1 files changed, 133 insertions, 0 deletions
diff --git a/sim/m32r/mloopx.in b/sim/m32r/mloopx.in
new file mode 100644
index 0000000..533aca5
--- /dev/null
+++ b/sim/m32r/mloopx.in
@@ -0,0 +1,133 @@
+# Simulator main loop for m32rx. -*- C -*-
+# Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Simulators.
+#
+# 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.
+#
+# 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.
+
+# Syntax:
+# /bin/sh mainloop.in init|support|{full,fast}-{extract,exec}-{scache,noscache}
+
+# ??? After a few more ports are done, revisit.
+# Will eventually need to machine generate a lot of this.
+
+case "x$1" in
+
+xsupport)
+
+cat <<EOF
+
+EOF
+
+;;
+
+xinit)
+
+cat <<EOF
+  USI insn,insn1,insn2;
+  DECODE *decode,*d1,*d2;
+  int icount,icount2;
+  ARGBUF abufs[MAX_PARALLEL_INSNS];
+  SEM_ARG sem_arg;
+
+EOF
+
+;;
+
+xfull-extract-* | xfast-extract-*)
+
+cat <<EOF
+{
+  PCADDR pc = CPU (h_pc);
+
+  if ((pc & 3) != 0)
+    {
+      insn1 = GETIMEMUHI (current_cpu, pc);
+      insn1 &= 0x7fff;
+      d1 = m32rx_decode (current_cpu, pc, insn1);
+      icount = 1;
+    }
+  else
+    {
+      insn1 = GETIMEMUSI (current_cpu, pc);
+      if ((SI) insn1 < 0)
+	{
+	  d1 = m32rx_decode (current_cpu, pc, insn1 >> 16);
+	  icount = 1;
+	}
+      else
+	{
+	  if (insn & 0x8000)
+	    {
+	      insn2 = insn1 & 0x7fff;
+	      insn1 = insn1 >> 16;
+	      d1 = m32rx_decode (current_cpu, pc, insn1);
+	      d2 = m32rx_decode (current_cpu, pc, insn2);
+	      icount = 2;
+	    }
+	  else
+	    {
+	      insn1 = insn1 >> 16;
+	      d1 = m32rx_decode (current_cpu, pc, insn1);
+	      icount = 1;
+	    }
+	}
+    }
+
+  icount2 = icount;
+  insn = insn1;
+  decode = d1;
+  do
+    {
+#define DEFINE_SWITCH
+#include "readx.c"
+
+      insn = insn2;
+      decode = d2;
+    }
+  while (--icount2 > 0);
+}
+EOF
+
+;;
+
+xfull-exec-* | xfast-exec-*)
+
+cat <<EOF
+{
+  decode = d1;
+  do
+    {
+      PCADDR new_pc;
+      TRACE_INSN_INIT (current_cpu);
+      TRACE_INSN (current_cpu, sc->argbuf.opcode, (const struct argbuf *) &sc->argbuf, sc->argbuf.addr);
+      new_pc = (*decode->semantic) (current_cpu, &sc->argbuf);
+      TRACE_INSN_FINI (current_cpu);
+      PROFILE_COUNT_INSN (current_cpu, pc, CGEN_INSN_INDEX (sc->argbuf.opcode));
+      CPU (h_pc) = new_pc;
+      decode = d2;
+    }
+  while (--icount > 0);
+}
+EOF
+
+;;
+
+*)
+  echo "Invalid argument to mainloop.in: $1" >&2
+  exit 1
+  ;;
+
+esac