/* Simulator hardware option handling.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support and Andrew Cagney.
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.
+the Free Software Foundation; either version 3 of the License, 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. */
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "sim-main.h"
#include "sim-assert.h"
#include "hw-tree.h"
#include "hw-device.h"
+#include "hw-main.h"
#include "hw-base.h"
#include <stdlib.h>
#endif
#include <ctype.h>
-#include <sys/errno.h>
+#include <errno.h>
struct sim_hw {
};
-void
+struct hw *
sim_hw_parse (struct sim_state *sd,
const char *fmt,
...)
{
+ struct hw *current;
va_list ap;
va_start (ap, fmt);
- hw_tree_vparse (STATE_HW (sd)->tree, fmt, ap);
+ current = hw_tree_vparse (STATE_HW (sd)->tree, fmt, ap);
va_end (ap);
+ return current;
}
struct printer {
OPTION_HW_INFO = OPTION_START,
OPTION_HW_TRACE,
OPTION_HW_DEVICE,
+ OPTION_HW_LIST,
OPTION_HW_FILE,
};
{
{ {"hw-info", no_argument, NULL, OPTION_HW_INFO },
'\0', NULL, "List configurable hw regions",
- hw_option_handler },
+ hw_option_handler, NULL },
{ {"info-hw", no_argument, NULL, OPTION_HW_INFO },
'\0', NULL, NULL,
- hw_option_handler },
+ hw_option_handler, NULL },
{ {"hw-trace", optional_argument, NULL, OPTION_HW_TRACE },
'\0', "on|off", "Trace all hardware devices",
- hw_option_handler },
+ hw_option_handler, NULL },
{ {"trace-hw", optional_argument, NULL, OPTION_HW_TRACE },
'\0', NULL, NULL,
- hw_option_handler },
+ hw_option_handler, NULL },
{ {"hw-device", required_argument, NULL, OPTION_HW_DEVICE },
'\0', "DEVICE", "Add the specified device",
- hw_option_handler },
+ hw_option_handler, NULL },
+
+ { {"hw-list", no_argument, NULL, OPTION_HW_LIST },
+ '\0', NULL, "List the device tree",
+ hw_option_handler, NULL },
{ {"hw-file", required_argument, NULL, OPTION_HW_FILE },
'\0', "FILE", "Add the devices listed in the file",
- hw_option_handler },
+ hw_option_handler, NULL },
- { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
+ { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL }
};
struct hw *current = STATE_HW (sd)->tree;
int line_nr;
char device_path[1000];
-
+
/* try opening the file */
description = fopen (file_name, "r");
if (description == NULL)
perror (file_name);
return SIM_RC_FAIL;
}
-
+
line_nr = 0;
- while (fgets (device_path, sizeof(device_path), description))
+ while (fgets (device_path, sizeof (device_path), description))
{
char *device;
/* check that a complete line was read */
sim_io_eprintf (sd, "%s:%d: unexpected eof", file_name, line_nr);
return SIM_RC_FAIL;
}
- if (strchr(device_path, '\n') == NULL)
+ if (strchr (device_path, '\n') == NULL)
{
- fclose(description);
+ fclose (description);
sim_io_eprintf (sd, "%s:%d: line to long", file_name, line_nr);
return SIM_RC_FAIL;
}
- *strchr(device_path, '\n') = '\0';
+ *strchr (device_path, '\n') = '\0';
line_nr++;
}
/* parse this line */
case OPTION_HW_DEVICE:
{
- hw_tree_parse (STATE_HW (sd)->tree, arg);
+ hw_tree_parse (STATE_HW (sd)->tree, "%s", arg);
+ return SIM_RC_OK;
+ }
+
+ case OPTION_HW_LIST:
+ {
+ sim_hw_print (sd, sim_io_vprintf);
return SIM_RC_OK;
}
static void
sim_hw_uninstall (struct sim_state *sd)
{
- /* hw_tree_delete (STATE_HW (sd)->tree); */
- zfree (STATE_HW (sd));
+ hw_tree_delete (STATE_HW (sd)->tree);
+ free (STATE_HW (sd));
STATE_HW (sd) = NULL;
}
/* CPU: The simulation is running and the current CPU/CIA
initiates a data transfer. */
-void
+void
sim_cpu_hw_io_read_buffer (sim_cpu *cpu,
sim_cia cia,
struct hw *hw,
sim_engine_abort (sd, cpu, cia, "broken CPU read");
}
-void
+void
sim_cpu_hw_io_write_buffer (sim_cpu *cpu,
sim_cia cia,
struct hw *hw,
/* SYSTEM: A data transfer is being initiated by the system. */
-unsigned
+unsigned
sim_hw_io_read_buffer (struct sim_state *sd,
struct hw *hw,
void *dest,
#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));
-}