+// 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 <errno.h>
#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
+#include <string.h>
+#include <u-boot/crc.h>
#include <unistd.h>
-#define __ASSEMBLY__ /* Dirty trick to get only #defines */
+#include <linux/kconfig.h>
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__ /* Dirty trick to get only #defines */
+#endif
+#define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
#include <config.h>
#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)
+#if defined(CONFIG_ENV_IS_IN_FLASH)
+# ifndef CONFIG_ENV_ADDR
+# define CONFIG_ENV_ADDR (CFG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
# endif
-# if !defined(CFG_ENV_ADDR_REDUND) && defined(CFG_ENV_OFFSET_REDUND)
-# define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + CFG_ENV_OFFSET_REDUND)
+# ifndef CONFIG_ENV_OFFSET
+# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CFG_SYS_FLASH_BASE)
# endif
-# ifndef CFG_ENV_SIZE
-# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_ENV_ADDR_REDUND (CFG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
# endif
-# if defined(CFG_ENV_ADDR_REDUND) && !defined(CFG_ENV_SIZE_REDUND)
-# define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
+# ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
# 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
+# 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
-# if defined(CFG_ENV_ADDR_REDUND) || defined(CFG_ENV_OFFSET_REDUND)
-# define CFG_REDUNDAND_ENVIRONMENT 1
-# 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)
+#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1)
#else
-# define ENV_HEADER_SIZE (sizeof(unsigned long))
+# define ENV_HEADER_SIZE (sizeof(uint32_t))
#endif
-#define ENV_SIZE (CFG_ENV_SIZE - ENV_HEADER_SIZE)
-
+#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 ENV_IS_EMBEDDED
+# include <env_internal.h>
extern unsigned int env_size;
-extern unsigned char environment;
+extern env_t embedded_environment;
#endif /* ENV_IS_EMBEDDED */
+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,
- *dataptr = envptr + ENV_HEADER_SIZE;
- unsigned int datasize = ENV_SIZE;
+#ifdef ENV_IS_EMBEDDED
+ 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;
+ }
- crc = crc32(0, dataptr, datasize) ;
+ 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);
+ }
- /* 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);
- } else {
- printf("0x%08X\n", crc);
- }
+ crc = crc32(0, dataptr, datasize);
+
+ /* Check if verbose mode is activated passing a parameter to the program */
+ if (argc > 1) {
+ 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);
+ }
#else
- printf("0\n");
+ printf ("0\n");
#endif
- return EXIT_SUCCESS;
+ return EXIT_SUCCESS;
}
-