#
# OpenRISC instruction decode definitions.
#
# Copyright (c) 2018 Richard Henderson <rth@twiddle.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, see <http://www.gnu.org/licenses/>.
#

####
# System Instructions
####

l_sys           001000 0000000000 k:16
l_trap          001000 0100000000 k:16
l_msync         001000 1000000000 00000000 00000000
l_psync         001000 1010000000 00000000 00000000
l_csync         001000 1100000000 00000000 00000000

####
# Branch Instructions
####

l_j             000000 n:s26
l_jal           000001 n:s26
l_bnf           000011 n:s26
l_bf            000100 n:s26

l_jr            010001 ---------- b:5 -----------
l_jalr          010010 ---------- b:5 -----------