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Get rid of unused lock code.

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--HG--
extra : convert_revision : a8030132268662ca54f487b8d32d09ba224317a8
This commit is contained in:
Steve Reinhardt
2006-12-12 02:21:03 -05:00
parent 34924ce3b8
commit cdc3e5bc22
3 changed files with 0 additions and 242 deletions
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69
src/cpu/simple_thread.hh
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@@ -232,75 +232,6 @@ class SimpleThread : public ThreadState
/// Set the status to Halted.
void halt();
/*
template <class T>
Fault read(RequestPtr &req, T &data)
{
#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
if (req->isLocked()) {
req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr);
req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true);
}
#endif
Fault error;
error = mem->prot_read(req->paddr, data, req->size);
data = LittleEndianGuest::gtoh(data);
return error;
}
template <class T>
Fault write(RequestPtr &req, T &data)
{
#if FULL_SYSTEM && THE_ISA == ALPHA_ISA
ExecContext *xc;
// If this is a store conditional, act appropriately
if (req->isLocked()) {
xc = req->xc;
if (req->isUncacheable()) {
// Don't update result register (see stq_c in isa_desc)
req->result = 2;
xc->setStCondFailures(0);//Needed? [RGD]
} else {
bool lock_flag = xc->readMiscReg(TheISA::Lock_Flag_DepTag);
Addr lock_addr = xc->readMiscReg(TheISA::Lock_Addr_DepTag);
req->result = lock_flag;
if (!lock_flag ||
((lock_addr & ~0xf) != (req->paddr & ~0xf))) {
xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
xc->setStCondFailures(xc->readStCondFailures() + 1);
if (((xc->readStCondFailures()) % 100000) == 0) {
std::cerr << "Warning: "
<< xc->readStCondFailures()
<< " consecutive store conditional failures "
<< "on cpu " << req->xc->readCpuId()
<< std::endl;
}
return NoFault;
}
else xc->setStCondFailures(0);
}
}
// Need to clear any locked flags on other proccessors for
// this address. Only do this for succsful Store Conditionals
// and all other stores (WH64?). Unsuccessful Store
// Conditionals would have returned above, and wouldn't fall
// through.
for (int i = 0; i < system->execContexts.size(); i++){
xc = system->execContexts[i];
if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) ==
(req->paddr & ~0xf)) {
xc->setMiscReg(TheISA::Lock_Flag_DepTag, false);
}
}
#endif
return mem->prot_write(req->paddr, (T)htog(data), req->size);
}
*/
virtual bool misspeculating();
Fault instRead(RequestPtr &req)