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exec.cpp
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//
// Created by Dan Evans on 1/29/24.
//
#include <iomanip>
#include <cmath>
#include <cerrno>
#include <cstring>
#include "cs_global.h"
#include "cs_compile.h"
#include "cs_interpret.h"
#include "cs_exec.h"
#include "ProcessDescriptor.h"
namespace Cstar
{
#define MAXINT 32767
//enum PS {RUN, BREAK, FIN, DEAD, STKCHK};
struct ACTIVEPROCESS;
typedef struct PROCESSDESCRIPTOR PRD;
typedef struct PROCESSDESCRIPTOR *PROCPNT;
typedef struct ACTIVEPROCESS *ACTPNT;
// typedef struct ACTIVEPROCESS {
// PROCPNT PDES;
// ACTPNT NEXT;
// } ACTIVEPROCESS;
struct CommdelayLocal
{
int T1, T2, T3, T4, I, DIST, NUMPACK, PATHLEN;
// int PATH[PMAX + 1];
int *PATH;
double PASTINTERVAL, NOWINTERVAL, FINALINTERVAL;
InterpLocal *il;
};
struct StackPrefix
{
int word0;
int word1;
int word2;
int word3;
int word4;
int word5;
int word6;
int word7;
};
extern ALFA PROGNAME;
extern const char *opcodes[115];
extern void snapPDES(InterpLocal *, PROCPNT);
extern void dumpPDES(PROCPNT);
extern void dumpInst(int);
extern void dumpLInst(int, int *);
extern void dumpDeadlock(InterpLocal *il);
extern const char *nameState(enum PROCESSDESCRIPTOR::STATE);
extern const char *nameRdstatus(enum PROCESSDESCRIPTOR::READSTATUS);
extern const char *prcsrStatus(enum PROCTAB::STATUS st);
extern const char *lookupSym(int, int);
extern void showInstTrace(bool);
extern int GETLNUM(int);
extern int BTOI(bool);
extern int ITOB(int);
extern int FIND(InterpLocal *il);
extern void RELEASE(InterpLocal *il, int BASE, int LENGTH);
extern void unreleased(InterpLocal *);
extern int FINDFRAME(InterpLocal *il, int LENGTH);
extern void EXECLIB(InterpLocal *il, ExLocal *, PROCPNT CURPR, int ID);
enum DEBUG {DBGRECV = 1, DBGSEND = 2, DBGRELEASE = 4, DBGPROC = 8, DBGTIME = 16, DBGSQTME = 32,
DBGINST = 64};
static int debug = 0;
const int SWITCHTIME = 5;
const int CREATETIME = 5;
void showInstTrace(bool flg)
{
if (flg)
debug |= DBGINST;
else
debug &= ~DBGINST;
}
void CHKVAR(InterpLocal *il, int STKLOC) {
// check if the variable at the passed stack location is being traced
int I, J;
for (I = 1; I <= VARMAX; I++) {
if (STKLOC == il->TRCTAB[I].MEMLOC) {
std::cout << "Reference to Trace Variable " << il->TRCTAB[I].NAME << std::endl;
//CURPR* curpr = new CURPR;
il->BLINE = GETLNUM(il->CURPR->PC - 1);
fprintf(STDOUT, "Line Number%5d In Function ", il->BLINE);
J = il->CURPR->B;
il->INX = il->S[il->CURPR->B + 4];
while (TAB[il->INX].NAME[0] == '*') {
J = il->S[J + 3];
il->INX = il->S[J + 4];
}
if (J == 0) {
std::cout << PROGNAME << std::endl;
}
else {
std::cout << TAB[il->INX].NAME << std::endl;
}
// std::cout << "Process Number" << il->CURPR->PID << std::endl;
// std::cout << std::endl;
fprintf(STDOUT, "Process Number%4d\n\n", il->CURPR->PID);
