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author | Steve Reinhardt <stever@eecs.umich.edu> | 2006-12-12 02:21:03 -0500 |
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committer | Steve Reinhardt <stever@eecs.umich.edu> | 2006-12-12 02:21:03 -0500 |
commit | cdc3e5bc22369166eb4c616e8512324d60b6a20e (patch) | |
tree | 88c881a70fcbda63a50f90d06186ad8e0684f78e /src/cpu/ozone/inorder_back_end.hh | |
parent | 34924ce3b82ec19322990c721369b08ddfd3df8a (diff) | |
download | gem5-cdc3e5bc22369166eb4c616e8512324d60b6a20e.tar.xz |
Get rid of unused lock code.
--HG--
extra : convert_revision : a8030132268662ca54f487b8d32d09ba224317a8
Diffstat (limited to 'src/cpu/ozone/inorder_back_end.hh')
-rw-r--r-- | src/cpu/ozone/inorder_back_end.hh | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/cpu/ozone/inorder_back_end.hh b/src/cpu/ozone/inorder_back_end.hh index b2522bdc8..4fd8e02f8 100644 --- a/src/cpu/ozone/inorder_back_end.hh +++ b/src/cpu/ozone/inorder_back_end.hh @@ -236,25 +236,6 @@ InorderBackEnd<Impl>::read(Addr addr, T &data, unsigned flags) */ return fault; } -#if 0 -template <class Impl> -template <class T> -Fault -InorderBackEnd<Impl>::read(MemReqPtr &req, T &data) -{ -#if FULL_SYSTEM && defined(TARGET_ALPHA) - if (req->isLocked()) { - req->xc->setMiscReg(TheISA::Lock_Addr_DepTag, req->paddr); - req->xc->setMiscReg(TheISA::Lock_Flag_DepTag, true); - } -#endif - - Fault error; - error = thread->mem->read(req, data); - data = LittleEndianGuest::gtoh(data); - return error; -} -#endif template <class Impl> template <class T> @@ -296,61 +277,6 @@ InorderBackEnd<Impl>::write(T data, Addr addr, unsigned flags, uint64_t *res) */ return fault; } -#if 0 -template <class Impl> -template <class T> -Fault -InorderBackEnd<Impl>::write(MemReqPtr &req, T &data) -{ -#if FULL_SYSTEM && defined(TARGET_ALPHA) - 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 < cpu->system->execContexts.size(); i++){ - xc = cpu->system->execContexts[i]; - if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) == - (req->paddr & ~0xf)) { - xc->setMiscReg(TheISA::Lock_Flag_DepTag, false); - } - } - -#endif - return thread->mem->write(req, (T)LittleEndianGuest::htog(data)); -} -#endif template <class Impl> template <class T> |