Blame view
tools/envcrc.c
3.22 KB
83d290c56
|
1 |
// SPDX-License-Identifier: GPL-2.0+ |
fe57bb19b
|
2 3 4 |
/* * (C) Copyright 2001 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it |
fe57bb19b
|
5 |
*/ |
f67066b6b
|
6 |
#include <errno.h> |
fe57bb19b
|
7 |
#include <stdio.h> |
89cdab788
|
8 |
#include <stdint.h> |
fe57bb19b
|
9 |
#include <stdlib.h> |
837db3d87
|
10 |
#include <string.h> |
3db711085
|
11 |
#include <u-boot/crc.h> |
fe57bb19b
|
12 |
#include <unistd.h> |
f33f3e07f
|
13 |
#include <linux/kconfig.h> |
dc17fb6dc
|
14 15 16 17 |
#ifndef __ASSEMBLY__ #define __ASSEMBLY__ /* Dirty trick to get only #defines */ #endif #define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */ |
fe57bb19b
|
18 19 |
#include <config.h> #undef __ASSEMBLY__ |
5a1aceb06
|
20 |
#if defined(CONFIG_ENV_IS_IN_FLASH) |
0e8d15866
|
21 |
# ifndef CONFIG_ENV_ADDR |
6d0f6bcf3
|
22 |
# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) |
fe57bb19b
|
23 |
# endif |
0e8d15866
|
24 |
# ifndef CONFIG_ENV_OFFSET |
6d0f6bcf3
|
25 |
# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE) |
fe57bb19b
|
26 |
# endif |
0e8d15866
|
27 |
# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND) |
6d0f6bcf3
|
28 |
# define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND) |
43d9616cf
|
29 |
# endif |
0e8d15866
|
30 31 |
# ifndef CONFIG_ENV_SIZE # define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE |
fe57bb19b
|
32 |
# endif |
a747a7f31
|
33 34 |
# if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \ ((CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) |
6f403bad8
|
35 |
# define ENV_IS_EMBEDDED |
a747a7f31
|
36 |
# endif |
5a1aceb06
|
37 |
#endif /* CONFIG_ENV_IS_IN_FLASH */ |
fe57bb19b
|
38 |
|
c3eb3fe49
|
39 |
#if defined(ENV_IS_EMBEDDED) && !defined(CONFIG_BUILD_ENVCRC) |
6f403bad8
|
40 |
# define CONFIG_BUILD_ENVCRC |
c3eb3fe49
|
41 |
#endif |
6d0f6bcf3
|
42 |
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT |
89cdab788
|
43 |
# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1) |
43d9616cf
|
44 |
#else |
89cdab788
|
45 |
# define ENV_HEADER_SIZE (sizeof(uint32_t)) |
43d9616cf
|
46 |
#endif |
0e8d15866
|
47 |
#define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE) |
43d9616cf
|
48 |
|
c3eb3fe49
|
49 |
#ifdef CONFIG_BUILD_ENVCRC |
f3998fdc4
|
50 |
# include <env_internal.h> |
fe57bb19b
|
51 |
extern unsigned int env_size; |
be54ec162
|
52 |
extern env_t embedded_environment; |
c3eb3fe49
|
53 |
#endif /* CONFIG_BUILD_ENVCRC */ |
fe57bb19b
|
54 |
|
b2ea91ba5
|
55 |
extern uint32_t crc32(uint32_t, const unsigned char *, unsigned int); |
73f94ed40
|
56 |
|
fe57bb19b
|
57 58 |
int main (int argc, char **argv) { |
c3eb3fe49
|
59 |
#ifdef CONFIG_BUILD_ENVCRC |
837db3d87
|
60 |
unsigned char pad = 0x00; |
89cdab788
|
61 |
uint32_t crc; |
be54ec162
|
62 |
unsigned char *envptr = (unsigned char *)&embedded_environment, |
dc17fb6dc
|
63 64 |
*dataptr = envptr + ENV_HEADER_SIZE; unsigned int datasize = ENV_SIZE; |
837db3d87
|
65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 |
unsigned int eoe; if (argv[1] && !strncmp(argv[1], "--binary", 8)) { int ipad = 0xff; if (argv[1][8] == '=') sscanf(argv[1] + 9, "%i", &ipad); pad = ipad; } if (pad) { /* find the end of env */ for (eoe = 0; eoe < datasize - 1; ++eoe) if (!dataptr[eoe] && !dataptr[eoe+1]) { eoe += 2; break; } if (eoe < datasize - 1) memset(dataptr + eoe, pad, datasize - eoe); } |
fe57bb19b
|
84 |
|
b2ea91ba5
|
85 |
crc = crc32(0, dataptr, datasize); |
fe57bb19b
|
86 |
|
dc17fb6dc
|
87 88 |
/* Check if verbose mode is activated passing a parameter to the program */ if (argc > 1) { |
837db3d87
|
89 90 91 92 93 94 95 96 97 98 99 100 101 102 |
if (!strncmp(argv[1], "--binary", 8)) { int le = (argc > 2 ? !strcmp(argv[2], "le") : 1); size_t i, start, end, step; if (le) { start = 0; end = ENV_HEADER_SIZE; step = 1; } else { start = ENV_HEADER_SIZE - 1; end = -1; step = -1; } for (i = start; i != end; i += step) printf("%c", (crc & (0xFF << (i * 8))) >> (i * 8)); |
f67066b6b
|
103 104 105 |
if (fwrite(dataptr, 1, datasize, stdout) != datasize) fprintf(stderr, "fwrite() failed: %s ", strerror(errno)); |
837db3d87
|
106 107 108 109 110 111 112 |
} else { printf("CRC32 from offset %08X to %08X of environment = %08X ", (unsigned int) (dataptr - envptr), (unsigned int) (dataptr - envptr) + datasize, crc); } |
dc17fb6dc
|
113 114 115 116 |
} else { printf ("0x%08X ", crc); } |
a747a7f31
|
117 118 119 120 |
#else printf ("0 "); #endif |
dc17fb6dc
|
121 |
return EXIT_SUCCESS; |
fe57bb19b
|
122 |
} |