thread_state.cc (8793:5f25086326ac) | thread_state.cc (8799:dac1e33e07b0) |
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1/* 2 * Copyright (c) 2006 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 20 unchanged lines hidden (view full) --- 29 */ 30 31#include "arch/kernel_stats.hh" 32#include "base/output.hh" 33#include "cpu/base.hh" 34#include "cpu/profile.hh" 35#include "cpu/quiesce_event.hh" 36#include "cpu/thread_state.hh" | 1/* 2 * Copyright (c) 2006 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 20 unchanged lines hidden (view full) --- 29 */ 30 31#include "arch/kernel_stats.hh" 32#include "base/output.hh" 33#include "cpu/base.hh" 34#include "cpu/profile.hh" 35#include "cpu/quiesce_event.hh" 36#include "cpu/thread_state.hh" |
37#include "mem/fs_translating_port_proxy.hh" |
|
37#include "mem/port.hh" | 38#include "mem/port.hh" |
38#include "mem/translating_port.hh" 39#include "mem/vport.hh" | 39#include "mem/port_proxy.hh" 40#include "mem/se_translating_port_proxy.hh" |
40#include "sim/full_system.hh" 41#include "sim/serialize.hh" | 41#include "sim/full_system.hh" 42#include "sim/serialize.hh" |
43#include "sim/system.hh" |
|
42 43ThreadState::ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process) 44 : numInst(0), numLoad(0), _status(ThreadContext::Halted), 45 baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0), 46 profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), | 44 45ThreadState::ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process) 46 : numInst(0), numLoad(0), _status(ThreadContext::Halted), 47 baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0), 48 profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL), |
47 kernelStats(NULL), process(_process), port(NULL), virtPort(NULL), 48 physPort(NULL), funcExeInst(0), storeCondFailures(0) | 49 kernelStats(NULL), process(_process), physProxy(NULL), virtProxy(NULL), 50 proxy(NULL), funcExeInst(0), storeCondFailures(0) |
49{ 50} 51 52ThreadState::~ThreadState() 53{ | 51{ 52} 53 54ThreadState::~ThreadState() 55{ |
54 if (port) { 55 delete port->getPeer(); 56 delete port; 57 } | 56 if (physProxy != NULL) 57 delete physProxy; 58 if (virtProxy != NULL) 59 delete virtProxy; 60 if (proxy != NULL) 61 delete proxy; |
58} 59 60void 61ThreadState::serialize(std::ostream &os) 62{ 63 SERIALIZE_ENUM(_status); 64 // thread_num and cpu_id are deterministic from the config 65 SERIALIZE_SCALAR(funcExeInst); --- 22 unchanged lines hidden (view full) --- 88 if (quiesceEndTick) 89 baseCpu->schedule(quiesceEvent, quiesceEndTick); 90 if (kernelStats) 91 kernelStats->unserialize(cp, section); 92 } 93} 94 95void | 62} 63 64void 65ThreadState::serialize(std::ostream &os) 66{ 67 SERIALIZE_ENUM(_status); 68 // thread_num and cpu_id are deterministic from the config 69 SERIALIZE_SCALAR(funcExeInst); --- 22 unchanged lines hidden (view full) --- 92 if (quiesceEndTick) 93 baseCpu->schedule(quiesceEvent, quiesceEndTick); 94 if (kernelStats) 95 kernelStats->unserialize(cp, section); 96 } 97} 98 99void |
96ThreadState::connectPhysPort() | 100ThreadState::initMemProxies(ThreadContext *tc) |
97{ | 101{ |
98 // @todo: For now this disregards any older port that may have 99 // already existed. Fix this memory leak once the bus port IDs 100 // for functional ports is resolved. 101 if (physPort) 102 physPort->removeConn(); 103 else 104 physPort = new FunctionalPort(csprintf("%s-%d-funcport", 105 baseCpu->name(), _threadId)); 106 connectToMemFunc(physPort); | 102 // Note that this only refers to the port on the CPU side and can 103 // safely be done at init() time even if the CPU is not connected 104 // (i.e. due to restoring from a checkpoint and later switching 105 // in. 106 if (physProxy == NULL) 107 physProxy = new PortProxy(*baseCpu->getPort("dcache_port")); 108 if (virtProxy == NULL) 109 virtProxy = new FSTranslatingPortProxy(tc); |
107} 108 109void | 110} 111 112void |
110ThreadState::connectVirtPort(ThreadContext *tc) 111{ 112 // @todo: For now this disregards any older port that may have 113 // already existed. Fix this memory leak once the bus port IDs 114 // for functional ports is resolved. 115 if (virtPort) 116 virtPort->removeConn(); 117 else 118 virtPort = new VirtualPort(csprintf("%s-%d-vport", 119 baseCpu->name(), _threadId), tc); 120 connectToMemFunc(virtPort); 121} 122 123void 124ThreadState::connectMemPorts(ThreadContext *tc) 125{ 126 connectPhysPort(); 127 connectVirtPort(tc); 128} 129 130void | |
131ThreadState::profileClear() 132{ 133 if (profile) 134 profile->clear(); 135} 136 137void 138ThreadState::profileSample() 139{ 140 if (profile) 141 profile->sample(profileNode, profilePC); 142} 143 | 113ThreadState::profileClear() 114{ 115 if (profile) 116 profile->clear(); 117} 118 119void 120ThreadState::profileSample() 121{ 122 if (profile) 123 profile->sample(profileNode, profilePC); 124} 125 |
144TranslatingPort * 145ThreadState::getMemPort() | 126SETranslatingPortProxy * 127ThreadState::getMemProxy() |
146{ | 128{ |
147 if (port != NULL) 148 return port; | 129 if (proxy != NULL) 130 return proxy; |
149 | 131 |
150 /* Use this port to for syscall emulation writes to memory. */ 151 port = new TranslatingPort(csprintf("%s-%d-funcport", baseCpu->name(), 152 _threadId), process, TranslatingPort::NextPage); | 132 /* Use this port proxy to for syscall emulation writes to memory. */ 133 proxy = new SETranslatingPortProxy(*process->system->getSystemPort(), 134 process, 135 SETranslatingPortProxy::NextPage); |
153 | 136 |
154 connectToMemFunc(port); 155 156 return port; | 137 return proxy; |
157} | 138} |
158 159void 160ThreadState::connectToMemFunc(Port *port) 161{ 162 Port *dcache_port, *func_mem_port; 163 164 dcache_port = baseCpu->getPort("dcache_port"); 165 assert(dcache_port != NULL); 166 167 MemObject *mem_object = dcache_port->getPeer()->getOwner(); 168 assert(mem_object != NULL); 169 170 func_mem_port = mem_object->getPort("functional"); 171 assert(func_mem_port != NULL); 172 173 func_mem_port->setPeer(port); 174 port->setPeer(func_mem_port); 175} | |