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-rw-r--r--sim/common/hw-events.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/sim/common/hw-events.c b/sim/common/hw-events.c
deleted file mode 100644
index 78cceb6..0000000
--- a/sim/common/hw-events.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/* Hardware event manager.
- Copyright (C) 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 "hw-main.h"
-#include "hw-base.h"
-
-#include "sim-events.h"
-
-
-/* The hw-events object is implemented using sim-events */
-
-struct hw_event {
- void *data;
- struct hw *me;
- hw_event_callback *callback;
- sim_event *real;
- struct hw_event_data *entry;
-};
-
-struct hw_event_data {
- struct hw_event event;
- struct hw_event_data *next;
-};
-
-void
-create_hw_event_data (struct hw *me)
-{
- if (me->events_of_hw != NULL)
- hw_abort (me, "stray events");
- /* NOP */
-}
-
-void
-delete_hw_event_data (struct hw *me)
-{
- /* Remove the scheduled event. */
- while (me->events_of_hw)
- hw_event_queue_deschedule (me, &me->events_of_hw->event);
-}
-
-
-/* Pass the H/W event onto the real callback */
-
-static void
-bounce_hw_event (SIM_DESC sd,
- void *data)
-{
- /* save the data */
- struct hw_event_data *entry = (struct hw_event_data *) data;
- struct hw *me = entry->event.me;
- void *event_data = entry->event.data;
- hw_event_callback *callback = entry->event.callback;
- struct hw_event_data **prev = &me->events_of_hw;
- while ((*prev) != entry)
- prev = &(*prev)->next;
- (*prev) = entry->next;
- hw_free (me, entry);
- callback (me, event_data); /* may not return */
-}
-
-
-
-/* Map onto the event functions */
-
-struct hw_event *
-hw_event_queue_schedule (struct hw *me,
- signed64 delta_time,
- hw_event_callback *callback,
- void *data)
-{
- struct hw_event *event;
- va_list dummy;
- memset (&dummy, 0, sizeof dummy);
- event = hw_event_queue_schedule_vtracef (me, delta_time, callback, data,
- NULL, dummy);
- return event;
-}
-
-struct hw_event *
-hw_event_queue_schedule_tracef (struct hw *me,
- signed64 delta_time,
- hw_event_callback *callback,
- void *data,
- const char *fmt,
- ...)
-{
- struct hw_event *event;
- va_list ap;
- va_start (ap, fmt);
- event = hw_event_queue_schedule_vtracef (me, delta_time, callback, data, fmt, ap);
- va_end (ap);
- return event;
-}
-
-struct hw_event *
-hw_event_queue_schedule_vtracef (struct hw *me,
- signed64 delta_time,
- hw_event_callback *callback,
- void *data,
- const char *fmt,
- va_list ap)
-{
- struct hw_event_data *entry = HW_ZALLOC (me, struct hw_event_data);
- entry->next = me->events_of_hw;
- me->events_of_hw = entry;
- /* fill it in */
- entry->event.entry = entry;
- entry->event.data = data;
- entry->event.callback = callback;
- entry->event.me = me;
- entry->event.real = sim_events_schedule_vtracef (hw_system (me),
- delta_time,
- bounce_hw_event,
- entry,
- fmt, ap);
- return &entry->event;
-}
-
-
-void
-hw_event_queue_deschedule (struct hw *me,
- struct hw_event *event_to_remove)
-{
-/* ZAP the event but only if it is still in the event queue. Note
- that event_to_remove is only de-referenced after its validity has
- been confirmed. */
- struct hw_event_data **prev;
- for (prev = &me->events_of_hw;
- (*prev) != NULL;
- prev = &(*prev)->next)
- {
- struct hw_event_data *entry = (*prev);
- if (&entry->event == event_to_remove)
- {
- sim_events_deschedule (hw_system (me),
- entry->event.real);
- (*prev) = entry->next;
- hw_free (me, entry);
- return;
- }
- }
-}
-
-
-signed64
-hw_event_queue_time (struct hw *me)
-{
- return sim_events_time (hw_system (me));
-}
-
-/* Returns the time that remains before the event is raised. */
-signed64
-hw_event_remain_time (struct hw *me, struct hw_event *event)
-{
- signed64 t;
-
- t = sim_events_remain_time (hw_system (me), event->real);
- return t;
-}
-
-/* Only worry about this compling on ANSI systems.
- Build with `make test-hw-events' in sim/<cpu> directory*/
-
-#if defined (MAIN)
-#include "sim-main.h"
-#include <string.h>
-#include <stdio.h>
-
-static void
-test_handler (struct hw *me,
- void *data)
-{
- int *n = data;
- if (*n != hw_event_queue_time (me))
- abort ();
- *n = -(*n);
-}
-
-int
-main (int argc,
- char **argv)
-{
- host_callback *cb = ZALLOC (host_callback);
- struct sim_state *sd = sim_state_alloc (0, cb);
- struct hw *me = ZALLOC (struct hw);
- sim_pre_argv_init (sd, "test-hw-events");
- sim_post_argv_init (sd);
- me->system_of_hw = sd;
-
- printf ("Create hw-event-data\n");
- {
- create_hw_alloc_data (me);
- create_hw_event_data (me);
- delete_hw_event_data (me);
- delete_hw_alloc_data (me);
- }
-
- printf ("Create hw-events\n");
- {
- struct hw_event *a;
- struct hw_event *b;
- struct hw_event *c;
- struct hw_event *d;
- create_hw_alloc_data (me);
- create_hw_event_data (me);
- a = hw_event_queue_schedule (me, 0, NULL, NULL);
- b = hw_event_queue_schedule (me, 1, NULL, NULL);
- c = hw_event_queue_schedule (me, 2, NULL, NULL);
- d = hw_event_queue_schedule (me, 1, NULL, NULL);
- hw_event_queue_deschedule (me, c);
- hw_event_queue_deschedule (me, b);
- hw_event_queue_deschedule (me, a);
- hw_event_queue_deschedule (me, d);
- c = HW_ZALLOC (me, struct hw_event);
- hw_event_queue_deschedule (me, b); /* OOPS! */
- hw_free (me, c);
- delete_hw_event_data (me);
- delete_hw_alloc_data (me);
- }
-
- printf ("Schedule hw-events\n");
- {
- struct hw_event **e;
- int *n;
- int i;
- int nr = 4;
- e = HW_NZALLOC (me, struct hw_event *, nr);
- n = HW_NZALLOC (me, int, nr);
- create_hw_alloc_data (me);
- create_hw_event_data (me);
- for (i = 0; i < nr; i++)
- {
- n[i] = i;
- e[i] = hw_event_queue_schedule (me, i, test_handler, &n[i]);
- }
- sim_events_preprocess (sd, 1, 1);
- for (i = 0; i < nr; i++)
- {
- if (sim_events_tick (sd))
- sim_events_process (sd);
- }
- for (i = 0; i < nr; i++)
- {
- if (n[i] != -i)
- abort ();
- hw_event_queue_deschedule (me, e[i]);
- }
- hw_free (me, n);
- hw_free (me, e);
- delete_hw_event_data (me);
- delete_hw_alloc_data (me);
- }
-
- return 0;
-}
-#endif
generated by cgit v1.1 at 2025-04-04 15:29:04 +0000