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prssim.cc
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prssim.cc
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/*************************************************************************
*
* Copyright (c) 2020 Rajit Manohar
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
**************************************************************************
*/
#include <common/simdes.h>
#include "prssim.h"
#include <common/qops.h>
//#define DUMP_ALL
PrsSim::PrsSim (PrsSimGraph *g, ActSimCore *sim, Process *p)
: ActSimObj (sim, p)
{
_sc = sim;
_g = g;
_sim = NULL;
_nobjs = 0;
_inst_gate_delay = NULL;
}
PrsSim::~PrsSim()
{
for (int i=0; i < _nobjs; i++) {
_sim[i].~OnePrsSim();
if (_inst_gate_delay) {
_inst_gate_delay[i]->delete_tables();
delete _inst_gate_delay[i];
}
}
if (_sim) {
FREE (_sim);
}
if (_inst_gate_delay) {
FREE (_inst_gate_delay);
}
_nobjs = 0;
}
void PrsSim::initState ()
{
for (int i=0; i < _nobjs; i++) {
_sim[i].propagate(NULL);
}
}
int PrsSim::Step (Event */*ev*/)
{
fatal_error ("This should never be called!");
return 1;
}
extern ActSim *glob_sim;
void PrsSim::printStatus (int val, bool io_glob)
{
listitem_t *li;
int emit_name = 0;
if (io_glob) {
stateinfo_t *si = glob_sim->getsi (_proc);
if (!si) {
return;
}
for (int i=0; i < si->ports.numBools(); i++) {
int port_idx = -(i+1)*2+1;
int pval = getBool (port_idx);
if (pval == val) {
int dy;
act_connection *c = glob_sim->getConnFromOffset (_proc, port_idx,
0, &dy);
Assert (c, "Hmm");
if (!emit_name) {
if (name) {
name->Print (stdout);
}
else {
printf ("-top-");
}
printf (" port:{ ");
emit_name = 1;
}
else {
printf (" ");
}
c->Print (stdout);
}
}
}
else {
for (int i=0; i < _nobjs; i++) {
if (_sim[i].matches (val)) {
if (!emit_name) {
if (name) {
name->Print (stdout);
}
else {
printf ("-top-");
}
printf (" { ");
emit_name = 1;
}
else {
printf (" ");
}
_sim[i].printName ();
}
}
}
if (emit_name) {
printf (" }\n");
}
}
void PrsSim::_computeFanout (prssim_expr *e, SimDES *s)
{
if (!e) return;
switch (e->type) {
case PRSSIM_EXPR_AND:
case PRSSIM_EXPR_OR:
_computeFanout (e->l, s);
_computeFanout (e->r, s);
break;
case PRSSIM_EXPR_NOT:
_computeFanout (e->l, s);
break;
case PRSSIM_EXPR_VAR:
{
int off = getGlobalOffset (e->vid, 0); // boolean
_sc->incFanout (off, 0, s);
}
break;
case PRSSIM_EXPR_TRUE:
case PRSSIM_EXPR_FALSE:
break;
default:
Assert (0, "What?");
break;
}
}
void PrsSim::computeFanout ()
{
prssim_stmt *x;
int count = 0;
for (x = _g->getRules(); x; x = x->next) {
count++;
}
if (count > 0) {
_nobjs = count;
MALLOC (_sim, OnePrsSim, count);
}
count = 0;
for (x = _g->getRules(); x; x = x->next) {
/* -- create rule -- */
new (&_sim[count++]) OnePrsSim (this, x);
OnePrsSim *t = &_sim[count-1];
if (x->type == PRSSIM_RULE) {
// XXX: check if this is part of a multi-driver!
