root.c

ucos on sa1200 from ixp1200 EB

/* root.c
*
*------------------------------------------------------------
*                                                                      
*                  I N T E L   P R O P R I E T A R Y                   
*                                                                      
*     COPYRIGHT (c)  1998-1999 BY  INTEL  CORPORATION.  ALL RIGHTS          
*     RESERVED.   NO  PART  OF THIS PROGRAM  OR  PUBLICATION  MAY      
*     BE  REPRODUCED,   TRANSMITTED,   TRANSCRIBED,   STORED  IN  A    
*     RETRIEVAL SYSTEM, OR TRANSLATED INTO ANY LANGUAGE OR COMPUTER    
*     LANGUAGE IN ANY FORM OR BY ANY MEANS, ELECTRONIC, MECHANICAL,    
*     MAGNETIC,  OPTICAL,  CHEMICAL, MANUAL, OR OTHERWISE,  WITHOUT    
*     THE PRIOR WRITTEN PERMISSION OF :                                
*                                                                      
*                        INTEL  CORPORATION                            
*                                                                     
*                     2200 MISSION COLLEGE BLVD                        
*                                                                      
*               SANTA  CLARA,  CALIFORNIA  95052-8119                  
*                                                                      
*------------------------------------------------------------
* system: SA1200
* subsystem: uCOS
* author: Henry Qian 12/02/98
* revisions:
*
* Dan White - 03/31/00 added sysCpuVerGet and check for Rev-b board of ixp1200
* Dan White - 04/18/00 changed sysCpuVerGet to sysCpuVerMake
* Dan White - 04/19/00 add extern to ixp1200_syscpurev global
* Dan White - 09/06/00 add ixp1200_SysCpuID global
*
*/
#include <stdio.h>
#include "os.h"  /* uC/OS interface */
#include "interrupts.h"

#define OS_ROOT_STK_SIZE    0x400
unsigned int rootTaskStack[OS_ROOT_STK_SIZE];

#define OS_CNSL_STK_SIZE    0x400
unsigned int consoleTaskStack[OS_CNSL_STK_SIZE];

PFV userInit;
unsigned int useConsole;
#ifdef __cplusplus
extern "C" 
	{
#endif

unsigned long sysCpuVerMake(void);
unsigned long sysCpuVerGet(void);
unsigned long sysCpuIDMake(void);
unsigned long sysCpuIDGet(void);

#ifdef __cplusplus
	}
#endif

extern int IXP1200_SysCpuRev;
extern int IXP1200_SysCpuID;

/*
 * Main entry to start uC/OS.
 */
void ucosStart(PFV userInit_in, unsigned int useConsole_in)
{
    userInit = userInit_in;
    useConsole = useConsole_in;

    ENTER_SVC;
    /* init uC/OS */
    OSInit();
    
    SAr_DisableInt();

	/* get the rev of board to global */
	sysCpuVerMake();
	IXP1200_SysCpuRev = sysCpuVerGet();

	/* get the cpu ID of board to global */
	sysCpuIDMake();
	IXP1200_SysCpuID = sysCpuIDGet();

    OSTaskCreate(   rootTask,
                    0,
                    (void *)&rootTaskStack[OS_ROOT_STK_SIZE],
                    0, /* Task priority, highest */
                    OS_ROOT_STK_SIZE*sizeof(int));
    
    /* start uC/OS */
    OSStart();
    
    /* never reached */
} /* ucosStart */


void rootTask(void* IGNORE)
{
    SAr_OsNotUseUART();

    SA_InitIRQ();
    SA_InitSysTimer();

    if (useConsole == USE_CONSOLE)
    {
       OSTaskCreate(    consoleTask,
                        0,
                        (void *)&consoleTaskStack[OS_CNSL_STK_SIZE],
                        0x3E, /* lowest priority */
                        OS_CNSL_STK_SIZE*sizeof(int)); 

    }

    printf("\nuC/OS started\n");

    userInit(); /* first user routine to call */

    printf("root done\n");
    OSTaskDel(0); /* commit suicide */
}


/* end of file */