Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 107 insertions, 0 deletions

diff --git a/sim/mn10300/sim-main.h b/sim/mn10300/sim-main.h
new file mode 100644
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--- /dev/null
+++ b/sim/mn10300/sim-main.h
@@ -0,0 +1,107 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
+    Copyright (C) 1997, Free Software Foundation
+
+    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.
+ 
+    */
+
+
+#ifndef SIM_MAIN_H
+#define SIM_MAIN_H
+
+#define WITH_CORE
+#define WITH_WATCHPOINTS 1
+#define SIM_HANDLES_LMA 1
+
+#define SIM_ENGINE_HALT_HOOK(SD,LAST_CPU,CIA) 0 /* disable this hook */
+
+#include "sim-basics.h"
+#include "sim-signal.h"
+
+#include <signal.h> /* For kill() in insns:do_trap */
+
+#include <errno.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+/* These are generated files.  */
+#include "itable.h"
+#include "idecode.h"
+#include "idecode.h"
+
+typedef instruction_address sim_cia;
+static const sim_cia null_cia = {0}; /* Dummy */
+#define NULL_CIA null_cia
+/* FIXME: Perhaps igen should generate access macros for
+   `instruction_address' that we could use.  */
+/*#define CIA_ADDR(cia) ((cia).ip) doesn't work for mn10300*/
+
+#define WITH_WATCHPOINTS 1
+
+#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR)  \
+mn10300_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER), (ERROR))
+
+
+#include "sim-base.h"
+
+#include "mn10300_sim.h"
+
+/* Bring data in from the cold */
+
+#define IMEM8(EA) \
+(sim_core_read_aligned_1(STATE_CPU(sd, 0), EA, exec_map, (EA)))
+
+#define IMEM8_IMMED(EA, N) \
+(sim_core_read_aligned_1(STATE_CPU(sd, 0), EA, exec_map, (EA) + (N)))
+
+
+/* FIXME: For moment, save/restore PC value found in struct State.
+   Struct State will one day go away, being placed in the sim_cpu
+   state. */
+#define CIA_GET(CPU) ((PC) + 0)
+#define CIA_SET(CPU,VAL) ((CPU)->cia = (VAL), PC = (VAL))
+
+
+struct _sim_cpu {
+  sim_event *pending_nmi;
+  sim_cia cia;
+  sim_cpu_base base;
+};
+
+
+struct sim_state {
+
+  /* the processors proper */
+  sim_cpu cpu;
+#define STATE_CPU(sd, n) (&(sd)->cpu)
+
+  /* The base class.  */
+  sim_state_base base;
+
+};
+
+/* For compatibility, until all functions converted to passing
+   SIM_DESC as an argument */
+extern SIM_DESC simulator;
+
+/* (re) initialize the simulator */
+
+extern void engine_init(SIM_DESC sd);
+extern SIM_CORE_SIGNAL_FN mn10300_core_signal;
+
+#endif