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Diffstat (limited to 'sim/tic80/alu.h')
-rw-r--r-- | sim/tic80/alu.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sim/tic80/alu.h b/sim/tic80/alu.h new file mode 100644 index 0000000..b5bc7c1 --- /dev/null +++ b/sim/tic80/alu.h @@ -0,0 +1,75 @@ +/* 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 |