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Diffstat (limited to 'sim/common/sim-engine.c')
| -rw-r--r-- | sim/common/sim-engine.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/sim/common/sim-engine.c b/sim/common/sim-engine.c deleted file mode 100644 index 9415f637cc1..00000000000 --- a/sim/common/sim-engine.c +++ /dev/null @@ -1,210 +0,0 @@ -/* Generic simulator halt/restart. - Copyright (C) 1997, 1998 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. */ - -#include <stdio.h> - -#include "sim-main.h" -#include "sim-assert.h" - -/* Get the run state. - REASON/SIGRC are the values returned by sim_stop_reason. - ??? Should each cpu have its own copy? */ - -void -sim_engine_get_run_state (SIM_DESC sd, enum sim_stop *reason, int *sigrc) -{ - sim_engine *engine = STATE_ENGINE (sd); - ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - *reason = engine->reason; - *sigrc = engine->sigrc; -} - -/* Set the run state to REASON/SIGRC. - REASON/SIGRC are the values returned by sim_stop_reason. - ??? Should each cpu have its own copy? */ - -void -sim_engine_set_run_state (SIM_DESC sd, enum sim_stop reason, int sigrc) -{ - sim_engine *engine = STATE_ENGINE (sd); - ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - engine->reason = reason; - engine->sigrc = sigrc; -} - -/* Generic halt */ - -void -sim_engine_halt (SIM_DESC sd, - sim_cpu *last_cpu, - sim_cpu *next_cpu, /* NULL - use default */ - sim_cia cia, - enum sim_stop reason, - int sigrc) -{ - sim_engine *engine = STATE_ENGINE (sd); - ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - if (engine->jmpbuf != NULL) - { - jmp_buf *halt_buf = engine->jmpbuf; - engine->last_cpu = last_cpu; - engine->next_cpu = next_cpu; - engine->reason = reason; - engine->sigrc = sigrc; - - SIM_ENGINE_HALT_HOOK (sd, last_cpu, cia); - -#ifdef SIM_CPU_EXCEPTION_SUSPEND - if (last_cpu != NULL && reason != sim_exited) - SIM_CPU_EXCEPTION_SUSPEND (sd, last_cpu, sim_signal_to_host (sd, sigrc)); -#endif - - longjmp (*halt_buf, sim_engine_halt_jmpval); - } - else - sim_io_error (sd, "sim_halt - bad long jump"); -} - - -/* Generic restart */ - -void -sim_engine_restart (SIM_DESC sd, - sim_cpu *last_cpu, - sim_cpu *next_cpu, - sim_cia cia) -{ - sim_engine *engine = STATE_ENGINE (sd); - ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - if (engine->jmpbuf != NULL) - { - jmp_buf *halt_buf = engine->jmpbuf; - engine->last_cpu = last_cpu; - engine->next_cpu = next_cpu; - SIM_ENGINE_RESTART_HOOK (sd, last_cpu, cia); - longjmp (*halt_buf, sim_engine_restart_jmpval); - } - else - sim_io_error (sd, "sim_restart - bad long jump"); -} - - -/* Generic error code */ - -void -sim_engine_vabort (SIM_DESC sd, - sim_cpu *cpu, - sim_cia cia, - const char *fmt, - va_list ap) -{ - ASSERT (sd == NULL || STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - if (sd == NULL) - { - vfprintf (stderr, fmt, ap); - fprintf (stderr, "\nQuit\n"); - abort (); - } - else if (STATE_ENGINE (sd)->jmpbuf == NULL) - { - sim_io_evprintf (sd, fmt, ap); - sim_io_eprintf (sd, "\n"); - sim_io_error (sd, "Quit Simulator"); - } - else - { - sim_io_evprintf (sd, fmt, ap); - sim_io_eprintf (sd, "\n"); - sim_engine_halt (sd, cpu, NULL, cia, sim_stopped, SIM_SIGABRT); - } -} - -void -sim_engine_abort (SIM_DESC sd, - sim_cpu *cpu, - sim_cia cia, - const char *fmt, - ...) -{ - va_list ap; - ASSERT (sd == NULL || STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - va_start(ap, fmt); - sim_engine_vabort (sd, cpu, cia, fmt, ap); - va_end (ap); -} - - -/* Generic next/last cpu */ - -int -sim_engine_last_cpu_nr (SIM_DESC sd) -{ - sim_engine *engine = STATE_ENGINE (sd); - if (engine->last_cpu != NULL) - return engine->last_cpu - STATE_CPU (sd, 0); - else - return MAX_NR_PROCESSORS; -} - -int -sim_engine_next_cpu_nr (SIM_DESC sd) -{ - sim_engine *engine = STATE_ENGINE (sd); - if (engine->next_cpu != NULL) - return engine->next_cpu - STATE_CPU (sd, 0); - else - return sim_engine_last_cpu_nr (sd) + 1; -} - -int -sim_engine_nr_cpus (SIM_DESC sd) -{ - sim_engine *engine = STATE_ENGINE (sd); - return engine->nr_cpus; -} - - - - -/* Initialization */ - -static SIM_RC -sim_engine_init (SIM_DESC sd) -{ - /* initialize the start/stop/resume engine */ - sim_engine *engine = STATE_ENGINE (sd); - engine->jmpbuf = NULL; - engine->last_cpu = NULL; - engine->next_cpu = NULL; - engine->nr_cpus = MAX_NR_PROCESSORS; - engine->reason = sim_running; - engine->sigrc = 0; - engine->stepper = NULL; /* sim_events_init will clean it up */ - return SIM_RC_OK; -} - - -SIM_RC -sim_engine_install (SIM_DESC sd) -{ - SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); - sim_module_add_init_fn (sd, sim_engine_init); - return SIM_RC_OK; -} |