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Ignore whitespace Rev 1123 → Rev 1122

/demos/trunk/first/cbsstar.c
20,11 → 20,11
 
/*
------------
CVS : $Id: cbsstar.c,v 1.4 2003-01-07 17:10:16 pj Exp $
CVS : $Id: cbsstar.c,v 1.3 2002-11-11 08:17:59 pj Exp $
 
File: $File$
Revision: $Revision: 1.4 $
Last update: $Date: 2003-01-07 17:10:16 $
Revision: $Revision: 1.3 $
Last update: $Date: 2002-11-11 08:17:59 $
------------
 
Read CBSSTAR.h for general details.
77,7 → 77,7
 
//#define CBSSTAR_DEBUG
 
#ifdef CBSSTAR_DEBUG
#ifdef CBSSTAR_DEBUF
 
static __inline__ void fake_printf(char *fmt, ...) {}
 
206,7 → 206,10
job_task_default_model(job, b->dline);
job_task_def_noexc(job);
level_table[ lev->scheduling_level ]->
private_insert(lev->scheduling_level, p, (TASK_MODEL *)&job);
guest_create(lev->scheduling_level, p, (TASK_MODEL *)&job);
level_table[ lev->scheduling_level ]->
guest_activate(lev->scheduling_level, p);
 
}
 
 
225,8 → 228,35
}
 
 
static int CBSSTAR_level_accept_task_model(LEVEL l, TASK_MODEL *m)
{
return -1;
}
 
static int CBSSTAR_level_accept_guest_model(LEVEL l, TASK_MODEL *m)
{
if (m->pclass == BUDGET_PCLASS || m->pclass == (BUDGET_PCLASS | l)) {
return 0;
}
 
return -1;
}
 
 
static void CBSSTAR_level_status(LEVEL l)
{
kern_printf("CBSSTAR level_status (level %d)\n", l);
}
 
static PID CBSSTAR_level_scheduler(LEVEL l)
{
/* the CBSSTAR don't schedule anything...
it's an EDF level or similar that do it! */
return NIL;
}
 
/* The on-line guarantee is enabled only if the appropriate flag is set... */
static int CBSSTAR_public_guarantee(LEVEL l, bandwidth_t *freebandwidth)
static int CBSSTAR_level_guarantee(LEVEL l, bandwidth_t *freebandwidth)
{
CBSSTAR_level_des *lev = (CBSSTAR_level_des *)(level_table[l]);
 
242,8 → 272,19
return 0;
}
 
static int CBSSTAR_private_eligible(LEVEL l, PID p)
static int CBSSTAR_task_create(LEVEL l, PID p, TASK_MODEL *m)
{
kern_raise(XINVALID_TASK,exec_shadow);
return 0; /* OK, also if the task cannot be guaranteed... */
}
 
static void CBSSTAR_task_detach(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static int CBSSTAR_task_eligible(LEVEL l, PID p)
{
/* this function is never called! ... maybe I should remove it? */
#if 0
CBSSTAR_level_des *lev = (CBSSTAR_level_des *)(level_table[l]);
struct budget_struct *b = &lev->b[lev->tb[p]];
JOB_TASK_MODEL job;
262,7 → 303,7
if ( TIMESPEC_A_LT_B(&b->dline, &schedule_time) ) {
/* we kill the current activation */
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level, p);
guest_end(lev->scheduling_level, p);
 
/* we modify the deadline ... */
TIMESPEC_ASSIGN(&b->dline, &schedule_time);
281,7 → 322,9
job_task_default_model(job, b->dline);
job_task_def_noexc(job);
level_table[ lev->scheduling_level ]->
private_insert(lev->scheduling_level, p, (TASK_MODEL *)&job);
guest_create(lev->scheduling_level, p, (TASK_MODEL *)&job);
level_table[ lev->scheduling_level ]->
guest_activate(lev->scheduling_level, p);
 
return -1;
}
289,10 → 332,35
cbsstar_printf(")");
#endif
 
#endif
return 0;
}
 
static void CBSSTAR_private_insert(LEVEL l, PID p, TASK_MODEL *m)
static void CBSSTAR_task_dispatch(LEVEL l, PID p, int nostop)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_epilogue(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_activate(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_insert(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_extract(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_endcycle(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_end(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static void CBSSTAR_task_sleep(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
static int CBSSTAR_guest_create(LEVEL l, PID p, TASK_MODEL *m)
{
/* A task has been activated for some reason. Basically, the task is
inserted in the queue if the queue is empty, otherwise the task is
299,15 → 367,8
inserted into the master module, and an oslib event is posted. */
 
CBSSTAR_level_des *lev = (CBSSTAR_level_des *)(level_table[l]);
BUDGET_TASK_MODEL *budget;
BUDGET_TASK_MODEL *budget = (BUDGET_TASK_MODEL *)m;
 
if (m->pclass != BUDGET_PCLASS ||
(m->level != 0 && m->level != l)) {
kern_raise(XINVALID_TASK, p);
return;
}
budget = (BUDGET_TASK_MODEL *)m;
 
#ifdef CBSSTAR_DEBUG
cbsstar_printf("(C:gcr %d b%d", p, budget->b);
#endif
318,7 → 379,7
/* This is the first task in the budget,
the task have to be inserted into the master module */
struct timespec t;
kern_gettime(&t);
ll_gettime(TIME_EXACT, &t);
CBSSTAR_activation(lev,p,&t);
} else {
/* The budget is not empty, another task is already into the
333,9 → 394,11
#ifdef CBSSTAR_DEBUG
cbsstar_printf(")");
#endif
 
return 0;
}
 
static void CBSSTAR_private_extract(LEVEL l, PID p)
static void CBSSTAR_guest_end(LEVEL l, PID p)
{
CBSSTAR_level_des *lev = (CBSSTAR_level_des *)(level_table[l]);
 
353,7 → 416,7
if (lev->b[lev->tb[p]].current == p) {
/* remove the task from the master module */
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level, p);
guest_end(lev->scheduling_level, p);
 
#ifdef CBSSTAR_DEBUG
cbsstar_printq(&lev->b[lev->tb[p]].tasks);
369,7 → 432,7
PID n;
struct timespec t;
kern_gettime(&t);
ll_gettime(TIME_EXACT, &t);
n = iq_getfirst(&lev->b[lev->tb[p]].tasks);
#ifdef CBSSTAR_DEBUG
cbsstar_printf("{p%d n%d}",p,n);
381,7 → 444,7
iq_extract(p, &lev->b[lev->tb[p]].tasks);
}
 
static void CBSSTAR_private_dispatch(LEVEL l, PID p, int nostop)
static void CBSSTAR_guest_dispatch(LEVEL l, PID p, int nostop)
{
CBSSTAR_level_des *lev = (CBSSTAR_level_des *)(level_table[l]);
struct timespec ty;
398,7 → 461,7
 
/* ... then, we dispatch it to the master level */
level_table[ lev->scheduling_level ]->
private_dispatch(lev->scheduling_level,p,nostop);
guest_dispatch(lev->scheduling_level,p,nostop);
 
