TIc80 simulator.

1 files changed, 75 insertions, 0 deletions

diff --git a/sim/tic80/alu.h b/sim/tic80/alu.h
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+++ b/sim/tic80/alu.h
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+/* Texas Instruments TMS320C80 (MVP) Simulator.
+   Copyright (C) 1997 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.  */
+
+
+
+#ifndef _TIC80_ALU_H_
+#define _TIC80_ALU_H_
+
+#define ALU_CARRY 0 /* FIXME */
+
+#define ALU32_END(TARG) \
+{ \
+  (TARG) = ALU32_RESULT; /* FIXME */ \
+}
+
+#define ALU_END(TARG) ALU32_END(TARG)
+
+#include "sim-alu.h"
+
+
+
+/* Bring data in from the cold */
+
+#define IMEM32(CIA) \
+(sim_core_read_aligned_4(STATE_CPU (sd, 0), CIA, exec_map, (CIA).ip))
+
+#define IMEM32_IMMED(CIA, N) \
+(sim_core_read_aligned_4 (STATE_CPU (sd, 0), CIA, exec_map, (CIA).ip + 4 * (N)))
+
+#define MEM(SIGN, EA, NR_BYTES) \
+((SIGN##_##NR_BYTES) sim_core_read_unaligned_##NR_BYTES (STATE_CPU (sd, 0), cia, \
+                                                         read_map, \
+                                                         (EA)))
+
+#define STORE(EA, NR_BYTES, VAL) \
+do { \
+  sim_core_write_unaligned_##NR_BYTES (STATE_CPU (sd, 0), cia, \
+                                       write_map, \
+                                       (EA), (VAL)); \
+} while (0)
+
+
+#define long_immediate(VARIABLE) \
+     unsigned_word VARIABLE = MEM (unsigned, nia.ip, 4); \
+     cia.dp += sizeof (instruction_word); \
+     nia.ip += sizeof (instruction_word); \
+     nia.dp += sizeof (instruction_word);
+
+
+
+/* Floating point support */
+
+#define IS_FP_AVAILABLE ((CPU)->cr[IE_CR] & IE_CR_IE)
+
+#include "sim-fpu.h"
+
+
+#endif