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authorPolina Dudnik <pdudnik@cs.wisc.edu>2009-09-17 17:39:52 -0500
committerPolina Dudnik <pdudnik@cs.wisc.edu>2009-09-17 17:39:52 -0500
commit114d8724dd5e6ff82b93b5888fcf8f99f56c0993 (patch)
tree5dd6b5607be7ad9c3b649278095d099313cf2109 /src/mem/slicc
parent31a3ef03cb2c991270dc2ec061b07e1e2858484c (diff)
downloadgem5-114d8724dd5e6ff82b93b5888fcf8f99f56c0993.tar.xz
Functionality migrated to sequencer.
Diffstat (limited to 'src/mem/slicc')
-rw-r--r--src/mem/slicc/symbols/StateMachine.cc94
1 files changed, 68 insertions, 26 deletions
diff --git a/src/mem/slicc/symbols/StateMachine.cc b/src/mem/slicc/symbols/StateMachine.cc
index 86f92b692..f5fad70c6 100644
--- a/src/mem/slicc/symbols/StateMachine.cc
+++ b/src/mem/slicc/symbols/StateMachine.cc
@@ -291,8 +291,8 @@ void StateMachine::printControllerH(ostream& out, string component)
out << " void printConfig(ostream& out) const;" << endl;
out << " void wakeup();" << endl;
out << " void set_atomic(Address addr);" << endl;
- out << " void started_writes();" << endl;
- out << " void clear_atomic();" << endl;
+ out << " void clear_atomic(Address addr);" << endl;
+ out << " void reset_atomics();" << endl;
out << " void printStats(ostream& out) const { s_profiler.dumpStats(out); }" << endl;
out << " void clearStats() { s_profiler.clearStats(); }" << endl;
out << "private:" << endl;
@@ -876,7 +876,8 @@ void StateMachine::printCWakeup(ostream& out, string component)
} \n \
} \n \
";
- output.insert(pos, atomics_string);
+
+ // output.insert(pos, atomics_string);
/*string foo = "// Cannot do anything with this transition, go check next doable transition (mostly likely of next port)\n";
string::size_type next_pos = output.find(foo, pos);
next_pos = next_pos + foo.length();
@@ -898,13 +899,19 @@ void StateMachine::printCWakeup(ostream& out, string component)
out << " if ((((*m_L1Cache_forwardToCache_ptr)).isReady())) {" << endl;
out << " const RequestMsg* in_msg_ptr;" << endl;
out << " in_msg_ptr = dynamic_cast<const RequestMsg*>(((*m_L1Cache_forwardToCache_ptr)).peek());" << endl;
- out << " if ((((servicing_atomic == 1) && (locked_read_request1 == ((*in_msg_ptr)).m_Address)) || " << endl;
- out << " ((servicing_atomic == 2) && (locked_read_request1 == ((*in_msg_ptr)).m_Address || locked_read_request2 == ((*in_msg_ptr)).m_Address)) || " << endl;
- out << " ((servicing_atomic == 3) && (locked_read_request1 == ((*in_msg_ptr)).m_Address || locked_read_request2 == ((*in_msg_ptr)).m_Address || locked_read_request3 == ((*in_msg_ptr)).m_Address)) || " << endl;
- out << " ((servicing_atomic == 4) && (locked_read_request1 == ((*in_msg_ptr)).m_Address || locked_read_request2 == ((*in_msg_ptr)).m_Address || locked_read_request3 == ((*in_msg_ptr)).m_Address || locked_read_request1 == ((*in_msg_ptr)).m_Address)))) {" << endl;
-// out << " (locked_read_request2 == ((*in_msg_ptr)).m_Address) || (locked_read_request3 == ((*in_msg_ptr)).m_Address) || " << endl;
-// out << " (locked_read_request4 == ((*in_msg_ptr)).m_Address))) { " << endl;
-
+ out << " if ((((servicing_atomic > 0) && (locked_read_request1 == ((*in_msg_ptr)).m_Address || locked_read_request2 == ((*in_msg_ptr)).m_Address || locked_read_request3 == ((*in_msg_ptr)).m_Address || locked_read_request1 == ((*in_msg_ptr)).m_Address)))) {" << endl;
+ out << " postpone = true;" << endl;
+ out << " }" << endl;
+
+ out << " }" << endl;
+ out << " if (!postpone) {" << endl;
+ }
+ else if (port->toString().find("requestNetwork_in") != string::npos || port->toString().find("requestIntraChipL1Network_in") != string::npos) {
+ out << " bool postpone = false;" << endl;
+ out << " if ((((*m_L1Cache_requestToL1Cache_ptr)).isReady())) {" << endl;
+ out << " const RequestMsg* in_msg_ptr;" << endl;
+ out << " in_msg_ptr = dynamic_cast<const RequestMsg*>(((*m_L1Cache_requestToL1Cache_ptr)).peek());" << endl;
+ out << " if ((((servicing_atomic > 0) && (locked_read_request1 == ((*in_msg_ptr)).m_Address || locked_read_request2 == ((*in_msg_ptr)).m_Address || locked_read_request3 == ((*in_msg_ptr)).m_Address || locked_read_request1 == ((*in_msg_ptr)).m_Address)))) {" << endl;
