diff options
author | Nathan Binkert <binkertn@umich.edu> | 2005-06-04 20:50:10 -0400 |
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committer | Nathan Binkert <binkertn@umich.edu> | 2005-06-04 20:50:10 -0400 |
commit | 13c005a8af79a8481879ce099b45a1f98faae165 (patch) | |
tree | 3125dfe10539270433981b39119dd727295c255c /cpu/base_cpu.cc | |
parent | 5a94e6f2cc6ed8480063da68d20274ced2930925 (diff) | |
download | gem5-13c005a8af79a8481879ce099b45a1f98faae165.tar.xz |
shuffle files around for new directory structure
--HG--
rename : cpu/base_cpu.cc => cpu/base.cc
rename : cpu/base_cpu.hh => cpu/base.hh
rename : cpu/beta_cpu/2bit_local_pred.cc => cpu/o3/2bit_local_pred.cc
rename : cpu/beta_cpu/2bit_local_pred.hh => cpu/o3/2bit_local_pred.hh
rename : cpu/beta_cpu/alpha_full_cpu.cc => cpu/o3/alpha_cpu.cc
rename : cpu/beta_cpu/alpha_full_cpu.hh => cpu/o3/alpha_cpu.hh
rename : cpu/beta_cpu/alpha_full_cpu_builder.cc => cpu/o3/alpha_cpu_builder.cc
rename : cpu/beta_cpu/alpha_full_cpu_impl.hh => cpu/o3/alpha_cpu_impl.hh
rename : cpu/beta_cpu/alpha_dyn_inst.cc => cpu/o3/alpha_dyn_inst.cc
rename : cpu/beta_cpu/alpha_dyn_inst.hh => cpu/o3/alpha_dyn_inst.hh
rename : cpu/beta_cpu/alpha_dyn_inst_impl.hh => cpu/o3/alpha_dyn_inst_impl.hh
rename : cpu/beta_cpu/alpha_impl.hh => cpu/o3/alpha_impl.hh
rename : cpu/beta_cpu/alpha_params.hh => cpu/o3/alpha_params.hh
rename : cpu/beta_cpu/bpred_unit.cc => cpu/o3/bpred_unit.cc
rename : cpu/beta_cpu/bpred_unit.hh => cpu/o3/bpred_unit.hh
rename : cpu/beta_cpu/bpred_unit_impl.hh => cpu/o3/bpred_unit_impl.hh
rename : cpu/beta_cpu/btb.cc => cpu/o3/btb.cc
rename : cpu/beta_cpu/btb.hh => cpu/o3/btb.hh
rename : cpu/beta_cpu/comm.hh => cpu/o3/comm.hh
rename : cpu/beta_cpu/commit.cc => cpu/o3/commit.cc
rename : cpu/beta_cpu/commit.hh => cpu/o3/commit.hh
rename : cpu/beta_cpu/commit_impl.hh => cpu/o3/commit_impl.hh
rename : cpu/beta_cpu/full_cpu.cc => cpu/o3/cpu.cc
rename : cpu/beta_cpu/full_cpu.hh => cpu/o3/cpu.hh
rename : cpu/beta_cpu/cpu_policy.hh => cpu/o3/cpu_policy.hh
rename : cpu/beta_cpu/decode.cc => cpu/o3/decode.cc
rename : cpu/beta_cpu/decode.hh => cpu/o3/decode.hh
rename : cpu/beta_cpu/decode_impl.hh => cpu/o3/decode_impl.hh
rename : cpu/beta_cpu/fetch.cc => cpu/o3/fetch.cc
rename : cpu/beta_cpu/fetch.hh => cpu/o3/fetch.hh
rename : cpu/beta_cpu/fetch_impl.hh => cpu/o3/fetch_impl.hh
rename : cpu/beta_cpu/free_list.cc => cpu/o3/free_list.cc
rename : cpu/beta_cpu/free_list.hh => cpu/o3/free_list.hh
rename : cpu/beta_cpu/iew.cc => cpu/o3/iew.cc
rename : cpu/beta_cpu/iew.hh => cpu/o3/iew.hh
rename : cpu/beta_cpu/iew_impl.hh => cpu/o3/iew_impl.hh
rename : cpu/beta_cpu/inst_queue.cc => cpu/o3/inst_queue.cc
rename : cpu/beta_cpu/inst_queue.hh => cpu/o3/inst_queue.hh
rename : cpu/beta_cpu/inst_queue_impl.hh => cpu/o3/inst_queue_impl.hh
rename : cpu/beta_cpu/mem_dep_unit.cc => cpu/o3/mem_dep_unit.cc
rename : cpu/beta_cpu/mem_dep_unit.hh => cpu/o3/mem_dep_unit.hh
rename : cpu/beta_cpu/mem_dep_unit_impl.hh => cpu/o3/mem_dep_unit_impl.hh
rename : cpu/beta_cpu/ras.cc => cpu/o3/ras.cc
rename : cpu/beta_cpu/ras.hh => cpu/o3/ras.hh
