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Pass FF synchronous set values to code generator.

This commit is contained in:
steve 2003-09-03 23:33:29 +00:00
parent c26df174a1
commit 7521aa83f8
3 changed files with 59 additions and 7 deletions
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39
t-dll-api.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: t-dll-api.cc,v 1.103 2003/08/22 23:14:26 steve Exp $"
#ident "$Id: t-dll-api.cc,v 1.104 2003/09/03 23:33:30 steve Exp $"
#endif
# include "config.h"
@ -464,8 +464,25 @@ extern "C" const char* ivl_expr_string(ivl_expr_t net)
extern "C" unsigned long ivl_expr_uvalue(ivl_expr_t net)
{
assert(net->type_ == IVL_EX_ULONG);
return net->u_.ulong_.value;
switch (net->type_) {
case IVL_EX_ULONG:
return net->u_.ulong_.value;
case IVL_EX_NUMBER: {
unsigned long val = 0;
for (unsigned long idx = 0 ; idx < net->width_ ; idx += 1) {
if (net->u_.number_.bits_[idx] == '1')
val |= 1UL << idx;
}
return val;
}
default:
assert(0);
}
}
extern "C" ivl_variable_type_t ivl_expr_value(ivl_expr_t net)
@ -681,6 +698,19 @@ extern "C" ivl_expr_t ivl_lpm_aset_value(ivl_lpm_t net)
return 0;
}
}
extern "C" ivl_expr_t ivl_lpm_sset_value(ivl_lpm_t net)
{
assert(net);
switch (net->type) {
case IVL_LPM_FF:
case IVL_LPM_RAM:
return net->u_.ff.sset_value;
default:
assert(0);
return 0;
}
}
extern "C" ivl_scope_t ivl_lpm_define(ivl_lpm_t net)
{
assert(net);
@ -1883,6 +1913,9 @@ extern "C" ivl_variable_type_t ivl_variable_type(ivl_variable_t net)
/*
* $Log: t-dll-api.cc,v $
* Revision 1.104 2003/09/03 23:33:30 steve
* Pass FF synchronous set values to code generator.
*
* Revision 1.103 2003/08/22 23:14:26 steve
* Preserve variable ranges all the way to the vpi.
*

21
t-dll.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: t-dll.cc,v 1.120 2003/08/22 04:14:33 steve Exp $"
#ident "$Id: t-dll.cc,v 1.121 2003/09/03 23:33:29 steve Exp $"
#endif
# include "config.h"
@ -1537,8 +1537,20 @@ void dll_target::lpm_ff(const NetFF*net)
obj->u_.ff.sclr = 0;
}
/* XXXX Not supported yet. */
obj->u_.ff.sset = 0;
if (net->pin_Sset().is_linked()) {
nex = net->pin_Sset().nexus();
assert(nex->t_cookie());
obj->u_.ff.sset = (ivl_nexus_t) nex->t_cookie();
assert(obj->u_.ff.sset);
nexus_lpm_add(obj->u_.ff.sset, obj, 0, IVL_DR_HiZ, IVL_DR_HiZ);
verinum tmp = net->sset_value();
obj->u_.ff.sset_value = expr_from_value_(tmp);
} else {
obj->u_.ff.sset = 0;
obj->u_.ff.sset_value = 0;
}
if (obj->u_.ff.width == 1) {
nex = net->pin_Q(0).nexus();
@ -2147,6 +2159,9 @@ extern const struct target tgt_dll = { "dll", &dll_target_obj };
/*
* $Log: t-dll.cc,v $
* Revision 1.121 2003/09/03 23:33:29 steve
* Pass FF synchronous set values to code generator.
*
* Revision 1.120 2003/08/22 04:14:33 steve
* Fix uninitialized sset member.
*

6
t-dll.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: t-dll.h,v 1.105 2003/08/15 02:23:53 steve Exp $"
#ident "$Id: t-dll.h,v 1.106 2003/09/03 23:33:29 steve Exp $"
#endif
# include "target.h"
@ -315,6 +315,7 @@ struct ivl_lpm_s {
} s;
ivl_memory_t mem; // ram only
ivl_expr_t aset_value;
ivl_expr_t sset_value;
} ff;
struct ivl_lpm_mux_s {
@ -683,6 +684,9 @@ struct ivl_variable_s {
/*
* $Log: t-dll.h,v $
* Revision 1.106 2003/09/03 23:33:29 steve
* Pass FF synchronous set values to code generator.
*
* Revision 1.105 2003/08/15 02:23:53 steve
* Add synthesis support for synchronous reset.
*