wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame^] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
Mike Frysinger | f67066b | 2009-10-18 20:43:14 -0400 | [diff] [blame] | 8 | #include <errno.h> |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 9 | #include <stdio.h> |
Mike Frysinger | 89cdab7 | 2008-03-31 11:02:01 -0400 | [diff] [blame] | 10 | #include <stdint.h> |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 11 | #include <stdlib.h> |
Mike Frysinger | 837db3d | 2009-05-06 08:41:45 -0400 | [diff] [blame] | 12 | #include <string.h> |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 13 | #include <unistd.h> |
| 14 | |
Wolfgang Denk | dc17fb6 | 2005-08-03 22:32:02 +0200 | [diff] [blame] | 15 | #ifndef __ASSEMBLY__ |
| 16 | #define __ASSEMBLY__ /* Dirty trick to get only #defines */ |
| 17 | #endif |
| 18 | #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */ |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 19 | #include <config.h> |
| 20 | #undef __ASSEMBLY__ |
| 21 | |
Jean-Christophe PLAGNIOL-VILLARD | 5a1aceb | 2008-09-10 22:48:04 +0200 | [diff] [blame] | 22 | #if defined(CONFIG_ENV_IS_IN_FLASH) |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 23 | # ifndef CONFIG_ENV_ADDR |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 24 | # define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 25 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 26 | # ifndef CONFIG_ENV_OFFSET |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 27 | # define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE) |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 28 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 29 | # if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 30 | # define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND) |
wdenk | 43d9616 | 2003-03-06 00:02:04 +0000 | [diff] [blame] | 31 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 32 | # ifndef CONFIG_ENV_SIZE |
| 33 | # define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 34 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 35 | # if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND) |
| 36 | # define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE |
wdenk | 43d9616 | 2003-03-06 00:02:04 +0000 | [diff] [blame] | 37 | # endif |
Wolfgang Denk | a747a7f | 2009-10-27 00:03:32 +0100 | [diff] [blame] | 38 | # if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \ |
| 39 | ((CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) |
Igor Grinberg | 6f403ba | 2011-12-25 01:42:57 +0000 | [diff] [blame] | 40 | # define ENV_IS_EMBEDDED |
Wolfgang Denk | a747a7f | 2009-10-27 00:03:32 +0100 | [diff] [blame] | 41 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 42 | # if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND) |
Igor Grinberg | 6f403ba | 2011-12-25 01:42:57 +0000 | [diff] [blame] | 43 | # define CONFIG_SYS_REDUNDAND_ENVIRONMENT |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 44 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 5a1aceb | 2008-09-10 22:48:04 +0200 | [diff] [blame] | 45 | #endif /* CONFIG_ENV_IS_IN_FLASH */ |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 46 | |
Mike Frysinger | c3eb3fe | 2011-07-08 10:44:25 +0000 | [diff] [blame] | 47 | #if defined(ENV_IS_EMBEDDED) && !defined(CONFIG_BUILD_ENVCRC) |
Igor Grinberg | 6f403ba | 2011-12-25 01:42:57 +0000 | [diff] [blame] | 48 | # define CONFIG_BUILD_ENVCRC |
Mike Frysinger | c3eb3fe | 2011-07-08 10:44:25 +0000 | [diff] [blame] | 49 | #endif |
| 50 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 51 | #ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT |
Mike Frysinger | 89cdab7 | 2008-03-31 11:02:01 -0400 | [diff] [blame] | 52 | # define ENV_HEADER_SIZE (sizeof(uint32_t) + 1) |
wdenk | 43d9616 | 2003-03-06 00:02:04 +0000 | [diff] [blame] | 53 | #else |
Mike Frysinger | 89cdab7 | 2008-03-31 11:02:01 -0400 | [diff] [blame] | 54 | # define ENV_HEADER_SIZE (sizeof(uint32_t)) |
wdenk | 43d9616 | 2003-03-06 00:02:04 +0000 | [diff] [blame] | 55 | #endif |
