config.in
configure.in
configure
+dv-core.c
+dv-glue.c
+dv-pal.c
dv-sockser.c
dv-sockser.h
gdbinit.in
gennltvals.sh
gentmap.c
gentvals.sh
+hw-base.c
+hw-base.h
+hw-device.c
+hw-device.h
+hw-events.c
+hw-events.h
+hw-ports.c
+hw-ports.h
+hw-properties.c
+hw-properties.h
+hw-tree.c
+hw-tree.h
nltvals.def
nrun.c
run.c
+Mon May 25 17:14:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * dv-pal.c: Update.
+
+ * hw-events.h, hw-events.c: New files. Move event code to here.
+ * sim-hw.c: From here.
+ * hw-base.h: Include "hw-events.h".
+
+ * hw-device.h (struct hw): Add struct hw_event_data events_of_hw.
+ * hw-events.h (struct hw_event): Replace typedef hw_event.
+
+ * hw-base.h (create_hw_event_data, delete_hw_event_data): Declare.
+ * hw-base.c (hw_create, hw_delete): Call.
+ * hw-events.c (create_hw_event_data, delete_hw_event_data): Define.
+
+ * Make-common.in (SIM_NEW_COMMON_OBJS): Add hw-events.o.
+ (hw-events.o): New target.
+
Mon May 25 16:55:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
* hw-base.c (panic_hw_port_event, empty_hw_ports): Move from here.
SIM_COMMON_HW_OBJS = \
hw-device.o \
+ hw-events.o \
hw-ports.o \
hw-properties.o \
hw-base.o \
hw-base_h = $(srccom)/hw-base.h
hw-device_h = $(srccom)/hw-device.h
+hw-events_h = $(srccom)/hw-events.h
hw-handles_h = #$(srccom)/hw-handles.h
hw-instances_h = #$(srccom)/hw-instances.h
hw-ports_h = $(srccom)/hw-ports.h
hw_base_headers = \
$(hw-base_h) \
$(hw-device_h) \
+ $(hw-events_h) \
$(hw-instances_h) \
$(hw-handles_h) \
$(hw-ports_h) \
$(hw-device_h)
$(CC) -c $(srccom)/hw-device.c $(ALL_CFLAGS)
+hw-events.o: $(srccom)/hw-events.c $(sim_main_headers) \
+ $(hw-events_h)
+ $(CC) -c $(srccom)/hw-events.c $(ALL_CFLAGS)
+
hw-instances.o: $(srccom)/hw-instances.c $(sim_main_headers) \
$(hw_base_headers)
$(CC) -c $(srccom)/hw-instances.c $(ALL_CFLAGS)
Specify the address (within the parent bus) that this device is to
be located.
+ poll? = <boolean>
+
+ If present and true, indicates that the device should poll its
+ input.
+
PORTS
hw_pal_countdown_value = 0x24,
hw_pal_timer = 0x28,
hw_pal_timer_value = 0x2c,
- hw_pal_address_mask = 0x2f,
+ hw_pal_address_mask = 0x3f,
};
} hw_pal_console_buffer;
typedef struct _hw_pal_counter {
- hw_event *handler;
+ struct hw_event *handler;
signed64 start;
unsigned32 delta;
int periodic_p;
hw_pal_counter countdown;
hw_pal_counter timer;
struct hw *disk;
+ do_hw_poll_read_method *reader;
} hw_pal_device;
enum {
{
HW_TRACE ((me, "timer expired"));
counter->start = hw_event_queue_time (me);
- hw_port_event (me, TIMER_PORT, 1, NULL, NULL_CIA);
+ hw_port_event (me, TIMER_PORT, 1);
hw_event_queue_schedule (me, counter->delta, do_counter_event, counter);
}
else
{
HW_TRACE ((me, "countdown expired"));
counter->delta = 0;
- hw_port_event (me, COUNTDOWN_PORT, 1, NULL, NULL_CIA);
+ hw_port_event (me, COUNTDOWN_PORT, 1);
}
}
static void
scan_hw_pal (struct hw *me)
{
-#if 0
- hw_pal_struct hw *hw_pal = (hw_pal_struct hw *) hw_data (me);
-#endif
+ hw_pal_device *hw_pal = (hw_pal_device *)hw_data (me);
char c;
int count;
- count = sim_io_read_stdin (hw_system (me), &c, sizeof(c));
-#if 0
