void
platform_probe_and_attach(void)
{
platform_def_t **platpp, *platp;
int prio, best_prio;
plat_obj = &plat_kernel_obj;
best_prio = 0;
/*
* We are unable to use TUNABLE_STR as the read will happen
* well after this function has returned.
*/
TUNABLE_STR_FETCH("hw.platform", plat_name, sizeof(plat_name));
/*
* Try to locate the best platform kobj
*/
SET_FOREACH(platpp, platform_set) {
platp = *platpp;
/*
* Take care of compiling the selected class, and
* then statically initialise the MMU object
*/
kobj_class_compile_static((kobj_class_t)platp,
&plat_kernel_kops);
kobj_init_static((kobj_t)plat_obj, (kobj_class_t)platp);
plat_obj->cls = platp;
prio = PLATFORM_PROBE(plat_obj);
/* Check for errors */
if (prio > 0)
continue;
/*
* Check if this module was specifically requested through
* the loader tunable we provide.
*/
if (strcmp(platp->name,plat_name) == 0) {
plat_def_impl = platp;
break;
}
/* Otherwise, see if it is better than our current best */
if (plat_def_impl == NULL || prio > best_prio) {
best_prio = prio;
plat_def_impl = platp;
}
/*
* We can't free the KOBJ, since it is static. Reset the ops
* member of this class so that we can come back later.
*/
platp->ops = NULL;
}
void
platform_probe_and_attach()
{
platform_def_t **platpp, *platp;
int prio, best_prio;
plat_obj = &plat_kernel_obj;
best_prio = 0;
/*
* Try to locate the best platform kobj
*/
SET_FOREACH(platpp, platform_set) {
platp = *platpp;
/*
* Take care of compiling the selected class, and
* then statically initialise the MMU object
*/
kobj_class_compile_static(platp, &plat_kernel_kops);
kobj_init((kobj_t)plat_obj, platp);
prio = PLATFORM_PROBE(plat_obj);
/* Check for errors */
if (prio > 0)
continue;
/*
* Check if this module was specifically requested through
* the loader tunable we provide.
*/
if (strcmp(platp->name,plat_name) == 0) {
plat_def_impl = platp;
break;
}
/* Otherwise, see if it is better than our current best */
if (plat_def_impl == NULL || prio > best_prio) {
best_prio = prio;
plat_def_impl = platp;
}
/*
* We can't free the KOBJ, since it is static. Luckily,
* this has no ill effects since it gets reset every time.
*/
}
