From 0223e595f4033e91e93403a7317bcc9e47676b8f Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Wed, 23 Aug 2017 15:54:21 -0500 Subject: Initial import of modified u-boot tree Original upstream URL: git://git.denx.de/u-boot.git Original upstream GIT hash: 62c175fbb8a0f9a926c88294ea9f7e88eb898f6c --- arch/nios2/cpu/traps.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 arch/nios2/cpu/traps.c (limited to 'arch/nios2/cpu/traps.c') diff --git a/arch/nios2/cpu/traps.c b/arch/nios2/cpu/traps.c new file mode 100644 index 0000000..3f1517d --- /dev/null +++ b/arch/nios2/cpu/traps.c @@ -0,0 +1,42 @@ +/* + * (C) Copyright 2004, Psyent Corporation + * Scott McNutt + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +void trap_handler (struct pt_regs *regs) +{ + /* Just issue warning */ + printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n", + regs->reg[29] - 4); +} + +void soft_emulation (struct pt_regs *regs) +{ + /* TODO: Software emulation of mul/div etc. Until this is + * implemented, generate warning and hang. + */ + printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n", + regs->reg[29] - 4); + hang (); +} -- cgit v1.1