diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2006-12-12 18:10:00 -0500 |
---|---|---|
committer | Gabe Black <gblack@eecs.umich.edu> | 2006-12-12 18:10:00 -0500 |
commit | 90907f6b3cc79ec3e4bac2af7ef506672bab91e1 (patch) | |
tree | c089d7170e29e6829e420268ece72c0eeab0e820 /src/cpu/ozone/cpu.hh | |
parent | 498e235ae0612d268001f813de6031fcdfc76de7 (diff) | |
parent | 6c8c86f2f97913788237f763d4810ab12730ca60 (diff) | |
download | gem5-90907f6b3cc79ec3e4bac2af7ef506672bab91e1.tar.xz |
Merge zizzer:/bk/newmem/
into zower.eecs.umich.edu:/eecshome/m5/newmem
--HG--
extra : convert_revision : 17d6c49ee15af5d192dedf82871159219d4277cd
Diffstat (limited to 'src/cpu/ozone/cpu.hh')
-rw-r--r-- | src/cpu/ozone/cpu.hh | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/src/cpu/ozone/cpu.hh b/src/cpu/ozone/cpu.hh index c1373944d..0da446c9c 100644 --- a/src/cpu/ozone/cpu.hh +++ b/src/cpu/ozone/cpu.hh @@ -448,30 +448,6 @@ class OzoneCPU : public BaseCPU } #endif - /** Old CPU read from memory function. No longer used. */ - template <class T> - Fault read(Request *req, T &data) - { -#if 0 -#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 - if (req->isLocked()) { - lockAddrList.insert(req->paddr); - lockFlag = true; - } -#endif - Fault error; - - error = this->mem->read(req, data); - data = gtoh(data); - return error; - } - - /** CPU read function, forwards read to LSQ. */ template <class T> Fault read(Request *req, T &data, int load_idx) @@ -479,81 +455,6 @@ class OzoneCPU : public BaseCPU return backEnd->read(req, data, load_idx); } - /** Old CPU write to memory function. No longer used. */ - template <class T> - Fault write(Request *req, T &data) - { -#if 0 -#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 < this->system->threadContexts.size(); i++){ - xc = this->system->threadContexts[i]; - if ((xc->readMiscReg(TheISA::Lock_Addr_DepTag) & ~0xf) == - (req->paddr & ~0xf)) { - xc->setMiscReg(TheISA::Lock_Flag_DepTag, false); - } - } - -#endif - - if (req->isLocked()) { - if (req->isUncacheable()) { - req->result = 2; - } else { - if (this->lockFlag) { - if (lockAddrList.find(req->paddr) != - lockAddrList.end()) { - req->result = 1; - } else { - req->result = 0; - return NoFault; - } - } else { - req->result = 0; - return NoFault; - } - } - } -#endif - - return this->mem->write(req, (T)htog(data)); - } - /** CPU write function, forwards write to LSQ. */ template <class T> Fault write(Request *req, T &data, int store_idx) |