int main(int argc, char**argv, char**envp)
{
FILE* opfile;
char * asmtxt;
char * binf;
int asmlen;
int rqrun;
int endian;
int avcycl;
int ssvr;
int cux;
long nsec_err;
long long tcc;
uintptr_t gccq = 0;
uintptr_t glccq = 0;
uintptr_t ccr = 0;
uintptr_t lucycles = 0;
uintptr_t lucpus = 0;
int paddlimit = 0;
int dbg;
struct timeval ltv;
fd_set fds;
char cc;
dbg = 0;
rqrun = 0;
avcycl = 0;
endian = 0;
ssvr = 0;
haltnow= 0;
binf = NULL;
memset(mem, 0, sizeof(short)*0x10000);
memset(allcpus, 0, sizeof(allcpus));
int i,k, j , rr;
if( argc > 1 ) {
for(i = 1; i < argc; i++) {
switch(argv[i][0]) {
case '-':
for(k = 1; k > 0 && argv[i][k] > 31; k++) {
switch(argv[i][k]) {
case 'T':
rqrun = 2;
break;
case 'r':
rqrun = 1;
break;
case 'c':
k = -1; // end search
if(i+1 < argc) {
opfile = fopen(argv[i+1], "r");
if(!opfile) {
perror("Open File");
} else {
fprintf(stderr, "Loading file\n");
loadtxtfile(opfile, &asmtxt, &asmlen);
fclose(opfile);
DCPUASM_asm(asmtxt, asmlen, mem[0]);
i++;
}
}
break;
case 'e':
endian = 2;
break;
case 's':
ssvr = 1;
break;
case 'D':
dbg = 1;
break;
case 'B':
k = -1;
if(i+1<argc) {
binf = argv[++i];
}
break;
}
}
break;
default:
fprintf(stderr, "\"%s\" Ignored\n", argv[i]);
break;
}
}
} else {
fprintf(stderr, gsc_usage, argv[0]);
return 0;
}
struct sigaction hnler;
hnler.sa_handler = sysfaulthdl;
hnler.sa_flags = 0;
if(rqrun == 1) { // normal operation /////////////////////////
for(cux = 0; cux < CPUSMAX; cux++) {
allcpus[cux].archtype = ARCH_DCPU;
allcpus[cux].memsize = 0x10000;
allcpus[cux].cpustate = &cpl[cux];
allcpus[cux].memptr = mem[cux];
allcpus[cux].runrate = 10000; // Nano seconds per cycle (100kHz)
//allcpus[cux].RunCycles = DCPU_run; // TODO: not used yet
allcpus[cux].cyclequeue = 0; // Should always be reset
DCPU_init(allcpus[cux].cpustate, allcpus[cux].memptr);
HWM_InitLoadout(allcpus[cux].cpustate, 3);
HWM_DeviceAdd(allcpus[cux].cpustate, 2);
HWM_DeviceAdd(allcpus[cux].cpustate, 0);
HWM_DeviceAdd(allcpus[cux].cpustate, 1);
HWM_InitAll(allcpus[cux].cpustate);
DCPU_sethwqcallback(allcpus[cux].cpustate, HWM_Query);
DCPU_sethwicallback(allcpus[cux].cpustate, HWM_HWI);
if(binf) {
loadbinfile(binf, endian, (char*)allcpus[cux].memptr);
}
}
if(ssvr) {
makewaitserver();
sleep(3);
}
sigaction(SIGINT, &hnler, NULL);
for(cux = 0; cux < numberofcpus; cux++) {
fetchtime(&allcpus[cux].lrun);
}
fetchtime(<UTime);
lucycles = 0; // how many cycles ran (debugging)
cux = 0; // CPU index - currently never changes
while(!haltnow) {
if(((DCPU*)allcpus[cux].cpustate)->MODE != BURNING) {
struct timespec *LRun = &allcpus[cux].lrun;
LUTime.tv_sec = LRun->tv_sec;
LUTime.tv_nsec = LRun->tv_nsec;
fetchtime(LRun);