/* ...and finally, we have to post a capacity event */
if (!nostop) {
408,7 → 471,7
}
}
 
static void CBSSTAR_private_epilogue(LEVEL l, PID p)
static void CBSSTAR_guest_epilogue(LEVEL l, PID p)
{
CBSSTAR_level_des *lev = (CBSSTAR_level_des *)(level_table[l]);
struct budget_struct *b = &lev->b[lev->tb[p]];
424,7 → 487,7
/* there is capacity available, maybe it is simply a preemption;
the task have to return to the ready queue */
level_table[ lev->scheduling_level ]->
private_epilogue(lev->scheduling_level,p);
guest_epilogue(lev->scheduling_level,p);
#ifdef CBSSTAR_DEBUG
cbsstar_printf2(" *av=%d", b->avail);
#endif
435,7 → 498,7
 
/* we kill the current activation */
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level, p);
guest_end(lev->scheduling_level, p);
 
/* we modify the deadline according to rule 4 ... */
/* there is a while because if the wcet is << than the system tick
457,7 → 520,9
job_task_default_model(job, b->dline);
job_task_def_noexc(job);
level_table[ lev->scheduling_level ]->
private_insert(lev->scheduling_level, p, (TASK_MODEL *)&job);
guest_create(lev->scheduling_level, p, (TASK_MODEL *)&job);
level_table[ lev->scheduling_level ]->
guest_activate(lev->scheduling_level, p);
}
#ifdef CBSSTAR_DEBUG
cbsstar_printf(")");
464,7 → 529,27
#endif
}
 
static void CBSSTAR_guest_detach(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void CBSSTAR_guest_activate(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void CBSSTAR_guest_insert(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void CBSSTAR_guest_extract(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void CBSSTAR_guest_endcycle(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void CBSSTAR_guest_sleep(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
 
 
 
/* Registration functions */
 
/*+ Registration function:
480,21 → 565,56
#endif
 
/* request an entry in the level_table */
l = level_alloc_descriptor(sizeof(CBSSTAR_level_des));
l = level_alloc_descriptor();
 
lev = (CBSSTAR_level_des *)level_table[l];
#ifdef CBSSTAR_DEBUG
cbsstar_printf(" alloco descrittore %d %d\n",l,(int)sizeof(CBSSTAR_level_des));
#endif
 
printk(" lev=%d\n",(int)lev);
/* alloc the space needed for the CBSSTAR_level_des */
lev = (CBSSTAR_level_des *)kern_alloc(sizeof(CBSSTAR_level_des));
 
#ifdef CBSSTAR_DEBUG
cbsstar_printf(" lev=%d\n",(int)lev);
#endif
 
/* update the level_table with the new entry */
level_table[l] = (level_des *)lev;
 
/* fill the standard descriptor */
lev->l.private_insert = CBSSTAR_private_insert;
lev->l.private_extract = CBSSTAR_private_extract;
lev->l.private_eligible = CBSSTAR_private_eligible;
lev->l.private_dispatch = CBSSTAR_private_dispatch;
lev->l.private_epilogue = CBSSTAR_private_epilogue;
strncpy(lev->l.level_name, CBSSTAR_LEVELNAME, MAX_LEVELNAME);
lev->l.level_code = CBSSTAR_LEVEL_CODE;
lev->l.level_version = CBSSTAR_LEVEL_VERSION;
 
lev->l.public_guarantee = CBSSTAR_public_guarantee;
lev->l.level_accept_task_model = CBSSTAR_level_accept_task_model;
lev->l.level_accept_guest_model = CBSSTAR_level_accept_guest_model;
lev->l.level_status = CBSSTAR_level_status;
lev->l.level_scheduler = CBSSTAR_level_scheduler;
lev->l.level_guarantee = CBSSTAR_level_guarantee;
 
lev->l.task_create = CBSSTAR_task_create;
lev->l.task_detach = CBSSTAR_task_detach;
lev->l.task_eligible = CBSSTAR_task_eligible;
lev->l.task_dispatch = CBSSTAR_task_dispatch;
lev->l.task_epilogue = CBSSTAR_task_epilogue;
lev->l.task_activate = CBSSTAR_task_activate;
lev->l.task_insert = CBSSTAR_task_insert;
lev->l.task_extract = CBSSTAR_task_extract;
lev->l.task_endcycle = CBSSTAR_task_endcycle;
lev->l.task_end = CBSSTAR_task_end;
lev->l.task_sleep = CBSSTAR_task_sleep;
 
lev->l.guest_create = CBSSTAR_guest_create;
lev->l.guest_detach = CBSSTAR_guest_detach;
lev->l.guest_dispatch = CBSSTAR_guest_dispatch;
lev->l.guest_epilogue = CBSSTAR_guest_epilogue;
lev->l.guest_activate = CBSSTAR_guest_activate;
lev->l.guest_insert = CBSSTAR_guest_insert;
lev->l.guest_extract = CBSSTAR_guest_extract;
lev->l.guest_endcycle = CBSSTAR_guest_endcycle;
lev->l.guest_end = CBSSTAR_guest_end;
lev->l.guest_sleep = CBSSTAR_guest_sleep;
 
/* fill the CBSSTAR descriptor part */
lev->b = (struct budget_struct *)kern_alloc(sizeof(struct budget_struct)*n);
 
529,25 → 649,30
cbsstar_printf("(C:sbud)");
#endif
 
if (lev->freebudgets != lev->n) {
bandwidth_t b;
b = (MAX_BANDWIDTH / T) * Q;
/* really update lev->U, checking an overflow... */
if (Q< T && MAX_BANDWIDTH - lev->U > b) {
int r = lev->freebudgets; // the return value
if (lev->l.level_code == CBSSTAR_LEVEL_CODE &&
lev->l.level_version == CBSSTAR_LEVEL_VERSION) {
if (lev->freebudgets != lev->n) {
bandwidth_t b;
b = (MAX_BANDWIDTH / T) * Q;
lev->U += b;
lev->freebudgets++;
lev->b[r].Q = Q;
lev->b[r].T = T;
return r;
/* really update lev->U, checking an overflow... */
if (Q< T && MAX_BANDWIDTH - lev->U > b) {
int r = lev->freebudgets; // the return value
 
lev->U += b;
lev->freebudgets++;
 
lev->b[r].Q = Q;
lev->b[r].T = T;
 
return r;
}
else
return -2;
}
else
return -2;
return -1;
}
else
return -1;
return -3;
}
/demos/trunk/first/rmstar.c
18,11 → 18,11
 
/**
------------
CVS : $Id: rmstar.c,v 1.4 2003-01-07 17:10:17 pj Exp $
CVS : $Id: rmstar.c,v 1.3 2002-11-11 08:17:59 pj Exp $
 
File: $File$
Revision: $Revision: 1.4 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.3 $
Last update: $Date: 2002-11-11 08:17:59 $
------------
**/
 
66,7 → 66,7
 
//#define RMSTAR_DEBUG
 
#ifdef RMSTAR_DEBUG
#ifdef RMSTAR_DEBUF
 
static __inline__ fake_printf(char *fmt, ...) {}
 
131,7 → 131,7
if ((first = iq_query_first(&lev->ready)) != lev->activated) {
if (lev->activated != NIL)
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level, lev->activated);
guest_end(lev->scheduling_level, lev->activated);
 
lev->activated = first;
 
140,7 → 140,7
budget_task_default_model(b, lev->budget);
 
level_table[ lev->scheduling_level ]->
private_insert(lev->scheduling_level, first, (TASK_MODEL *)&b);
guest_create(lev->scheduling_level, first, (TASK_MODEL *)&b);
}
}
}
147,17 → 147,19
 
static void RMSTAR_timer_deadline(void *par);
 
static void RMSTAR_internal_activate(RMSTAR_level_des *lev, PID p,
struct timespec *t)
static void RMSTAR_internal_activate(RMSTAR_level_des *lev, PID p)
{
struct timespec temp;
 
