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Diffstat (limited to 'src/cpu/inorder/resources/decode_unit.cc')
| -rw-r--r-- | src/cpu/inorder/resources/decode_unit.cc | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/src/cpu/inorder/resources/decode_unit.cc b/src/cpu/inorder/resources/decode_unit.cc deleted file mode 100644 index 7b7eccd0a..000000000 --- a/src/cpu/inorder/resources/decode_unit.cc +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2007 MIPS Technologies, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Korey Sewell - * - */ - -#include "config/the_isa.hh" -#include "cpu/inorder/resources/decode_unit.hh" -#include "debug/InOrderDecode.hh" -#include "debug/InOrderStall.hh" -#include "debug/Resource.hh" - -using namespace TheISA; -using namespace ThePipeline; -using namespace std; - -DecodeUnit::DecodeUnit(std::string res_name, int res_id, int res_width, - Cycles res_latency, InOrderCPU *_cpu, - ThePipeline::Params *params) - : Resource(res_name, res_id, res_width, res_latency, _cpu) -{ - for (ThreadID tid = 0; tid < MaxThreads; tid++) { - regDepMap[tid] = &cpu->archRegDepMap[tid]; - } -} - -void -DecodeUnit::execute(int slot_num) -{ - ResourceRequest* decode_req = reqs[slot_num]; - DynInstPtr inst = reqs[slot_num]->inst; - - switch (decode_req->cmd) - { - case DecodeInst: - { - - if (inst->fault != NoFault) { - inst->setBackSked(cpu->faultSked); - DPRINTF(InOrderDecode,"[tid:%i]: Fault found for instruction [sn:%i]\n", - inst->readTid(), inst->seqNum); - } else { - assert(!inst->staticInst->isMacroop()); - inst->setBackSked(cpu->createBackEndSked(inst)); - DPRINTF(InOrderDecode,"Decoded instruction [sn:%i]: %s : 0x%x\n", - inst->seqNum, inst->instName(), - inst->staticInst->machInst); - } - - if (inst->backSked != NULL) { - DPRINTF(InOrderDecode, - "[tid:%i]: Back End Schedule created for %s [sn:%i].\n", - inst->readTid(), inst->instName(), inst->seqNum); - decode_req->done(); - } else { - DPRINTF(Resource, - "[tid:%i] Static Inst not available to decode.\n", - inst->readTid()); - DPRINTF(Resource, - "Unable to create schedule for instruction [sn:%i] \n", - inst->seqNum); - DPRINTF(InOrderStall, "STALL: \n"); - decode_req->done(false); - } - } - break; - - default: - fatal("Unrecognized command to %s", resName); - } -} - |