main_iacxl10_2004_3_16.cpp

自己编写的ARM处理器的指令集仿真

#define DE_IA
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lljapi.h"
#include "armia.h"
#include "mem.h"
#include "irq.h"

int main(int argc,char *argv[])
{	
        SHM_stru myshm;
	static ARMISS_stru state;

        key_t mykey;
	int shmid,semid;
	pid_t pid;
	void *shmdata;
	char *buffer;
	union semun sunion;	
	struct sembuf sb;	
	
	mykey=ftok("/tmp",'b');
	
	shmid=shmget(mykey,SHMDATASIZE,IPC_CREAT | SHM_R | SHM_W);
	//printf("arm shmid=%d\n",shmid);
	if(shmid==-1)
		{printf("child shmget error\n");
		 exit(1);
		}
	shmdata=shmat(shmid,0,0);
	if(shmdata==(void *)-1)
		{printf("child shmat error\n");
		 exit(1);
		}
	semid=*(int *)shmdata;
	//printf("arm semid=%d\n",semid);

	myshm.SHMcmdname=(int *)shmdata+sizeof(int);
	myshm.SHMrn=(int *)myshm.SHMcmdname+sizeof(int);
	myshm.SHMregval=(unsigned long *)myshm.SHMrn+30*sizeof(int);
	myshm.SHMdata=(unsigned char *)myshm.SHMregval+sizeof(unsigned long);
	myshm.SHMmaddr=(unsigned long *)myshm.SHMdata+sizeof(char);
	myshm.SHMsize=(int *)myshm.SHMmaddr+sizeof(unsigned long);
	myshm.SHMfilename=(char *)myshm.SHMsize+sizeof(int);
	//SHMSptr->End=(ISSstate *)SHMfilename+100;
	myshm.SHMendcondition=(unsigned int *)myshm.SHMfilename+100;
	myshm.SHMreg[0]=(unsigned long *)myshm.SHMendcondition+sizeof(unsigned int);
	myshm.SHMbigendsig=(unsigned int *)myshm.SHMreg[0]+16*sizeof(unsigned long);
	myshm.SHMcommandline=(char *)myshm.SHMbigendsig+sizeof(unsigned int);
	
	state.mem_reg(mem,getmem());
//shao	state.irq_reg( sendirq );
	
    while(1){  

      //printf("waiting for arm full...\n");
	   
	  locksem(semid,SN_ARMFULL);
	  //printf("child process arm receive:\n");
	  //printf("receive,*SHMcmdname=%d\n",*myshm.SHMcmdname);

	  state=advancecmd(state,semid,myshm);
	 
	  unlocksem(semid,SN_GDBEMPTY);
	
	  //printf("free gdb empry...\n");

    }

	shmdt(shmdata);
//	shmctl(shmid,IPC_RMID,NULL);
	return 0;
}