il->STEPROC = il->CURPR;
il->PS = InterpLocal::PS::BREAK;
}
}
}
void MOVE(CommdelayLocal *cl, int lSRC, int DES, int STEP) {
int DIREC, I;
if (lSRC < DES) {
DIREC = 1;
}
else {
DIREC = -1;
}
for (I = 1; I <= abs(lSRC - DES); I++) {
cl->PATHLEN = cl->PATHLEN + 1;
cl->PATH[cl->PATHLEN] = cl->PATH[cl->PATHLEN - 1] + DIREC * STEP;
}
}
void RMOVE(CommdelayLocal *cl, int lSRC, int DES, int STEP) {
int DIREC, I, DIST;
DIST = abs(lSRC - DES);
if (lSRC < DES) {
DIREC = 1;
}
else {
DIREC = -1;
}
if (TOPDIM < 2 * DIST) {
DIREC = -DIREC;
DIST = TOPDIM - DIST;
}
for (I = 1; I <= DIST; I++) {
cl->PATHLEN = cl->PATHLEN + 1;
lSRC = lSRC + DIREC;
if (lSRC == TOPDIM) {
lSRC = 0;
cl->PATH[cl->PATHLEN] = cl->PATH[cl->PATHLEN - 1] - STEP * (TOPDIM - 1);
}
else if (lSRC == -1) {
lSRC = TOPDIM - 1;
cl->PATH[cl->PATHLEN] = cl->PATH[cl->PATHLEN - 1] + STEP * (TOPDIM - 1);
}
else {
cl->PATH[cl->PATHLEN] = cl->PATH[cl->PATHLEN - 1] + DIREC * STEP;
}
}
}
void SCHEDULE(CommdelayLocal *cl, double &ARRIVAL) {
BUSYPNT CURPNT;
BUSYPNT PREV;
BUSYPNT ITEM;
int I, PROCNUM;
bool DONE;
for (I = 1; I <= cl->PATHLEN; I++) {
ARRIVAL = ARRIVAL + 2;
PROCNUM = cl->PATH[I];
CURPNT = cl->il->PROCTAB[PROCNUM].BUSYLIST;
PREV = nullptr;
DONE = false;
do {
if (CURPNT == nullptr) {
DONE = true;
ITEM = (BUSYPNT)std::calloc(1, sizeof(struct BUSYTYPE));
// NEW(ITEM);
ITEM->FIRST = ARRIVAL;
ITEM->LAST = ARRIVAL;
ITEM->NEXT = nullptr;
if (PREV == nullptr) {
cl->il->PROCTAB[PROCNUM].BUSYLIST = ITEM;
}
else {
PREV->NEXT = ITEM;
}
}
else {
if (ARRIVAL < CURPNT->FIRST - 1) {
DONE = true;
// NEW(ITEM);
ITEM = (BUSYPNT)std::calloc(1, sizeof(struct BUSYTYPE));
ITEM->FIRST = ARRIVAL;
ITEM->LAST = ARRIVAL;
ITEM->NEXT = CURPNT;
if (PREV != nullptr) {
PREV->NEXT = ITEM;
}
else {
cl->il->PROCTAB[PROCNUM].BUSYLIST = ITEM;
}
}
else if (ARRIVAL == CURPNT->FIRST - 1) {
DONE = true;
CURPNT->FIRST = CURPNT->FIRST - 1;
}
else if (ARRIVAL <= CURPNT->LAST + 1) {
DONE = true;
CURPNT->LAST = CURPNT->LAST + 1;
ARRIVAL = CURPNT->LAST;
PREV = CURPNT;
CURPNT = CURPNT->NEXT;
if (CURPNT != nullptr) {
if (CURPNT->FIRST == ARRIVAL + 1) {
PREV->LAST = CURPNT->LAST;
PREV->NEXT = CURPNT->NEXT;
//fprintf(STDOUT, "free commdelay1\n");
std::free(CURPNT);
}
}
}
if (!DONE) {
PREV = CURPNT;
CURPNT = CURPNT->NEXT;
if (PREV->LAST < cl->PASTINTERVAL) {
//fprintf(STDOUT, "free commdelay2\n");
std::free(PREV);
cl->il->PROCTAB[PROCNUM].BUSYLIST = CURPNT;
PREV = nullptr;
}
}
}
} while (!DONE);
}
}
int COMMDELAY(InterpLocal *il, int SOURCE, int DEST, int LEN) {
struct CommdelayLocal cl;
int rtn = 0;
memset(&cl, 0, sizeof(cl));
cl.PATH = (int *)calloc(HIGHESTPROCESSOR + 1, sizeof(int));
cl.il = il;
cl.NUMPACK = LEN / 3;
if (LEN % 3 != 0) {
cl.NUMPACK = cl.NUMPACK + 1;
}
if ((!il->CONGESTION) || (TOPOLOGY == SHAREDSY)) {
switch (TOPOLOGY) {
case SHAREDSY:
