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authorLi-Ta Lo <ollie@lanl.gov>2004-04-14 22:24:50 +0000
committerLi-Ta Lo <ollie@lanl.gov>2004-04-14 22:24:50 +0000
commit6463ae7f1bd1f7ab60725529cf79af30a0e7297d (patch)
treee8ddaba7c8da40c8f125149b0c3457c48550f619 /util/getpir/checksum.c
parent815a80316448f72ec9501da5c545595c30880e70 (diff)
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
Diffstat (limited to 'util/getpir/checksum.c')
-rw-r--r--util/getpir/checksum.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/util/getpir/checksum.c b/util/getpir/checksum.c
new file mode 100644
index 0000000000..a202f90912
--- /dev/null
+++ b/util/getpir/checksum.c
@@ -0,0 +1,14 @@
+#include <arch/pirq_routing.h>
+
+#include "checksum.h"
+
+int calc_checksum(struct irq_routing_table *rt)
+{
+ long i;
+ uint8_t *addr, sum = 0;
+
+ addr = (uint8_t *) rt;
+ for (i = 0; i < rt->size; i++)
+ sum += addr[i];
+ return (sum);
+}