+// 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>
+#include <linux/kconfig.h>
+
#ifndef __ASSEMBLY__
#define __ASSEMBLY__ /* Dirty trick to get only #defines */
#endif
#if defined(CONFIG_ENV_IS_IN_FLASH)
# ifndef CONFIG_ENV_ADDR
-# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+# define CONFIG_ENV_ADDR (CFG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
# endif
# ifndef CONFIG_ENV_OFFSET
-# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
+# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CFG_SYS_FLASH_BASE)
# endif
# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND)
-# define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_ENV_ADDR_REDUND (CFG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
# endif
# ifndef CONFIG_ENV_SIZE
# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
# endif
-# if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND)
-# define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
-# endif
-# if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND)
-# define CONFIG_SYS_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 /* CONFIG_ENV_IS_IN_FLASH */
#define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
-extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int);
-
+#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
unsigned char pad = 0x00;
uint32_t crc;
- unsigned char *envptr = &environment,
+ unsigned char *envptr = (unsigned char *)&embedded_environment,
*dataptr = envptr + ENV_HEADER_SIZE;
unsigned int datasize = ENV_SIZE;
unsigned int eoe;
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) {
}
for (i = start; i != end; i += step)
printf("%c", (crc & (0xFF << (i * 8))) >> (i * 8));
- fwrite(dataptr, 1, datasize, stdout);
+ 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),
} else {
printf ("0x%08X\n", crc);
}
-
+#else
+ printf ("0\n");
+#endif
return EXIT_SUCCESS;
}