rtn = 0;
break;
case FULLCONNSY:
// case CLUSTERSY:
cl.DIST = 1;
break;
case HYPERCUBESY:
cl.T1 = SOURCE;
cl.T2 = DEST;
cl.DIST = 0;
while (cl.T1 + cl.T2 > 0) {
if (cl.T1 % 2 != cl.T2 % 2) {
cl.DIST = cl.DIST + 1;
}
cl.T1 = cl.T1 / 2;
cl.T2 = cl.T2 / 2;
}
break;
case LINESY:
cl.DIST = abs(SOURCE - DEST);
break;
case MESH2SY:
cl.T1 = TOPDIM;
cl.T2 = std::abs(SOURCE / cl.T1 - DEST / cl.T1);
cl.T3 = std::abs(SOURCE % cl.T1 - DEST % cl.T1);
cl.DIST = (cl.T2 + cl.T3);
break;
case MESH3SY:
cl.T2 = TOPDIM;
cl.T1 = TOPDIM * cl.T2;
cl.T3 = SOURCE % cl.T1;
cl.T4 = DEST % cl.T1;
cl.DIST = abs(cl.T3 / cl.T2 - cl.T4 / cl.T2) +
abs(cl.T3 % cl.T2 - cl.T4 % cl.T2) +
abs(SOURCE / cl.T1 - DEST / cl.T1);
break;
case RINGSY:
cl.T1 = abs(SOURCE - DEST);
cl.T2 = TOPDIM - cl.T1;
if (cl.T1 < cl.T2) {
cl.DIST = cl.T1;
}
else {
cl.DIST = cl.T2;
}
break;
case TORUSSY:
cl.T1 = TOPDIM;
cl.T3 = abs(SOURCE / cl.T1 - DEST / cl.T1);
if (cl.T3 > cl.T1 / 2) {
cl.T3 = cl.T1 - cl.T3;
}
cl.T4 = abs(SOURCE % cl.T1 - DEST % cl.T1);
if (cl.T4 > cl.T1 / 2) {
cl.T4 = cl.T1 - cl.T4;
}
cl.DIST = (cl.T3 + cl.T4);
break;
default:
break;
}
if (TOPOLOGY != SHAREDSY) {
rtn = (int)std::round((cl.DIST + (cl.NUMPACK - 1) / 2.0) * il->TOPDELAY);
}
}
else {
cl.PATH[0] = SOURCE;
cl.PATHLEN = 0;
switch (TOPOLOGY) {
case FULLCONNSY:
// case CLUSTERSY:
cl.PATH[1] = DEST;
cl.PATHLEN = 1;
break;
case HYPERCUBESY:
cl.T1 = 1;
cl.T2 = SOURCE;
for (cl.I = 1; cl.I <= TOPDIM; cl.I++) {
cl.T3 = DEST / cl.T1 % 2;
cl.T4 = SOURCE / cl.T1 % 2;
if (cl.T3 != cl.T4) {
if (cl.T3 == 1) {
cl.T2 = cl.T2 + cl.T1;
}
else {
cl.T2 = cl.T2 - cl.T1;
}
cl.PATHLEN = cl.PATHLEN + 1;
cl.PATH[cl.PATHLEN] = cl.T2;
}
cl.T1 = cl.T1 * 2;
}
break;
case LINESY:
MOVE(&cl, SOURCE, DEST, 1);
break;
case MESH2SY:
MOVE(&cl, SOURCE % TOPDIM, DEST % TOPDIM, 1);
MOVE(&cl, SOURCE / TOPDIM, DEST / TOPDIM, TOPDIM);
break;
case MESH3SY:
cl.T1 = TOPDIM * TOPDIM;
MOVE(&cl, SOURCE % TOPDIM, DEST % TOPDIM, 1);
MOVE(&cl, SOURCE / TOPDIM % TOPDIM,
DEST / TOPDIM % TOPDIM, TOPDIM);
MOVE(&cl, SOURCE / cl.T1, DEST / cl.T1, TOPDIM * TOPDIM);
break;
case RINGSY:
RMOVE(&cl, SOURCE, DEST, 1);
break;
case TORUSSY:
RMOVE(&cl, SOURCE % TOPDIM, DEST % TOPDIM, 1);
RMOVE(&cl, SOURCE / TOPDIM, DEST / TOPDIM, TOPDIM);
break;
default:
break;
}
if (il->TOPDELAY != 0) {
cl.PASTINTERVAL = (float)((il->CLOCK - 2 * TIMESTEP) / (il->TOPDELAY / 2.0));
cl.NOWINTERVAL = (float)(il->CURPR->TIME / (il->TOPDELAY / 2.0) + 0.5);
for (cl.I = 1; cl.I <= cl.NUMPACK; cl.I++) {
cl.FINALINTERVAL = cl.NOWINTERVAL;
SCHEDULE(&cl, cl.FINALINTERVAL);
}
rtn = (int)std::round((cl.FINALINTERVAL - cl.NOWINTERVAL) * (il->TOPDELAY / 2.0));
}
else {
rtn = 0;
}
}
if ((SOURCE > HIGHESTPROCESSOR) || (DEST > HIGHESTPROCESSOR)) {
il->PS = InterpLocal::PS::CPUCHK;
}
// if (rtn != 0)
// fprintf(STDOUT, "COMMDELAY source %d dest %d len %d returns %d\n", SOURCE, DEST, LEN, rtn);
