int gru_get_cb_exception_detail(void *cb,
struct control_block_extended_exc_detail *excdet)
{
struct gru_control_block_extended *cbe;
cbe = get_cbe(GRUBASE(cb), get_cb_number(cb));
prefetchw(cbe); /* Harmless on hardware, required for emulator */
excdet->opc = cbe->opccpy;
excdet->exopc = cbe->exopccpy;
excdet->ecause = cbe->ecause;
excdet->exceptdet0 = cbe->idef1upd;
excdet->exceptdet1 = cbe->idef3upd;
return 0;
}
/*----------------------------------------------------------------------*/
int gru_get_cb_exception_detail(void *cb,
struct control_block_extended_exc_detail *excdet)
{
struct gru_control_block_extended *cbe;
struct gru_blade_state *bs;
int cbrnum;
bs = KCB_TO_BS(cb);
cbrnum = thread_cbr_number(bs->bs_kgts, get_cb_number(cb));
cbe = get_cbe(GRUBASE(cb), cbrnum);
gru_flush_cache(cbe); /* CBE not coherent */
excdet->opc = cbe->opccpy;
excdet->exopc = cbe->exopccpy;
excdet->ecause = cbe->ecause;
excdet->exceptdet0 = cbe->idef1upd;
excdet->exceptdet1 = cbe->idef3upd;
gru_flush_cache(cbe);
return 0;
}
/*----------------------------------------------------------------------*/
int gru_get_cb_exception_detail(void *cb,
struct control_block_extended_exc_detail *excdet)
{
struct gru_control_block_extended *cbe;
struct gru_thread_state *kgts = NULL;
unsigned long off;
int cbrnum, bid;
/*
* Locate kgts for cb. This algorithm is SLOW but
* this function is rarely called (ie., almost never).
* Performance does not matter.
*/
for_each_possible_blade(bid) {
if (!gru_base[bid])
break;
kgts = gru_base[bid]->bs_kgts;
if (!kgts || !kgts->ts_gru)
continue;
off = cb - kgts->ts_gru->gs_gru_base_vaddr;
if (off < GRU_SIZE)
break;
kgts = NULL;
}
BUG_ON(!kgts);
cbrnum = thread_cbr_number(kgts, get_cb_number(cb));
cbe = get_cbe(GRUBASE(cb), cbrnum);
gru_flush_cache(cbe); /* CBE not coherent */
sync_core();
excdet->opc = cbe->opccpy;
excdet->exopc = cbe->exopccpy;
excdet->ecause = cbe->ecause;
excdet->exceptdet0 = cbe->idef1upd;
excdet->exceptdet1 = cbe->idef3upd;
gru_flush_cache(cbe);
return 0;
}
int gru_get_cb_exception_detail(void *cb,
struct control_block_extended_exc_detail *excdet)
{
struct gru_control_block_extended *cbe;
struct gru_thread_state *kgts = NULL;
unsigned long off;
int cbrnum, bid;
/*
*/
for_each_possible_blade(bid) {
if (!gru_base[bid])
break;
kgts = gru_base[bid]->bs_kgts;
if (!kgts || !kgts->ts_gru)
continue;
off = cb - kgts->ts_gru->gs_gru_base_vaddr;
if (off < GRU_SIZE)
break;
kgts = NULL;
}
BUG_ON(!kgts);
cbrnum = thread_cbr_number(kgts, get_cb_number(cb));
cbe = get_cbe(GRUBASE(cb), cbrnum);
gru_flush_cache(cbe); /* */
sync_core();
excdet->opc = cbe->opccpy;
excdet->exopc = cbe->exopccpy;
excdet->ecause = cbe->ecause;
excdet->exceptdet0 = cbe->idef1upd;
excdet->exceptdet1 = cbe->idef3upd;
gru_flush_cache(cbe);
return 0;
}
