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Some documentation of callback behavior.

This commit is contained in:
steve 2001-06-21 23:05:08 +00:00
parent 541f269c20
commit 1f3eedcfd7
2 changed files with 25 additions and 30 deletions
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15
vvp/vpi_callback.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: vpi_callback.cc,v 1.1 2001/06/21 22:54:12 steve Exp $"
#ident "$Id: vpi_callback.cc,v 1.2 2001/06/21 23:05:08 steve Exp $"
#endif
/*
@ -113,6 +113,16 @@ int vpi_remove_cb(vpiHandle ref)
return 0;
}
/*
* A functor callback trips when a functor is set by the functor_set
* function. This only happens when a propagated value passes
* through. This causes a callback only if the callback flag in the
* functor is set.
*
* When I get to this point, I locate the signal is associated with
* this functor and call all the callbacks on its callback list. The
* callbacks are deleted as I go.
*/
void vpip_trip_functor_callbacks(vvp_ipoint_t ptr)
{
struct __vpiSignal*sig = vpip_sig_from_ptr(ptr);
@ -140,6 +150,9 @@ void vpip_trip_monitor_callbacks(void)
/*
* $Log: vpi_callback.cc,v $
* Revision 1.2 2001/06/21 23:05:08 steve
* Some documentation of callback behavior.
*
* Revision 1.1 2001/06/21 22:54:12 steve
* Support cbValueChange callbacks.
*

40
vvp/vpi_signal.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: vpi_signal.cc,v 1.16 2001/06/21 22:54:12 steve Exp $"
#ident "$Id: vpi_signal.cc,v 1.17 2001/06/21 23:05:08 steve Exp $"
#endif
/*
@ -366,6 +366,13 @@ static vpiHandle signal_put_value(vpiHandle ref, s_vpi_value*vp,
}
/*
* 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)
{
@ -494,6 +501,9 @@ vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
/*
* $Log: vpi_signal.cc,v $
* Revision 1.17 2001/06/21 23:05:08 steve
* Some documentation of callback behavior.
*
* Revision 1.16 2001/06/21 22:54:12 steve
* Support cbValueChange callbacks.
*
@ -520,33 +530,5 @@ vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
* Add strengths to functors at compile time,
* and Make functors pass their strengths as they
* propagate their output.
*
* Revision 1.9 2001/04/26 00:01:33 steve
* Support $deposit to a wire or reg.
*
* Revision 1.8 2001/04/25 04:45:52 steve
* Implement vpi_put_value for signals.
*
* Revision 1.7 2001/04/05 01:34:26 steve
* Add the .var/s and .net/s statements for VPI support.
*
* Revision 1.6 2001/04/04 17:43:19 steve
* support decimal strings from signals.
*
* Revision 1.5 2001/03/25 20:45:10 steve
* Add vpiOctStrVal access to signals.
*
* Revision 1.4 2001/03/25 19:38:05 steve
* Support making hex strings.
*
* Revision 1.3 2001/03/25 00:35:35 steve
* Add the .net statement.
*
* Revision 1.2 2001/03/21 05:13:03 steve
* Allow var objects as vpiHandle arguments to %vpi_call.
*
* Revision 1.1 2001/03/20 06:16:24 steve
* Add support for variable vectors.
*
*/