Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 141 insertions, 0 deletions

diff --git a/sim/i960/i960.c b/sim/i960/i960.c
new file mode 100644
index 0000000..9737c52
--- /dev/null
+++ b/sim/i960/i960.c
@@ -0,0 +1,141 @@
+/* i960 simulator support code
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+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.
+
+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.  */
+
+#define WANT_CPU
+#define WANT_CPU_I960BASE
+
+#include "sim-main.h"
+#include "cgen-mem.h"
+#include "cgen-ops.h"
+
+/* The contents of BUF are in target byte order.  */
+
+int
+i960base_fetch_register (SIM_CPU *current_cpu, int rn, unsigned char *buf,
+			 int len)
+{
+  if (rn < 32)
+    SETTWI (buf, a_i960_h_gr_get (current_cpu, rn));
+  else
+    switch (rn)
+      {
+      case PC_REGNUM :
+	SETTWI (buf, a_i960_h_pc_get (current_cpu));
+	break;
+      default :
+	return 0;
+      }
+
+  return -1; /*FIXME*/
+
+}
+
+/* The contents of BUF are in target byte order.  */
+
+int
+i960base_store_register (SIM_CPU *current_cpu, int rn, unsigned char *buf,
+			 int len)
+{
+  if (rn < 32)
+    a_i960_h_gr_set (current_cpu, rn, GETTWI (buf));
+  else
+    switch (rn)
+      {
+      case PC_REGNUM :
+	a_i960_h_pc_set (current_cpu, GETTWI (buf));
+	break;
+      default :
+	return 0;
+      }
+
+  return -1; /*FIXME*/
+}
+
+#if WITH_PROFILE_MODEL_P
+
+/* FIXME: Some of these should be inline or macros.  Later.  */
+
+/* Initialize cycle counting for an insn.
+   FIRST_P is non-zero if this is the first insn in a set of parallel
+   insns.  */
+
+void
+i960base_model_insn_before (SIM_CPU *cpu, int first_p)
+{
+}
+
+/* Record the cycles computed for an insn.
+   LAST_P is non-zero if this is the last insn in a set of parallel insns,
+   and we update the total cycle count.
+   CYCLES is the cycle count of the insn.  */
+
+void
+i960base_model_insn_after (SIM_CPU *cpu, int last_p, int cycles)
+{
+}
+
+/* Initialize cycle counting for an insn.
+   FIRST_P is non-zero if this is the first insn in a set of parallel
+   insns.  */
+
+void
+i960_model_init_insn_cycles (SIM_CPU *cpu, int first_p)
+{
+}
+
+/* Record the cycles computed for an insn.
+   LAST_P is non-zero if this is the last insn in a set of parallel insns,
+   and we update the total cycle count.  */
+
+void
+i960_model_update_insn_cycles (SIM_CPU *cpu, int last_p)
+{
+}
+
+void
+i960_model_record_cycles (SIM_CPU *cpu, unsigned long cycles)
+{
+}
+
+void
+i960base_model_mark_get_h_gr (SIM_CPU *cpu, ARGBUF *abuf)
+{
+}
+
+void
+i960base_model_mark_set_h_gr (SIM_CPU *cpu, ARGBUF *abuf)
+{
+}
+
+#endif /* WITH_PROFILE_MODEL_P */
+
+int
+i960base_model_i960KA_u_exec (SIM_CPU *cpu, const IDESC *idesc,
+			   int unit_num, int referenced)
+{
+  return idesc->timing->units[unit_num].done;
+}
+
+int
+i960base_model_i960CA_u_exec (SIM_CPU *cpu, const IDESC *idesc,
+			   int unit_num, int referenced)
+{
+  return idesc->timing->units[unit_num].done;
+}