DeltaTime.tv_sec = LRun->tv_sec - LUTime.tv_sec;
DeltaTime.tv_nsec = LRun->tv_nsec - LUTime.tv_nsec;
DeltaTime.tv_nsec += ccr;
if(DeltaTime.tv_sec) {
DeltaTime.tv_nsec += 1000000000;
}
nsec_err = 0;
intptr_t ccq = 0;
if(allcpus[cux].runrate > 0) {
ccq = (DeltaTime.tv_nsec / allcpus[cux].runrate);
ccr = (DeltaTime.tv_nsec % allcpus[cux].runrate);
ccq += allcpus[cux].cyclequeue;
} else {
ccq = 0;
}
if(dbg) {
if(lucycles) {
DCPU_run(allcpus[cux].cpustate,allcpus[cux].memptr);
((DCPU*)allcpus[cux].cpustate)->cycl = 0;
lucycles = 0;
showdiag_dcpu((DCPU*)allcpus[cux].cpustate, 1);
}
} else {
if(ccq) {
for(j = 1000000000 / allcpus[cux].runrate; ccq && j; j--) { // limit calls
//TODO dynamic / multiple CPUs: call the right one.
// with memory and state.
DCPU_run(allcpus[cux].cpustate,allcpus[cux].memptr);
//TODO some hardware may need to work at the same time
lucycles += ((DCPU*)allcpus[cux].cpustate)->cycl;
ccq -= ((DCPU*)allcpus[cux].cpustate)->cycl; // each op uses cycles, can be negative
((DCPU*)allcpus[cux].cpustate)->cycl = 0;
}
}
allcpus[cux].cyclequeue = ccq; // save when done
gccq += ccq;
}
// If the queue has cycles left over then the server may be overloaded
// some CPUs should be slowed or moved to a different server/thread
HWM_TickAll(allcpus[cux].cpustate, fdserver,0);
}
double clkdelta;
float clkrate;
fetchtime(&TUTime);
if(!dbg && TUTime.tv_sec > LTUTime.tv_sec) { // roughly one second between status output
showdiag_dcpu((DCPU*)allcpus[0].cpustate, 0);
clkdelta = ((double)(TUTime.tv_sec - LTUTime.tv_sec)) + (((double)TUTime.tv_nsec) * 0.000000001);
clkdelta-=(((double)LTUTime.tv_nsec) * 0.000000001);
if(!lucpus) lucpus = 1;
clkrate = ((((double)lucycles) / clkdelta) * 0.001) / numberofcpus;
fprintf(stderr, "DC: %.4f sec, %d at %.3f kHz (%d)\r", clkdelta, numberofcpus, clkrate, gccq);
showdiag_up(4);
fetchtime(<UTime);
lucycles = 0;
lucpus = 0;
}
ltv.tv_sec = 0;
ltv.tv_usec = 0;
FD_ZERO(&fds);
FD_SET(0, &fds); // stdin
i = select(1, &fds, NULL, NULL, <v);
if(i > 0) {
i = read(0, &cc, 1);
if(i > 0) {
switch(cc) {
case 10:
lucycles = 1;
break;
case 'l':
HWM_TickAll(&cpl[0], fdserver,0x3400);
break;
case 'x':
haltnow = 1;
break;
default:
break;
}
}
}
if(!dbg) {
cux++;
if(cux > numberofcpus - 1) {
if(gccq) {
if(numberofcpus > CPUSMIN) {
if(gccq > glccq) numberofcpus--;
}
paddlimit = 0;
} else {
if(numberofcpus < CPUSMAX && paddlimit > 0) {
fetchtime(&allcpus[cux].lrun);
allcpus[cux].cyclequeue = 0;
numberofcpus++;
paddlimit--;
} else {
if(paddlimit < CPUSMAX) paddlimit++;
}
}
cux = 0;
glccq = gccq;
gccq = 0;
}
} else {
numberofcpus = 1;
cux = 0;
}
if(haltnow) {
break;
}
}
HWM_FreeAll(&cpl[0]);
