*/
#ifndef USE_HOSTCC /* Shut down "ANSI does not permit..." warnings */
-#include <common.h> /* to get command definitions like CFG_CMD_JFFS2 */
+#include <common.h>
+#else
+#include <stdint.h>
#endif
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+#include <watchdog.h>
+#endif
#include "zlib.h"
#define local static
#define ZEXPORT /* empty */
-unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
#ifdef DYNAMIC_CRC_TABLE
local int crc_table_empty = 1;
-local uLongf crc_table[256];
+local uint32_t crc_table[256];
local void make_crc_table OF((void));
/*
*/
local void make_crc_table()
{
- uLong c;
+ uint32_t c;
int n, k;
- uLong poly; /* polynomial exclusive-or pattern */
+ uLong poly; /* polynomial exclusive-or pattern */
/* terms of polynomial defining this crc (except x^32): */
static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by make_crc_table)
*/
-local const uLongf crc_table[256] = {
+local const uint32_t crc_table[256] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
-const uLongf * ZEXPORT get_crc_table()
+const uint32_t * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty) make_crc_table();
#endif
- return (const uLongf *)crc_table;
+ return (const uint32_t *)crc_table;
}
#endif
#define DO8(buf) DO4(buf); DO4(buf);
/* ========================================================================= */
-uLong ZEXPORT crc32(crc, buf, len)
- uLong crc;
- const Bytef *buf;
- uInt len;
+uint32_t ZEXPORT crc32 (uint32_t crc, const Bytef *buf, uInt len)
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
return crc ^ 0xffffffffL;
}
-#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) \
- || (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
-
+#if defined(CONFIG_CMD_JFFS2) || \
+ (defined(CONFIG_CMD_NAND) \
+ && !defined(CONFIG_NAND_LEGACY))
/* No ones complement version. JFFS2 (and other things ?)
* don't use ones compliment in their CRC calculations.
*/
-uLong ZEXPORT crc32_no_comp(uLong crc, const Bytef *buf, uInt len)
+uint32_t ZEXPORT crc32_no_comp(uint32_t crc, const Bytef *buf, uInt len)
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
return crc;
}
-#endif /* CFG_CMD_JFFS2 */
+#endif
+
+/*
+ * Calculate the crc32 checksum triggering the watchdog every 'chunk_sz' bytes
+ * of input.
+ */
+uint32_t ZEXPORT crc32_wd (uint32_t crc,
+ const unsigned char *buf,
+ uInt len, uInt chunk_sz)
+{
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+ const unsigned char *end, *curr;
+ int chunk;
+
+ curr = buf;
+ end = buf + len;
+ while (curr < end) {
+ chunk = end - curr;
+ if (chunk > chunk_sz)
+ chunk = chunk_sz;
+ crc = crc32 (crc, curr, chunk);
+ curr += chunk;
+ WATCHDOG_RESET ();
+ }
+#else
+ crc = crc32 (crc, buf, len);
+#endif
+
+ return crc;
+}