rename : cpu/beta_cpu/regfile.hh => cpu/o3/regfile.hh
rename : cpu/beta_cpu/rename.cc => cpu/o3/rename.cc
rename : cpu/beta_cpu/rename.hh => cpu/o3/rename.hh
rename : cpu/beta_cpu/rename_impl.hh => cpu/o3/rename_impl.hh
rename : cpu/beta_cpu/rename_map.cc => cpu/o3/rename_map.cc
rename : cpu/beta_cpu/rename_map.hh => cpu/o3/rename_map.hh
rename : cpu/beta_cpu/rob.cc => cpu/o3/rob.cc
rename : cpu/beta_cpu/rob.hh => cpu/o3/rob.hh
rename : cpu/beta_cpu/rob_impl.hh => cpu/o3/rob_impl.hh
rename : cpu/beta_cpu/sat_counter.cc => cpu/o3/sat_counter.cc
rename : cpu/beta_cpu/sat_counter.hh => cpu/o3/sat_counter.hh
rename : cpu/beta_cpu/store_set.cc => cpu/o3/store_set.cc
rename : cpu/beta_cpu/store_set.hh => cpu/o3/store_set.hh
rename : cpu/beta_cpu/tournament_pred.cc => cpu/o3/tournament_pred.cc
rename : cpu/beta_cpu/tournament_pred.hh => cpu/o3/tournament_pred.hh
rename : cpu/ooo_cpu/ooo_cpu.cc => cpu/ozone/cpu.cc
rename : cpu/ooo_cpu/ooo_cpu.hh => cpu/ozone/cpu.hh
rename : cpu/ooo_cpu/ooo_impl.hh => cpu/ozone/cpu_impl.hh
rename : cpu/ooo_cpu/ea_list.cc => cpu/ozone/ea_list.cc
rename : cpu/ooo_cpu/ea_list.hh => cpu/ozone/ea_list.hh
rename : cpu/simple_cpu/simple_cpu.cc => cpu/simple/cpu.cc
rename : cpu/simple_cpu/simple_cpu.hh => cpu/simple/cpu.hh
rename : cpu/full_cpu/smt.hh => cpu/smt.hh
rename : cpu/full_cpu/op_class.hh => encumbered/cpu/full/op_class.hh
extra : convert_revision : c4a891d8d6d3e0e9e5ea56be47d851da44d8c032
Diffstat (limited to 'cpu/base_cpu.cc')
-rw-r--r-- | cpu/base_cpu.cc | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/cpu/base_cpu.cc b/cpu/base_cpu.cc deleted file mode 100644 index fd91749f7..000000000 --- a/cpu/base_cpu.cc +++ /dev/null @@ -1,325 +0,0 @@ -/* - * Copyright (c) 2002-2004 The Regents of The University of Michigan - * 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. - */ - -#include <iostream> -#include <string> -#include <sstream> - -#include "base/cprintf.hh" -#include "base/loader/symtab.hh" -#include "base/misc.hh" -#include "base/output.hh" -#include "cpu/base_cpu.hh" -#include "cpu/exec_context.hh" -#include "cpu/sampling_cpu/sampling_cpu.hh" -#include "sim/param.hh" -#include "sim/sim_events.hh" - -#include "base/trace.hh" - -using namespace std; - -vector<BaseCPU *> BaseCPU::cpuList; - -// This variable reflects the max number of threads in any CPU. Be -// careful to only use it once all the CPUs that you care about have -// been initialized -int maxThreadsPerCPU = 1; - -#ifdef FULL_SYSTEM -BaseCPU::BaseCPU(Params *p) - : SimObject(p->name), clock(p->clock), checkInterrupts(true), - params(p), number_of_threads(p->numberOfThreads), system(p->system) -#else -BaseCPU::BaseCPU(Params *p) - : SimObject(p->name), clock(p->clock), params(p), - number_of_threads(p->numberOfThreads) -#endif -{ - DPRINTF(FullCPU, "BaseCPU: Creating object, mem address %#x.\n", this); - - // add self to global list of CPUs - cpuList.push_back(this); - - DPRINTF(FullCPU, "BaseCPU: CPU added to cpuList, mem address %#x.