free(cl.PATH);
return rtn;
}
void TESTVAR(InterpLocal *il, int STKPNT) {
// verify that the processor number corresponding to the passed stack location
// is the current PDES's processor, altproc, or -1, otherwise REMCHK
int PNUM;
PNUM = il->SLOCATION[STKPNT];
if ((PNUM != il->CURPR->PROCESSOR) && (PNUM != il->CURPR->ALTPROC) && (PNUM != -1)) {
il->PS = InterpLocal::PS::REMCHK;
}
}
/*
* if either stack top or top+1 is RTAG'ed and the other is not, move the untagged value
* to the corresponding rstack and RTAG the moved stack element.
*/
bool ISREAL(InterpLocal *il) {
STYPE *sp;
RSTYPE *rp;
int Tl;
sp = il->S;
rp = il->RS;
Tl = il->CURPR->T;
if ((sp[Tl] == RTAG) && (sp[Tl + 1] != RTAG)) {
rp[Tl + 1] = sp[Tl + 1];
sp[Tl + 1] = RTAG;
}
if ((sp[Tl] != RTAG) && (sp[Tl + 1] == RTAG)) {
rp[Tl] = sp[Tl];
sp[Tl] = RTAG;
}
return sp[Tl] == RTAG;
}
void procTime(PROCPNT prc, float incr, const char *id)
{
if (prc->PID == 0)
{
fprintf(STDOUT, "%.1f = %.1f + %.1f %s\n", prc->TIME + incr, prc->TIME, incr, id);
}
}
void TIMEINC(InterpLocal *il, int UNITS, const char *trc) {
float STEP;
PROCTAB *ptab;
PRD *proc;
proc = il->CURPR;
ptab = &il->PROCTAB[proc->PROCESSOR];
STEP = ptab->SPEED * (float)UNITS;
if (debug & DBGTIME)
procTime(proc, STEP, trc);
proc->TIME += STEP;
ptab->VIRTIME += STEP;
ptab->BRKTIME += STEP;
ptab->PROTIME += STEP;
proc->VIRTUALTIME += STEP;
if (proc->SEQON) {
if (debug & DBGSQTME)
fprintf(STDOUT, "%.1f = %.1f + %.1f SEQ\n", il->SEQTIME + STEP, il->SEQTIME, STEP);
il->SEQTIME += STEP;
}
}
void SLICE(InterpLocal *il) {
bool DONE, DEADLOCK;
ACTPNT PREV;
int COUNT;
PROCTAB *ptab;
PRD *proc;
PREV = il->ACPCUR;
il->ACPCUR = il->ACPCUR->NEXT;
DONE = false;
COUNT = 0;
DEADLOCK = true;
do {
COUNT = COUNT + 1;
if (il->ACPCUR == il->ACPHEAD) {
il->CLOCK += TIMESTEP;
}
proc = il->ACPCUR->PDES;
if (proc->STATE == PRD::STATE::DELAYED) {
if (proc->WAKETIME < il->CLOCK) {
proc->STATE = PRD::STATE::READY;
if (proc->WAKETIME > proc->TIME) {
proc->TIME = proc->WAKETIME;
if (debug & DBGTIME)
procTime(proc, 0.0, "SLICE1-WAKE");
}
}
else {
proc->TIME = il->CLOCK;
if (debug & DBGTIME)
procTime(proc, 0.0, "SLICE2-CLOCK");
DEADLOCK = false;
}
}
if (proc->STATE == PRD::STATE::RUNNING) {
DEADLOCK = false;
if (proc->TIME < il->CLOCK) {
DONE = true;
il->CURPR = proc;
}
}
else if (proc->STATE == PRD::STATE::READY) {
DEADLOCK = false; // maybe bug, maybe C++ problem yet to be corrected
ptab = &il->PROCTAB[proc->PROCESSOR];
// if (ptab->RUNPROC != nullptr && ptab->RUNPROC != proc)
// fprintf(STDOUT, "ptab(%d) != proc(%d) virtime %.1f starttime %.1f\n",
// ptab->RUNPROC->PID, proc->PID, ptab->VIRTIME, ptab->STARTTIME);
if (ptab->RUNPROC == nullptr) {
il->CURPR = proc;
DONE = true;
ptab->STARTTIME = ptab->VIRTIME;
proc->STATE = PRD::STATE::RUNNING;
