runapp.c

msLinux v1.0 可以在arm ads 下仿真运行的linux

/* MShowTec - www.mshowtec.com
** msLinux runapp.c ver1.0
** 20051221 lmjx create [e-mail]
** 
*/

#define MSLINUX_RUNAPP_C

#include "kernel.h"
#include "string.h"
#include "sys.h"
#include "msApp_entry.h"
#include "runapp.h"

unsigned char msappbin[72] ={0x01, 0x01, 0x01, 0x01, 0x00, 0x08, 0x00, 0x00, 0x24, 0x00, 0xE0, 0x00, 0x00, 0x00, 0x00, 
                             0x00, 0x00, 0x00, 0x8F, 0xE2, 0xFB, 0x05, 0xC8, 0xEA, 0x63, 0x61, 0x6C, 0x6C, 0x5F, 0x74, 
                             0x65, 0x73, 0x74, 0x0D, 0x0A, 0x00, 0x08, 0x40, 0x2D, 0xE9, 0x08, 0x00, 0x8F, 0xE2, 0xF5, 
                             0x05, 0xC8, 0xEB, 0x08, 0x40, 0xBD, 0xE8, 0xF5, 0xFF, 0xFF, 0xEA, 0x6D, 0x73, 0x61, 0x70, 
                             0x70, 0x5F, 0x68, 0x61, 0x6E, 0x64, 0x6C, 0x65, 0x72, 0x0D, 0x0A, 0x00};

int msApp_load(char *p_app_name)
{	
	memcpy((void*)MSAPP_ENTRY_ADDR,msappbin,72);

	if(app_entry.app_ver <= ACCEPT_APPVER &&
	   app_entry.compile_ver <= ACCEPT_COMPILEVER &&
	   app_entry.platform_id <= ACCEPT_PLATFORMID &&
	   app_entry.product_id == ACCEPT_PRODUCTID
	   ){

		//caculate the crc code
		//if crc ok
		return 0;
	}
	return -1;
}

int run_app(char *p_app_name)
{
	int ret,i;
	void (*app_handler)();
	
	ret = msApp_load(p_app_name);
	if(ret){
		printk("app load error\r\n");
		return -1;
	}

	(long)app_handler = app_entry.app_entry;

	printk("p_appver->ver = %d\r\n",app_entry.app_ver);
	printk("p_appver->stacksz = %d\r\n",app_entry.stack_sz);
	
	if(!_sys_fork()){
		int stack_sz = 0;
		stack_sz = sys_setstack(app_entry.stack_sz);
		if(stack_sz > 0){
			app_handler();			
		}else{
			printk("set app stack error\r\n");
		}
		sys_exit(0);		
	}
	 
	wait(&i);

	return 0;
	
}