\n", - this); - - if (number_of_threads > maxThreadsPerCPU) - maxThreadsPerCPU = number_of_threads; - - // allocate per-thread instruction-based event queues - comInstEventQueue = new EventQueue *[number_of_threads]; - for (int i = 0; i < number_of_threads; ++i) - comInstEventQueue[i] = new EventQueue("instruction-based event queue"); - - // - // set up instruction-count-based termination events, if any - // - if (p->max_insts_any_thread != 0) - for (int i = 0; i < number_of_threads; ++i) - new SimExitEvent(comInstEventQueue[i], p->max_insts_any_thread, - "a thread reached the max instruction count"); - - if (p->max_insts_all_threads != 0) { - // allocate & initialize shared downcounter: each event will - // decrement this when triggered; simulation will terminate - // when counter reaches 0 - int *counter = new int; - *counter = number_of_threads; - for (int i = 0; i < number_of_threads; ++i) - new CountedExitEvent(comInstEventQueue[i], - "all threads reached the max instruction count", - p->max_insts_all_threads, *counter); - } - - // allocate per-thread load-based event queues - comLoadEventQueue = new EventQueue *[number_of_threads]; - for (int i = 0; i < number_of_threads; ++i) - comLoadEventQueue[i] = new EventQueue("load-based event queue"); - - // - // set up instruction-count-based termination events, if any - // - if (p->max_loads_any_thread != 0) - for (int i = 0; i < number_of_threads; ++i) - new SimExitEvent(comLoadEventQueue[i], p->max_loads_any_thread, - "a thread reached the max load count"); - - if (p->max_loads_all_threads != 0) { - // allocate & initialize shared downcounter: each event will - // decrement this when triggered; simulation will terminate - // when counter reaches 0 - int *counter = new int; - *counter = number_of_threads; - for (int i = 0; i < number_of_threads; ++i) - new CountedExitEvent(comLoadEventQueue[i], - "all threads reached the max load count", - p->max_loads_all_threads, *counter); - } - -#ifdef FULL_SYSTEM - memset(interrupts, 0, sizeof(interrupts)); - intstatus = 0; -#endif - - functionTracingEnabled = false; - if (p->functionTrace) { - functionTraceStream = simout.find(csprintf("ftrace.%s", name())); - currentFunctionStart = currentFunctionEnd = 0; - functionEntryTick = p->functionTraceStart; - - if (p->functionTraceStart == 0) { - functionTracingEnabled = true; - } else { - Event *e = - new EventWrapper<BaseCPU, &BaseCPU::enableFunctionTrace>(this, - true); - e->schedule(p->functionTraceStart); - } - } -} - - -void -BaseCPU::enableFunctionTrace() -{ - functionTracingEnabled = true; -} - -BaseCPU::~BaseCPU() -{ -} - -void -BaseCPU::init() -{ - if (!params->deferRegistration) - registerExecContexts(); -} - -void -BaseCPU::regStats() -{ - using namespace Stats; - - numCycles - .name(name() + ".numCycles") - .desc("number of cpu cycles simulated") - ; - - int size = execContexts.size(); - if (size > 1) { - for (int i = 0; i < size; ++i) { - stringstream namestr; - ccprintf(namestr, "%s.ctx%d", name(), i); - execContexts[i]->regStats(namestr.str()); - } - } else if (size == 1) - execContexts[0]->regStats(name()); -} - - -void -BaseCPU::registerExecContexts() -{ - for (int i = 0; i < execContexts.size(); ++i) { - ExecContext *xc = execContexts[i]; - int cpu_id; - -#ifdef FULL_SYSTEM - cpu_id = system->registerExecContext(xc); -#else - cpu_id = xc->process->registerExecContext(xc); -#endif - - xc->cpu_id = cpu_id; - } -} - - -void -BaseCPU::switchOut(SamplingCPU *sampler) -{ - panic("This CPU doesn't support sampling!"); -} - -void -BaseCPU::takeOverFrom(BaseCPU *oldCPU) -{ - assert(execContexts.size() == oldCPU->execContexts.size()); - - for (int i = 0; i < execContexts.size(); ++i) { - ExecContext *newXC = execContexts[i]; - ExecContext *oldXC = oldCPU->execContexts[i]; - - newXC->takeOverFrom(oldXC); - assert(newXC->cpu_id == oldXC->cpu_id); -#ifdef FULL_SYSTEM - system->replaceExecContext(newXC, newXC->cpu_id); -#else - assert(newXC->process == oldXC->process); - newXC->process->replaceExecContext(newXC, newXC->cpu_id); -#endif - } - -#ifdef FULL_SYSTEM - for (int i = 0; i < NumInterruptLevels; ++i) - interrupts[i] = oldCPU->interrupts[i]; - intstatus = oldCPU->intstatus; -#endif -} - - -#ifdef FULL_SYSTEM -void -BaseCPU::post_interrupt(int int_num, int index) -{ - DPRINTF(Interrupt, "Interrupt %d:%d posted\n", int_num, index); - - if (int_num < 0 || int_num >= NumInterruptLevels) - panic("int_num out of bounds\n"); - - if (index < 0 || index >= sizeof(uint64_t) * 8) - panic("int_num out of bounds\n"); - - checkInterrupts = true; - interrupts[int_num] |= 1 << index; - intstatus |= (ULL(1) << int_num); -} - -void -BaseCPU::clear_interrupt(int int_num, int index) -{ - DPRINTF(Interrupt, "Interrupt %d:%d cleared\n", int_num, index); - - if (int_num < 0 || int_num >= NumInterruptLevels) - panic("int_num out of bounds\n"); - - if (index < 0 || index >= sizeof(uint64_t) * 8) - panic("int_num out of bounds\n"); - - interrupts[int_num] &= ~(1 << index); - if (interrupts[int_num] == 0) - intstatus &= ~(ULL(1) << int_num); -} - -void -BaseCPU::clear_interrupts() -{ - DPRINTF(Interrupt, "Interrupts all cleared\n"); - - memset(interrupts, 0, sizeof(interrupts)); - intstatus = 0; -} - - -void -BaseCPU::serialize(std::ostream &os) -{ - SERIALIZE_ARRAY(interrupts, NumInterruptLevels); - SERIALIZE_SCALAR(intstatus); -} - -void -BaseCPU::unserialize(Checkpoint *cp, const std::string §ion) -{ - UNSERIALIZE_ARRAY(interrupts, NumInterruptLevels); - UNSERIALIZE_SCALAR(intstatus); -} - -#endif // FULL_SYSTEM - -void -BaseCPU::traceFunctionsInternal(Addr pc) -{ - if (!debugSymbolTable) - return; - - // if pc enters different function, print new function symbol and - // update saved range. Otherwise do nothing. - if (pc < currentFunctionStart || pc >= currentFunctionEnd) { - string sym_str; - bool found = debugSymbolTable->findNearestSymbol(pc, sym_str, - currentFunctionStart, - currentFunctionEnd); - - if (!found) { - // no symbol found: use addr as label - sym_str = csprintf("0x%x", pc); - currentFunctionStart = pc; - currentFunctionEnd = pc + 1; - } - - ccprintf(*functionTraceStream, " (%d)\n%d: %s", - curTick - functionEntryTick, curTick, sym_str); - functionEntryTick = curTick; - } -} - - -DEFINE_SIM_OBJECT_CLASS_NAME("BaseCPU", BaseCPU) |