ptab->RUNPROC = il->CURPR;
}
else if ((ptab->VIRTIME >= ptab->STARTTIME + SWITCHLIMIT) &&
(ptab->RUNPROC->PRIORITY <= proc->PRIORITY)) {
il->CURPR = proc;
DONE = true;
ptab->STARTTIME = ptab->VIRTIME;
ptab->RUNPROC->STATE = PRD::STATE::READY;
TIMEINC(il, SWITCHTIME, "slc1");
proc->STATE = PRD::STATE::RUNNING;
ptab->RUNPROC = il->CURPR;
// fprintf(STDOUT, "switch ptab runproc\n");
}
else {
// if (COUNT > PMAX && !DEADLOCK)
// {
// fprintf(STDOUT, "loop in SLICE\n");
// DEADLOCK = true;
// }
proc->TIME = il->CLOCK;
if (debug & DBGTIME)
procTime(proc, 0.0, "SLICE3-CLOCK");
}
}
else if (proc->STATE == PRD::STATE::BLOCKED) {
proc->TIME = il->CLOCK;
if (debug & DBGTIME)
procTime(proc, 0.0, "SLICE4-CLOCK");
}
if (proc->STATE == PRD::STATE::SPINNING) {
if (il->S[il->S[proc->T]] == 0) {
DEADLOCK = false;
if (proc->TIME < il->CLOCK) {
DONE = true;
il->CURPR = proc;
proc->STATE = PRD::STATE::RUNNING;
}
}
else {
proc->TIME = il->CLOCK;
if (debug & DBGTIME)
procTime(proc, 0.0, "SLICE5-CLOCK");
}
}
if (proc->STATE == PRD::STATE::TERMINATED) {
PREV->NEXT = il->ACPCUR->NEXT;
if (il->ACPHEAD == il->ACPCUR) {
il->ACPHEAD = il->ACPCUR->NEXT;
}
if (il->ACPTAIL == il->ACPCUR) {
il->ACPTAIL = PREV;
}
// if (debug & DBGPROC)
// {
// fprintf(STDOUT, "slice terminated/freed process %d\n", proc->PID);
// snapPDES(il, proc);
// }
std::free(proc);
std::free(il->ACPCUR);
il->ACPCUR = PREV->NEXT;
}
else if (!DONE) {
PREV = il->ACPCUR;
il->ACPCUR = il->ACPCUR->NEXT;
}
} while (!DONE && !((COUNT > HIGHESTPROCESSOR) && DEADLOCK));
//if (il->CURPR->PID == 0)
// fprintf(STDOUT, "dispatch %d time %.1f seqtime %.1f\n", il->CURPR->PID, il->CURPR->TIME, il->SEQTIME);
if (DEADLOCK) {
std::cout << " DEADLOCK: All Processes are Blocked" << std::endl;
std::cout << "For Further Information Type STATUS Command" << std::endl;
fprintf(STDOUT, "CLOCK %.1f PS %d, DONE %d, COUNT %d, DEADLOCK %d\n", il->CLOCK, il->PS, DONE, COUNT, DEADLOCK);
il->PS = InterpLocal::PS::DEAD;
dumpDeadlock(il);
}
}
static int findProcessor(PROCTAB *proctab, int &used)
{
// after case 79: find processor instruction
int I, J, H1, H2, rtn;
bool B1;
PROCTAB *prtb;
I = -1;
J = -1;
B1 = false;
H1 = MAXINT;
H2 = -1;
do
{
I += 1;
prtb = &proctab[I];
// with PROCTAB[I]
switch (prtb->STATUS)
{
case PROCTAB::STATUS::EMPTY:
B1 = true;
break;
case PROCTAB::STATUS::NEVERUSED:
if (J == -1)
J = I;
break;
case PROCTAB::STATUS::FULL:
if (prtb->NUMPROC < H1)
{
H2 = I;
H1 = prtb->NUMPROC;
}
break;
case PROCTAB::STATUS::RESERVED:
if (prtb->NUMPROC + 1 < H1) // +1 fixed dde
{
H2 = I;
H1 = prtb->NUMPROC + 1;
}
break;
}
} while (!B1 && I != HIGHESTPROCESSOR);
if (B1)
{
rtn = I;
}
else if (J > -1)
{
rtn = J;
used += 1;
}
else
rtn = H2;
proctab[rtn].STATUS = PROCTAB::STATUS::RESERVED;
return rtn;
}
static int allocCallFrame(InterpLocal *il, PRD *proc, int funcLoc)
