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Implement string value for signals.

This commit is contained in:
steve 2001-07-24 01:34:56 +00:00
parent bc284ee6d8
commit 6d5fcf5853
1 changed files with 45 additions and 2 deletions
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47
vvp/vpi_signal.cc
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@ -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 1.20 2001/07/16 18:48:07 steve Exp $"
#ident "$Id: vpi_signal.cc,v 1.21 2001/07/24 01:34:56 steve Exp $"
#endif
/*
@ -167,6 +167,39 @@ static void signal_vpiDecStrVal(struct __vpiSignal*rfp, s_vpi_value*vp)
}
}
static void signal_vpiStringVal(struct __vpiSignal*rfp, s_vpi_value*vp)
{
char*cp;
unsigned idx;
unsigned wid = (rfp->msb >= rfp->lsb)
? (rfp->msb - rfp->lsb + 1)
: (rfp->lsb - rfp->msb + 1);
assert(wid % 8 == 0);
cp = buf;
for (idx = wid ; idx >= 8 ; idx -= 8) {
char tmp = 0;
unsigned bdx;
for (bdx = 8 ; bdx > 0 ; bdx -= 1) {
vvp_ipoint_t fptr = ipoint_index(rfp->bits, idx-8+bdx-1);
tmp <<= 1;
switch (functor_oval(fptr)) {
case 0:
break;
case 1:
tmp |= 1;
break;
default:
break;
}
}
*cp++ = tmp? tmp : ' ';
}
*cp++ = 0;
}
/*
* The get_value method reads the values of the functors and returns
* the vector to the caller. This causes no side-effect, and reads the
@ -288,8 +321,15 @@ static void signal_get_value(vpiHandle ref, s_vpi_value*vp)
vp->value.str = buf;
break;
case vpiStringVal:
signal_vpiStringVal(rfp, vp);
vp->value.str = buf;
break;
default:
/* XXXX Not implemented yet. */
fprintf(stderr, "vvp internal error: signal_get_value: "
"value type %u not implemented.\n", vp->format);
assert(0);
}
}
@ -465,6 +505,9 @@ vpiHandle vpip_make_net(char*name, int msb, int lsb, bool signed_flag,
/*
* $Log: vpi_signal.cc,v $
* Revision 1.21 2001/07/24 01:34:56 steve
* Implement string value for signals.
*
* Revision 1.20 2001/07/16 18:48:07 steve
* Properly pad unknow values. (Stephan Boettcher)
*