+ count = do_hw_poll_read (me, hw_pal->reader, 0/*STDIN*/, &c, sizeof(c));
switch (count)
{
- case sim_io_not_ready:
- case sim_io_eof:
+ case HW_IO_NOT_READY:
+ case HW_IO_EOF:
hw_pal->input.buffer = 0;
hw_pal->input.status = 0;
break;
hw_pal->input.buffer = c;
hw_pal->input.status = 1;
}
-#endif
}
/* write the character to the hw_pal */
void *dest,
int space,
unsigned_word addr,
- unsigned nr_bytes,
- sim_cpu *cpu,
- sim_cia cia)
+ unsigned nr_bytes)
{
hw_pal_device *hw_pal = (hw_pal_device *) hw_data (me);
unsigned_1 *byte = (unsigned_1 *) dest;
case hw_pal_cpu_nr_register:
#ifdef CPU_INDEX
- *byte = CPU_INDEX (cpu);
+ *byte = CPU_INDEX (hw_system_cpu (me));
#else
*byte = 0;
#endif
const void *source,
int space,
unsigned_word addr,
- unsigned nr_bytes,
- sim_cpu *cpu,
- sim_cia cia)
+ unsigned nr_bytes)
{
hw_pal_device *hw_pal = (hw_pal_device*) hw_data (me);
unsigned_1 *byte = (unsigned_1 *) source;
{
case hw_pal_reset_register:
- sim_engine_halt (hw_system (me), cpu, NULL, cia, sim_exited, byte[0]);
+ hw_halt (me, sim_exited, byte[0]);
break;
case hw_pal_int_register:
hw_port_event (me,
INT_PORT + byte[0], /*port*/
- (nr_bytes > 1 ? byte[1] : 0), /* val */
- cpu, cia);
+ (nr_bytes > 1 ? byte[1] : 0)); /* val */
break;
case hw_pal_read_fifo:
set_hw_ports (hw, hw_pal_ports);
/* attach ourselves */
do_hw_attach_regs (hw);
-
+ /* If so configured, enable polled input */
+ if (hw_find_property (hw, "poll?") != NULL
+ && hw_find_boolean_property (hw, "poll?"))
+ {
+ hw_pal->reader = sim_io_poll_read;
+ }
+ else
+ {
+ hw_pal->reader = sim_io_read;
+ }
/* tag the periodic timer */
hw_pal->timer.periodic_p = 1;
}
/* Attach dummy ports */
create_hw_port_data (hw);
+ create_hw_event_data (hw);
return hw;
}
/* give the object a chance to tidy up */
me->base_of_hw->to_delete (me);
+ delete_hw_event_data (me);
delete_hw_port_data (me);
/* now unlink us from the tree */
#include "hw-device.h"
#include "hw-properties.h"
+#include "hw-events.h"
/* #include "hw-instances.h" */
/* #include "hw-handles.h" */
#include "hw-ports.h"
(struct hw *hw);
+/* EVENTS */
+
+extern void create_hw_event_data
+(struct hw *hw);
+extern void delete_hw_event_data
+(struct hw *hw);
+
+
+
#endif
...);
-/* Event queue:
-
- Device specific versions of certain event handlers */
-
-typedef struct _hw_event hw_event;
-typedef void (hw_event_handler) (struct hw *me, void *data);
-
-hw_event *hw_event_queue_schedule
-(struct hw *me,
- signed64 delta_time,
- hw_event_handler *handler,
- void *data);
-
-void hw_event_queue_deschedule
-(struct hw *me,
- hw_event *event_to_remove);
-
-signed64 hw_event_queue_time
-(struct hw *me);
-
-
-
/* Error reporting::
So that errors originating from devices appear in a consistent
struct hw_port_data;
struct hw_base_data;
struct hw_alloc_data;
+struct hw_event_data;
/* Finally the hardware device - keep your grubby little mits off of
these internals! :-) */
struct hw_port_data *ports_of_hw;
struct hw_base_data *base_of_hw;
struct hw_alloc_data *alloc_of_hw;
+ struct hw_event_data *events_of_hw;
};
--- /dev/null
+/* 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 "sim-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;
