seperate checksum and code generating code.

use mmap instead of file io


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1504 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/getpir/checkpir.c

@@ -4,24 +4,12 @@
 */
 
 #include <stdio.h>
-
-#include <device/pci.h>
 #include <arch/pirq_routing.h>
 
-struct irq_info se_arr[50];
+#include "checksum.h"
+
 struct irq_routing_table *rt;
 
-int calc_checksum(struct irq_routing_table *rt)
-{
-	long sum = 0, i;
-	uint8_t *addr, sum2 = 0;
-
-	addr = (uint8_t *) rt;
-	for (i = 0; i < rt->size; i++)
-		sum2 += addr[i];
-	return (sum2);
-}
-
 main()
 {
 	uint8_t sum, newsum;