# OBSOLETE # Simulator main loop for fr30. -*- C -*- # OBSOLETE # Copyright (C) 1998, 1999 Free Software Foundation, Inc. # OBSOLETE # Contributed by Cygnus Solutions. # OBSOLETE # # OBSOLETE # This file is part of the GNU Simulators. # OBSOLETE # # OBSOLETE # This program is free software; you can redistribute it and/or modify # OBSOLETE # it under the terms of the GNU General Public License as published by # OBSOLETE # the Free Software Foundation; either version 2, or (at your option) # OBSOLETE # any later version. # OBSOLETE # # OBSOLETE # This program is distributed in the hope that it will be useful, # OBSOLETE # but WITHOUT ANY WARRANTY; without even the implied warranty of # OBSOLETE # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # OBSOLETE # GNU General Public License for more details. # OBSOLETE # # OBSOLETE # You should have received a copy of the GNU General Public License along # OBSOLETE # with this program; if not, write to the Free Software Foundation, Inc., # OBSOLETE # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # OBSOLETE # OBSOLETE # Syntax: # OBSOLETE # /bin/sh mainloop.in command # OBSOLETE # # OBSOLETE # Command is one of: # OBSOLETE # # OBSOLETE # init # OBSOLETE # support # OBSOLETE # extract-{simple,scache,pbb} # OBSOLETE # {full,fast}-exec-{simple,scache,pbb} # OBSOLETE # # OBSOLETE # A target need only provide a "full" version of one of simple,scache,pbb. # OBSOLETE # If the target wants it can also provide a fast version of same. # OBSOLETE # It can't provide more than this, however for illustration's sake the FR30 # OBSOLETE # port provides examples of all. # OBSOLETE # OBSOLETE # ??? After a few more ports are done, revisit. # OBSOLETE # Will eventually need to machine generate a lot of this. # OBSOLETE # OBSOLETE case "x$1" in # OBSOLETE # OBSOLETE xsupport) # OBSOLETE # OBSOLETE cat <<EOF # OBSOLETE # OBSOLETE static INLINE const IDESC * # OBSOLETE extract (SIM_CPU *current_cpu, PCADDR pc, CGEN_INSN_INT insn, ARGBUF *abuf, # OBSOLETE int fast_p) # OBSOLETE { # OBSOLETE const IDESC *id = @cpu@_decode (current_cpu, pc, insn, abuf); # OBSOLETE @cpu@_fill_argbuf (current_cpu, abuf, id, pc, fast_p); # OBSOLETE if (! fast_p) # OBSOLETE { # OBSOLETE int trace_p = PC_IN_TRACE_RANGE_P (current_cpu, pc); # OBSOLETE int profile_p = PC_IN_PROFILE_RANGE_P (current_cpu, pc); # OBSOLETE @cpu@_fill_argbuf_tp (current_cpu, abuf, trace_p, profile_p); # OBSOLETE } # OBSOLETE return id; # OBSOLETE } # OBSOLETE # OBSOLETE static INLINE SEM_PC # OBSOLETE execute (SIM_CPU *current_cpu, SCACHE *sc, int fast_p) # OBSOLETE { # OBSOLETE SEM_PC vpc; # OBSOLETE # OBSOLETE if (fast_p) # OBSOLETE { # OBSOLETE #if ! WITH_SEM_SWITCH_FAST # OBSOLETE #if WITH_SCACHE # OBSOLETE vpc = (*sc->argbuf.semantic.sem_fast) (current_cpu, sc); # OBSOLETE #else # OBSOLETE vpc = (*sc->argbuf.semantic.sem_fast) (current_cpu, &sc->argbuf); # OBSOLETE #endif # OBSOLETE #else # OBSOLETE abort (); # OBSOLETE #endif /* WITH_SEM_SWITCH_FAST */ # OBSOLETE } # OBSOLETE else # OBSOLETE { # OBSOLETE #if ! WITH_SEM_SWITCH_FULL # OBSOLETE ARGBUF *abuf = &sc->argbuf; # OBSOLETE const IDESC *idesc = abuf->idesc; # OBSOLETE #if WITH_SCACHE_PBB # OBSOLETE int virtual_p = CGEN_ATTR_VALUE (NULL, idesc->attrs, CGEN_INSN_VIRTUAL); # OBSOLETE #else # OBSOLETE int virtual_p = 0; # OBSOLETE #endif # OBSOLETE # OBSOLETE if (! virtual_p) # OBSOLETE { # OBSOLETE /* FIXME: call x-before */ # OBSOLETE if (ARGBUF_PROFILE_P (abuf)) # OBSOLETE PROFILE_COUNT_INSN (current_cpu, abuf->addr, idesc->num); # OBSOLETE /* FIXME: Later make cover macros: PROFILE_INSN_{INIT,FINI}. */ # OBSOLETE if (PROFILE_MODEL_P (current_cpu) # OBSOLETE && ARGBUF_PROFILE_P (abuf)) # OBSOLETE @cpu@_model_insn_before (current_cpu, 1 /*first_p*/); # OBSOLETE TRACE_INSN_INIT (current_cpu, abuf, 1); # OBSOLETE TRACE_INSN (current_cpu, idesc->idata, # OBSOLETE (const struct argbuf *) abuf, abuf->addr); # OBSOLETE } # OBSOLETE #if WITH_SCACHE # OBSOLETE vpc = (*sc->argbuf.semantic.sem_full) (current_cpu, sc); # OBSOLETE #else # OBSOLETE vpc = (*sc->argbuf.semantic.sem_full) (current_cpu, abuf); # OBSOLETE #endif # OBSOLETE if (! virtual_p) # OBSOLETE { # OBSOLETE /* FIXME: call x-after */ # OBSOLETE if (PROFILE_MODEL_P (current_cpu) # OBSOLETE && ARGBUF_PROFILE_P (abuf)) # OBSOLETE { # OBSOLETE int cycles; # OBSOLETE # OBSOLETE cycles = (*idesc->timing->model_fn) (current_cpu, sc); # OBSOLETE @cpu@_model_insn_after (current_cpu, 1 /*last_p*/, cycles); # OBSOLETE } # OBSOLETE TRACE_INSN_FINI (current_cpu, abuf, 1); # OBSOLETE } # OBSOLETE #else # OBSOLETE abort (); # OBSOLETE #endif /* WITH_SEM_SWITCH_FULL */ # OBSOLETE } # OBSOLETE # OBSOLETE return vpc; # OBSOLETE } # OBSOLETE # OBSOLETE EOF # OBSOLETE # OBSOLETE ;; # OBSOLETE # OBSOLETE xinit) # OBSOLETE # OBSOLETE cat <<EOF # OBSOLETE /*xxxinit*/ # OBSOLETE EOF # OBSOLETE # OBSOLETE ;; # OBSOLETE # OBSOLETE xextract-simple | xextract-scache) # OBSOLETE # OBSOLETE # Inputs: current_cpu, vpc, sc, FAST_P # OBSOLETE # Outputs: sc filled in # OBSOLETE # OBSOLETE cat <<EOF # OBSOLETE { # OBSOLETE CGEN_INSN_INT insn = GETIMEMUHI (current_cpu, vpc); # OBSOLETE extract (current_cpu, vpc, insn, SEM_ARGBUF (sc), FAST_P); # OBSOLETE } # OBSOLETE EOF # OBSOLETE # OBSOLETE ;; # OBSOLETE # OBSOLETE xextract-pbb) # OBSOLETE # OBSOLETE # Inputs: current_cpu, pc, sc, max_insns, FAST_P # OBSOLETE # Outputs: sc, pc # OBSOLETE # sc must be left pointing past the last created entry. # OBSOLETE # pc must be left pointing past the last created entry. # OBSOLETE # If the pbb is terminated by a cti insn, SET_CTI_VPC(sc) must be called # OBSOLETE # to record the vpc of the cti insn. # OBSOLETE # SET_INSN_COUNT(n) must be called to record number of real insns. # OBSOLETE # OBSOLETE cat <<EOF # OBSOLETE { # OBSOLETE const IDESC *idesc; # OBSOLETE int icount = 0; # OBSOLETE # OBSOLETE while (max_insns > 0) # OBSOLETE { # OBSOLETE UHI insn = GETIMEMUHI (current_cpu, pc); # OBSOLETE idesc = extract (current_cpu, pc, insn, &sc->argbuf, FAST_P); # OBSOLETE ++sc; # OBSOLETE --max_insns; # OBSOLETE ++icount; # OBSOLETE pc += idesc->length; # OBSOLETE if (IDESC_CTI_P (idesc)) # OBSOLETE { # OBSOLETE SET_CTI_VPC (sc - 1); # OBSOLETE # OBSOLETE /* Delay slot? */ # OBSOLETE /* ??? breakpoints in delay slots */ # OBSOLETE if (CGEN_ATTR_VALUE (NULL, idesc->attrs, CGEN_INSN_DELAY_SLOT)) # OBSOLETE { # OBSOLETE UHI insn = GETIMEMUHI (current_cpu, pc); # OBSOLETE idesc = extract (current_cpu, pc, insn, &sc->argbuf, FAST_P); # OBSOLETE if (CGEN_ATTR_VALUE (NULL, idesc->attrs, CGEN_INSN_NOT_IN_DELAY_SLOT)) # OBSOLETE { # OBSOLETE /* malformed program */ # OBSOLETE sim_io_eprintf (CPU_STATE (current_cpu), # OBSOLETE "malformed program, \`%s' insn in delay slot\n", # OBSOLETE CGEN_INSN_NAME (idesc->idata)); # OBSOLETE } # OBSOLETE else # OBSOLETE { # OBSOLETE ++sc; # OBSOLETE --max_insns; # OBSOLETE ++icount; # OBSOLETE pc += idesc->length; # OBSOLETE } # OBSOLETE } # OBSOLETE break; # OBSOLETE } # OBSOLETE } # OBSOLETE # OBSOLETE Finish: # OBSOLETE SET_INSN_COUNT (icount); # OBSOLETE } # OBSOLETE EOF # OBSOLETE # OBSOLETE ;; # OBSOLETE # OBSOLETE xfull-exec-* | xfast-exec-*) # OBSOLETE # OBSOLETE # Inputs: current_cpu, sc, FAST_P # OBSOLETE # Outputs: vpc # OBSOLETE # vpc contains the address of the next insn to execute # OBSOLETE # OBSOLETE cat <<EOF # OBSOLETE { # OBSOLETE #if (! FAST_P && WITH_SEM_SWITCH_FULL) || (FAST_P && WITH_SEM_SWITCH_FAST) # OBSOLETE #define DEFINE_SWITCH # OBSOLETE #include "sem-switch.c" # OBSOLETE #else # OBSOLETE vpc = execute (current_cpu, vpc, FAST_P); # OBSOLETE #endif # OBSOLETE } # OBSOLETE EOF # OBSOLETE # OBSOLETE ;; # OBSOLETE # OBSOLETE *) # OBSOLETE echo "Invalid argument to mainloop.in: $1" >&2 # OBSOLETE exit 1 # OBSOLETE ;; # OBSOLETE # OBSOLETE esac