#ifdef RMSTAR_DEBUG
rmstar_printf("(E:iact)");
#endif
 
ADDUSEC2TIMESPEC(lev->period[p], t);
TIMESPEC_ASSIGN(&temp, &proc_table[p].request_time);
ADDUSEC2TIMESPEC(lev->period[p], &temp);
 
*iq_query_timespec(p, &lev->ready) = *t;
lev->deadline_timespec[p] = *t;
*iq_query_timespec(p, &lev->ready) = temp;
lev->deadline_timespec[p] = temp;
 
/* Insert task in the correct position */
proc_table[p].status = RMSTAR_READY;
170,6 → 172,18
RMSTAR_check_preemption(lev);
}
 
static char *RMSTAR_status_to_a(WORD status)
{
if (status < MODULE_STATUS_BASE)
return status_to_a(status);
 
switch (status) {
case RMSTAR_READY : return "RMSTAR_Ready";
case RMSTAR_IDLE : return "RMSTAR_Idle";
default : return "RMSTAR_Unknown";
}
}
 
static void RMSTAR_timer_deadline(void *par)
{
PID p = (PID) par;
187,8 → 201,10
// rmstar_printf2("I%d",p);
#endif
/* set the request time */
RMSTAR_internal_activate(lev,p,iq_query_timespec(p, &lev->ready));
proc_table[p].request_time = *iq_query_timespec(p, &lev->ready);
 
RMSTAR_internal_activate(lev,p);
 
event_need_reschedule();
break;
 
227,20 → 243,104
kern_raise(XDEADLINE_MISS,p);
}
 
static int RMSTAR_public_create(LEVEL l, PID p, TASK_MODEL *m)
static int RMSTAR_level_accept_task_model(LEVEL l, TASK_MODEL *m)
{
#ifdef RMSTAR_DEBUG
rmstar_printf("(E:lacct)");
#endif
 
if (m->pclass == HARD_PCLASS || m->pclass == (HARD_PCLASS | l)) {
HARD_TASK_MODEL *h = (HARD_TASK_MODEL *)m;
 
if (h->wcet && h->mit && h->periodicity == PERIODIC)
return 0;
}
 
return -1;
}
 
static int RMSTAR_level_accept_guest_model(LEVEL l, TASK_MODEL *m)
{
#ifdef RMSTAR_DEBUG
rmstar_printf("(E:laccg)");
#endif
 
if (m->pclass == JOB_PCLASS || m->pclass == (JOB_PCLASS | l))
return 0;
else
return -1;
}
 
 
static char *onoff(int i)
{
if (i)
return "On ";
else
return "Off";
}
 
static void RMSTAR_level_status(LEVEL l)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
PID p = iq_query_first(&lev->ready);
struct timespec temp;
kern_printf("Budget number : %u\n", lev->budget);
kern_printf("Master level : %u\n", lev->scheduling_level);
kern_printf("Active PID : %u\n", lev->activated);
while (p != NIL) {
if ((proc_table[p].pclass) == JOB_PCLASS)
kern_printf("Pid: %2d (GUEST)\n", p);
else {
temp = *iq_query_timespec(p, &lev->ready);
kern_printf("Pid: %2d Name: %10s %s: %9ld Dline: %9ld.%6ld Stat: %s\n",
p,
proc_table[p].name,
"Period ",
lev->period[p],
temp.tv_sec,
temp.tv_nsec/1000,
RMSTAR_status_to_a(proc_table[p].status));
p = iq_query_next(p, &lev->ready);
}
}
for (p=0; p<MAX_PROC; p++)
if (proc_table[p].task_level == l
&& proc_table[p].status != RMSTAR_READY
&& proc_table[p].status != FREE ) {
temp = *iq_query_timespec(p, &lev->ready);
kern_printf("Pid: %2d Name: %10s %s: %9ld Dline: %9ld.%6ld Stat: %s\n",
p,
proc_table[p].name,
"Period ",
lev->period[p],
temp.tv_sec,
temp.tv_nsec/1000,
RMSTAR_status_to_a(proc_table[p].status));
}
}
 
/* The scheduler only gets the first task in the queue */
static PID RMSTAR_level_scheduler(LEVEL l)
{
//RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
return NIL;
}
 
static int RMSTAR_task_create(LEVEL l, PID p, TASK_MODEL *m)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
/* if the RMSTAR_task_create is called, then the pclass must be a
valid pclass. */
HARD_TASK_MODEL *h;
HARD_TASK_MODEL *h = (HARD_TASK_MODEL *)m;
 
if (m->pclass != HARD_PCLASS) return -1;
if (m->level != 0 && m->level != l) return -1;
h = (HARD_TASK_MODEL *)m;
if (!h->wcet || !h->mit || h->periodicity != PERIODIC) return -1;
/* now we know that m is a valid model */
 
#ifdef RMSTAR_DEBUG
rmstar_printf("(E:tcr)");
#endif
262,8 → 362,24
return 0; /* OK, also if the task cannot be guaranteed... */
}
 
static void RMSTAR_public_dispatch(LEVEL l, PID p, int nostop)
static void RMSTAR_task_detach(LEVEL l, PID p)
{
#ifdef RMSTAR_DEBUG
rmstar_printf2("(E:tdt)");
#endif
}
 
static int RMSTAR_task_eligible(LEVEL l, PID p)
{
#ifdef RMSTAR_DEBUG
rmstar_printf2("(E:eli)");
#endif
 
return 0; /* if the task p is chosen, it is always eligible */
}
 
static void RMSTAR_task_dispatch(LEVEL l, PID p, int nostop)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
#ifdef RMSTAR_DEBUG
275,10 → 391,10
#endif
 
level_table[ lev->scheduling_level ]->
private_dispatch(lev->scheduling_level,p,nostop);
guest_dispatch(lev->scheduling_level,p,nostop);
}
 
static void RMSTAR_public_epilogue(LEVEL l, PID p)
static void RMSTAR_task_epilogue(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
300,15 → 416,14
#endif
 
level_table[ lev->scheduling_level ]->
private_epilogue(lev->scheduling_level,p);
guest_epilogue(lev->scheduling_level,p);
 
proc_table[p].status = RMSTAR_READY;
}
 
static void RMSTAR_public_activate(LEVEL l, PID p)
static void RMSTAR_task_activate(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
struct timespec t;
 
#ifdef RMSTAR_DEBUG
rmstar_printf("(E:act)");
322,9 → 437,9
return;
}
 
kern_gettime(&t);
ll_gettime(TIME_EXACT, &proc_table[p].request_time);
 
RMSTAR_internal_activate(lev,p, &t);
RMSTAR_internal_activate(lev,p);
 
/* Set the deadline timer */
lev->deadline_timer[p] = kern_event_post(&lev->deadline_timespec[p],
333,7 → 448,7
 
}
 
static void RMSTAR_public_unblock(LEVEL l, PID p)
static void RMSTAR_task_insert(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
349,7 → 464,7
RMSTAR_check_preemption(lev);
}
 
static void RMSTAR_public_block(LEVEL l, PID p)
static void RMSTAR_task_extract(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
365,7 → 480,7
RMSTAR_check_preemption(lev);
}
 
static int RMSTAR_public_message(LEVEL l, PID p, void *m)
static void RMSTAR_task_endcycle(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
struct timespec temp;
377,7 → 492,8
/* we call guest_end directly here because the same task may
be reinserted in the queue before calling the preemption check! */
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level,p); lev->activated = NIL;
guest_end(lev->scheduling_level,p);
lev->activated = NIL;
 
iq_extract(p,&lev->ready);
 
