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* eCos->devo merge 

1998-12-24  Frank Ch. Eigler  <fche@cygnus.com>
	* dv-sockser.c (DEFAULT_TIMEOUT): Increase to 1 ms.
	* nrun.c (main): Remain in simulation loop for traps and
 	exceptions when in operating environment mode.
	(ui_loop_hook): New stub hook for standalone use.
	* sim-events.c (sim_events_process): Call ui_loop_hook
	periodically on CYGWIN host.
	* sim-reason.c (sim_stop_reason): Return host signal numbers
	to gdb on sim_stopped and sim_signalled cases.
	* sim-engine.c (sim_engine_halt): Call SIM_CPU_EXCEPTION_SUSPEND
 	hook just before longjmp.
	* sim-resume.c (sim_resume): Call SIM_CPU_EXCEPTION_RESUME
 	hook just before sim_engine_run.
	* sim-n-core.h (sim_core_trace_M): Allay const warning.
	* sim-trace.h (trace_generic): Ditto.
	* sim-trace.c (trace_generic): Ditto.
This commit is contained in:
Frank Ch. Eigler 1998-12-30 12:09:13 +00:00
parent d846c99ee4
commit 617ca17ed2
2 changed files with 179 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
sim/common/ChangeLog
View File

@ -1,3 +1,33 @@
1998-12-24 Frank Ch. Eigler <fche@cygnus.com>
* dv-sockser.c (DEFAULT_TIMEOUT): Increase to 1 ms.
* nrun.c (main): Remain in simulation loop for traps and
exceptions when in operating environment mode.
(ui_loop_hook): New stub hook for standalone use.
* sim-events.c (sim_events_process): Call ui_loop_hook
periodically on CYGWIN host.
* sim-engine.c (sim_engine_halt): Call SIM_CPU_EXCEPTION_SUSPEND
hook just before longjmp.
* sim-resume.c (sim_resume): Call SIM_CPU_EXCEPTION_RESUME
hook just before sim_engine_run.
* sim-n-core.h (sim_core_trace_M): Allay const warning.
* sim-trace.h (trace_generic): Ditto.
* sim-trace.c (trace_generic): Ditto.
* sim-reason.c (sim_stop_reason): Return host signal numbers
to gdb on sim_stopped and sim_signalled cases.
1998-12-14 Doug Evans <devans@casey.cygnus.com>
* Make-common.in (SIM_MAIN_DEPS): New var.
(CGEN_MAIN_CPU_DEPS): New var.
* aclocal.m4: Add --enable-cgen-maint option.
* cgen-mem.h (GETMEM*): New arg `pc'. Pass to sim_core routine.
(SETMEM*): Ditto.
(GETIMEM*): Pass pc value to sim_core routine.
Fri Dec 11 16:58:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
* hw-handles.c (hw_handle_add_ihandle, hw_handle_add_phandle):
@ -3871,5 +3901,3 @@ Tue Oct 10 12:03:13 1995 J.T. Conklin <jtc@rtl.cygnus.com>
Thu Sep 28 15:40:36 1995 steve chamberlain <sac@slash.cygnus.com>
* run.c, run.1: From sh directory.

199
sim/common/sim-events.c
View File

@ -33,8 +33,20 @@
#endif
#endif
#include <signal.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <signal.h> /* For SIGPROCMASK et.al. */
#if __CYGWIN32__
/* The ui_loop_hook is called to keep the GUI alive while the simulator
is running. The counter is to make sure we do not wake it too often.