+ struct hw_event_data **prev;
+};
+
+void
+create_hw_event_data (struct hw *me)
+{
+ /* NOP */
+}
+
+void
+delete_hw_event_data (struct hw *me)
+{
+ if (me->events_of_hw != NULL)
+ hw_abort (me, "stray events");
+}
+
+
+static void
+delete_hw_event (struct hw *me,
+ struct hw_event **event)
+{
+ struct hw_event_data *entry = (*event)->entry;
+ *(entry->prev) = entry->next;
+ entry->next->prev = entry->prev;
+ (*event) = NULL;
+}
+
+
+static void
+create_hw_event (struct hw *me,
+ struct hw_event **event)
+{
+ struct hw_event_data *entry = HW_ZALLOC (me, struct hw_event_data);
+ entry->next = me->events_of_hw;
+ entry->prev = &me->events_of_hw;
+ me->events_of_hw->prev = &entry->next;
+ me->events_of_hw = entry;
+ (*event) = &entry->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 *event = (struct hw_event*)data;
+ struct hw *me = event->me;
+ void *event_data = event->data;
+ hw_event_callback *callback = event->callback;
+ hw_free (me, data);
+ event = NULL;
+ callback (me, event_data);
+}
+
+
+
+/* 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;
+ create_hw_event (me, &event);
+ /* fill it in */
+ event->data = data;
+ event->callback = callback;
+ 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,
+ struct hw_event *event_to_remove)
+{
+ /* remove it from the event queue */
+ sim_events_deschedule (hw_system (me),
+ event_to_remove->real);
+ delete_hw_event (me, &event_to_remove);
+}
+
+
+signed64
+hw_event_queue_time (struct hw *me)
+{
+ return sim_events_time (hw_system (me));
+}
+
+
--- /dev/null
+/* 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. */
+
+#ifndef HW_EVENTS_H
+#define HW_EVENTS_H
+
+/* Event manager customized for hardware models.
+
+ This interface is discussed further in sim-events.h. */
+
+struct hw_event;
+typedef void (hw_event_callback) (struct hw *me, void *data);
+
+struct hw_event *hw_event_queue_schedule
+(struct hw *me,
+ signed64 delta_time,
+ hw_event_callback *handler,
+ void *data);
+
+void hw_event_queue_deschedule
+(struct hw *me,
+ struct hw_event *event_to_remove);
+
+signed64 hw_event_queue_time
+(struct hw *me);
+
+#endif
-/* Common hardware.
+/* Hardware ports.
Copyright (C) 1998 Free Software Foundation, Inc.
Contributed by Andrew Cagney and Cygnus Solutions.
-/* Common hardware.
+/* Hardware ports.
Copyright (C) 1998 Free Software Foundation, Inc.
Contributed by Andrew Cagney and Cygnus Solutions.
#endif
}
}
-
-\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);
- /* if we are delivering an event, we don't have a CPU. */
- STATE_HW (sd)->cpu = NULL;
- 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));
-}
+start-sanitize-am30
+Mon May 25 17:33:33 1998 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
+ to struct hw_event.
+
Fri May 22 12:17:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
-start-sanitize-am30
Wed May 6 13:29:06 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_open): Create a polling PAL device.
struct mn103cpu {
struct mn103cpu_block block;
- hw_event *pending_handler;
+ struct hw_event *pending_handler;
int pending_level;
int pending_nmi;
int pending_reset;
projects / external / binutils.git / commitdiff