{
// allocates a function call stack frame
// leaves current processor stack top set to last word of 8 word prefix
// returns stack location of acquired call frame
// 0 return is no allocation for internal function, negative return is FINDFRAME failure
int H1, H2 = 0, I;
TABREC *tbp = &TAB[funcLoc];
if (tbp->ADR == 0)
{
il->PS = InterpLocal::PS::FUNCCHK;
}
else if (tbp->ADR > 0)
{
H1 = BTAB[tbp->REF].VSIZE + WORKSIZE;
H2 = FINDFRAME(il, H1);
if (H2 >= 0)
{
il->S[H2 + 7] = proc->T; // requestor stack top restored on return from call
proc->T = H2 - 1; // one stack word below new frame
proc->STACKSIZE = H1 + H2 - 1; // last word location in new frame
proc->T += BASESIZE; // last word location in standard prefix
il->S[proc->T - 4] = H1 - 1; // frame size minus one
il->S[proc->T - 3] = funcLoc; // TAB location of function to be called
for (I = H2; I < H2 + BASESIZE; I += 1) {
il->STARTMEM[I] = -il->STARTMEM[I];
}
}
}
return H2;
}
void EXECUTE(InterpLocal *il)
{
// ProcessState PS;
// PROCPNT CURPR;
// int LC;
// double USAGE;
// char CH;
// int T;
// std::vector<int> STACK(STACKSIZE);
PROCPNT CURPR = il->CURPR;
PROCPNT proc;
PROCTAB *prtb;
struct InterpLocal::Channel *chan;
// --- debugging ---
// int lct = 0;
// int mon = -1, val = 82;
// int braddr = 0;
// bool watch = false, breakat = false;
// ---------
ExLocal el = {0, 0, 0, 0, 0, 0, 0, 0,
0.0, {0, 0, 0}, false, nullptr,
0.0, {0}};
//memset(&el, 0, sizeof(ExLocal));
//el.il = il;
el.log10 = log(10);
// dumpPDES(CURPR);
do {
if (il->PS != InterpLocal::PS::BREAK) {
if ((!il->NOSWITCH && CURPR->TIME >= il->CLOCK) ||
CURPR->STATE != PRD::STATE::RUNNING) {
// fprintf(STDOUT, "state %s noswitch %d time %.1f clock %.1f",
// nameState(CURPR->STATE), il->NOSWITCH, CURPR->TIME, il->CLOCK);
SLICE(il);
CURPR = il->CURPR;
// fprintf(STDOUT, " new process %d processor %d\n", CURPR->PID, CURPR->PROCESSOR);
}
}
if (il->PS == InterpLocal::PS::FIN || il->PS == InterpLocal::PS::DEAD) {
//goto label_999;
continue;
}
if (CURPR->PC > CMAX)
fprintf(STDOUT, "PC out of range %d\n", CURPR->PC);
el.IR = CODE[CURPR->PC];
CURPR->PC++;
TIMEINC(il, 1, "exe1");
if (il->NUMBRK > 0 && il->MAXSTEPS < 0 && !il->RESTART) {
for (int i = 1; i <= BRKMAX; i++) {
if (il->BRKTAB[i] == CURPR->PC - 1) {
il->PS = InterpLocal::PS::BREAK;
}
}
}
il->RESTART = false;
if (il->MAXSTEPS > 0 && CURPR == il->STEPROC) {
LC = CURPR->PC - 1;
if (LC < il->STARTLOC || LC > il->ENDLOC) {
il->MAXSTEPS--;
il->STARTLOC = LC;
il->ENDLOC = LOCATION[GETLNUM(LC) + 1] - 1;
if (il->MAXSTEPS == 0) {
il->PS = InterpLocal::PS::BREAK;
}
}
}
if (il->PROFILEON) {
if (il->CLOCK >= il->PROTIME) {
if (il->PROLINECNT == 0) {
std::cout << "TIME: " << std::round(il->PROTIME - il->PROSTEP) << std::endl;
if (il->FIRSTPROC < 10) {
std::cout << il->FIRSTPROC;
} else {
std::cout << " ";
}
