--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/include/halt.h	Wed May 01 07:39:35 2013 +0000
@@ -0,0 +1,10 @@
+/*
+ * In some error cases in our loadagent code we have no better course
+ * of action available than to halt in a tight loop.  We define _exit()
+ * to do the latter.  We have defined some codes for the argument value
+ * that goes into R0; if you manage to hook up JTAG and get it to work,
+ * you might be able to see what went wrong.
+ */
+
+#define	HALTCODE_MAINEXITED	0x40
+#define	HALTCODE_INVALIDUART	0x41