393,9 → 509,9
lev->nact[p]--;
 
/* see also RMSTAR_timer_deadline */
kern_gettime(&temp);
ll_gettime(TIME_EXACT, &proc_table[p].request_time);
 
RMSTAR_internal_activate(lev,p,&temp);
RMSTAR_internal_activate(lev,p);
 
/* check if the deadline has already expired */
temp = *iq_query_timespec(p, &lev->ready);
402,7 → 518,7
if (TIMESPEC_A_LT_B(&temp, &schedule_time)) {
/* count the deadline miss */
lev->dline_miss[p]++;
kern_event_delete(lev->deadline_timer[p]);
event_delete(lev->deadline_timer[p]);
}
 
}
418,19 → 534,14
RMSTAR_check_preemption(lev);
 
/* when the deadline timer fire, it recognize the situation and set
correctly all the stuffs (like reactivation, etc... ) */
correctly all the stuffs (like reactivation, request_time, etc... ) */
}
#ifdef RMSTAR_DEBUG
rmstar_printf(")");
#endif
 
jet_update_endcycle(); /* Update the Jet data... */
trc_logevent(TRC_ENDCYCLE,&exec_shadow); /* tracer stuff */
 
return 0;
}
 
static void RMSTAR_public_end(LEVEL l, PID p)
static void RMSTAR_task_end(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
446,7 → 557,7
iq_insertfirst(p,&freedesc);
if (lev->deadline_timer[p] != -1) {
kern_event_delete(lev->deadline_timer[p]);
event_delete(lev->deadline_timer[p]);
}
 
/* and finally, a preemption check! (it will also call guest_end) */
453,23 → 564,22
RMSTAR_check_preemption(lev);
}
 
static void RMSTAR_task_sleep(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
 
/* Guest Functions
These functions manages a JOB_TASK_MODEL, that is used to put
a guest task in the RMSTAR ready queue. */
 
static void RMSTAR_private_insert(LEVEL l, PID p, TASK_MODEL *m)
static int RMSTAR_guest_create(LEVEL l, PID p, TASK_MODEL *m)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
JOB_TASK_MODEL *job;
JOB_TASK_MODEL *job = (JOB_TASK_MODEL *)m;
 
if (m->pclass != JOB_PCLASS || (m->level != 0 && m->level != l) ) {
kern_raise(XINVALID_TASK, p);
return;
}
/* if the RMSTAR_guest_create is called, then the pclass must be a
valid pclass. */
 
job = (JOB_TASK_MODEL *)m;
 
*iq_query_timespec(p, &lev->ready) = job->deadline;
lev->deadline_timer[p] = -1;
479,12 → 589,8
 
if (job->noraiseexc)
lev->flag[p] = RMSTAR_FLAG_NORAISEEXC;
else {
else
lev->flag[p] = 0;
lev->deadline_timer[p] = kern_event_post(iq_query_timespec(p, &lev->ready),
RMSTAR_timer_guest_deadline,
(void *)p);
}
 
lev->period[p] = job->period;
*iq_query_priority(p, &lev->ready) = job->period;
492,6 → 598,39
/* there is no bandwidth guarantee at this level, it is performed
by the level that inserts guest tasks... */
 
return 0; /* OK, also if the task cannot be guaranteed... */
}
 
static void RMSTAR_guest_detach(LEVEL l, PID p)
{
/* the RMSTAR level doesn't introduce any dinamic allocated new field.
No guarantee is performed on guest tasks... so we don't have to reset
the NO_GUARANTEE FIELD */
}
 
static void RMSTAR_guest_dispatch(LEVEL l, PID p, int nostop)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
level_table[ lev->scheduling_level ]->
guest_dispatch(lev->scheduling_level,p,nostop);
}
 
static void RMSTAR_guest_epilogue(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
/* the task has been preempted. it returns into the ready queue... */
level_table[ lev->scheduling_level ]->
guest_epilogue(lev->scheduling_level,p);
 
proc_table[p].status = RMSTAR_READY;
}
 
static void RMSTAR_guest_activate(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
/* Insert task in the correct position */
iq_priority_insert(p,&lev->ready);
proc_table[p].status = RMSTAR_READY;
498,28 → 637,40
 
/* check for preemption */
RMSTAR_check_preemption(lev);
 
/* Set the deadline timer */
if (!(lev->flag[p] & RMSTAR_FLAG_NORAISEEXC))
lev->deadline_timer[p] = kern_event_post(iq_query_timespec(p, &lev->ready),
RMSTAR_timer_guest_deadline,
(void *)p);
 
}
 
static void RMSTAR_private_dispatch(LEVEL l, PID p, int nostop)
static void RMSTAR_guest_insert(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
level_table[ lev->scheduling_level ]->
private_dispatch(lev->scheduling_level,p,nostop);
/* Insert task in the correct position */
iq_priority_insert(p,&lev->ready);
proc_table[p].status = RMSTAR_READY;
 
/* and check for preemption! */
RMSTAR_check_preemption(lev);
}
 
static void RMSTAR_private_epilogue(LEVEL l, PID p)
static void RMSTAR_guest_extract(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
/* the task has been preempted. it returns into the ready queue... */
level_table[ lev->scheduling_level ]->
private_epilogue(lev->scheduling_level,p);
/* the task is blocked on a synchronization primitive. we have to
remove it from the master module -and- from the local queue! */
iq_extract(p,&lev->ready);
 
proc_table[p].status = RMSTAR_READY;
/* and finally, a preemption check! (it will also call guest_end() */
RMSTAR_check_preemption(lev);
}
 
static void RMSTAR_private_extract(LEVEL l, PID p)
static void RMSTAR_guest_end(LEVEL l, PID p)
{
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
534,7 → 685,7
#ifdef RMSTAR_DEBUG
// kern_printf("RMSTAR_guest_end: dline timer %d\n",lev->deadline_timer[p]);
#endif
kern_event_delete(lev->deadline_timer[p]);
event_delete(lev->deadline_timer[p]);
lev->deadline_timer[p] = NIL;
}
 
542,6 → 693,12
RMSTAR_check_preemption(lev);
}
 
static void RMSTAR_guest_endcycle(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void RMSTAR_guest_sleep(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
/* Registration functions */
 
/* Registration function:
557,28 → 714,55
#endif
 
/* request an entry in the level_table */
l = level_alloc_descriptor(sizeof(RMSTAR_level_des));
l = level_alloc_descriptor();
 
lev = (RMSTAR_level_des *)level_table[l];
#ifdef RMSTAR_DEBUG
printk(" alloco descrittore %d %d\n",l,(int)sizeof(RMSTAR_level_des));
#endif
 
/* alloc the space needed for the RMSTAR_level_des */
lev = (RMSTAR_level_des *)kern_alloc(sizeof(RMSTAR_level_des));
 
#ifdef RMSTAR_DEBUG
printk(" lev=%d\n",(int)lev);
#endif
 
/* update the level_table with the new entry */
level_table[l] = (level_des *)lev;
 
