Rewire signal callback support for fast lookup. (Stephan Boettcher)
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steve
parent
15a952a143
commit
a7328ecce1
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@ -19,7 +19,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: functor.h,v 1.26 2001/06/21 22:54:12 steve Exp $"
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#ident "$Id: functor.h,v 1.27 2001/07/13 03:02:34 steve Exp $"
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#endif
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# include "pointers.h"
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@ -152,6 +152,8 @@ struct functor_s {
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union {
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unsigned char old_ival; // mode 3
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};
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/* Which signal are we representing */
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struct __vpiSignal *sig;
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};
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typedef struct functor_s *functor_t;
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@ -295,6 +297,9 @@ extern const unsigned char ft_var[];
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/*
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* $Log: functor.h,v $
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* Revision 1.27 2001/07/13 03:02:34 steve
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* Rewire signal callback support for fast lookup. (Stephan Boettcher)
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*
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* Revision 1.26 2001/06/21 22:54:12 steve
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* Support cbValueChange callbacks.
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*
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: vpi_callback.cc,v 1.3 2001/07/11 02:27:21 steve Exp $"
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#ident "$Id: vpi_callback.cc,v 1.4 2001/07/13 03:02:34 steve Exp $"
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#endif
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/*
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@ -47,6 +47,39 @@ const struct __vpirt callback_rt = {
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0
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};
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static struct __vpiCallback* free_callback_root = 0x0;
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inline static struct __vpiCallback* new_vpi_callback()
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{
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struct __vpiCallback* obj;
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if (!free_callback_root) {
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obj = new __vpiCallback;
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obj->base.vpi_type = &callback_rt;
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} else {
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obj = free_callback_root;
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free_callback_root = obj->next;
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}
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obj->next = 0x0;
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return obj;
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}
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#if 1
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inline static void free_vpi_callback(struct __vpiCallback* obj)
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{
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obj->next = free_callback_root;
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free_callback_root = obj;
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}
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#else
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inline static void free_vpi_callback(struct __vpiCallback* obj)
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{
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delete obj;
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}
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#endif
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/*
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* A value change callback is tripped when a bit of a signal
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* changes. This function creates that value change callback and
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@ -55,8 +88,7 @@ const struct __vpirt callback_rt = {
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*/
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static struct __vpiCallback* make_value_change(p_cb_data data)
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{
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struct __vpiCallback*obj = new __vpiCallback;
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obj->base.vpi_type = &callback_rt;
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struct __vpiCallback*obj = new_vpi_callback();
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obj->cb_data = *data;
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obj->cb_time = *(data->time);
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obj->cb_data.time = &obj->cb_time;
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@ -101,13 +133,12 @@ static void make_sync_run(vvp_gen_event_t obj, unsigned char)
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cur->cb_data.time->high = 0;
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(cur->cb_data.cb_rtn)(&cur->cb_data);
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delete cur;
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free_vpi_callback(cur);
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}
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static struct __vpiCallback* make_sync(p_cb_data data)
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{
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struct __vpiCallback*obj = new __vpiCallback;
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obj->base.vpi_type = &callback_rt;
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struct __vpiCallback*obj = new_vpi_callback();
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obj->cb_data = *data;
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obj->cb_time = *(data->time);
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obj->cb_data.time = &obj->cb_time;
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@ -188,7 +219,7 @@ void vpip_trip_functor_callbacks(vvp_ipoint_t ptr)
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cur->cb_data.time->low = schedule_simtime();
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cur->cb_data.time->high = 0;
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(cur->cb_data.cb_rtn)(&cur->cb_data);
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delete cur;
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free_vpi_callback(cur);
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}
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}
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@ -199,6 +230,9 @@ void vpip_trip_monitor_callbacks(void)
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/*
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* $Log: vpi_callback.cc,v $
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* Revision 1.4 2001/07/13 03:02:34 steve
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* Rewire signal callback support for fast lookup. (Stephan Boettcher)
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*
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* Revision 1.3 2001/07/11 02:27:21 steve
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* Add support for REadOnlySync and monitors.