out << " postpone = true;" << endl;
out << " }" << endl;
@@ -921,6 +928,12 @@ void StateMachine::printCWakeup(ostream& out, string component)
if (port->toString().find("forwardRequestNetwork_in") != string::npos) {
out << "}" << endl;
}
+ else if (port->toString().find("requestIntraChipL1Network_in") != string::npos) {
+ out << "}" << endl;
+ }
+ else if (port->toString().find("requestNetwork_in") != string::npos) {
+ out << "}" << endl;
+ }
}
out << endl;
}
@@ -939,37 +952,66 @@ void StateMachine::printCWakeup(ostream& out, string component)
out << "void " << component << "_Controller::set_atomic(Address addr)" << endl;
out << "{" << endl;
out << " servicing_atomic++; " << endl;
+ out << " switch (servicing_atomic) { " << endl;
+ out << " case(1): " << endl;
+ out << " assert(locked_read_request1 == Address(-1)); " << endl;
+ out << " locked_read_request1 = addr; " << endl;
+ out << " break; " << endl;
+ out << " case(2): " << endl;
+ out << " assert(locked_read_request2 == Address(-1)); " << endl;
+ out << " locked_read_request2 = addr; " << endl;
+ out << " break; " << endl;
+ out << " case(3): " << endl;
+ out << " assert(locked_read_request3 == Address(-1)); " << endl;
+ out << " locked_read_request3 = addr; " << endl;
+ out << " break; " << endl;
+ out << " case(4): " << endl;
+ out << " assert(locked_read_request4 == Address(-1)); " << endl;
+ out << " locked_read_request4 = addr; " << endl;
+ out << " break; " << endl;
+ out << " default: " << endl;
+ out << " assert(0);" << endl;
+ out << " }" << endl;
out << "}" << endl;
- out << "void " << component << "_Controller::started_writes()" << endl;
+
+ out << "void " << component << "_Controller::clear_atomic(Address addr)" << endl;
out << "{" << endl;
- out << " started_receiving_writes = true; " << endl;
+ out << " assert(servicing_atomic > 0); " << endl;
+ out << " if (addr == locked_read_request1) " << endl;
+ out << " locked_read_request1 = Address(-1);" << endl;
+ out << " else if (addr == locked_read_request2)" << endl;
+ out << " locked_read_request2 = Address(-1);" << endl;
+ out << " else if (addr == locked_read_request3)" << endl;
+ out << " locked_read_request3 = Address(-1);" << endl;
+ out << " else if (addr == locked_read_request4)" << endl;
+ out << " locked_read_request4 = Address(-1);" << endl;
+ out << " else " << endl;
+ out << " assert(0); " << endl;
+ out << " servicing_atomic--; " << endl;
out << "}" << endl;
- out << "void " << component << "_Controller::clear_atomic()" << endl;
+
+ out << "void " << component << "_Controller::reset_atomics()" << endl;
out << "{" << endl;
out << " assert(servicing_atomic > 0); " << endl;
- out << " read_counter--; " << endl;
- out << " servicing_atomic--; " << endl;
- out << " if (read_counter == 0) { " << endl;
- out << " servicing_atomic = 0; " << endl;
- out << " started_receiving_writes = false; " << endl;
- out << " locked_read_request1 = Address(-1); " << endl;
- out << " locked_read_request2 = Address(-1); " << endl;
- out << " locked_read_request3 = Address(-1); " << endl;
- out << " locked_read_request4 = Address(-1); " << endl;
- out << " } " << endl;
+ out << " servicing_atomic = 0; " << endl;
+ out << " locked_read_request1 = Address(-1);" << endl;
+ out << " locked_read_request2 = Address(-1);" << endl;
+ out << " locked_read_request3 = Address(-1);" << endl;
+ out << " locked_read_request4 = Address(-1);" << endl;
out << "}" << endl;
}
else {
- out << "void " << component << "_Controller::started_writes()" << endl;
+ out << "void " << component << "_Controller::set_atomic(Address addr)" << endl;
out << "{" << endl;
out << " assert(0); " << endl;
out << "}" << endl;
- out << "void " << component << "_Controller::set_atomic(Address addr)" << endl;
+
+ out << "void " << component << "_Controller::clear_atomic(Address addr)" << endl;
out << "{" << endl;
out << " assert(0); " << endl;
out << "}" << endl;
- out << "void " << component << "_Controller::clear_atomic()" << endl;
+ out << "void " << component << "_Controller::reset_atomics()" << endl;
out << "{" << endl;
out << " assert(0); " << endl;
out << "}" << endl;