for (int i = 1; i <= (4 - (il->FIRSTPROC % 5)); i++) {
if (il->FIRSTPROC + i < 10 && il->FIRSTPROC + i <= il->LASTPROC) {
std::cout << std::setw(2) << il->FIRSTPROC + i;
} else {
std::cout << " ";
}
}
for (int i = il->FIRSTPROC + 1; i <= il->LASTPROC; i++) {
if (i % 5 == 0) {
if (i < 10) {
std::cout << std::setw(2) << i << " ";
} else {
std::cout << i << " ";
}
}
}
std::cout << std::endl;
}
for (int i = il->FIRSTPROC; i <= il->LASTPROC; i++) {
il->USAGE = (float)(il->PROCTAB[i].PROTIME / il->PROSTEP);
if (il->PROCTAB[i].STATUS == PROCTAB::STATUS::NEVERUSED) {
CH = ' ';
} else if (il->USAGE < 0.25) {
CH = '.';
} else if (il->USAGE < 0.5) {
CH = '-';
} else if (il->USAGE < 0.75) {
CH = '+';
} else {
CH = '*';
}
std::cout << CH << " ";
il->PROCTAB[i].PROTIME = 0;
}
std::cout << std::endl;
il->PROLINECNT = (il->PROLINECNT + 1) % 20;
il->PROTIME += il->PROSTEP;
}
}
if (il->ALARMON && il->ALARMENABLED) {
if (il->CLOCK >= il->ALARMTIME) {
std::cout << std::endl;
std::cout << "Alarm Went Off at Time " << std::round(il->ALARMTIME) << std::endl;
if (il->CLOCK > il->ALARMTIME + 2 * TIMESTEP) {
std::cout << "Current Time is " << std::round(il->CLOCK) << std::endl;
}
il->PS = InterpLocal::PS::BREAK;
il->ALARMENABLED = false;
}
}
if (il->PS == InterpLocal::PS::BREAK) {
CURPR->PC--;
TIMEINC(il, -1, "exe2");
il->BLINE = GETLNUM(CURPR->PC);
// std::cout << std::endl;
// std::cout << "Break At " << il->BLINE << std::endl;
fprintf(STDOUT, "\nBreak At %d", il->BLINE);
el.H1 = CURPR->B;
il->INX = il->S[CURPR->B + 4];
while (TAB[il->INX].NAME[0] == '*') {
el.H1 = il->S[el.H1 + 3];
il->INX = il->S[el.H1 + 4];
}
if (el.H1 == 0) {
std::cout << " In Function " << PROGNAME << std::endl;
} else {
std::cout << " In Function " << TAB[il->INX].NAME << std::endl;
}
std::cout << "Process Number " << CURPR->PID << std::endl;
il->STEPROC = CURPR;
if (il->MAXSTEPS == 0) {
double R1 = CURPR->TIME - il->STEPTIME;
if (R1 > 0) {
el.H2 = (int)std::round((CURPR->VIRTUALTIME - il->VIRSTEPTIME) / R1 * 100.0);
} else {
el.H2 = 0;
}
if (el.H2 > 100) {
el.H2 = 100;
}
std::cout << "Step Time is " << std::round(R1) << ". Process running " << el.H2 << " percent." << std::endl;
}
std::cout << std::endl;
}
else
{
// if (debug & DBGINST)
// {
// if (CURPR->PROCESSOR == 0 && CURPR->PC < 81 && CURPR->PC > 18)
// {
// fprintf(STDOUT, "proc %3d stk %5d [%5d] ", CURPR->PROCESSOR, CURPR->T, il->S[CURPR->T]);
// dumpInst(CURPR->PC - 1);
// }
// }
switch (el.IR.F) {
case 0: // push DISPLAY[op1]+op2 (stack frame location of variable op2)
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
il->S[CURPR->T] = CURPR->DISPLAY[el.IR.X] + el.IR.Y;
}
break;
case 1: {
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
el.H1 = CURPR->DISPLAY[el.IR.X] + el.IR.Y;
if (TOPOLOGY != SHAREDSY) {
TESTVAR(il, el.H1);
}
if (il->NUMTRACE > 0) {
CHKVAR(il, el.H1);