int gid = myGid (x->vid);
MultiPrsSim *mp = _sc->getMulti (gid);
SimDES *_fo;
if (mp) {
#if 0
printf ("found multi! => ");
name->Print (stdout);
printf ("/");
x->c->Print (stdout);
printf ("\n");
#endif
mp->addOnePrsSim (t);
_fo = mp;
}
else {
_fo = t;
}
_computeFanout (x->up[0], _fo);
_computeFanout (x->up[1], _fo);
_computeFanout (x->dn[0], _fo);
_computeFanout (x->dn[1], _fo);
}
else {
int off;
if (x->type == PRSSIM_PASSP || x->type == PRSSIM_TGATE) {
off = getGlobalOffset (x->_g, 0);
_sc->incFanout (off, 0, t);
}
if (x->type == PRSSIM_PASSN || x->type == PRSSIM_TGATE) {
off = getGlobalOffset (x->g, 0);
_sc->incFanout (off, 0, t);
}
off = getGlobalOffset (x->t1, 0);
_sc->incFanout (off, 0, t);
off = getGlobalOffset (x->t2, 0);
_sc->incFanout (off, 0, t);
}
}
}
static int _attr_check (const char *nm, act_attr_t *attr)
{
while (attr) {
if (strcmp (attr->attr, nm) == 0) {
Assert (attr->e->type == E_INT, "What?");
return attr->e->u.ival.v;
}
attr = attr->next;
}
return -1;
}
static struct Hashtable *at_table;
static sdf_cell *current_ci;
static prssim_stmt *current_stmt;
static double sdf_ts_conv;
/*
WARNING: this assumes that double -> int conversion truncates the
fractional part
*/
static int my_conv (double v)
{
int res;
double cvt = v * sdf_ts_conv;
// WARNING: this should not happen
if (cvt < 0) return 1;
res = (int) cvt;
double x = cvt - res;
if (fabs(x-0.5) < 1e-6) {
// round to nearest even
if (res & 1) {
res++;
}
}
else if (x > 0.5) {
res++;
}
return res;
}
// use current_ci to find path
static sdf_path *_find_sdf_path (ActId *in_id, ActId *out_id, int is_fall)
{
if (!current_ci) return NULL;
for (int i=0; i < A_LEN (current_ci->_paths); i++) {
sdf_path *p = ¤t_ci->_paths[i];
// from might be NULL
// to cannot be NULL
if (p->type == SDF_ELEM_DEVICE) {
Assert (p->to, "What");
if (p->to->isEqual (out_id)) {
// match device!
p->used = 1;
return p;
}
}
else if (p->type == SDF_ELEM_IOPATH) {
Assert (p->to && p->from, "What?");
if (p->to->isEqual (out_id) && p->from->isEqual (in_id) &&
(p->dirfrom == 0 ||
(p->dirfrom == 1 /* posedge */ && is_fall == 0) ||
(p->dirfrom == 2 /* negedge */ && is_fall == 1))) {
p->used = 1;
return p;
}
}
else {
/* XXX: that's it: we need to put interconnect delays somewhere! */
// PORT, INTERCONNECT, NETDELAY
if (p->from && p->to) {
if (p->to->isEqual (out_id) && p->from->isEqual (in_id)) {
p->used = 1;
}
}
else if (p->to) {
if (p->to->isEqual (out_id)) {
p->used = 1;
}
}
else {
Assert (0, "Should not be here!");
p->used = 1;
}
}
}
return NULL;
}
static gate_delay_info *current_gi;
static void _record_inst_delays (ActSimCore *sc, act_prs_expr_t *e, int type)
{
int is_fall;
if (!e) return;
switch (e->type) {
case ACT_PRS_EXPR_AND:
case ACT_PRS_EXPR_OR:
_record_inst_delays (sc, e->u.e.l, type);
_record_inst_delays (sc, e->u.e.r, type);
break;
case ACT_PRS_EXPR_NOT:
