X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=tools%2Fpblimage.c;h=6e6e801314956a28fe3566d535412c2bb2b8a9b2;hb=ad0fd965f7ac938923391667d2db5caa88d7bc6d;hp=ef3d7f6296efe2fa39d01fa58cf7af31d19e5b3a;hpb=707acd01ded3c60a4e277f7c5432d397897b4dfd;p=u-boot

diff --git a/tools/pblimage.c b/tools/pblimage.c
index ef3d7f6296..6e6e801314 100644
--- a/tools/pblimage.c
+++ b/tools/pblimage.c
@@ -6,6 +6,7 @@
 #include "imagetool.h"
 #include <image.h>
 #include "pblimage.h"
+#include "pbl_crc32.h"
 
 /*
  * Initialize to an invalid value.
@@ -137,52 +138,6 @@ static void pbl_parser(char *name)
 	fclose(fd);
 }
 
-static uint32_t crc_table[256];
-
-static void make_crc_table(void)
-{
-	uint32_t mask;
-	int i, j;
-	uint32_t poly; /* polynomial exclusive-or pattern */
-
-	/*
-	 * the polynomial used by PBL is 1 + x1 + x2 + x4 + x5 + x7 + x8 + x10
-	 * + x11 + x12 + x16 + x22 + x23 + x26 + x32.
-	 */
-	poly = 0x04c11db7;
-
-	for (i = 0; i < 256; i++) {
-		mask = i << 24;
-		for (j = 0; j < 8; j++) {
-			if (mask & 0x80000000)
-				mask = (mask << 1) ^ poly;
-			else
-				mask <<= 1;
-		}
-		crc_table[i] = mask;
-	}
-}
-
-unsigned long pbl_crc32(unsigned long crc, const char *buf, uint32_t len)
-{
-	uint32_t crc32_val = 0xffffffff;
-	uint32_t xor = 0x0;
-	int i;
-
-	make_crc_table();
-
-	for (i = 0; i < len; i++)
-		crc32_val = (crc32_val << 8) ^
-			crc_table[(crc32_val >> 24) ^ (*buf++ & 0xff)];
-
-	crc32_val = crc32_val ^ xor;
-	if (crc32_val < 0) {
-		crc32_val += 0xffffffff;
-		crc32_val += 1;
-	}
-	return crc32_val;
-}
-
 static uint32_t reverse_byte(uint32_t val)
 {
 	uint32_t temp;