/* fill the standard descriptor */
lev->l.private_insert = RMSTAR_private_insert;
lev->l.private_extract = RMSTAR_private_extract;
lev->l.private_dispatch = RMSTAR_private_dispatch;
lev->l.private_epilogue = RMSTAR_private_epilogue;
strncpy(lev->l.level_name, RMSTAR_LEVELNAME, MAX_LEVELNAME);
lev->l.level_code = RMSTAR_LEVEL_CODE;
lev->l.level_version = RMSTAR_LEVEL_VERSION;
 
lev->l.public_guarantee = NULL;
lev->l.public_create = RMSTAR_public_create;
lev->l.public_end = RMSTAR_public_end;
lev->l.public_dispatch = RMSTAR_public_dispatch;
lev->l.public_epilogue = RMSTAR_public_epilogue;
lev->l.public_activate = RMSTAR_public_activate;
lev->l.public_unblock = RMSTAR_public_unblock;
lev->l.public_block = RMSTAR_public_block;
lev->l.public_message = RMSTAR_public_message;
lev->l.level_accept_task_model = RMSTAR_level_accept_task_model;
lev->l.level_accept_guest_model = RMSTAR_level_accept_guest_model;
lev->l.level_status = RMSTAR_level_status;
lev->l.level_scheduler = RMSTAR_level_scheduler;
lev->l.level_guarantee = NULL;
lev->l.task_create = RMSTAR_task_create;
lev->l.task_detach = RMSTAR_task_detach;
lev->l.task_eligible = RMSTAR_task_eligible;
lev->l.task_dispatch = RMSTAR_task_dispatch;
lev->l.task_epilogue = RMSTAR_task_epilogue;
lev->l.task_activate = RMSTAR_task_activate;
lev->l.task_insert = RMSTAR_task_insert;
lev->l.task_extract = RMSTAR_task_extract;
lev->l.task_endcycle = RMSTAR_task_endcycle;
lev->l.task_end = RMSTAR_task_end;
lev->l.task_sleep = RMSTAR_task_sleep;
 
lev->l.guest_create = RMSTAR_guest_create;
lev->l.guest_detach = RMSTAR_guest_detach;
lev->l.guest_dispatch = RMSTAR_guest_dispatch;
lev->l.guest_epilogue = RMSTAR_guest_epilogue;
lev->l.guest_activate = RMSTAR_guest_activate;
lev->l.guest_insert = RMSTAR_guest_insert;
lev->l.guest_extract = RMSTAR_guest_extract;
lev->l.guest_endcycle = RMSTAR_guest_endcycle;
lev->l.guest_end = RMSTAR_guest_end;
lev->l.guest_sleep = RMSTAR_guest_sleep;
 
/* fill the RMSTAR descriptor part */
for(i=0; i<MAX_PROC; i++) {
lev->period[i] = 0;
602,8 → 786,11
{
LEVEL l = proc_table[p].task_level;
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
return lev->dline_miss[p];
if (lev->l.level_code == RMSTAR_LEVEL_CODE &&
lev->l.level_version == RMSTAR_LEVEL_VERSION)
return lev->dline_miss[p];
else
return -1;
}
 
int RMSTAR_get_wcet_miss(PID p)
610,8 → 797,11
{
LEVEL l = proc_table[p].task_level;
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
return lev->wcet_miss[p];
if (lev->l.level_code == RMSTAR_LEVEL_CODE &&
lev->l.level_version == RMSTAR_LEVEL_VERSION)
return lev->wcet_miss[p];
else
return -1;
}
 
int RMSTAR_get_nact(PID p)
618,8 → 808,11
{
LEVEL l = proc_table[p].task_level;
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
return lev->nact[p];
if (lev->l.level_code == RMSTAR_LEVEL_CODE &&
lev->l.level_version == RMSTAR_LEVEL_VERSION)
return lev->nact[p];
else
return -1;
}
 
int RMSTAR_reset_dline_miss(PID p)
626,9 → 819,14
{
LEVEL l = proc_table[p].task_level;
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
lev->dline_miss[p] = 0;
return 0;
if (lev->l.level_code == RMSTAR_LEVEL_CODE &&
lev->l.level_version == RMSTAR_LEVEL_VERSION)
{
lev->dline_miss[p] = 0;
return 0;
}
else
return -1;
}
 
int RMSTAR_reset_wcet_miss(PID p)
635,8 → 833,13
{
LEVEL l = proc_table[p].task_level;
RMSTAR_level_des *lev = (RMSTAR_level_des *)(level_table[l]);
 
lev->wcet_miss[p] = 0;
return 0;
if (lev->l.level_code == RMSTAR_LEVEL_CODE &&
lev->l.level_version == RMSTAR_LEVEL_VERSION)
{
lev->wcet_miss[p] = 0;
return 0;
}
else
return -1;
}
 
/demos/trunk/first/testiq.c
18,11 → 18,11
 
/*
------------
CVS : $Id: testiq.c,v 1.3 2003-01-07 17:10:17 pj Exp $
CVS : $Id: testiq.c,v 1.2 2002-11-11 08:17:59 pj Exp $
 
File: $File$
Revision: $Revision: 1.3 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.2 $
Last update: $Date: 2002-11-11 08:17:59 $
------------
 
The purpose of this test is to show that two budgets with different
246,6 → 246,8
{
KEY_EVT k;
 
set_exchandler_grx();
 
sem_init(&s,0,1);
 
k.flag = 0;
/demos/trunk/first/edfstar.c
18,11 → 18,11
 
/**
------------
CVS : $Id: edfstar.c,v 1.4 2003-01-07 17:10:16 pj Exp $
CVS : $Id: edfstar.c,v 1.3 2002-11-11 08:17:59 pj Exp $
 
File: $File$
Revision: $Revision: 1.4 $
Last update: $Date: 2003-01-07 17:10:16 $
Revision: $Revision: 1.3 $
Last update: $Date: 2002-11-11 08:17:59 $
------------
**/
 
133,7 → 133,7
if ((first = iq_query_first(&lev->ready)) != lev->activated) {
if (lev->activated != NIL)
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level, lev->activated);
guest_end(lev->scheduling_level, lev->activated);
 
lev->activated = first;
 
142,7 → 142,7
budget_task_default_model(b, lev->budget);
 
level_table[ lev->scheduling_level ]->
private_insert(lev->scheduling_level, first, (TASK_MODEL *)&b);
guest_create(lev->scheduling_level, first, (TASK_MODEL *)&b);
}
}
}
149,17 → 149,19
 
static void EDFSTAR_timer_deadline(void *par);
 
static void EDFSTAR_internal_activate(EDFSTAR_level_des *lev, PID p,
struct timespec *t)
static void EDFSTAR_internal_activate(EDFSTAR_level_des *lev, PID p)
{
struct timespec temp;
 
#ifdef EDFSTAR_DEBUG
edfstar_printf("(E:iact)");
#endif
 
ADDUSEC2TIMESPEC(lev->period[p], t);
TIMESPEC_ASSIGN(&temp, &proc_table[p].request_time);
ADDUSEC2TIMESPEC(lev->period[p], &temp);
 
*iq_query_timespec(p, &lev->ready) = *t;
lev->deadline_timespec[p] = *t;
*iq_query_timespec(p, &lev->ready) = temp;
lev->deadline_timespec[p] = temp;
 