if (type == 2) {
_record_inst_delays (sc, e->u.e.l, 2);
}
else {
_record_inst_delays (sc, e->u.e.l, 1-type);
}
break;
case ACT_PRS_EXPR_VAR:
if (type != 0) {
is_fall = 1;
}
else {
is_fall = 0;
}
{
int vid = sc->getLocalOffset (e->u.v.id, sc->cursi(), NULL);
act_connection *c = e->u.v.id->Canonical (sc->cursi()->bnl->cur);
if (current_ci) {
/*-- look through SDF paths from e->u.v.id to current_stmt->c --*/
ActId *out_id = current_stmt->c->toid();
sdf_path *p = _find_sdf_path (e->u.v.id, out_id, is_fall);
if (p) {
if (p->abs) {
current_gi->up.add (vid, my_conv (p->d.z2o.typ), false);
current_gi->dn.add (vid, my_conv (p->d.o2z.typ), false);
}
else {
current_gi->up.inc (vid, my_conv (p->d.z2o.typ), false);
current_gi->dn.inc (vid, my_conv (p->d.o2z.typ), false);
}
}
delete out_id;
}
}
break;
case ACT_PRS_EXPR_TRUE:
case ACT_PRS_EXPR_FALSE:
break;
case ACT_PRS_EXPR_LABEL:
{
hash_bucket_t *b = hash_lookup (at_table, e->u.l.label);
if (!b) {
fatal_error ("Unknown label `%s'", e->u.l.label);
}
act_prs_lang_t *pl = (act_prs_lang_t *) b->v;
if (pl->u.one.dir == 0) {
if (type != 2) {
_record_inst_delays (sc, pl->u.one.e, (type == 0 ? 1 : 0));
}
else {
_record_inst_delays (sc, pl->u.one.e, 0);
}
}
else {
_record_inst_delays (sc, pl->u.one.e, type);
}
}
break;
default:
fatal_error ("Huh?");
break;
}
}
static prssim_expr *_convert_prs (ActSimCore *sc, act_prs_expr_t *e, int type)
{
prssim_expr *x, *tmp;
int is_fall;
if (!e) return NULL;
NEW (x, prssim_expr);
switch (e->type) {
case ACT_PRS_EXPR_AND:
if (type == 1) {
x->type = PRSSIM_EXPR_OR;
}
else {
x->type = PRSSIM_EXPR_AND;
}
x->l = _convert_prs (sc, e->u.e.l, type);
x->r = _convert_prs (sc, e->u.e.r, type);
break;
case ACT_PRS_EXPR_OR:
if (type == 1) {
x->type = PRSSIM_EXPR_AND;
}
else {
x->type = PRSSIM_EXPR_OR;
}
x->l = _convert_prs (sc, e->u.e.l, type);
x->r = _convert_prs (sc, e->u.e.r, type);
break;
case ACT_PRS_EXPR_NOT:
if (type == 0) {
FREE (x);
x = _convert_prs (sc, e->u.e.l, 1);
}
else if (type == 1) {
FREE (x);
x = _convert_prs (sc, e->u.e.l, 0);
}
else {
x->type = PRSSIM_EXPR_NOT;
x->l = _convert_prs (sc, e->u.e.l, 2);
x->r = NULL;
}
break;
case ACT_PRS_EXPR_VAR:
if (type != 0) {
x->type = PRSSIM_EXPR_NOT;
NEW (x->l, prssim_expr);
x->r = NULL;
tmp = x->l;
is_fall = 1;
}
else {
tmp = x;
is_fall = 0;
}
tmp->type = PRSSIM_EXPR_VAR;
tmp->vid = sc->getLocalOffset (e->u.v.id, sc->cursi(), NULL);
tmp->c = e->u.v.id->Canonical (sc->cursi()->bnl->cur);
if (current_ci) {
/*-- look through SDF paths from e->u.v.id to current_stmt->c --*/
ActId *out_id = current_stmt->c->toid();
/* XXX: SDF we're currently ignoring SDF conditions */
for (int i=0; i < A_LEN (current_ci->_paths); i++) {
sdf_path *p = ¤t_ci->_paths[i];
// from might be NULL
// to cannot be NULL
if (p->type == SDF_ELEM_DEVICE) {
Assert (p->to, "What");
if (p->to->isEqual (out_id)) {
// match device!
