svn commit: r305605 - head/sys/arm64/arm64

[Andrew Turner]

Author: andrew
Date: Thu Sep  8 12:39:03 2016
New Revision: 305605
URL: https://svnweb.freebsd.org/changeset/base/305605

Log:
  Don't panic when we don't handle a userland exception, not all we may see
  are currently handled.
  
  Obtained from:	ABT Systems Ltd
  MFC after:	3 days
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/arm64/arm64/trap.c

Modified: head/sys/arm64/arm64/trap.c
==============================================================================
--- head/sys/arm64/arm64/trap.c	Thu Sep  8 12:27:34 2016	(r305604)
+++ head/sys/arm64/arm64/trap.c	Thu Sep  8 12:39:03 2016	(r305605)
@@ -401,9 +401,9 @@ do_el0_sync(struct trapframe *frame)
 		userret(td, frame);
 		break;
 	default:
-		print_registers(frame);
-		panic("Unknown userland exception %x esr_el1 %lx\n", exception,
-		    esr);
+		call_trapsignal(td, SIGBUS, BUS_OBJERR, (void *)frame->tf_elr);
+		userret(td, frame);
+		break;
 	}
 }