| 56 | |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 57 | #define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE) |
wdenk | 43d9616 | 2003-03-06 00:02:04 +0000 | [diff] [blame] | 58 | |
| 59 | |
Mike Frysinger | c3eb3fe | 2011-07-08 10:44:25 +0000 | [diff] [blame] | 60 | #ifdef CONFIG_BUILD_ENVCRC |
Igor Grinberg | 73f94ed | 2011-11-27 21:57:38 +0000 | [diff] [blame] | 61 | # include <environment.h> |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 62 | extern unsigned int env_size; |
Igor Grinberg | 994bc67 | 2011-11-17 06:07:23 +0000 | [diff] [blame] | 63 | extern env_t environment; |
Mike Frysinger | c3eb3fe | 2011-07-08 10:44:25 +0000 | [diff] [blame] | 64 | #endif /* CONFIG_BUILD_ENVCRC */ |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 65 | |
Igor Grinberg | 73f94ed | 2011-11-27 21:57:38 +0000 | [diff] [blame] | 66 | extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int); |
| 67 | |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 68 | int main (int argc, char **argv) |
| 69 | { |
Mike Frysinger | c3eb3fe | 2011-07-08 10:44:25 +0000 | [diff] [blame] | 70 | #ifdef CONFIG_BUILD_ENVCRC |
Mike Frysinger | 837db3d | 2009-05-06 08:41:45 -0400 | [diff] [blame] | 71 | unsigned char pad = 0x00; |
Mike Frysinger | 89cdab7 | 2008-03-31 11:02:01 -0400 | [diff] [blame] | 72 | uint32_t crc; |
Igor Grinberg | 994bc67 | 2011-11-17 06:07:23 +0000 | [diff] [blame] | 73 | unsigned char *envptr = (unsigned char *)&environment, |
Wolfgang Denk | dc17fb6 | 2005-08-03 22:32:02 +0200 | [diff] [blame] | 74 | *dataptr = envptr + ENV_HEADER_SIZE; |
| 75 | unsigned int datasize = ENV_SIZE; |
Mike Frysinger | 837db3d | 2009-05-06 08:41:45 -0400 | [diff] [blame] | 76 | unsigned int eoe; |
| 77 | |
| 78 | if (argv[1] && !strncmp(argv[1], "--binary", 8)) { |
| 79 | int ipad = 0xff; |
| 80 | if (argv[1][8] == '=') |
| 81 | sscanf(argv[1] + 9, "%i", &ipad); |
| 82 | pad = ipad; |
| 83 | } |
| 84 | |
| 85 | if (pad) { |
| 86 | /* find the end of env */ |
| 87 | for (eoe = 0; eoe < datasize - 1; ++eoe) |
| 88 | if (!dataptr[eoe] && !dataptr[eoe+1]) { |
| 89 | eoe += 2; |
| 90 | break; |
| 91 | } |
| 92 | if (eoe < datasize - 1) |
| 93 | memset(dataptr + eoe, pad, datasize - eoe); |
| 94 | } |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 95 | |
Wolfgang Denk | dc17fb6 | 2005-08-03 22:32:02 +0200 | [diff] [blame] | 96 | crc = crc32 (0, dataptr, datasize); |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 97 | |
Wolfgang Denk | dc17fb6 | 2005-08-03 22:32:02 +0200 | [diff] [blame] | 98 | /* Check if verbose mode is activated passing a parameter to the program */ |
| 99 | if (argc > 1) { |
Mike Frysinger | 837db3d | 2009-05-06 08:41:45 -0400 | [diff] [blame] | 100 | if (!strncmp(argv[1], "--binary", 8)) { |
| 101 | int le = (argc > 2 ? !strcmp(argv[2], "le") : 1); |
| 102 | size_t i, start, end, step; |
| 103 | if (le) { |
| 104 | start = 0; |
| 105 | end = ENV_HEADER_SIZE; |
| 106 | step = 1; |
| 107 | } else { |
| 108 | start = ENV_HEADER_SIZE - 1; |
| 109 | end = -1; |
| 110 | step = -1; |
| 111 | } |
| 112 | for (i = start; i != end; i += step) |
| 113 | printf("%c", (crc & (0xFF << (i * 8))) >> (i * 8)); |
Mike Frysinger | f67066b | 2009-10-18 20:43:14 -0400 | [diff] [blame] | 114 | if (fwrite(dataptr, 1, datasize, stdout) != datasize) |
| 115 | fprintf(stderr, "fwrite() failed: %s\n", strerror(errno)); |
Mike Frysinger | 837db3d | 2009-05-06 08:41:45 -0400 | [diff] [blame] | 116 | } else { |
| 117 | printf("CRC32 from offset %08X to %08X of environment = %08X\n", |
| 118 | (unsigned int) (dataptr - envptr), |
| 119 | (unsigned int) (dataptr - envptr) + datasize, |
| 120 | crc); |
| 121 | } |
Wolfgang Denk | dc17fb6 | 2005-08-03 22:32:02 +0200 | [diff] [blame] | 122 | } else { |
| 123 | printf ("0x%08X\n", crc); |
| 124 | } |
Wolfgang Denk | a747a7f | 2009-10-27 00:03:32 +0100 | [diff] [blame] | 125 | #else |
| 126 | printf ("0\n"); |
| 127 | #endif |
Wolfgang Denk | dc17fb6 | 2005-08-03 22:32:02 +0200 | [diff] [blame] | 128 | return EXIT_SUCCESS; |
wdenk | fe57bb1 | 2002-09-18 13:23:15 +0000 | [diff] [blame] | 129 | } |