rem: static struct pir_table *find_pir_table(void)
add: find_pir_table(void)
context: static struct pir_table *find_pir_table(void){	uint32 mem_addr = (uint32)pci_bios_ptr;	int range = 0x10000;		for (; range > 0; range -= 16, mem_addr += 16) {		if (memcmp((void*)mem_addr, PIR_HEADER, 4) == 0) {			uint16 size = ((struct pir_header*)mem_addr)->tbl_sz;			if ((size >= (sizeof(struct pir_header))) &&			    (size <= (sizeof(struct pir_header) + sizeof(struct pir_slot) * 32))) {				uint16 i;				uint8 cksum = 0;								for (i = 0; i < size; i++)					cksum += ((uint8*)mem_addr)[i];				if (cksum == 0)					return (struct pir_table *)mem_addr;			}		}	}	return NULL;}