shutdown(fdserver, SHUT_RDWR);
close(fdserver);
}
printf("\n");
return 0;
}
int main(int argc, char**argv, char**envp)
{
uint32_t cux;
uintptr_t gccq = 0;
uintptr_t lucycles = 0;
uintptr_t lucpus = 0;
struct stats sts = {0, };
int paddlimit = 0;
int premlimit = 0;
isi_init_contable();
isi_register_objects();
isi_objtable_init();
isi_init_sestable();
isi_inittable(&alldev);
isi_inittable(&allcpu);
isi_synctable_init();
int i;
uint32_t k;
if( argc > 1 ) {
i = parse_args(argc, argv);
if(i) return i;
} else {
fprintf(stderr, gsc_usage, argv[0], argv[0]);
return 0;
}
if(endf) {
unsigned char * mflip;
uint32_t rsize;
loadbinfile(endf, 1, &mflip, &rsize);
savebinfile(endf, 0, mflip, rsize);
return 0;
}
struct sigaction hnler;
hnler.sa_handler = sysfaulthdl;
hnler.sa_flags = 0;
if(redisaddr) {
redis_make_session_lu(redisaddr);
}
if(!rqrun && !flagsvr) {
fprintf(stderr, "At least -r or -s must be specified.\n");
return 0;
}
if(flagsvr) {
if(!rqrun) enter_service();
makeserver(listenportnumber);
}
if(rqrun) {
make_interactive();
isi_addcpu();
}
sigaction(SIGINT, &hnler, NULL);
sigaction(SIGTERM, &hnler, NULL);
sigaction(SIGHUP, &hnler, NULL);
sigaction(SIGPIPE, &hnler, NULL);
fetchtime(<UTime);
lucycles = 0; // how many cycles ran (debugging)
cux = 0; // CPU index - currently never changes
if(rqrun && allcpu.count && ((struct isiCPUInfo*)allcpu.table[cux])->ctl & ISICTL_DEBUG) {
showdiag_dcpu(allcpu.table[cux], 1);
}
while(!haltnow) {
struct isiCPUInfo * ccpu;
struct isiInfo * ccpi;
struct timespec CRun;
ccpu = (struct isiCPUInfo*)(ccpi = allcpu.table[cux]);
fetchtime(&CRun);
if(!allcpu.count) {
struct timespec stime = {0, 10000};
nanosleep(&stime, NULL);
} else {
int ccq = 0;
int tcc = numberofcpus * 2;
if(tcc < 20) tcc = 20;
while(ccq < tcc && isi_time_lt(&ccpi->nrun, &CRun)) {
sts.quanta++;
ccpi->c->RunCycles(ccpi, CRun);
//TODO some hardware may need to work at the same time
lucycles += ccpu->cycl;
if(rqrun && (ccpu->ctl & ISICTL_TRACE) && (ccpu->cycl)) {
showdiag_dcpu(ccpi, 1);
}
ccpu->cycl = 0;
fetchtime(&CRun);
ccq++;
}
if(ccq >= tcc) gccq++;
sts.cpusched++;
fetchtime(&CRun);
if(ccpi->updev.t && ccpi->updev.t->c->RunCycles) {
ccpi->updev.t->c->RunCycles(ccpi->updev.t, CRun);
}
}
fetchtime(&CRun);
isi_run_sync(CRun);
fetchtime(&CRun);
if(CRun.tv_sec > LTUTime.tv_sec) { // roughly one second between status output
if(rqrun && !flagdbg) { // interactive diag
double clkdelta;
float clkrate;
if(allcpu.count) showdiag_dcpu(allcpu.table[0], 0);
clkdelta = ((double)(CRun.tv_sec - LTUTime.tv_sec)) + (((double)CRun.tv_nsec) * 0.000000001);
clkdelta-=(((double)LTUTime.tv_nsec) * 0.000000001);
if(!lucpus) lucpus = 1;
