# Simulator main loop for m32r2. -*- C -*-
-# Copyright (C) 1996, 1997, 1998, 2003 Free Software Foundation, Inc.
+#
+# Copyright 1996-2019 Free Software Foundation, Inc.
#
# This file is part of GDB, the GNU debugger.
#
# 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, or (at your option)
-# any later version.
+# the Free Software Foundation; either version 3 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.
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Syntax:
# /bin/sh mainloop.in command
{
if ((insn & 0x8000) != 0) /* parallel? */
{
- /* Yep. Here's the "interesting" [sic] part. */
- idesc = emit_parallel (current_cpu, pc, insn, sc, 1);
- sc += 3;
- max_insns -= 3;
+ int up_count;
+
+ if (((insn >> 16) & 0xfff0) == 0x10f0)
+ {
+ /* FIXME: No need to handle this sequentially if system
+ calls will be able to execute after second insn in
+ parallel. ( trap #num || insn ) */
+ /* insn */
+ idesc = emit_16 (current_cpu, pc + 2, insn & 0x7fff,
+ sc, 1, 0);
+ /* trap */
+ emit_16 (current_cpu, pc, insn >> 16, sc + 1, 1, 0);
+ up_count = 2;
+ }
+ else
+ {
+ /* Yep. Here's the "interesting" [sic] part. */
+ idesc = emit_parallel (current_cpu, pc, insn, sc, 1);
+ up_count = 3;
+ }
+ sc += up_count;
+ max_insns -= up_count;
icount += 2;
pc += 4;
if (IDESC_CTI_P (idesc))
{
- SET_CTI_VPC (sc - 3);
+ SET_CTI_VPC (sc - up_count);
break;
}
}
Only emit before/after handlers if necessary. */
if (trace_p || profile_p)
{
- idesc = emit_full_parallel (current_cpu, pc, insn, sc,
- trace_p, profile_p);
+ if (((insn >> 16) & 0xfff0) == 0x10f0)
+ {
+ /* FIXME: No need to handle this sequentially if
+ system calls will be able to execute after second
+ insn in parallel. ( trap #num || insn ) */
+ /* insn */
+ idesc = emit_full16 (current_cpu, pc + 2,
+ insn & 0x7fff, sc, 0, 0);
+ /* trap */
+ emit_full16 (current_cpu, pc, insn >> 16, sc + 3,
+ 0, 0);
+ }
+ else
+ {
+ idesc = emit_full_parallel (current_cpu, pc, insn,
+ sc, trace_p, profile_p);
+ }
cti_sc = sc + 1;
sc += 6;
max_insns -= 6;
}
else
{
- idesc = emit_parallel (current_cpu, pc, insn, sc, 0);
+ int up_count;
+
+ if (((insn >> 16) & 0xfff0) == 0x10f0)
+ {
+ /* FIXME: No need to handle this sequentially if
+ system calls will be able to execute after second
+ insn in parallel. ( trap #num || insn ) */
+ /* insn */
+ idesc = emit_16 (current_cpu, pc + 2, insn & 0x7fff,
+ sc, 0, 0);
+ /* trap */
+ emit_16 (current_cpu, pc, insn >> 16, sc + 1, 0, 0);
+ up_count = 2;
+ }
+ else
+ {
+ idesc = emit_parallel (current_cpu, pc, insn, sc, 0);
+ up_count = 3;
+ }
cti_sc = sc;
- sc += 3;
- max_insns -= 3;
+ sc += up_count;
+ max_insns -= up_count;
}
icount += 2;
pc += 4;