1 /* checkpir.c : This software is released under GPL
3 Aug 26 2001 , Nikolai Vladychevski, <niko@isl.net.mx>
10 #include <device/pci.h>
11 #include <pirq_routing.h>
13 #define PIRQ_SIGNATURE (('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24))
14 #define PIRQ_VERS 0x0100
16 struct irq_info se_arr[50];
17 struct irq_routing_table *rt;
19 int calc_checksum(struct irq_routing_table *rt)
22 uint8_t *addr, sum2 = 0;
24 addr = (uint8_t *) rt;
25 for (i = 0; i < rt->size; i++)
34 rt = (struct irq_routing_table *) &intel_irq_routing_table;
35 sum = calc_checksum(rt);
37 printf("Validating checksum, file: irq_tables.c that was in ./ at compile time...\n");
38 printf("(no other tests are done)\n");
41 printf("Checksum for IRQ Routing table is ok. You can use it in LinuxBios now\n");
43 newsum = rt->checksum - sum;
44 printf("BAD CHECKSUM for IRQ Routing table !!!!\n");
45 printf("If you want to make it valid, change the checksum to: %#x\n",