/* Insert task in the correct position */
proc_table[p].status = EDFSTAR_READY;
172,6 → 174,18
EDFSTAR_check_preemption(lev);
}
 
static char *EDFSTAR_status_to_a(WORD status)
{
if (status < MODULE_STATUS_BASE)
return status_to_a(status);
 
switch (status) {
case EDFSTAR_READY : return "EDFSTAR_Ready";
case EDFSTAR_IDLE : return "EDFSTAR_Idle";
default : return "EDFSTAR_Unknown";
}
}
 
static void EDFSTAR_timer_deadline(void *par)
{
PID p = (PID) par;
189,8 → 203,10
// edfstar_printf2("I%d",p);
#endif
/* set the request time */
EDFSTAR_internal_activate(lev,p,iq_query_timespec(p, &lev->ready));
proc_table[p].request_time = *iq_query_timespec(p, &lev->ready);
 
EDFSTAR_internal_activate(lev,p);
 
event_need_reschedule();
break;
 
229,21 → 245,104
kern_raise(XDEADLINE_MISS,p);
}
 
static int EDFSTAR_public_create(LEVEL l, PID p, TASK_MODEL *m)
static int EDFSTAR_level_accept_task_model(LEVEL l, TASK_MODEL *m)
{
#ifdef EDFSTAR_DEBUG
edfstar_printf("(E:lacct)");
#endif
 
if (m->pclass == HARD_PCLASS || m->pclass == (HARD_PCLASS | l)) {
HARD_TASK_MODEL *h = (HARD_TASK_MODEL *)m;
 
if (h->wcet && h->mit && h->periodicity == PERIODIC)
return 0;
}
 
return -1;
}
 
static int EDFSTAR_level_accept_guest_model(LEVEL l, TASK_MODEL *m)
{
#ifdef EDFSTAR_DEBUG
edfstar_printf("(E:laccg)");
#endif
 
if (m->pclass == JOB_PCLASS || m->pclass == (JOB_PCLASS | l))
return 0;
else
return -1;
}
 
 
static char *onoff(int i)
{
if (i)
return "On ";
else
return "Off";
}
 
static void EDFSTAR_level_status(LEVEL l)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
PID p = iq_query_first(&lev->ready);
struct timespec temp;
kern_printf("Budget number : %u\n", lev->budget);
kern_printf("Master level : %u\n", lev->scheduling_level);
kern_printf("Active PID : %u\n", lev->activated);
while (p != NIL) {
if ((proc_table[p].pclass) == JOB_PCLASS)
kern_printf("Pid: %2d (GUEST)\n", p);
else {
temp = *iq_query_timespec(p, &lev->ready);
kern_printf("Pid: %2d Name: %10s %s: %9ld Dline: %9ld.%6ld Stat: %s\n",
p,
proc_table[p].name,
"Period ",
lev->period[p],
temp.tv_sec,
temp.tv_nsec/1000,
EDFSTAR_status_to_a(proc_table[p].status));
p = iq_query_next(p, &lev->ready);
}
}
for (p=0; p<MAX_PROC; p++)
if (proc_table[p].task_level == l
&& proc_table[p].status != EDFSTAR_READY
&& proc_table[p].status != FREE ) {
temp = *iq_query_timespec(p, &lev->ready);
kern_printf("Pid: %2d Name: %10s %s: %9ld Dline: %9ld.%6ld Stat: %s\n",
p,
proc_table[p].name,
"Period ",
lev->period[p],
temp.tv_sec,
temp.tv_nsec/1000,
EDFSTAR_status_to_a(proc_table[p].status));
}
}
 
/* The scheduler only gets the first task in the queue */
static PID EDFSTAR_level_scheduler(LEVEL l)
{
//EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
return NIL;
}
 
static int EDFSTAR_task_create(LEVEL l, PID p, TASK_MODEL *m)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
/* if the EDFSTAR_task_create is called, then the pclass must be a
valid pclass. */
HARD_TASK_MODEL *h;
HARD_TASK_MODEL *h = (HARD_TASK_MODEL *)m;
 
if (m->pclass != HARD_PCLASS) return -1;
if (m->level != 0 && m->level != l) return -1;
h = (HARD_TASK_MODEL *)m;
if (!h->wcet || !h->mit || h->periodicity != PERIODIC) return -1;
/* now we know that m is a valid model */
 
 
#ifdef EDFSTAR_DEBUG
edfstar_printf("(E:tcr)");
#endif
264,19 → 363,23
return 0; /* OK, also if the task cannot be guaranteed... */
}
 
static void EDFSTAR_task_detach(LEVEL l, PID p)
{
#ifdef EDFSTAR_DEBUG
edfstar_printf2("(E:tdt)");
#endif
}
 
static int EDFSTAR_task_eligible(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
#ifdef EDFSTAR_DEBUG
edfstar_printf2("(E:eli)");
#endif
 
return level_table[ lev->scheduling_level ]->
private_eligible(lev->scheduling_level,p);
return 0; /* if the task p is chosen, it is always eligible */
}
 
static void EDFSTAR_public_dispatch(LEVEL l, PID p, int nostop)
static void EDFSTAR_task_dispatch(LEVEL l, PID p, int nostop)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
289,10 → 392,10
#endif
 
level_table[ lev->scheduling_level ]->
private_dispatch(lev->scheduling_level,p,nostop);
guest_dispatch(lev->scheduling_level,p,nostop);
}
 
static void EDFSTAR_public_epilogue(LEVEL l, PID p)
static void EDFSTAR_task_epilogue(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
314,15 → 417,14
#endif
 
level_table[ lev->scheduling_level ]->
private_epilogue(lev->scheduling_level,p);
guest_epilogue(lev->scheduling_level,p);
 
proc_table[p].status = EDFSTAR_READY;
}
 
static void EDFSTAR_public_activate(LEVEL l, PID p)
static void EDFSTAR_task_activate(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
struct timespec t;
 
#ifdef EDFSTAR_DEBUG
edfstar_printf("(E:act)");
336,9 → 438,9
return;
}
 
kern_gettime(&t);
ll_gettime(TIME_EXACT, &proc_table[p].request_time);
 
EDFSTAR_internal_activate(lev,p, &t);
EDFSTAR_internal_activate(lev,p);
 
/* Set the deadline timer */
lev->deadline_timer[p] = kern_event_post(&lev->deadline_timespec[p],
347,7 → 449,7
 
}
 
static void EDFSTAR_public_unblock(LEVEL l, PID p)
static void EDFSTAR_task_insert(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
363,7 → 465,7
EDFSTAR_check_preemption(lev);
}
 
static void EDFSTAR_public_block(LEVEL l, PID p)
static void EDFSTAR_task_extract(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
379,7 → 481,7
EDFSTAR_check_preemption(lev);
}
 
static int EDFSTAR_public_message(LEVEL l, PID p, void *m)
static void EDFSTAR_task_endcycle(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
struct timespec temp;
391,7 → 493,7
/* we call guest_end directly here because the same task may
be reinserted in the queue before calling the preemption check! */
level_table[ lev->scheduling_level ]->
private_extract(lev->scheduling_level,p);
guest_end(lev->scheduling_level,p);
lev->activated = NIL;
 
iq_extract(p,&lev->ready);
408,9 → 510,9
lev->nact[p]--;
 
/* see also EDFSTAR_timer_deadline */
kern_gettime(&temp);
ll_gettime(TIME_EXACT, &proc_table[p].request_time);
 
EDFSTAR_internal_activate(lev,p, &temp);
EDFSTAR_internal_activate(lev,p);
 
/* check if the deadline has already expired */
temp = *iq_query_timespec(p, &lev->ready);
417,7 → 519,7
if (TIMESPEC_A_LT_B(&temp, &schedule_time)) {
/* count the deadline miss */
lev->dline_miss[p]++;
kern_event_delete(lev->deadline_timer[p]);
event_delete(lev->deadline_timer[p]);
}
 
