#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <string.h>
#include "xf86Pci.h"
#include "xf86.h"
#define _INT10_PRIVATE
#include "xf86int10.h"
int
mapPciRom(int pciEntity, unsigned char * address)
{
PCITAG tag;
unsigned char *mem, *ptr;
int length;
pciVideoPtr pvp = xf86GetPciInfoForEntity(pciEntity);
if (pvp == NULL) {
#ifdef DEBUG
ErrorF("mapPciRom: no PCI info\n");
#endif
return 0;
}
tag = pciTag(pvp->bus,pvp->device,pvp->func);
length = 1 << pvp->biosSize;
mem = ptr = xnfcalloc(length, 1);
length = xf86ReadPciBIOS(0, tag, -1, ptr, length);
if (length > 0)
memcpy(address, ptr, length);
xfree(mem);
#ifdef DEBUG
if (!length)
ErrorF("mapPciRom: no BIOS found\n");
#ifdef PRINT_PCI
else
dprint(address,0x20);
#endif
#endif
return length;
}