clkrate = ((((double)lucycles) * clkdelta) * 0.001) / numberofcpus;
fprintf(stderr, "DC: %.4f sec, %d at % 9.3f kHz (% 8ld) [Q:% 8d, S:% 8d, SC:% 8d]\r",
clkdelta, numberofcpus, clkrate, gccq,
sts.quanta, sts.cpusched, sts.cpusched / numberofcpus
);
if(allcpu.count) showdiag_up(4);
}
fetchtime(<UTime);
if(gccq >= sts.cpusched / numberofcpus ) {
if(numberofcpus > softcpumin) {
numberofcpus--;
if(rqrun) fprintf(stderr, "TODO: Offline a CPU\n");
premlimit--;
paddlimit = 0;
}
} else {
if(numberofcpus < softcpumax) {
//fetchtime(&allcpus[numberofcpus].nrun);
//isi_addtime(&allcpus[numberofcpus].nrun, quantum);
numberofcpus++;
if(rqrun) fprintf(stderr, "TODO: Online a CPU\n");
}
}
lucycles = 0;
lucpus = 0;
gccq = 0;
memset(&sts, 0, sizeof(struct stats));
if(premlimit < 20) premlimit+=10;
if(paddlimit < 20) paddlimit+=2;
for(k = 0; k < allses.count; k++) {
struct isiSession *ses = allses.table[k];
if(ses->LTick)
ses->LTick(ses, CRun);
}
}
if(allses.pcount != allses.count) {
if(allses.ptable) {
free(allses.ptable);
allses.ptable = 0;
}
allses.pcount = allses.count;
allses.ptable = (struct pollfd*)isi_alloc(sizeof(struct pollfd) * allses.pcount);
if(!allses.ptable) {
isilogerr("malloc poll table fails!");
}
i = 0;
for(k = 0; k < allses.count; k++) {
allses.ptable[i].fd = allses.table[k]->sfd;
allses.ptable[i].events = POLLIN;
i++;
}
}
if(allses.ptable) {
i = poll(allses.ptable, allses.pcount, 0);
} else {
i = 0;
}
for(k = 0; k < allses.count; k++) {
struct isiSession *ses = allses.table[k];
if(ses && ses->STick && (ses->cmdqstart != ses->cmdqend))
ses->STick(ses, CRun);
}
if(i > 0) {
for(k = 0; k < allses.pcount; k++) {
if(!allses.ptable[k].revents) continue;
struct isiSession *ses = allses.table[k];
const char *etxt = 0;
/* Here be dragons */
switch(allses.ptable[k].revents) {
case POLLERR: etxt = "poll: FD error\n"; goto sessionerror;
case POLLHUP: etxt = "poll: FD hangup\n"; goto sessionerror;
case POLLNVAL: etxt = "poll: FD invalid\n"; goto sessionerror;
default:
if(allses.ptable[k].revents & POLLIN) {
if(ses->sfd == allses.ptable[k].fd) {
if(ses->Recv(ses, CRun))
goto sessionerror;
} else {
isilog(L_ERR, "netses: session ID error\n");
}
}
}
continue;
sessionerror:
if(etxt) isilog(L_ERR, etxt);
if(ses->sfd == allses.ptable[k].fd) {
isi_delete_ses(ses);
k = allses.pcount;
}
}
}
if(!flagdbg) {
cux++;
if(!(cux < allcpu.count)) {
cux = 0;
}
} else {
numberofcpus = 1;
cux = 0;
}
if(haltnow) {
break;
}
}
if(flagsvr) {
isilog(L_WARN, "closing connections\n");
while(allses.count) {
isi_delete_ses(allses.table[0]);
}
}
while(allobj.count) {
isi_delete_object(allobj.table[0]);
}
if(rqrun) printf("\n\n\n\n");
return 0;
}
