#include "cpu/beta_cpu/ras.hh"
ReturnAddrStack::ReturnAddrStack(unsigned _numEntries)
: numEntries(_numEntries), usedEntries(0),
tos(0)
{
addrStack = new Addr[numEntries];
for (int i = 0; i < numEntries; ++i)
addrStack[i] = 0;
}
void
ReturnAddrStack::push(const Addr &return_addr)
incrTos();
addrStack[tos] = return_addr;
if (usedEntries != numEntries) {
++usedEntries;
ReturnAddrStack::pop()
// Not sure it's possible to really track usedEntries properly.
// assert(usedEntries > 0);
if (usedEntries > 0) {
--usedEntries;
decrTos();
ReturnAddrStack::restore(unsigned top_entry_idx,
const Addr &restored_target)
tos = top_entry_idx;
addrStack[tos] = restored_target;