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#include <string.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <stdlib.h>
#include "dhahelper.h"
int main(int argc, char *argv[])
{
int fd;
int ret;
fd = open("/dev/dhahelper", O_RDWR);
if(fd < 0){
perror("dev/dhahelper");
exit(1);
}
ioctl(fd, DHAHELPER_GET_VERSION, &ret);
printf("api version: %d\n", ret);
if (ret != API_VERSION)
printf("incompatible api!\n");
{
void *mem;
unsigned long size=256;
mem = mmap(0,size,PROT_READ|PROT_WRITE,MAP_SHARED,fd,0);
printf("allocated to %p\n", mem);
if (argc > 1)
if (mem != 0)
{
int i;
for (i = 0; i < 256; i++)
printf("[%x] ", *(int *)(mem+i));
printf("\n");
}
munmap((void *)mem, size);
}
return(0);
}
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