p->used = 1;
// ADD TO UP AND DOWN for the output current_stmt->vid */
if (current_stmt->simpleDelay()) {
current_stmt->setDelayTables();
}
if (p->abs) {
current_stmt->setUpDelay (tmp->vid, my_conv (p->d.z2o.typ));
current_stmt->setDnDelay (tmp->vid, my_conv (p->d.o2z.typ));
}
else {
current_stmt->incUpDelay (tmp->vid, my_conv (p->d.z2o.typ));
current_stmt->incDnDelay (tmp->vid, my_conv (p->d.o2z.typ));
}
break;
}
}
else if (p->type == SDF_ELEM_IOPATH) {
Assert (p->to && p->from, "What?");
if (p->to->isEqual (out_id) && p->from->isEqual (e->u.v.id) &&
(p->dirfrom == 0 ||
(p->dirfrom == 1 /* posedge */ && is_fall == 0) ||
(p->dirfrom == 2 /* negedge */ && is_fall == 1))) {
p->used = 1;
if (current_stmt->simpleDelay()) {
current_stmt->setDelayTables();
}
if (p->abs) {
current_stmt->setUpDelay (tmp->vid, my_conv (p->d.z2o.typ));
current_stmt->setDnDelay (tmp->vid, my_conv (p->d.o2z.typ));
}
else {
current_stmt->incUpDelay (tmp->vid, my_conv (p->d.z2o.typ));
current_stmt->incDnDelay (tmp->vid, my_conv (p->d.o2z.typ));
}
break;
}
}
else {
/* XXX: that's it: we need to put interconnect delays somewhere! */
// PORT, INTERCONNECT, NETDELAY
if (p->from && p->to) {
if (p->to->isEqual (out_id) && p->from->isEqual (e->u.v.id)) {
p->used = 1;
}
}
else if (p->to) {
if (p->to->isEqual (out_id)) {
p->used = 1;
}
}
else {
Assert (0, "Should not be here!");
p->used = 1;
}
}
}
delete out_id;
#if 0
printf ("look-for: ");
e->u.v.id->Print (stdout);
printf ("%c to ", is_fall ? '-' : '+');
current_stmt->c->Print (stdout);
printf ("\n");
#endif
}
break;
case ACT_PRS_EXPR_TRUE:
if (type != 0) {
x->type = PRSSIM_EXPR_FALSE;
}
else {
x->type = PRSSIM_EXPR_TRUE;
}
break;
case ACT_PRS_EXPR_FALSE:
if (type != 0) {
x->type = PRSSIM_EXPR_TRUE;
}
else {
x->type = PRSSIM_EXPR_FALSE;
}
break;
case ACT_PRS_EXPR_LABEL:
{
hash_bucket_t *b = hash_lookup (at_table, e->u.l.label);
if (!b) {
fatal_error ("Unknown label `%s'", e->u.l.label);
}
act_prs_lang_t *pl = (act_prs_lang_t *) b->v;
if (pl->u.one.dir == 0) {
if (type != 2) {
x = _convert_prs (sc, pl->u.one.e, (type == 0 ? 1 : 0));
}
else {
/* is this right?! */
x = _convert_prs (sc, pl->u.one.e, 0);
}
}
else {
x = _convert_prs (sc, pl->u.one.e, type);
}
}
break;
default:
fatal_error ("Huh?");
x = NULL;
break;
}
return x;
}
static void _merge_prs (ActSimCore *sc, struct prssim_expr **pe,
act_prs_expr_t *e, int type)
{
prssim_expr *ex = _convert_prs (sc, e, type);
if (!*pe) {
*pe = ex;
}
else {
prssim_expr *x;
NEW (x, prssim_expr);
x->type = PRSSIM_EXPR_OR;
x->l = *pe;
x->r = ex;
*pe = x;
}
return;
}
void PrsSimGraph::_add_one_rule (ActSimCore *sc, act_prs_lang_t *p, sdf_cell *ci)
{
struct prssim_stmt *s;
int rhs;
act_connection *rhsc;
at_table = _labels;
if (p->u.one.label) {
hash_bucket_t *b = hash_add (at_table, (char *)p->u.one.id);
b->v = p;
return;
}
rhs = sc->getLocalOffset (p->u.one.id, sc->cursi(), NULL);
rhsc = p->u.one.id->Canonical (sc->cursi()->bnl->cur);
for (s = _rules; s; s = s->next) {
if (s->type == PRSSIM_RULE) {
if (s->vid == rhs) {
break;
}
}
}
if (!s) {
NEW (s, struct prssim_stmt);
s->next = NULL;
s->type = PRSSIM_RULE;
s->vid = rhs;
s->c = rhsc;
s->unstab = 0;
