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Rewire signal callback support for fast lookup. (Stephan Boettcher)

This commit is contained in:
steve 2001-07-13 03:02:34 +00:00
parent 15a952a143
commit a7328ecce1
3 changed files with 67 additions and 90 deletions
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7
vvp/functor.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: functor.h,v 1.26 2001/06/21 22:54:12 steve Exp $" #ident "$Id: functor.h,v 1.27 2001/07/13 03:02:34 steve Exp $"
#endif #endif
# include "pointers.h" # include "pointers.h"
@ -152,6 +152,8 @@ struct functor_s {
union { union {
unsigned char old_ival; // mode 3 unsigned char old_ival; // mode 3
}; };
/* Which signal are we representing */
struct __vpiSignal *sig;
}; };
typedef struct functor_s *functor_t; typedef struct functor_s *functor_t;
@ -295,6 +297,9 @@ extern const unsigned char ft_var[];
/* /*
* $Log: functor.h,v $ * $Log: functor.h,v $
* Revision 1.27 2001/07/13 03:02:34 steve
* Rewire signal callback support for fast lookup. (Stephan Boettcher)
*
* Revision 1.26 2001/06/21 22:54:12 steve * Revision 1.26 2001/06/21 22:54:12 steve
* Support cbValueChange callbacks. * Support cbValueChange callbacks.
* *

48
vvp/vpi_callback.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: vpi_callback.cc,v 1.3 2001/07/11 02:27:21 steve Exp $" #ident "$Id: vpi_callback.cc,v 1.4 2001/07/13 03:02:34 steve Exp $"
#endif #endif
/* /*
@ -47,6 +47,39 @@ const struct __vpirt callback_rt = {
0 0
}; };
static struct __vpiCallback* free_callback_root = 0x0;
inline static struct __vpiCallback* new_vpi_callback()
{
struct __vpiCallback* obj;
if (!free_callback_root) {
obj = new __vpiCallback;
obj->base.vpi_type = &callback_rt;
} else {
obj = free_callback_root;
free_callback_root = obj->next;
}
obj->next = 0x0;
return obj;
}
#if 1
inline static void free_vpi_callback(struct __vpiCallback* obj)
{
obj->next = free_callback_root;
free_callback_root = obj;
}
#else
inline static void free_vpi_callback(struct __vpiCallback* obj)
{
delete obj;
}
#endif
/* /*
* A value change callback is tripped when a bit of a signal * A value change callback is tripped when a bit of a signal
* changes. This function creates that value change callback and * changes. This function creates that value change callback and
@ -55,8 +88,7 @@ const struct __vpirt callback_rt = {
*/ */
static struct __vpiCallback* make_value_change(p_cb_data data) static struct __vpiCallback* make_value_change(p_cb_data data)
{ {
struct __vpiCallback*obj = new __vpiCallback; struct __vpiCallback*obj = new_vpi_callback();
obj->base.vpi_type = &callback_rt;
obj->cb_data = *data; obj->cb_data = *data;
obj->cb_time = *(data->time); obj->cb_time = *(data->time);
obj->cb_data.time = &obj->cb_time; obj->cb_data.time = &obj->cb_time;
@ -101,13 +133,12 @@ static void make_sync_run(vvp_gen_event_t obj, unsigned char)
cur->cb_data.time->high = 0; cur->cb_data.time->high = 0;
(cur->cb_data.cb_rtn)(&cur->cb_data); (cur->cb_data.cb_rtn)(&cur->cb_data);
delete cur; free_vpi_callback(cur);
} }
static struct __vpiCallback* make_sync(p_cb_data data) static struct __vpiCallback* make_sync(p_cb_data data)
{ {
struct __vpiCallback*obj = new __vpiCallback; struct __vpiCallback*obj = new_vpi_callback();
obj->base.vpi_type = &callback_rt;
obj->cb_data = *data; obj->cb_data = *data;
obj->cb_time = *(data->time); obj->cb_time = *(data->time);
obj->cb_data.time = &obj->cb_time; obj->cb_data.time = &obj->cb_time;
@ -188,7 +219,7 @@ void vpip_trip_functor_callbacks(vvp_ipoint_t ptr)
cur->cb_data.time->low = schedule_simtime(); cur->cb_data.time->low = schedule_simtime();
cur->cb_data.time->high = 0; cur->cb_data.time->high = 0;
(cur->cb_data.cb_rtn)(&cur->cb_data); (cur->cb_data.cb_rtn)(&cur->cb_data);
delete cur; free_vpi_callback(cur);
} }
} }
@ -199,6 +230,9 @@ void vpip_trip_monitor_callbacks(void)
/* /*
* $Log: vpi_callback.cc,v $ * $Log: vpi_callback.cc,v $
* Revision 1.4 2001/07/13 03:02:34 steve
* Rewire signal callback support for fast lookup. (Stephan Boettcher)
*
* Revision 1.3 2001/07/11 02:27:21 steve * Revision 1.3 2001/07/11 02:27:21 steve
* Add support for REadOnlySync and monitors. * Add support for REadOnlySync and monitors.
* *

