PCI 액세스 전체 코드

#include   
#include   
#include   
#include   
  
  
int a[16][16];  
void output()/* */  
{  
  
    int i,j,h;  
    clrscr();  
    printf("  ");  
    for(i = 1;i<17;i++)  
    {  
        a[0][i] = i-1;  
        printf(" %02x",a[0][i]);  
    }  
    printf("
");  
    for(j = 0;j<16;j++)  
    {  
        a[j+1][0] = j;  
        printf("%02x",a[j+1][0]);  
        for(h = 1;h<17;h++)  
        {  
            printf(" %02x",a[j+1][h]);  
        }  
        printf("
");  
    }     
  
}  
unsigned long int get(unsigned long int Addr)/* */  
{  
    unsigned long int data;  
    asm mov dx,0xcf8     
    asm db 0x66     
    asm mov ax, Addr  
    asm db 0x66     
    asm out dx,ax     
    asm mov dx,0xcfc     
    asm db 0x66     
    asm in ax,dx     
    asm db 0x66     
    asm mov data,ax  
    return data;  
}  
  
void main()  
{  
    int n,m,k,l;  
    int offset;  
    unsigned long int Addr,Bus,Dev,Fun,data,ll,lh,hl,hh;  
    unsigned long int Baseaddress;  
    offset = 0;  
    Baseaddress = 0x80000000;  
    Bus = 0;  
    Dev = 0;  
    Fun = 0;  
    l = 0;  
    m = 1;  
    for(n = 0;n<64;n++)  
    {  
        Addr = Baseaddress+(Bus<<16)+(Dev<<11)+(Fun<<8)+offset;  
        data = get(Addr);  
        offset = offset+4;  
        ll = data&0x000000ff;/* 32 8 */  
        lh = (data>>8)&0x0000ff;  
        hl = (data>>16)&0x00ff;  
        hh = (data>>24)&0xff;  
        a[m][l*4+1] = ll;  
        a[m][l*4+2] = lh;  
        a[m][l*4+3] = hl;  
        a[m][l*4+4] = hh;  
        l++;  
        if(0 == n%4&& 0 != n)  
        {  
            m++;  
            l = l-4;  
        }  
    }  
   output();  
   getch();  
}