diff options
Diffstat (limited to 'src/sim/serialize.cc')
-rw-r--r-- | src/sim/serialize.cc | 137 |
1 files changed, 28 insertions, 109 deletions
diff --git a/src/sim/serialize.cc b/src/sim/serialize.cc index 5270802d1..6a1d084b7 100644 --- a/src/sim/serialize.cc +++ b/src/sim/serialize.cc @@ -25,7 +25,8 @@ * (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: Erik Hallnor + * Authors: Nathan Binkert + * Erik Hallnor * Steve Reinhardt */ @@ -44,7 +45,6 @@ #include "base/output.hh" #include "base/str.hh" #include "base/trace.hh" -#include "sim/config_node.hh" #include "sim/eventq.hh" #include "sim/param.hh" #include "sim/serialize.hh" @@ -231,8 +231,9 @@ Globals::unserialize(Checkpoint *cp) } void -Serializable::serializeAll() +Serializable::serializeAll(const std::string &cpt_dir) { + setCheckpointDir(cpt_dir); string dir = Checkpoint::dir(); if (mkdir(dir.c_str(), 0775) == -1 && errno != EEXIST) fatal("couldn't mkdir %s\n", dir); @@ -244,56 +245,42 @@ Serializable::serializeAll() globals.serialize(outstream); SimObject::serializeAll(outstream); - - assert(Serializable::ckptPrevCount + 1 == Serializable::ckptCount); - Serializable::ckptPrevCount++; - if (ckptMaxCount && ++ckptCount >= ckptMaxCount) - exitSimLoop(curTick + 1, "Maximum number of checkpoints dropped"); - } - void -Serializable::unserializeGlobals(Checkpoint *cp) +Serializable::unserializeAll(const std::string &cpt_dir) { - globals.unserialize(cp); -} - - -class SerializeEvent : public Event -{ - protected: - Tick repeat; + setCheckpointDir(cpt_dir); + string dir = Checkpoint::dir(); + string cpt_file = dir + Checkpoint::baseFilename; + string section = ""; - public: - SerializeEvent(Tick _when, Tick _repeat); - virtual void process(); - virtual void serialize(std::ostream &os) - { - panic("Cannot serialize the SerializeEvent"); - } + DPRINTFR(Config, "Loading checkpoint dir '%s'\n", + dir); + Checkpoint *cp = new Checkpoint(dir, section); + unserializeGlobals(cp); -}; - -SerializeEvent::SerializeEvent(Tick _when, Tick _repeat) - : Event(&mainEventQueue, Serialize_Pri), repeat(_repeat) -{ - setFlags(AutoDelete); - schedule(_when); + SimObject::unserializeAll(cp); } void -SerializeEvent::process() +Serializable::unserializeGlobals(Checkpoint *cp) { - Serializable::serializeAll(); - if (repeat) - schedule(curTick + repeat); + globals.unserialize(cp); } const char *Checkpoint::baseFilename = "m5.cpt"; static string checkpointDirBase; +void +setCheckpointDir(const std::string &name) +{ + checkpointDirBase = name; + if (checkpointDirBase[checkpointDirBase.size() - 1] != '/') + checkpointDirBase += "/"; +} + string Checkpoint::dir() { @@ -304,75 +291,11 @@ Checkpoint::dir() } void -Checkpoint::setup(Tick when, Tick period) +debug_serialize(const std::string &cpt_dir) { - new SerializeEvent(when, period); + Serializable::serializeAll(cpt_dir); } -class SerializeParamContext : public ParamContext -{ - private: - SerializeEvent *event; - - public: - SerializeParamContext(const string §ion); - ~SerializeParamContext(); - void checkParams(); -}; - -SerializeParamContext serialParams("serialize"); - -Param<string> serialize_dir(&serialParams, "dir", - "dir to stick checkpoint in " - "(sprintf format with cycle #)"); - -Param<Counter> serialize_cycle(&serialParams, - "cycle", - "cycle to serialize", - 0); - -Param<Counter> serialize_period(&serialParams, - "period", - "period to repeat serializations", - 0); - -Param<int> serialize_count(&serialParams, "count", - "maximum number of checkpoints to drop"); - -SerializeParamContext::SerializeParamContext(const string §ion) - : ParamContext(section), event(NULL) -{ } - -SerializeParamContext::~SerializeParamContext() -{ -} - -void -SerializeParamContext::checkParams() -{ - checkpointDirBase = simout.resolve(serialize_dir); - - // guarantee that directory ends with a '/' - if (checkpointDirBase[checkpointDirBase.size() - 1] != '/') - checkpointDirBase += "/"; - - if (serialize_cycle > 0) - Checkpoint::setup(serialize_cycle, serialize_period); - - Serializable::ckptMaxCount = serialize_count; -} - -void -debug_serialize() -{ - Serializable::serializeAll(); -} - -void -debug_serialize(Tick when) -{ - new SerializeEvent(when, 0); -} //////////////////////////////////////////////////////////////////////// // @@ -442,9 +365,8 @@ Serializable::create(Checkpoint *cp, const std::string §ion) } -Checkpoint::Checkpoint(const std::string &cpt_dir, const std::string &path, - const ConfigNode *_configNode) - : db(new IniFile), basePath(path), configNode(_configNode), cptDir(cpt_dir) +Checkpoint::Checkpoint(const std::string &cpt_dir, const std::string &path) + : db(new IniFile), basePath(path), cptDir(cpt_dir) { string filename = cpt_dir + "/" + Checkpoint::baseFilename; if (!db->load(filename)) { @@ -470,9 +392,6 @@ Checkpoint::findObj(const std::string §ion, const std::string &entry, if (!db->find(section, entry, path)) return false; - if ((value = configNode->resolveSimObject(path)) != NULL) - return true; - if ((value = objMap[path]) != NULL) return true; |