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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/m32r/mloop.in
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'sim/m32r/mloop.in')
-rw-r--r--sim/m32r/mloop.in187
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