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Diffstat (limited to 'common/main.c')
-rw-r--r--common/main.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/common/main.c b/common/main.c
index 5ddecca..d08bc47 100644
--- a/common/main.c
+++ b/common/main.c
@@ -32,6 +32,8 @@
#include <hush.h>
#endif
+#include <post.h>
+
#if defined(CONFIG_BOOT_RETRY_TIME) && defined(CONFIG_RESET_TO_RETRY)
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); /* for do_reset() prototype */
#endif
@@ -258,6 +260,12 @@ void main_loop (void)
#ifdef CONFIG_PREBOOT
char *p;
#endif
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+ unsigned long bootcount = 0;
+ unsigned long bootlimit = 0;
+ char *bcs;
+ char bcs_set[16];
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
#if defined(CONFIG_VFD) && defined(VFD_TEST_LOGO)
ulong bmp = 0; /* default bitmap */
@@ -270,6 +278,16 @@ void main_loop (void)
trab_vfd (bmp);
#endif /* CONFIG_VFD && VFD_TEST_LOGO */
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+ bootcount = bootcount_load();
+ bootcount++;
+ bootcount_store (bootcount);
+ sprintf (bcs_set, "%lu", bootcount);
+ setenv ("bootcount", bcs_set);
+ bcs = getenv ("bootlimit");
+ bootlimit = bcs ? simple_strtoul (bcs, NULL, 10) : 0;
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
+
#ifdef CONFIG_MODEM_SUPPORT
debug ("DEBUG: main_loop: do_mdm_init=%d\n", do_mdm_init);
if (do_mdm_init) {
@@ -322,7 +340,15 @@ void main_loop (void)
init_cmd_timeout ();
# endif /* CONFIG_BOOT_RETRY_TIME */
- s = getenv ("bootcmd");
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+ if (bootlimit && (bootcount > bootlimit)) {
+ printf ("Warning: Bootlimit (%u) exceeded. Using altbootcmd.\n",
+ (unsigned)bootlimit);
+ s = getenv ("altbootcmd");
+ }
+ else
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
+ s = getenv ("bootcmd");
debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>");