static int
elf_loadnotes(struct lwp *lp, prpsinfo_t *psinfo, prstatus_t *status,
prfpregset_t *fpregset, prsavetls_t *tls)
{
struct proc *p = lp->lwp_proc;
//struct lwp *nlp;
int error;
/* validate status and psinfo */
TRACE_ENTER;
if (status->pr_version != PRSTATUS_VERSION ||
status->pr_statussz != sizeof(prstatus_t) ||
status->pr_gregsetsz != sizeof(gregset_t) ||
status->pr_fpregsetsz != sizeof(fpregset_t) ||
psinfo->pr_version != PRPSINFO_VERSION ||
psinfo->pr_psinfosz != sizeof(prpsinfo_t)) {
PRINTF(("status check failed\n"));
error = EINVAL;
goto done;
}
/* XXX lwp handle more than one lwp*/
/* XXX restore each thread */
if ((error = set_regs(lp, &status->pr_reg)) != 0)
goto done;
error = set_fpregs(lp, fpregset);
/* XXX SJG */
kprintf("Avem la load %i\n", p->p_nthreads);
kprintf("xxx: restoring TLS-fu\n");
bcopy(tls, &lp->lwp_thread->td_tls, sizeof *tls);
// crit_enter();
// set_user_TLS();
// crit_exit();
/* Try to recreate another thread */
#if 0
kprintf("xxx restoring a second thread\n");
status++; fpregset++; tls++;
// create new thread
lwp_rb_tree_RB_INSERT(&p->p_lwp_tree, nlp);
//nlp->lwp_cpumask = (cpumask_t)-1;
//nlp->lwp_thread ?
p->p_nthreads++;
p->p_lasttid++;
nlp->lwp_proc = p;
// append stored info
if ((error = set_regs(nlp, &status->pr_reg)) != 0)
goto done;
error = set_fpregs(nlp, fpregset);
bcopy(tls, &nlp->lwp_thread->td_tls, sizeof *tls);
#endif
strlcpy(p->p_comm, psinfo->pr_fname, sizeof(p->p_comm));
/* XXX psinfo->pr_psargs not yet implemented */
done:
TRACE_EXIT;
return error;
}
/*
* Callbacks from machine-dependant startup code (e.g. init386) to set
* up low level entities related to cpu #0's globaldata.
*
* Called from very low level boot code.
*/
void
mi_proc0init(struct globaldata *gd, struct user *proc0paddr)
{
lwkt_init_thread(&thread0, proc0paddr, LWKT_THREAD_STACK, 0, gd);
lwkt_set_comm(&thread0, "thread0");
RB_INIT(&proc0.p_lwp_tree);
spin_init(&proc0.p_spin);
lwkt_token_init(&proc0.p_token, "iproc");
proc0.p_lasttid = 0; /* +1 = next TID */
lwp_rb_tree_RB_INSERT(&proc0.p_lwp_tree, &lwp0);
lwp0.lwp_thread = &thread0;
lwp0.lwp_proc = &proc0;
proc0.p_usched = usched_init();
lwp0.lwp_cpumask = (cpumask_t)-1;
varsymset_init(&proc0.p_varsymset, NULL);
thread0.td_flags |= TDF_RUNNING;
thread0.td_proc = &proc0;
thread0.td_lwp = &lwp0;
thread0.td_switch = cpu_lwkt_switch;
lwkt_schedule_self(curthread);
}