}
433,19 → 535,14
EDFSTAR_check_preemption(lev);
 
/* when the deadline timer fire, it recognize the situation and set
correctly all the stuffs (like reactivation, etc... ) */
correctly all the stuffs (like reactivation, request_time, etc... ) */
}
#ifdef EDFSTAR_DEBUG
edfstar_printf(")");
#endif
 
jet_update_endcycle(); /* Update the Jet data... */
trc_logevent(TRC_ENDCYCLE,&exec_shadow); /* tracer stuff */
 
return 0;
}
 
static void EDFSTAR_public_end(LEVEL l, PID p)
static void EDFSTAR_task_end(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
461,7 → 558,7
iq_insertfirst(p,&freedesc);
if (lev->deadline_timer[p] != -1) {
kern_event_delete(lev->deadline_timer[p]);
event_delete(lev->deadline_timer[p]);
}
 
/* and finally, a preemption check! (it will also call guest_end) */
468,22 → 565,18
EDFSTAR_check_preemption(lev);
}
 
static void EDFSTAR_task_sleep(LEVEL l, PID p)
{ kern_raise(XINVALID_TASK,exec_shadow); }
 
/* Guest Functions
These functions manages a JOB_TASK_MODEL, that is used to put
a guest task in the EDFSTAR ready queue. */
 
static void EDFSTAR_private_insert(LEVEL l, PID p, TASK_MODEL *m)
static int EDFSTAR_guest_create(LEVEL l, PID p, TASK_MODEL *m)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
JOB_TASK_MODEL *job;
JOB_TASK_MODEL *job = (JOB_TASK_MODEL *)m;
 
if (m->pclass != JOB_PCLASS || (m->level != 0 && m->level != l) ) {
kern_raise(XINVALID_TASK, p);
return;
}
 
job = (JOB_TASK_MODEL *)m;
 
/* if the EDFSTAR_guest_create is called, then the pclass must be a
valid pclass. */
 
496,15 → 589,47
 
if (job->noraiseexc)
lev->flag[p] = EDFSTAR_FLAG_NORAISEEXC;
else {
else
lev->flag[p] = 0;
lev->deadline_timer[p] = kern_event_post(iq_query_timespec(p, &lev->ready),
EDFSTAR_timer_guest_deadline,
(void *)p);
}
 
lev->period[p] = job->period;
 
/* there is no bandwidth guarantee at this level, it is performed
by the level that inserts guest tasks... */
 
return 0; /* OK, also if the task cannot be guaranteed... */
}
 
static void EDFSTAR_guest_detach(LEVEL l, PID p)
{
/* the EDFSTAR level doesn't introduce any dinamic allocated new field.
No guarantee is performed on guest tasks... so we don't have to reset
the NO_GUARANTEE FIELD */
}
 
static void EDFSTAR_guest_dispatch(LEVEL l, PID p, int nostop)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
level_table[ lev->scheduling_level ]->
guest_dispatch(lev->scheduling_level,p,nostop);
}
 
static void EDFSTAR_guest_epilogue(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
/* the task has been preempted. it returns into the ready queue... */
level_table[ lev->scheduling_level ]->
guest_epilogue(lev->scheduling_level,p);
 
proc_table[p].status = EDFSTAR_READY;
}
 
static void EDFSTAR_guest_activate(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
/* Insert task in the correct position */
iq_timespec_insert(p,&lev->ready);
proc_table[p].status = EDFSTAR_READY;
512,30 → 637,39
/* check for preemption */
EDFSTAR_check_preemption(lev);
 
/* there is no bandwidth guarantee at this level, it is performed
by the level that inserts guest tasks... */
/* Set the deadline timer */
if (!(lev->flag[p] & EDFSTAR_FLAG_NORAISEEXC))
lev->deadline_timer[p] = kern_event_post(iq_query_timespec(p, &lev->ready),
EDFSTAR_timer_guest_deadline,
(void *)p);
 
}
 
static void EDFSTAR_private_dispatch(LEVEL l, PID p, int nostop)
static void EDFSTAR_guest_insert(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
level_table[ lev->scheduling_level ]->
private_dispatch(lev->scheduling_level,p,nostop);
/* Insert task in the correct position */
iq_timespec_insert(p,&lev->ready);
proc_table[p].status = EDFSTAR_READY;
 
/* and check for preemption! */
EDFSTAR_check_preemption(lev);
}
 
static void EDFSTAR_private_epilogue(LEVEL l, PID p)
static void EDFSTAR_guest_extract(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
/* the task has been preempted. it returns into the ready queue... */
level_table[ lev->scheduling_level ]->
private_epilogue(lev->scheduling_level,p);
/* the task is blocked on a synchronization primitive. we have to
remove it from the master module -and- from the local queue! */
iq_extract(p,&lev->ready);
 
proc_table[p].status = EDFSTAR_READY;
/* and finally, a preemption check! (it will also call guest_end() */
EDFSTAR_check_preemption(lev);
}
 
static void EDFSTAR_private_extract(LEVEL l, PID p)
static void EDFSTAR_guest_end(LEVEL l, PID p)
{
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
550,7 → 684,7
#ifdef EDFSTAR_DEBUG
// kern_printf("EDFSTAR_guest_end: dline timer %d\n",lev->deadline_timer[p]);
#endif
kern_event_delete(lev->deadline_timer[p]);
event_delete(lev->deadline_timer[p]);
lev->deadline_timer[p] = NIL;
}
 
558,6 → 692,12
EDFSTAR_check_preemption(lev);
}
 
static void EDFSTAR_guest_endcycle(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
static void EDFSTAR_guest_sleep(LEVEL l, PID p)
{ kern_raise(XINVALID_GUEST,exec_shadow); }
 
/* Registration functions */
 
/* Registration function:
573,28 → 713,55
#endif
 
/* request an entry in the level_table */
l = level_alloc_descriptor(sizeof(EDFSTAR_level_des));
l = level_alloc_descriptor();
 
lev = (EDFSTAR_level_des *)level_table[l];
#ifdef EDFSTAR_DEBUG
printk(" alloco descrittore %d %d\n",l,(int)sizeof(EDFSTAR_level_des));
#endif
 
/* alloc the space needed for the EDFSTAR_level_des */
lev = (EDFSTAR_level_des *)kern_alloc(sizeof(EDFSTAR_level_des));
 
#ifdef EDFSTAR_DEBUG
printk(" lev=%d\n",(int)lev);
#endif
 
/* update the level_table with the new entry */
level_table[l] = (level_des *)lev;
 
