autoboot: add an option to override keyed autoboot
As originally implemented, setting the AUTOBOOT_KEYED config option will
prevent users from breaking into the autoboot script with ctrl-c. Restore
that option with a new config symbol.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
diff --git a/common/main.c b/common/main.c
index 6f475f0..8b6f274 100644
--- a/common/main.c
+++ b/common/main.c
@@ -392,13 +392,13 @@
debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>");
if (bootdelay != -1 && s && !abortboot(bootdelay)) {
-#ifdef CONFIG_AUTOBOOT_KEYED
+#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC)
int prev = disable_ctrlc(1); /* disable Control C checking */
#endif
run_command_list(s, -1, 0);
-#ifdef CONFIG_AUTOBOOT_KEYED
+#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC)
disable_ctrlc(prev); /* restore Control C checking */
#endif
}