}
il->S[CURPR->T] = il->S[el.H1];
if (il->S[CURPR->T] == RTAG) {
il->RS[CURPR->T] = il->RS[el.H1];
}
}
break;
}
case 2: {
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
el.H1 = il->S[CURPR->DISPLAY[el.IR.X] + el.IR.Y];
if (TOPOLOGY != SHAREDSY) {
TESTVAR(il, el.H1);
}
if (il->NUMTRACE > 0) {
CHKVAR(il, el.H1);
}
il->S[CURPR->T] = il->S[el.H1];
if (il->S[CURPR->T] == RTAG) {
il->RS[CURPR->T] = il->RS[el.H1];
}
}
break;
}
case 3: {
el.H1 = el.IR.Y;
el.H2 = el.IR.X;
el.H3 = CURPR->B;
do {
CURPR->DISPLAY[el.H1] = el.H3;
el.H1--;
el.H3 = il->S[el.H3 + 2];
} while (el.H1 != el.H2);
break;
}
case 4: {
CURPR->NUMCHILDREN = 0;
CURPR->SEQON = false;
break;
}
case 5: {
if (CURPR->NUMCHILDREN > 0) {
CURPR->STATE = PRD::STATE::BLOCKED;
il->PROCTAB[CURPR->PROCESSOR].RUNPROC = nullptr;
}
CURPR->SEQON = true;
break;
}
case 6: { // noop
break;
}
case 7: {
CURPR->PC = el.IR.Y;
CURPR->SEQON = true;
break;
}
case 8: {
switch (el.IR.Y) {
case 5: // (char)int
break;
case 10: { // cast (int)float
il->R1 = il->RS[CURPR->T];
if (il->R1 >= 0 || il->R1 == (int)(il->R1)) {
il->S[CURPR->T] = (int)(il->R1);
} else {
il->S[CURPR->T] = (int)(il->R1) - 1; // ?? should go toward 0
}
if (abs(il->S[CURPR->T]) > NMAX) {
il->PS = InterpLocal::PS::INTCHK;
}
break;
}
case 19: { // self
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
il->S[CURPR->T] = CURPR->PROCESSOR;
}
break;
}
case 20: { // time
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
il->S[CURPR->T] = RTAG;
il->RS[CURPR->T] = CURPR->TIME;
}
break;
}
case 21: { // sequential time
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
il->S[CURPR->T] = RTAG;
il->RS[CURPR->T] = il->SEQTIME;
}
break;
}
case 22: { // myid
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
il->S[CURPR->T] = CURPR->PID;
}
break;
}
case 23: { // constant 10
CURPR->T++;
if (CURPR->T > CURPR->STACKSIZE) {
il->PS = InterpLocal::PS::STKCHK;
} else {
il->S[CURPR->T] = 10;
}
break;
default:
fprintf(STDOUT, "Missing instruction %d subcode %d\n", el.IR.F, el.IR.Y);
break;
}
}
break;
}
case 9: {
if (CURPR->PID == 0) {
for (el.I = 1; el.I <= HIGHESTPROCESSOR; el.I++) {
proc = (PRD *)calloc(1, sizeof(PROCESSDESCRIPTOR));
proc->PC = 0;
proc->PID = il->NEXTID++;
if (il->NEXTID > PIDMAX) {
il->PS = InterpLocal::PS::PROCCHK;
}
proc->VIRTUALTIME = 0;
memcpy(proc->DISPLAY, CURPR->DISPLAY, sizeof(CURPR->DISPLAY));
/*
il->PTEMP = (ACTPNT)calloc(1, sizeof(ACTIVEPROCESS));
il->PTEMP->PDES = proc;
il->PTEMP->NEXT = il->ACPTAIL->NEXT;
il->ACPTAIL->NEXT = il->PTEMP;
il->ACPTAIL = il->PTEMP;
*/
il->enqActiveProc(new ACTIVEPROCESS(proc));
el.H1 = FINDFRAME(il, il->STKMAIN);
// if (debug & DBGPROC)
// {
// fprintf(STDOUT, "opc %d findframe %d length %d, response %d\n", el.IR.F, CURPR->PID, il->STKMAIN, el.H1);
// }
if (el.H1 > 0) {
proc->T = el.H1 + BTAB[2].VSIZE - 1;