// 测试2平台的 byte order, 经实测的结果见注释：供 porting code ?分析参考
// x86 platform
#include "stdafx.h"
#include "stdio.h"
int main(int argc, char* argv[])
{
?long int str[2] = {0x41424344, 0x0}; /* ASCII "ABCD" */
?struct
??? {
????? unsigned short y;
????? unsigned short x;
??? } p;?
??
?? p.x = 0x1234;??
?? p.y = 0x5678;
?? unsigned long *lparam,a;
?? lparam = (unsigned long *)&p;
?? a =? *lparam;
?? printf ("%s\n", (char *)&str);????? ?// x86??? : "DCBA"? PowerPc: "ABCD"?????????????????????????????????
?? printf ("%0x\n", a);??????????????????? ? // x86??? :? 12345678 (打印并非按内存次序)
?? printf ("%0x\n", *((char*)&a+1)); // x86??? :? 56
????????????????????????????????? // powerpc: "ABCD"
????????????????????????????????? // powerpc: 56781234
????????????????????????????????? // powerpc: 78
??????????
?? //? x86:??????????????????????????????????? ???? PowerPc
?? //? &a 内存分配 78 56 34 12?????? 56 78 12 34
?? //? &p 内存分配 78 56 34 12????????????????
?return 0;
}
/*--------*/
/* PowerPC application?test?*/
#include "stdio.h"
#include <sysLib.h>
#include <vxWorks.h>
#include <taskLib.h>
void t1()
{
? long int str[2] = {0x41424344, 0x0}; // ASCII "ABCD"
?struct
??? {
????? unsigned short y;
????? unsigned short x;
??? } p;?
??
?? p.x = 0x1234;??
?? p.y = 0x5678;
?? unsigned long *lparam,a;
?? lparam = (unsigned long *)&p;
?? a =? *lparam;
?? printf ("%s\n", (char *)&str);??
?? printf ("%0x\n", a);?????????
}
int t2()
{
?? long id;
?? id= ?taskSpawn("abc",120,VX_FP_TASK,20000,(FUNCPTR)t1,
???0,0,0,0,0,0,0,0,0,0);
?? return 0;
}
?
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