sim/tic80/alu.h

   1 /* Texas Instruments TMS320C80 (MVP) Simulator.
   2    Copyright (C) 1997 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB, the GNU debugger.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21
  22
  23 #ifndef _TIC80_ALU_H_
  24 #define _TIC80_ALU_H_
  25
  26 #define ALU_CARRY 0 /* FIXME */
  27
  28 #define ALU32_END(TARG) \
  29 { \
  30   (TARG) = ALU32_RESULT; /* FIXME */ \
  31 }
  32
  33 #define ALU_END(TARG) ALU32_END(TARG)
  34
  35 #include "sim-alu.h"
  36
  37
  38
  39 /* Bring data in from the cold */
  40
  41 #define IMEM32(CIA) \
  42 (sim_core_read_aligned_4(STATE_CPU (sd, 0), CIA, exec_map, (CIA).ip))
  43
  44 #define IMEM32_IMMED(CIA, N) \
  45 (sim_core_read_aligned_4 (STATE_CPU (sd, 0), CIA, exec_map, (CIA).ip + 4 * (N)))
  46
  47 #define MEM(SIGN, EA, NR_BYTES) \
  48 ((SIGN##_##NR_BYTES) sim_core_read_unaligned_##NR_BYTES (STATE_CPU (sd, 0), cia, \
  49                                                          read_map, \
  50                                                          (EA)))
  51
  52 #define STORE(EA, NR_BYTES, VAL) \
  53 do { \
  54   sim_core_write_unaligned_##NR_BYTES (STATE_CPU (sd, 0), cia, \
  55                                        write_map, \
  56                                        (EA), (VAL)); \
  57 } while (0)
  58
  59
  60 #define long_immediate(VARIABLE) \
  61      unsigned_word VARIABLE = MEM (unsigned, nia.ip, 4); \
  62      cia.dp += sizeof (instruction_word); \
  63      nia.ip += sizeof (instruction_word); \
  64      nia.dp += sizeof (instruction_word);
  65
  66
  67
  68 /* Floating point support */
  69
  70 #define IS_FP_AVAILABLE ((CPU)->cr[IE_CR] & IE_CR_IE)
  71
  72 #include "sim-fpu.h"
  73
  74
  75 #endif