*/
extern void (*ui_loop_hook) PARAMS ((int));
static unsigned int ui_loop_hook_counter = 0;
#endif
typedef enum {
watch_invalid,
@ -89,7 +101,7 @@ struct _sim_event {
unsigned wallclock;
/* watch core address */
address_word core_addr;
sim_core_maps core_map;
unsigned core_map;
/* watch sim addr */
void *host_addr;
/* watch core/sim range */
@ -98,6 +110,8 @@ struct _sim_event {
unsigned lb;
unsigned64 ub64;
unsigned64 lb64;
/* trace info (if any) */
char *trace;
/* list */
sim_event *next;
};
@ -134,19 +148,22 @@ struct _sim_event {
#define _ETRACE sd, NULL
#undef ETRACE_P
#define ETRACE_P (WITH_TRACE && STATE_EVENTS (sd)->trace)
#undef ETRACE
#define ETRACE(ARGS) \
do \
{ \
if (WITH_TRACE) \
if (ETRACE_P) \
{ \
if (STATE_EVENTS (sd)->trace) \
{ \
const char *file; \
SIM_FILTER_PATH (file, __FILE__); \
trace_printf (sd, NULL, "%s:%d: ", file, __LINE__); \
trace_printf ARGS; \
} \
if (STRACE_DEBUG_P (sd)) \
{ \
const char *file; \
SIM_FILTER_PATH (file, __FILE__); \
trace_printf (sd, NULL, "%s:%d: ", file, __LINE__); \
} \
trace_printf ARGS; \
} \
} \
while (0)
@ -154,8 +171,8 @@ while (0)
/* event queue iterator - don't iterate over the held queue. */
STATIC_INLINE_SIM_EVENTS\
(sim_event **)
#if EXTERN_SIM_EVENTS_P
static sim_event **
next_event_queue (SIM_DESC sd,
sim_event **queue)
{
@ -171,6 +188,7 @@ next_event_queue (SIM_DESC sd,
sim_io_error (sd, "next_event_queue - bad queue");
return NULL;
}
#endif
STATIC_INLINE_SIM_EVENTS\
@ -188,13 +206,15 @@ sim_events_poll (SIM_DESC sd,
This is called via sim_module_install to install the "events" subsystem
into the simulator. */
#if EXTERN_SIM_EVENTS_P
STATIC_SIM_EVENTS (MODULE_UNINSTALL_FN) sim_events_uninstall;
STATIC_SIM_EVENTS (MODULE_INIT_FN) sim_events_init;
STATIC_SIM_EVENTS (MODULE_RESUME_FN) sim_events_resume;
STATIC_SIM_EVENTS (MODULE_SUSPEND_FN) sim_events_suspend;
#endif
EXTERN_SIM_EVENTS\
(SIM_RC)
#if EXTERN_SIM_EVENTS_P
SIM_RC
sim_events_install (SIM_DESC sd)
{
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
@ -204,13 +224,14 @@ sim_events_install (SIM_DESC sd)
sim_module_add_suspend_fn (sd, sim_events_suspend);
return SIM_RC_OK;
}
#endif
/* Suspend/resume the event queue manager when the simulator is not
running */
STATIC_SIM_EVENTS\
(SIM_RC)
#if EXTERN_SIM_EVENTS_P
static SIM_RC
sim_events_resume (SIM_DESC sd)
{
sim_events *events = STATE_EVENTS (sd);
@ -219,9 +240,10 @@ sim_events_resume (SIM_DESC sd)
events->resume_wallclock = sim_elapsed_time_get ();
return SIM_RC_OK;
}
#endif
STATIC_SIM_EVENTS\
(SIM_RC)
#if EXTERN_SIM_EVENTS_P
static SIM_RC
sim_events_suspend (SIM_DESC sd)
{
sim_events *events = STATE_EVENTS (sd);
@ -231,23 +253,25 @@ sim_events_suspend (SIM_DESC sd)
events->resume_wallclock = 0;
return SIM_RC_OK;
}
#endif
/* Uninstall the "events" subsystem from the simulator. */
STATIC_SIM_EVENTS\
(void)
#if EXTERN_SIM_EVENTS_P
static void
sim_events_uninstall (SIM_DESC sd)
{
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
/* FIXME: free buffers, etc. */
}
#endif
/* malloc/free */
STATIC_INLINE_SIM_EVENTS\
(sim_event *)
#if EXTERN_SIM_EVENTS_P
static sim_event *
sim_events_zalloc (SIM_DESC sd)
{
sim_events *events = STATE_EVENTS (sd);
@ -274,6 +298,7 @@ sim_events_zalloc (SIM_DESC sd)
}
return new;
}
#endif
STATIC_INLINE_SIM_EVENTS\
(void)
@ -283,13 +308,18 @@ sim_events_free (SIM_DESC sd,
sim_events *events = STATE_EVENTS (sd);
dead->next = events->free_list;
events->free_list = dead;
if (dead->trace != NULL)
{
free (dead->trace); /* NB: asprintf returns a `free' buf */
dead->trace = NULL;
}
}
/* Initialize the simulator event manager */
EXTERN_SIM_EVENTS\
(SIM_RC)
#if EXTERN_SIM_EVENTS_P
SIM_RC
sim_events_init (SIM_DESC sd)
{
sim_events *events = STATE_EVENTS (sd);
@ -297,7 +327,7 @@ sim_events_init (SIM_DESC sd)
/* drain the interrupt queue */
events->nr_held = 0;
if (events->held == NULL)
events->held = zalloc (sizeof (sim_event) * MAX_NR_SIGNAL_SIM_EVENTS);
events->held = NZALLOC (sim_event, MAX_NR_SIGNAL_SIM_EVENTS);
/* drain the normal queues */
{
@ -331,6 +361,7 @@ sim_events_init (SIM_DESC sd)
return SIM_RC_OK;
}
#endif
INLINE_SIM_EVENTS\
@ -346,8 +377,14 @@ INLINE_SIM_EVENTS\
(unsigned long)
sim_events_elapsed_time (SIM_DESC sd)
{
return (sim_elapsed_time_since (STATE_EVENTS (sd)->resume_wallclock)
+ STATE_EVENTS (sd)->elapsed_wallclock);
unsigned long elapsed = STATE_EVENTS (sd)->elapsed_wallclock;
/* Are we being called inside sim_resume?
