};
uint32_t crc32 (uint32_t, const unsigned char *, uint);
+uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
static void genimg_print_size (uint32_t size);
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
static void genimg_print_time (time_t timestamp);
{
ulong data = image_get_data (hdr);
ulong len = image_get_data_size (hdr);
- ulong dcrc = crc32 (0, (unsigned char *)data, len);
+ ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32);
return (dcrc == image_get_dcrc (hdr));
}
-#ifndef USE_HOSTCC
-int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz)
-{
- ulong dcrc = 0;
- ulong len = image_get_data_size (hdr);
- ulong data = image_get_data (hdr);
-
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
- ulong cdata = data;
- ulong edata = cdata + len;
-
- while (cdata < edata) {
- ulong chunk = edata - cdata;
-
- if (chunk > chunksz)
- chunk = chunksz;
- dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk);
- cdata += chunk;
-
- WATCHDOG_RESET ();
- }
-#else
- dcrc = crc32 (0, (unsigned char *)data, len);
-#endif
-
- return (dcrc == image_get_dcrc (hdr));
-}
-#endif /* !USE_HOSTCC */
/**
* image_multi_count - get component (sub-image) count
if (verify) {
puts(" Verifying Checksum ... ");
- if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) {
+ if (!image_check_dcrc (rd_hdr)) {
puts ("Bad Data CRC\n");
show_boot_progress (-12);
return NULL;
uint8_t *value, int *value_len)
{
if (strcmp (algo, "crc32") == 0 ) {
- *((uint32_t *)value) = crc32 (0, data, data_len);
+ *((uint32_t *)value) = crc32_wd (0, data, data_len,
+ CHUNKSZ_CRC32);
*((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value));
*value_len = 4;
} else if (strcmp (algo, "sha1") == 0 ) {
- sha1_csum ((unsigned char *) data, data_len,
- (unsigned char *) value);
+ sha1_csum_wd ((unsigned char *) data, data_len,
+ (unsigned char *) value, CHUNKSZ_SHA1);
*value_len = 20;
} else if (strcmp (algo, "md5") == 0 ) {
- md5 ((unsigned char *)data, data_len, value);
+ md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
*value_len = 16;
} else {
debug ("Unsupported hash alogrithm\n");
/*
* Some systems (for example LWMON) have very short watchdog periods;
* we must make sure to split long operations like memmove() or
- * crc32() into reasonable chunks.
+ * checksum calculations into reasonable chunks.
*/
+#ifndef CHUNKSZ
#define CHUNKSZ (64 * 1024)
+#endif
+
+#ifndef CHUNKSZ_CRC32
+#define CHUNKSZ_CRC32 (64 * 1024)
+#endif
+
+#ifndef CHUNKSZ_MD5
+#define CHUNKSZ_MD5 (64 * 1024)
+#endif
+
+#ifndef CHUNKSZ_SHA1
+#define CHUNKSZ_SHA1 (64 * 1024)
+#endif
#define uimage_to_cpu(x) ntohl(x)
#define cpu_to_uimage(x) htonl(x)
int image_check_hcrc (image_header_t *hdr);
int image_check_dcrc (image_header_t *hdr);
#ifndef USE_HOSTCC
-int image_check_dcrc_wd (image_header_t *hdr, ulong chunksize);
int getenv_yesno (char *var);
ulong getenv_bootm_low(void);
ulong getenv_bootm_size(void);