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*
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: vpi_signal.cc,v 1.18 2001/06/29 00:44:56 steve Exp $"
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#ident "$Id: vpi_signal.cc,v 1.19 2001/07/13 03:02:34 steve Exp $"
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#endif
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/*
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@ -374,64 +374,10 @@ static vpiHandle signal_put_value(vpiHandle ref, s_vpi_value*vp,
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return ref;
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}
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/*
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* Signals that are created for the design are kept in a table sorted
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* by the functor address so that I cal look up that functor given the
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* functor address. This is used by callbacks, for example.
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*
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* XXXX NOTE: I need to balance this tree someday.
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*/
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static struct __vpiSignal*by_bits_root = 0;
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static void by_bits_insert(struct __vpiSignal*sig)
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{
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if (by_bits_root == 0) {
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by_bits_root = sig;
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return;
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}
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struct __vpiSignal*cur = by_bits_root;
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for (;;) {
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if (cur->bits > sig->bits) {
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if (cur->by_bits[0] == 0) {
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cur->by_bits[0] = sig;
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break;
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}
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cur = cur->by_bits[0];
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} else {
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if (cur->by_bits[1] == 0) {
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cur->by_bits[1] = sig;
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break;
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}
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cur = cur->by_bits[1];
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}
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}
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}
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struct __vpiSignal* vpip_sig_from_ptr(vvp_ipoint_t ptr)
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{
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struct __vpiSignal*cur = by_bits_root;
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while (cur) {
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if (ptr < cur->bits) {
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cur = cur->by_bits[0];
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continue;
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}
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unsigned wid = (cur->msb > cur->lsb)
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? cur->msb - cur->lsb
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: cur->lsb - cur->msb;
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if (ptr > ipoint_index(cur->bits, wid)) {
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cur = cur->by_bits[1];
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continue;
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}
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return cur;
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}
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return cur;
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functor_t fu = functor_index(ptr);
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return fu->sig;
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}
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static const struct __vpirt vpip_reg_rt = {
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@ -455,34 +401,18 @@ static const struct __vpirt vpip_net_rt = {
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};
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/*
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* Construct a vpiReg object. Give the object specified dimensions,
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* and point to the specified functor for the lsb.
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* Construct a vpiReg object. It's like a net, except for the type.
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*/
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vpiHandle vpip_make_reg(char*name, int msb, int lsb, bool signed_flag,
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vvp_ipoint_t base)
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{
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struct __vpiSignal*obj = (struct __vpiSignal*)
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malloc(sizeof(struct __vpiSignal));
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obj->base.vpi_type = &vpip_reg_rt;
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obj->name = name;
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obj->msb = msb;
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obj->lsb = lsb;
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obj->signed_flag = signed_flag? 1 : 0;
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obj->bits = base;
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obj->callbacks = 0;
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obj->by_bits[0] = 0;
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obj->by_bits[1] = 0;
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obj->scope = vpip_peek_current_scope();
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by_bits_insert(obj);
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return &obj->base;
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vpiHandle obj = vpip_make_net(name, msb,lsb, signed_flag, base);
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obj->vpi_type = &vpip_reg_rt;
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return obj;
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}
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/*
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* Construct a vpiReg object. Give the object specified dimensions,
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* Construct a vpiNet object. Give the object specified dimensions,
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* and point to the specified functor for the lsb.
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*/
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vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
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@ -497,19 +427,27 @@ vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
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obj->signed_flag = signed_flag? 1 : 0;
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obj->bits = base;
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obj->callbacks = 0;
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obj->by_bits[0] = 0;
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obj->by_bits[1] = 0;
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obj->scope = vpip_peek_current_scope();
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by_bits_insert(obj);
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unsigned wid = (obj->msb > obj->lsb)
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? obj->msb - obj->lsb + 1
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: obj->lsb - obj->msb + 1;
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for (unsigned i=0; i<wid; i++) {
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vvp_ipoint_t ii = ipoint_index(obj->bits, i);
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functor_t fu = functor_index(ii);
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fu->sig = obj;
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}
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return &obj->base;
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}
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/*
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* $Log: vpi_signal.cc,v $
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* Revision 1.19 2001/07/13 03:02:34 steve
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* Rewire signal callback support for fast lookup. (Stephan Boettcher)
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*
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* Revision 1.18 2001/06/29 00:44:56 steve
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* Properly support signal full names.
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*
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