(Is there a simulation in progress?) */
if (STATE_EVENTS (sd)->resume_wallclock != 0)
elapsed += sim_elapsed_time_since (STATE_EVENTS (sd)->resume_wallclock);
return elapsed;
}
@ -371,8 +408,8 @@ update_time_from_event (SIM_DESC sd)
}
STATIC_INLINE_SIM_EVENTS\
(void)
#if EXTERN_SIM_EVENTS_P
static void
insert_sim_event (SIM_DESC sd,
sim_event *new_event,
signed64 delta)
@ -408,33 +445,72 @@ insert_sim_event (SIM_DESC sd,
/* adjust the time until the first event */
update_time_from_event (sd);
}
#endif
EXTERN_SIM_EVENTS\
(sim_event *)
#if EXTERN_SIM_EVENTS_P
sim_event *
sim_events_schedule (SIM_DESC sd,
signed64 delta_time,
sim_event_handler *handler,
void *data)
{
return sim_events_schedule_vtracef (sd, delta_time, handler, data, NULL, 0);
}
#endif
#if EXTERN_SIM_EVENTS_P
sim_event *
sim_events_schedule_tracef (SIM_DESC sd,
signed64 delta_time,
sim_event_handler *handler,
void *data,
const char *fmt,
...)
{
sim_event *new_event;
va_list ap;
va_start (ap, fmt);
new_event = sim_events_schedule_vtracef (sd, delta_time, handler, data, fmt, ap);
va_end (ap);
return new_event;
}
#endif
#if EXTERN_SIM_EVENTS_P
sim_event *
sim_events_schedule_vtracef (SIM_DESC sd,
signed64 delta_time,
sim_event_handler *handler,
void *data,
const char *fmt,
va_list ap)
{
sim_event *new_event = sim_events_zalloc (sd);
new_event->data = data;
new_event->handler = handler;
new_event->watching = watch_timer;
if (fmt == NULL || !ETRACE_P || vasprintf (&new_event->trace, fmt, ap) < 0)
new_event->trace = NULL;
insert_sim_event(sd, new_event, delta_time);
ETRACE((_ETRACE,
"event scheduled at %ld - tag 0x%lx - time %ld, handler 0x%lx, data 0x%lx\n",
"event scheduled at %ld - tag 0x%lx - time %ld, handler 0x%lx, data 0x%lx%s%s\n",
(long)sim_events_time(sd),
(long)new_event,
(long)new_event->time_of_event,
(long)new_event->handler,
(long)new_event->data));
(long)new_event->data,
(new_event->trace != NULL) ? ", " : "",
(new_event->trace != NULL) ? new_event->trace : ""));
return new_event;
}
#endif
EXTERN_SIM_EVENTS\
(void)
#if EXTERN_SIM_EVENTS_P
void
sim_events_schedule_after_signal (SIM_DESC sd,
signed64 delta_time,
sim_event_handler *handler,
@ -479,10 +555,11 @@ sim_events_schedule_after_signal (SIM_DESC sd,
(long)new_event->handler,
(long)new_event->data));
}
#endif
EXTERN_SIM_EVENTS\
(sim_event *)
#if EXTERN_SIM_EVENTS_P
sim_event *
sim_events_watch_clock (SIM_DESC sd,
unsigned delta_ms_time,
sim_event_handler *handler,
@ -515,10 +592,11 @@ sim_events_watch_clock (SIM_DESC sd,
(long)new_event->data));
return new_event;
}
#endif
EXTERN_SIM_EVENTS\
(sim_event *)
#if EXTERN_SIM_EVENTS_P
sim_event *
sim_events_watch_sim (SIM_DESC sd,
void *host_addr,
int nr_bytes,