if (ci) {
s->setDelayTables ();
ci->used = 1;
}
else {
s->setDelayDefault ();
}
s->up[0] = NULL;
s->up[1] = NULL;
s->dn[0] = NULL;
s->dn[1] = NULL;
q_ins (_rules, _tail, s);
}
int weak, delay;
if (_attr_check ("weak", p->u.one.attr) == 1) {
weak = PRSSIM_WEAK;
}
else {
weak = PRSSIM_NORM;
}
if (_attr_check ("unstab", p->u.one.attr) == 1) {
s->unstab = 1;
}
delay = _attr_check ("after", p->u.one.attr);
/*-- now handle the rule --*/
current_stmt = s;
current_ci = ci;
switch (p->u.one.arrow_type) {
case 0:
/* normal arrow */
if (p->u.one.dir) {
_merge_prs (sc, &s->up[weak], p->u.one.e, 0);
if (delay >= 0 && s->simpleDelay()) {
s->setUpDelay (delay);
}
}
else {
_merge_prs (sc, &s->dn[weak], p->u.one.e, 0);
if (delay >= 0 && s->simpleDelay()) {
s->setDnDelay (delay);
}
}
break;
case 1:
/* combinational */
if (p->u.one.dir) {
_merge_prs (sc, &s->up[weak], p->u.one.e, 0);
_merge_prs (sc, &s->dn[weak], p->u.one.e, 1);
}
else {
_merge_prs (sc, &s->dn[weak], p->u.one.e, 0);
_merge_prs (sc, &s->up[weak], p->u.one.e, 1);
}
if (delay >= 0 && s->simpleDelay()) {
s->setUpDelay (delay);
s->setDnDelay (delay);
}
break;
case 2:
/* state-holding */
if (p->u.one.dir) {
_merge_prs (sc, &s->up[weak], p->u.one.e, 0);
_merge_prs (sc, &s->dn[weak], p->u.one.e, 2);
}
else {
_merge_prs (sc, &s->dn[weak], p->u.one.e, 0);
_merge_prs (sc, &s->up[weak], p->u.one.e, 2);
}
if (delay >= 0 && s->simpleDelay()) {
s->setUpDelay (delay);
s->setDnDelay (delay);
}
break;
default:
fatal_error ("Unknown arrow type (%d)", p->u.one.arrow_type);
break;
}
at_table = NULL;
}
void PrsSimGraph::_add_one_gate (ActSimCore *sc, act_prs_lang_t *p)
{
struct prssim_stmt *s;
NEW (s, struct prssim_stmt);
s->next = NULL;
s->setDelayDefault ();
if (p->u.p.g) {
if (p->u.p._g) {
s->type = PRSSIM_TGATE;
}
else {
s->type = PRSSIM_PASSN;
}
}
else {
s->type = PRSSIM_PASSP;
}
if (p->u.p.g) {
s->g = sc->getLocalOffset (p->u.p.g, sc->cursi(), NULL);
}
if (p->u.p._g) {
s->_g = sc->getLocalOffset (p->u.p._g, sc->cursi(), NULL);
}
s->t1 = sc->getLocalOffset (p->u.p.s, sc->cursi(), NULL);
s->t2 = sc->getLocalOffset (p->u.p.d, sc->cursi(), NULL);
q_ins (_rules, _tail, s);
}
void PrsSimGraph::addPrs (ActSimCore *sc, act_prs_lang_t *p, sdf_cell *ci)
{
double conv, sdf_units;
conv = sc->getTimescale ();
sdf_units = sc->sdfTimeMetricUnits();
if (sdf_units >= 0) {
// sdf exists, has units!
// time = X in SDF => X * sdf_units => (X * sdf_units) / conv units
conv = sdf_units/conv;
}
else {
conv = -1;
}
/* set conversion from sdf units to actsim integer units. */
sdf_ts_conv = conv;
while (p) {
switch (ACT_PRS_LANG_TYPE (p->type)) {
case ACT_PRS_RULE:
_add_one_rule (sc, p, ci);
break;
case ACT_PRS_GATE:
_add_one_gate (sc, p);
break;
case ACT_PRS_DEVICE:
/* devs not simulated */
break;
case ACT_PRS_TREE:
case ACT_PRS_SUBCKT:
addPrs (sc, p->u.l.p, ci);
break;
default:
fatal_error ("Unknown prs type (%d)", p->type);
break;
}
p = p->next;
}
}
PrsSimGraph::PrsSimGraph ()
{
_rules = NULL;
_tail = NULL;
_labels = hash_new (4);
}
static void _free_prssim_expr (prssim_expr *e)
{
if (!e) return;
switch (e->type) {
case PRSSIM_EXPR_AND:
case PRSSIM_EXPR_OR:
_free_prssim_expr (e->r);
