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diff --git a/sim/m32r/arch.h b/sim/m32r/arch.h
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+/* Simulator header for m32r.
+
+THIS FILE IS MACHINE GENERATED WITH CGEN.
+
+Copyright (C) 1996, 1997, 1998, 1999 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.
+
+*/
+
+#ifndef M32R_ARCH_H
+#define M32R_ARCH_H
+
+#define TARGET_BIG_ENDIAN 1
+
+/* Cover fns for register access. */
+USI a_m32r_h_pc_get (SIM_CPU *);
+void a_m32r_h_pc_set (SIM_CPU *, USI);
+SI a_m32r_h_gr_get (SIM_CPU *, UINT);
+void a_m32r_h_gr_set (SIM_CPU *, UINT, SI);
+USI a_m32r_h_cr_get (SIM_CPU *, UINT);
+void a_m32r_h_cr_set (SIM_CPU *, UINT, USI);
+DI a_m32r_h_accum_get (SIM_CPU *);
+void a_m32r_h_accum_set (SIM_CPU *, DI);
+DI a_m32r_h_accums_get (SIM_CPU *, UINT);
+void a_m32r_h_accums_set (SIM_CPU *, UINT, DI);
+BI a_m32r_h_cond_get (SIM_CPU *);
+void a_m32r_h_cond_set (SIM_CPU *, BI);
+UQI a_m32r_h_psw_get (SIM_CPU *);
+void a_m32r_h_psw_set (SIM_CPU *, UQI);
+UQI a_m32r_h_bpsw_get (SIM_CPU *);
+void a_m32r_h_bpsw_set (SIM_CPU *, UQI);
+UQI a_m32r_h_bbpsw_get (SIM_CPU *);
+void a_m32r_h_bbpsw_set (SIM_CPU *, UQI);
+BI a_m32r_h_lock_get (SIM_CPU *);
+void a_m32r_h_lock_set (SIM_CPU *, BI);
+
+/* Enum declaration for model types. */
+typedef enum model_type {
+ MODEL_M32R_D, MODEL_TEST
+ , MODEL_MAX
+} MODEL_TYPE;
+
+#define MAX_MODELS ((int) MODEL_MAX)
+
+/* Enum declaration for unit types. */
+typedef enum unit_type {
+ UNIT_NONE, UNIT_M32R_D_U_STORE, UNIT_M32R_D_U_LOAD, UNIT_M32R_D_U_CTI
+ , UNIT_M32R_D_U_MAC, UNIT_M32R_D_U_CMP, UNIT_M32R_D_U_EXEC, UNIT_TEST_U_EXEC
+ , UNIT_MAX
+} UNIT_TYPE;
+
+#define MAX_UNITS (2)
+
+#endif /* M32R_ARCH_H */