@ -592,13 +670,14 @@ sim_events_watch_sim (SIM_DESC sd,
(long)new_event->data));
return new_event;
}
#endif
EXTERN_SIM_EVENTS\
(sim_event *)
#if EXTERN_SIM_EVENTS_P
sim_event *
sim_events_watch_core (SIM_DESC sd,
address_word core_addr,
sim_core_maps core_map,
unsigned core_map,
int nr_bytes,
int byte_order,
int is_within,
@ -671,10 +750,11 @@ sim_events_watch_core (SIM_DESC sd,
(long)new_event->data));
return new_event;
}
#endif
EXTERN_SIM_EVENTS\
(void)
#if EXTERN_SIM_EVENTS_P
void
sim_events_deschedule (SIM_DESC sd,
sim_event *event_to_remove)
{
@ -694,12 +774,14 @@ sim_events_deschedule (SIM_DESC sd,
sim_event *dead = *ptr_to_current;
*ptr_to_current = dead->next;
ETRACE ((_ETRACE,
"event/watch descheduled at %ld - tag 0x%lx - time %ld, handler 0x%lx, data 0x%lx\n",
"event/watch descheduled at %ld - tag 0x%lx - time %ld, handler 0x%lx, data 0x%lx%s%s\n",
(long) sim_events_time (sd),
(long) event_to_remove,
(long) dead->time_of_event,
(long) dead->handler,
(long) dead->data));
(long) dead->data,
(dead->trace != NULL) ? ", " : "",
(dead->trace != NULL) ? dead->trace : ""));
sim_events_free (sd, dead);
update_time_from_event (sd);
SIM_ASSERT ((events->time_from_event >= 0) == (events->queue != NULL));
@ -712,6 +794,7 @@ sim_events_deschedule (SIM_DESC sd,
(long) sim_events_time (sd),
(long) event_to_remove));
}
#endif
STATIC_INLINE_SIM_EVENTS\
@ -1034,11 +1117,13 @@ sim_events_process (SIM_DESC sd)
sim_event_handler *handler = to_do->handler;
void *data = to_do->data;
ETRACE((_ETRACE,
"event issued at %ld - tag 0x%lx - handler 0x%lx, data 0x%lx\n",
"event issued at %ld - tag 0x%lx - handler 0x%lx, data 0x%lx%s%s\n",
(long) event_time,
(long) to_do,
(long) handler,
(long) data));
(long) data,
(to_do->trace != NULL) ? ", " : "",
(to_do->trace != NULL) ? to_do->trace : ""));
sim_events_free (sd, to_do);
handler (sd, data);
}
@ -1060,11 +1145,13 @@ sim_events_process (SIM_DESC sd)
events->queue = to_do->next;
update_time_from_event (sd);
ETRACE((_ETRACE,
"event issued at %ld - tag 0x%lx - handler 0x%lx, data 0x%lx\n",
"event issued at %ld - tag 0x%lx - handler 0x%lx, data 0x%lx%s%s\n",
(long) event_time,
(long) to_do,
(long) handler,
(long) data));
(long) data,
(to_do->trace != NULL) ? ", " : "",
(to_do->trace != NULL) ? to_do->trace : ""));
sim_events_free (sd, to_do);
handler (sd, data);
}
@ -1082,6 +1169,18 @@ sim_events_process (SIM_DESC sd)
/* this round of processing complete */
events->nr_ticks_to_process = 0;
#if __CYGWIN32__
/* Now call the ui_loop_hook to give the gui a chance to
process events. */
if (ui_loop_hook != NULL)
{
/* attempt to limit calls to 1-10 per second */
if (! (ui_loop_hook_counter++ & 0xf))
(*ui_loop_hook) (-2); /* magic */
}
#endif
}
#endif