-/* This file is part of the program psim.
+/* The common simulator framework for GDB, the GNU Debugger.
- Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
+ Copyright 2002 Free Software Foundation, Inc.
- 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 of the License, or
- (at your option) any later version.
+ Contributed by Andrew Cagney and Red Hat.
- 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.
-
- */
+ This file is part of GDB.
+ 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 of the License, or
+ (at your option) any later version.
-#include "sim-main.h"
+ 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.
-#include "hw-device.h"
-#include "hw-properties.h"
+ 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"
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
-\f
/* Address methods */
const hw_unit *
}
-\f
/* IOCTL: */
int
hw_ioctl (struct hw *me,
- sim_cpu *processor,
- sim_cia cia,
hw_ioctl_request request,
...)
{
int status;
va_list ap;
va_start(ap, request);
- status = me->to_ioctl (me, processor, cia, request, ap);
+ status = me->to_ioctl (me, request, ap);
va_end(ap);
return status;
}
-/* I/O */
-
-void volatile
-hw_abort (struct hw *me,
- const char *fmt,
- ...)
-{
- SIM_DESC sd;
- const char *name;
- va_list ap;
- va_start(ap, fmt);
- /* find a system to abort through */
- if (me == NULL || hw_system (me) == NULL)
- sd = NULL;
- else
- sd = hw_system (me);
- /* find an identity */
- if (me != NULL && hw_path (me) != NULL && hw_path (me) [0] != '\0')
- name = hw_path (me);
- else if (me != NULL && hw_name (me) != NULL && hw_name (me)[0] != '\0')
- name = hw_name (me);
- else if (me != NULL && hw_family (me) != NULL && hw_family (me)[0] != '\0')
- name = hw_family (me);
- else
- name = "device";
- /* report the problem */
- sim_io_eprintf (sd, "%s: ", name);
- sim_io_evprintf (sd, fmt, ap);
- sim_io_error (sd, "%s", "");
-}
-
-void
-hw_trace (struct hw *me,
- const char *fmt,
- ...)
+char *
+hw_strdup (struct hw *me, const char *str)
{
- if (hw_trace_p (me)) /* to be sure, to be sure */
+ if (str != NULL)
{
- va_list ap;
- va_start (ap, fmt);
- sim_io_eprintf (hw_system (me), "%s: ", hw_path (me));
- sim_io_evprintf (hw_system (me), fmt, ap);
- sim_io_eprintf (hw_system (me), "\n");
- va_end (ap);
+ char *dup = hw_zalloc (me, strlen (str) + 1);
+ strcpy (dup, str);
+ return dup;
}
-}
-
-\f
-/* The event queue abstraction (for devices) */
-
-
-struct _hw_event {
- void *data;
- struct hw *me;
- hw_event_handler *handler;
- sim_event *real;
-};
-
-/* Pass the H/W event onto the real handler */
-
-static void
-bounce_hw_event (SIM_DESC sd,
- void *data)
-{
- hw_event event = * (hw_event*) data;
- zfree (data);
- event.handler (event.me, event.data);
-}
-
-
-/* Map onto the event functions */
-
-hw_event *
-hw_event_queue_schedule (struct hw *me,
- signed64 delta_time,
- hw_event_handler *handler,
- void *data)
-{
- hw_event *event = ZALLOC (hw_event);
- event->data = data;
- event->handler = handler;
- event->me = me;
- event->real = sim_events_schedule (hw_system (me),
- delta_time,
- bounce_hw_event,
- event);
- return event;
-}
-
-void
-hw_event_queue_deschedule (struct hw *me,
- hw_event *event_to_remove)
-{
- sim_events_deschedule (hw_system (me),
- event_to_remove->real);
- zfree (event_to_remove);
-}
-
-signed64
-hw_event_queue_time (struct hw *me)
-{
- return sim_events_time (hw_system (me));
-}
-
-\f
-/* Mechanism for associating allocated memory regions to a device.
- When a device is deleted any remaining memory regions are also
- reclaimed.
-
- FIXME: Perhaphs this can be generalized, perhaphs it should not
- be. */
-
-struct hw_alloc_data {
- void *alloc;
- int zalloc_p;
- struct hw_alloc_data *next;
-};
-
-extern void *
-hw_zalloc (struct hw *me, unsigned long size)
-{
- struct hw_alloc_data *memory = ZALLOC (struct hw_alloc_data);
- memory->alloc = zalloc (size);
- memory->zalloc_p = 1;
- memory->next = me->alloc_of_hw;
- me->alloc_of_hw = memory;
- return memory->alloc;
-}
-
-extern void *
-hw_malloc (struct hw *me, unsigned long size)
-{
- struct hw_alloc_data *memory = ZALLOC (struct hw_alloc_data);
- memory->alloc = zalloc (size);
- memory->zalloc_p = 0;
- memory->next = me->alloc_of_hw;
- me->alloc_of_hw = memory;
- return memory->alloc;
-}
-
-extern void
-hw_free (struct hw *me,
- void *alloc)
-{
- struct hw_alloc_data **memory;
- for (memory = &me->alloc_of_hw;
- *memory != NULL;
- memory = &(*memory)->next)
- {
- if ((*memory)->alloc == alloc)
- {
- struct hw_alloc_data *die = (*memory);
- (*memory) = die->next;
- if (die->zalloc_p)
- zfree (die->alloc);
- else
- free (die->alloc);
- zfree (die);
- return;
- }
- }
- hw_abort (me, "free of memory not belonging to a device");
-}
-
-extern void
-hw_free_all (struct hw *me)
-{
- while (me->alloc_of_hw != NULL)
+ else
{
- hw_free (me, me->alloc_of_hw->alloc);
+ return NULL;
}
}