3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #define __ASSEMBLY__ /* Dirty trick to get only #defines */
32 #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
36 #if defined(CONFIG_ENV_IS_IN_FLASH)
37 # ifndef CONFIG_ENV_ADDR
38 # define CONFIG_ENV_ADDR (CFG_FLASH_BASE + CONFIG_ENV_OFFSET)
40 # ifndef CONFIG_ENV_OFFSET
41 # define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CFG_FLASH_BASE)
43 # if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND)
44 # define CONFIG_ENV_ADDR_REDUND (CFG_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
46 # ifndef CONFIG_ENV_SIZE
47 # define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
49 # if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND)
50 # define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
52 # if (CONFIG_ENV_ADDR >= CFG_MONITOR_BASE) && \
53 ((CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= (CFG_MONITOR_BASE + CFG_MONITOR_LEN))
54 # define ENV_IS_EMBEDDED 1
56 # if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND)
57 # define CFG_REDUNDAND_ENVIRONMENT 1
59 #endif /* CONFIG_ENV_IS_IN_FLASH */
61 #ifdef CFG_REDUNDAND_ENVIRONMENT
62 # define ENV_HEADER_SIZE (sizeof(uint32_t) + 1)
64 # define ENV_HEADER_SIZE (sizeof(uint32_t))
67 #define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
70 extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int);
72 #ifdef ENV_IS_EMBEDDED
73 extern unsigned int env_size;
74 extern unsigned char environment;
75 #endif /* ENV_IS_EMBEDDED */
77 int main (int argc, char **argv)
79 #ifdef ENV_IS_EMBEDDED
81 unsigned char *envptr = &environment,
82 *dataptr = envptr + ENV_HEADER_SIZE;
83 unsigned int datasize = ENV_SIZE;
85 crc = crc32 (0, dataptr, datasize);
87 /* Check if verbose mode is activated passing a parameter to the program */
89 printf ("CRC32 from offset %08X to %08X of environment = %08X\n",
90 (unsigned int) (dataptr - envptr),
91 (unsigned int) (dataptr - envptr) + datasize,
94 printf ("0x%08X\n", crc);