diff options
Diffstat (limited to 'sim/m32r/mloop.in')
| -rw-r--r-- | sim/m32r/mloop.in | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/sim/m32r/mloop.in b/sim/m32r/mloop.in deleted file mode 100644 index 921fa89..0000000 --- a/sim/m32r/mloop.in +++ /dev/null @@ -1,187 +0,0 @@ -# Simulator main loop for m32r. -*- C -*- -# Copyright (C) 1996, 1997 Free Software Foundation, Inc. -# -# This file is part of the GNU Simulators. -# -# 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. - -# Syntax: -# /bin/sh mainloop.in init|support|{full,fast}-{extract,exec}-{scache,noscache} - -# ??? After a few more ports are done, revisit. -# Will eventually need to machine generate a lot of this. - -case "x$1" in - -xsupport) - -cat <<EOF - -static INLINE void -extract16 (SIM_CPU *current_cpu, PCADDR pc, insn_t insn, - SCACHE *sc, int fast_p) -{ - const IDESC *d = @cpu@_decode (current_cpu, pc, insn); - (*d->extract) (current_cpu, pc, insn, &sc->argbuf); - if (fast_p) - { -#if WITH_SEM_SWITCH_FAST -#ifdef __GNUC__ - sc->semantic.sem_case = d->sem_fast_lab; -#else - sc->semantic.sem_case = d->num; -#endif -#else - sc->semantic.sem_fast = d->sem_fast; -#endif - } - else - { - sc->semantic.sem_full = d->sem_full; - } - sc->argbuf.idesc = d; - sc->next = pc + 2; -} - -static INLINE void -extract32 (SIM_CPU *current_cpu, PCADDR pc, insn_t insn, - SCACHE *sc, int fast_p) -{ - const IDESC *d = @cpu@_decode (current_cpu, pc, (USI) insn >> 16); - (*d->extract) (current_cpu, pc, insn, &sc->argbuf); - if (fast_p) - { -#if WITH_SEM_SWITCH_FAST -#ifdef __GNUC__ - sc->semantic.sem_case = d->sem_fast_lab; -#else - sc->semantic.sem_case = d->num; -#endif -#else - sc->semantic.sem_fast_fn = d->sem_fast; -#endif - } - else - { - sc->semantic.sem_full = d->sem_full; - } - sc->argbuf.idesc = d; - sc->next = pc + 4; -} - -static INLINE PCADDR -execute (SIM_CPU *current_cpu, SCACHE *sc, int fast_p) -{ - PCADDR pc; - - if (fast_p) - { -#if WITH_SCACHE && ! WITH_SEM_SWITCH_FAST - pc = (*sc->semantic.sem_fast) (current_cpu, sc); -#else -#if 0 - pc = (*sc->semantic.sem_full) (current_cpu, &sc->argbuf); -#else - pc = (*sc->semantic.sem_full) (current_cpu, sc); -#endif -#endif - } - else - { - m32r_model_init_insn_cycles (current_cpu, 1); - TRACE_INSN_INIT (current_cpu, 1); - TRACE_INSN (current_cpu, sc->argbuf.idesc->opcode, (const struct argbuf *) &sc->argbuf, sc->argbuf.addr); -#if 0 - pc = (*sc->semantic.sem_full) (current_cpu, &sc->argbuf); -#else - pc = (*sc->semantic.sem_full) (current_cpu, sc); -#endif - m32r_model_update_insn_cycles (current_cpu, 1); - TRACE_INSN_FINI (current_cpu, 1); - } - - return pc; -} - -EOF - -;; - -xinit) - -cat <<EOF -/*xxxinit*/ -EOF - -;; - -xfull-extract-* | xfast-extract-*) - -cat <<EOF -{ - PCADDR pc = CPU (h_pc); - - if ((pc & 3) != 0) - { - /* This only occurs when single stepping. - The test is unnecessary otherwise, but the cost is teensy, - compared with decoding/extraction. */ - UHI insn = GETIMEMUHI (current_cpu, pc); - extract16 (current_cpu, pc, insn & 0x7fff, sc, FAST_P); - } - else - { - USI insn = GETIMEMUSI (current_cpu, pc); - if ((SI) insn < 0) - { - extract32 (current_cpu, pc, insn, sc, FAST_P); - } - else - { - extract16 (current_cpu, pc, insn >> 16, sc, FAST_P); - extract16 (current_cpu, pc + 2, insn & 0x7fff, sc + 1, FAST_P); - /* The m32r doesn't support parallel execution. */ - if ((insn & 0x8000) != 0 - && (insn & 0x7fff) != 0x7000) /* parallel nops are ok */ - sim_engine_illegal_insn (current_cpu, pc); - } - } -} -EOF - -;; - -xfull-exec-* | xfast-exec-*) - -cat <<EOF -{ -#if WITH_SCACHE && FAST_P && WITH_SEM_SWITCH_FAST -#define DEFINE_SWITCH -#include "sem-switch.c" -#else - PCADDR new_pc = execute (current_cpu, sc, FAST_P); - CPU (h_pc) = new_pc; -#endif -} -EOF - -;; - -*) - echo "Invalid argument to mainloop.in: $1" >&2 - exit 1 - ;; - -esac |