case PRSSIM_EXPR_NOT:
_free_prssim_expr (e->l);
break;
case PRSSIM_EXPR_VAR:
case PRSSIM_EXPR_TRUE:
case PRSSIM_EXPR_FALSE:
break;
default:
fatal_error ("free_prssim_expr (%d) unknown\n", e->type);
break;
}
FREE (e);
}
PrsSimGraph::~PrsSimGraph()
{
hash_free (_labels);
while (_rules) {
switch (_rules->type) {
case PRSSIM_RULE:
_free_prssim_expr (_rules->up[0]);
_free_prssim_expr (_rules->up[1]);
_free_prssim_expr (_rules->dn[0]);
_free_prssim_expr (_rules->dn[1]);
if (!_rules->std_delay) {
_rules->delay.delete_tables();
}
break;
case PRSSIM_PASSP:
case PRSSIM_PASSN:
case PRSSIM_TGATE:
break;
}
_tail = _rules->next;
FREE (_rules);
_rules = _tail;
}
}
PrsSimGraph *PrsSimGraph::buildPrsSimGraph (ActSimCore *sc, act_prs *p,
sdf_cell *ci)
{
PrsSimGraph *pg;
pg = new PrsSimGraph ();
while (p) {
pg->addPrs (sc, p->p, ci);
p = p->next;
}
return pg;
}
/* 2 = X */
static const int _not_table[3] = { 1, 0, 2 };
static const int _and_table[3][3] = { { 0, 0, 0 },
{ 0, 1, 2 },
{ 0, 2, 2 } };
static const int _or_table[3][3] = { { 0, 1, 2 },
{ 1, 1, 1 },
{ 2, 1, 2 } };
#define PENDING_NONE 0
#define PENDING_0 (1+0)
#define PENDING_1 (1+1)
#define PENDING_X (1+2)
int OnePrsSim::eval (prssim_expr *x, int cause, int *lid)
{
int a, b;
if (!x) { return 0; }
switch (x->type) {
case PRSSIM_EXPR_AND:
a = eval (x->l, cause, lid);
b = eval (x->r, cause, lid);
return _and_table[a][b];
break;
case PRSSIM_EXPR_OR:
a = eval (x->l, cause, lid);
b = eval (x->r, cause, lid);
return _or_table[a][b];
break;
case PRSSIM_EXPR_NOT:
a = eval (x->l, cause, lid);
return _not_table[a];
break;
case PRSSIM_EXPR_VAR:
{
int gid;
int ret = _proc->getBool (x->vid, &gid);
if (gid == cause) {
*lid = x->vid;
}
return ret;
}
break;
case PRSSIM_EXPR_TRUE:
return 1;
break;
case PRSSIM_EXPR_FALSE:
return 0;
break;
default:
fatal_error("What?");
break;
}
return 0;
}
static int _breakpt;
/*
* Delay lookup:
* - if this has an instance-specific delay, use it!
* - otherwise get the delay from the instance-agnostic table.
*
* ob = object corresponding to firing
* of = object that redcords flags
* These two are the same except for multi-drivers; in
* multi-drivers, the 0th object is used for flag information.
*
* nid = node id
* lidc, gird = local / global cause id
*
* x = value to be set (0 or 1)
*
*/
#define DO_SET_VAL(ob,of,nid,lidc,gidc,x) \
do { \
if ((ob)->_proc->getBool ((ob)->nid) != (x)) { \
if ((of)->flags != (1 + (x))) { \
int ed; \
if (gidc != -1) { \
/* cause */ \
gate_delay_info *gi = (ob)->_proc->getInstDelay (ob); \
if (gi) { \
ed =((x) == 0 ? gi->dn.lookup (lidc, false) : gi->up.lookup (lidc, false)); \
} \
else { \
ed = ((x) == 0 ? (ob)->_me->delayDn (lidc) : (ob)->_me->delayUp (lidc)); \
} \
} \
else { \
ed = ((x) == 0 ? (ob)->_me->delayDn (0) : (ob)->_me->delayUp (0)); \
} \
ed = (ob)->_proc->getDelay (ed); \
(of)->flags = (1 + (x)); \
(of)->_pending = new Event (this, SIM_EV_MKTYPE ((x), 0), ed); \
} \
} \
} while (0)
int OnePrsSim::Step (Event *ev)
{
void *cause = ev->getCause ();
int causeid;
int lid = -1;
int ev_type = ev->getType ();
int t = SIM_EV_TYPE (ev_type);
if (cause) {
ActSimDES *xx = (ActSimDES *) cause;
causeid = xx->causeGlobalIdx();
}