102
vvp/vpi_signal.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: vpi_signal.cc,v 1.18 2001/06/29 00:44:56 steve Exp $" #ident "$Id: vpi_signal.cc,v 1.19 2001/07/13 03:02:34 steve Exp $"
#endif #endif
/* /*
@ -374,64 +374,10 @@ static vpiHandle signal_put_value(vpiHandle ref, s_vpi_value*vp,
return ref; return ref;
} }
/*
* Signals that are created for the design are kept in a table sorted
* by the functor address so that I cal look up that functor given the
* functor address. This is used by callbacks, for example.
*
* XXXX NOTE: I need to balance this tree someday.
*/
static struct __vpiSignal*by_bits_root = 0;
static void by_bits_insert(struct __vpiSignal*sig)
{
if (by_bits_root == 0) {
by_bits_root = sig;
return;
}
struct __vpiSignal*cur = by_bits_root;
for (;;) {
if (cur->bits > sig->bits) {
if (cur->by_bits[0] == 0) {
cur->by_bits[0] = sig;
break;
}
cur = cur->by_bits[0];
} else {
if (cur->by_bits[1] == 0) {
cur->by_bits[1] = sig;
break;
}
cur = cur->by_bits[1];
}
}
}
struct __vpiSignal* vpip_sig_from_ptr(vvp_ipoint_t ptr) struct __vpiSignal* vpip_sig_from_ptr(vvp_ipoint_t ptr)
{ {
struct __vpiSignal*cur = by_bits_root; functor_t fu = functor_index(ptr);
return fu->sig;
while (cur) {
if (ptr < cur->bits) {
cur = cur->by_bits[0];
continue;
}
unsigned wid = (cur->msb > cur->lsb)
? cur->msb - cur->lsb
: cur->lsb - cur->msb;
if (ptr > ipoint_index(cur->bits, wid)) {
cur = cur->by_bits[1];
continue;
}
return cur;
}
return cur;
} }
static const struct __vpirt vpip_reg_rt = { static const struct __vpirt vpip_reg_rt = {
@ -455,34 +401,18 @@ static const struct __vpirt vpip_net_rt = {
}; };
/* /*
* Construct a vpiReg object. Give the object specified dimensions, * Construct a vpiReg object. It's like a net, except for the type.
* and point to the specified functor for the lsb.
*/ */
vpiHandle vpip_make_reg(char*name, int msb, int lsb, bool signed_flag, vpiHandle vpip_make_reg(char*name, int msb, int lsb, bool signed_flag,
vvp_ipoint_t base) vvp_ipoint_t base)
{ {
struct __vpiSignal*obj = (struct __vpiSignal*) vpiHandle obj = vpip_make_net(name, msb,lsb, signed_flag, base);
malloc(sizeof(struct __vpiSignal)); obj->vpi_type = &vpip_reg_rt;
obj->base.vpi_type = &vpip_reg_rt; return obj;
obj->name = name;
obj->msb = msb;
obj->lsb = lsb;
obj->signed_flag = signed_flag? 1 : 0;
obj->bits = base;
obj->callbacks = 0;
obj->by_bits[0] = 0;
obj->by_bits[1] = 0;
obj->scope = vpip_peek_current_scope();
by_bits_insert(obj);
return &obj->base;
} }
/* /*
* Construct a vpiReg object. Give the object specified dimensions, * Construct a vpiNet object. Give the object specified dimensions,
* and point to the specified functor for the lsb. * and point to the specified functor for the lsb.
*/ */
vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag, vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
@ -497,19 +427,27 @@ vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
obj->signed_flag = signed_flag? 1 : 0; obj->signed_flag = signed_flag? 1 : 0;
obj->bits = base; obj->bits = base;
obj->callbacks = 0; obj->callbacks = 0;
obj->by_bits[0] = 0;
obj->by_bits[1] = 0;
obj->scope = vpip_peek_current_scope(); obj->scope = vpip_peek_current_scope();
by_bits_insert(obj); unsigned wid = (obj->msb > obj->lsb)
? obj->msb - obj->lsb + 1
: obj->lsb - obj->msb + 1;
for (unsigned i=0; i<wid; i++) {
vvp_ipoint_t ii = ipoint_index(obj->bits, i);
functor_t fu = functor_index(ii);
fu->sig = obj;
}
return &obj->base; return &obj->base;
} }
/* /*
* $Log: vpi_signal.cc,v $ * $Log: vpi_signal.cc,v $
* Revision 1.19 2001/07/13 03:02:34 steve
* Rewire signal callback support for fast lookup. (Stephan Boettcher)
*
* Revision 1.18 2001/06/29 00:44:56 steve * Revision 1.18 2001/06/29 00:44:56 steve
* Properly support signal full names. * Properly support signal full names.
* *