summaryrefslogtreecommitdiff
path: root/tools/envcrc.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/envcrc.c')
-rw-r--r--tools/envcrc.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/envcrc.c b/tools/envcrc.c
index d1e84b3..c8c50d7 100644
--- a/tools/envcrc.c
+++ b/tools/envcrc.c
@@ -51,6 +51,10 @@
# if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND)
# define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
# endif
+# 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 1
+# endif
# if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND)
# define CONFIG_SYS_REDUNDAND_ENVIRONMENT 1
# endif
@@ -67,11 +71,14 @@
extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int);
+#ifdef ENV_IS_EMBEDDED
extern unsigned int env_size;
extern unsigned char environment;
+#endif /* ENV_IS_EMBEDDED */
int main (int argc, char **argv)
{
+#ifdef ENV_IS_EMBEDDED
unsigned char pad = 0x00;
uint32_t crc;
unsigned char *envptr = &environment,
@@ -126,6 +133,8 @@ int main (int argc, char **argv)
} else {
printf ("0x%08X\n", crc);
}
-
+#else
+ printf ("0\n");
+#endif
return EXIT_SUCCESS;
}