X-Git-Url: https://git.librecmc.org/?p=oweals%2Fu-boot.git;a=blobdiff_plain;f=tools%2Fenvcrc.c;h=bce77902476d65c4762980d3ea9fcbb4141f35c7;hp=7b7718324e13860f9167ffc0ebec600ff59ad9f8;hb=9452b7496f8b85ca3bdda1014495df1a6235a8de;hpb=dc17fb6dc2ea1965fc0a14674833643af678ec6f diff --git a/tools/envcrc.c b/tools/envcrc.c index 7b7718324e..bce7790247 100644 --- a/tools/envcrc.c +++ b/tools/envcrc.c @@ -1,30 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2001 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA */ +#include #include +#include #include +#include +#include #include +#include + #ifndef __ASSEMBLY__ #define __ASSEMBLY__ /* Dirty trick to get only #defines */ #endif @@ -32,63 +21,100 @@ #include #undef __ASSEMBLY__ -#if defined(CFG_ENV_IS_IN_FLASH) -# ifndef CFG_ENV_ADDR -# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) -# endif -# ifndef CFG_ENV_OFFSET -# define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE) -# endif -# if !defined(CFG_ENV_ADDR_REDUND) && defined(CFG_ENV_OFFSET_REDUND) -# define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + CFG_ENV_OFFSET_REDUND) +#if defined(CONFIG_ENV_IS_IN_FLASH) +# ifndef CONFIG_ENV_ADDR +# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) # endif -# ifndef CFG_ENV_SIZE -# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE +# ifndef CONFIG_ENV_OFFSET +# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE) # endif -# if defined(CFG_ENV_ADDR_REDUND) && !defined(CFG_ENV_SIZE_REDUND) -# define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE +# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND) +# define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND) # endif -# if (CFG_ENV_ADDR >= CFG_MONITOR_BASE) && \ - ((CFG_ENV_ADDR + CFG_ENV_SIZE) <= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) -# define ENV_IS_EMBEDDED 1 +# ifndef CONFIG_ENV_SIZE +# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE # endif -# if defined(CFG_ENV_ADDR_REDUND) || defined(CFG_ENV_OFFSET_REDUND) -# define CFG_REDUNDAND_ENVIRONMENT 1 +# if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \ + ((CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) <= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) +# define ENV_IS_EMBEDDED # endif -#endif /* CFG_ENV_IS_IN_FLASH */ +#endif /* CONFIG_ENV_IS_IN_FLASH */ -#ifdef CFG_REDUNDAND_ENVIRONMENT -# define ENV_HEADER_SIZE (sizeof(unsigned long) + 1) -#else -# define ENV_HEADER_SIZE (sizeof(unsigned long)) +#if defined(ENV_IS_EMBEDDED) && !defined(CONFIG_BUILD_ENVCRC) +# define CONFIG_BUILD_ENVCRC #endif -#define ENV_SIZE (CFG_ENV_SIZE - ENV_HEADER_SIZE) +#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT +# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1) +#else +# define ENV_HEADER_SIZE (sizeof(uint32_t)) +#endif +#define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE) -extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); -#ifdef ENV_IS_EMBEDDED +#ifdef CONFIG_BUILD_ENVCRC +# include extern unsigned int env_size; -extern unsigned char environment; -#endif /* ENV_IS_EMBEDDED */ +extern env_t embedded_environment; +#endif /* CONFIG_BUILD_ENVCRC */ + +extern uint32_t crc32(uint32_t, const unsigned char *, unsigned int); int main (int argc, char **argv) { -#ifdef ENV_IS_EMBEDDED - int crc; - unsigned char *envptr = &environment, +#ifdef CONFIG_BUILD_ENVCRC + unsigned char pad = 0x00; + uint32_t crc; + unsigned char *envptr = (unsigned char *)&embedded_environment, *dataptr = envptr + ENV_HEADER_SIZE; unsigned int datasize = ENV_SIZE; + 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); + } - crc = crc32 (0, dataptr, datasize); + crc = crc32(0, dataptr, datasize); /* Check if verbose mode is activated passing a parameter to the program */ if (argc > 1) { - printf ("CRC32 from offset %08X to %08X of environment = %08X\n", - (unsigned int) (dataptr - envptr), - (unsigned int) (dataptr - envptr) + datasize, - crc); + 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)); + if (fwrite(dataptr, 1, datasize, stdout) != datasize) + fprintf(stderr, "fwrite() failed: %s\n", strerror(errno)); + } else { + printf("CRC32 from offset %08X to %08X of environment = %08X\n", + (unsigned int) (dataptr - envptr), + (unsigned int) (dataptr - envptr) + datasize, + crc); + } } else { printf ("0x%08X\n", crc); }