OS_MUTEX_DEL_EN           1    /*     Include code for OSMutexDel()                            */
#define OS_MUTEX_QUERY_EN         1    /*     Include code for OSMutexQuery()                          */


                                       /* ---------------------- MESSAGE QUEUES ---------------------- */
#define OS_Q_EN                   1    /* Enable (1) or Disable (0) code generation for QUEUES         */
#define OS_Q_ACCEPT_EN            1    /*     Include code for OSQAccept()                             */
#define OS_Q_DEL_EN               1    /*     Include code for OSQDel()                                */
#define OS_Q_FLUSH_EN             1    /*     Include code for OSQFlush()                              */
#define OS_Q_POST_EN              1    /*     Include code for OSQPost()                               */
#define OS_Q_POST_FRONT_EN        1    /*     Include code for OSQPostFront()                          */
#define OS_Q_POST_OPT_EN          1    /*     Include code for OSQPostOpt()                            */
#define OS_Q_QUERY_EN             1    /*     Include code for OSQQuery()                              */


                                       /* ------------------------ SEMAPHORES ------------------------ */
#define OS_SEM_EN                 1    /* Enable (1) or Disable (0) code generation for SEMAPHORES     */
#define OS_SEM_ACCEPT_EN          1    /*    Include code for OSSemAccept()                            */
#define OS_SEM_DEL_EN             1    /*    Include code for OSSemDel()                               */
#define OS_SEM_QUERY_EN           1    /*    Include code for OSSemQuery()                             */


                                       /* --------------------- TASK MANAGEMENT ---------------------- */
#define OS_TASK_CHANGE_PRIO_EN    1    /*     Include code for OSTaskChangePrio()                      */
#define OS_TASK_CREATE_EN         1    /*     Include code for OSTaskCreate()                          */
#define OS_TASK_CREATE_EXT_EN     1    /*     Include code for OSTaskCreateExt()                       */
#define OS_TASK_DEL_EN            1    /*     Include code for OSTaskDel()                             */
#define OS_TASK_NAME_SIZE        32    /*     Determine the size of a task name                        */
#define OS_TASK_PROFILE_EN        1    /*     Include variables in OS_TCB for profiling                */
#define OS_TASK_QUERY_EN          1    /*     Include code for OSTaskQuery()                           */
#define OS_TASK_SUSPEND_EN        1    /*     Include code for OSTaskSuspend() and OSTaskResume()      */
#define OS_TASK_SW_HOOK_EN        1    /*     Include code for OSTaskSwHook()                          */


                                       /* --------------------- TIME MANAGEMENT ---------------------- */
#define OS_TIME_DLY_HMSM_EN       1    /*     Include code for OSTimeDlyHMSM()                         */
#define OS_TIME_DLY_RESUME_EN     1    /*     Include code for OSTimeDlyResume()                       */
#define OS_TIME_GET_SET_EN        1    /*     Include code for OSTimeGet() and OSTimeSet()             */
#define OS_TIME_TICK_HOOK_EN      1    /*     Include code for OSTimeTickHook()                        */


typedef INT16U             OS_FLAGS;   /* Date type for event flag bits (8, 16 or 32 bits)             */

#endif /* BSEPPC_H */ 

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