/* fill the standard descriptor */
lev->l.private_insert = EDFSTAR_private_insert;
lev->l.private_extract = EDFSTAR_private_extract;
lev->l.private_dispatch = EDFSTAR_private_dispatch;
lev->l.private_epilogue = EDFSTAR_private_epilogue;
strncpy(lev->l.level_name, EDFSTAR_LEVELNAME, MAX_LEVELNAME);
lev->l.level_code = EDFSTAR_LEVEL_CODE;
lev->l.level_version = EDFSTAR_LEVEL_VERSION;
 
lev->l.public_guarantee = NULL;
lev->l.public_create = EDFSTAR_public_create;
lev->l.public_end = EDFSTAR_public_end;
lev->l.public_dispatch = EDFSTAR_public_dispatch;
lev->l.public_epilogue = EDFSTAR_public_epilogue;
lev->l.public_activate = EDFSTAR_public_activate;
lev->l.public_unblock = EDFSTAR_public_unblock;
lev->l.public_block = EDFSTAR_public_block;
lev->l.public_message = EDFSTAR_public_message;
lev->l.level_accept_task_model = EDFSTAR_level_accept_task_model;
lev->l.level_accept_guest_model = EDFSTAR_level_accept_guest_model;
lev->l.level_status = EDFSTAR_level_status;
lev->l.level_scheduler = EDFSTAR_level_scheduler;
lev->l.level_guarantee = NULL;
lev->l.task_create = EDFSTAR_task_create;
lev->l.task_detach = EDFSTAR_task_detach;
lev->l.task_eligible = EDFSTAR_task_eligible;
lev->l.task_dispatch = EDFSTAR_task_dispatch;
lev->l.task_epilogue = EDFSTAR_task_epilogue;
lev->l.task_activate = EDFSTAR_task_activate;
lev->l.task_insert = EDFSTAR_task_insert;
lev->l.task_extract = EDFSTAR_task_extract;
lev->l.task_endcycle = EDFSTAR_task_endcycle;
lev->l.task_end = EDFSTAR_task_end;
lev->l.task_sleep = EDFSTAR_task_sleep;
 
lev->l.guest_create = EDFSTAR_guest_create;
lev->l.guest_detach = EDFSTAR_guest_detach;
lev->l.guest_dispatch = EDFSTAR_guest_dispatch;
lev->l.guest_epilogue = EDFSTAR_guest_epilogue;
lev->l.guest_activate = EDFSTAR_guest_activate;
lev->l.guest_insert = EDFSTAR_guest_insert;
lev->l.guest_extract = EDFSTAR_guest_extract;
lev->l.guest_endcycle = EDFSTAR_guest_endcycle;
lev->l.guest_end = EDFSTAR_guest_end;
lev->l.guest_sleep = EDFSTAR_guest_sleep;
 
/* fill the EDFSTAR descriptor part */
for(i=0; i<MAX_PROC; i++) {
lev->period[i] = 0;
618,8 → 785,11
{
LEVEL l = proc_table[p].task_level;
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
return lev->dline_miss[p];
if (lev->l.level_code == EDFSTAR_LEVEL_CODE &&
lev->l.level_version == EDFSTAR_LEVEL_VERSION)
return lev->dline_miss[p];
else
return -1;
}
 
int EDFSTAR_get_wcet_miss(PID p)
626,8 → 796,11
{
LEVEL l = proc_table[p].task_level;
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
return lev->wcet_miss[p];
if (lev->l.level_code == EDFSTAR_LEVEL_CODE &&
lev->l.level_version == EDFSTAR_LEVEL_VERSION)
return lev->wcet_miss[p];
else
return -1;
}
 
int EDFSTAR_get_nact(PID p)
634,8 → 807,11
{
LEVEL l = proc_table[p].task_level;
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
return lev->nact[p];
if (lev->l.level_code == EDFSTAR_LEVEL_CODE &&
lev->l.level_version == EDFSTAR_LEVEL_VERSION)
return lev->nact[p];
else
return -1;
}
 
int EDFSTAR_reset_dline_miss(PID p)
642,9 → 818,14
{
LEVEL l = proc_table[p].task_level;
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
lev->dline_miss[p] = 0;
return 0;
if (lev->l.level_code == EDFSTAR_LEVEL_CODE &&
lev->l.level_version == EDFSTAR_LEVEL_VERSION)
{
lev->dline_miss[p] = 0;
return 0;
}
else
return -1;
}
 
int EDFSTAR_reset_wcet_miss(PID p)
651,8 → 832,13
{
LEVEL l = proc_table[p].task_level;
EDFSTAR_level_des *lev = (EDFSTAR_level_des *)(level_table[l]);
 
lev->wcet_miss[p] = 0;
return 0;
if (lev->l.level_code == EDFSTAR_LEVEL_CODE &&
lev->l.level_version == EDFSTAR_LEVEL_VERSION)
{
lev->wcet_miss[p] = 0;
return 0;
}
else
return -1;
}
 
/demos/trunk/first/test1.c
18,11 → 18,11
 
/*
------------
CVS : $Id: test1.c,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: test1.c,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
this test shows a set of 5 tasks (+main+dummy+keyboard driver).
120,6 → 120,7
//keyb_def_ctrlC(kparms, NULL);
//keyb_def_map(kparms,itaMap);
KEYB_init(&kparms);
 
__call_main__(mb);
 
return (void *)0;
228,9 → 229,11
{
char c;
 
set_exchandler_grx();
 
clear();
 
cprintf("Hello, world!\nPress ESC to end the demo...\n");
cprintf("Hello, world!");
 
create1();
 
/demos/trunk/first/test2.c
18,11 → 18,11
 
/*
------------
CVS : $Id: test2.c,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: test2.c,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
The purpose of this test is to show that two budgets with different
224,6 → 224,8
{
char c;
 
set_exchandler_grx();
 
cprintf("Hello, world!");
 
create1();
/demos/trunk/first/test3.c
18,11 → 18,11
 
/*
------------
CVS : $Id: test3.c,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: test3.c,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
The purpose of this test is to show that two budgets with different
199,6 → 199,8
{
KEY_EVT k;
 
set_exchandler_grx();
 
sem_init(&s,0,1);
 
k.flag = 0;
/demos/trunk/first/test4.c
18,11 → 18,11
 
/*
------------
CVS : $Id: test4.c,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: test4.c,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
The purpose of this test is to show that two budgets with different
217,6 → 217,8
{
KEY_EVT k;
 
set_exchandler_grx();
 
sem_init(&s,0,1);
 
k.flag = 0;
/demos/trunk/first/test5.c
18,11 → 18,11
 
/*
------------
CVS : $Id: test5.c,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: test5.c,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
The purpose of this test is to show that two budgets with different
234,6 → 234,8
{
KEY_EVT k;
 
set_exchandler_grx();
 
sem_init(&s,0,1);
 
k.flag = 0;
/demos/trunk/first/test6.c
18,11 → 18,11
 
/*
------------
CVS : $Id: test6.c,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: test6.c,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
this test shows a set of 5 tasks (+main+dummy+keyboard driver).
229,6 → 229,8
{
char c;
 
set_exchandler_grx();
 
clear();
 
cprintf("Hello, world!");
/demos/trunk/first/rmstar.h
20,11 → 20,11
 
/**
------------
CVS : $Id: rmstar.h,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: rmstar.h,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
Title:
92,6 → 92,7
#include <kernel/config.h>
#include <sys/types.h>
#include <kernel/types.h>
#include <modules/codes.h>
 
 
 
/demos/trunk/first/edfstar.h
20,11 → 20,11
 
/**
------------
CVS : $Id: edfstar.h,v 1.2 2003-01-07 17:10:17 pj Exp $
CVS : $Id: edfstar.h,v 1.1 2002-09-02 10:29:30 pj Exp $
 
File: $File$
Revision: $Revision: 1.2 $
Last update: $Date: 2003-01-07 17:10:17 $
Revision: $Revision: 1.1 $
Last update: $Date: 2002-09-02 10:29:30 $
------------
 
Title:
102,6 → 102,7
#include <kernel/config.h>
#include <sys/types.h>
#include <kernel/types.h>
#include <modules/codes.h>