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-rw-r--r--src/mem/slicc/symbols/StateMachine.py241
1 files changed, 225 insertions, 16 deletions
diff --git a/src/mem/slicc/symbols/StateMachine.py b/src/mem/slicc/symbols/StateMachine.py
index 145284726..b0d663c43 100644
--- a/src/mem/slicc/symbols/StateMachine.py
+++ b/src/mem/slicc/symbols/StateMachine.py
@@ -46,6 +46,7 @@ class StateMachine(Symbol):
super(StateMachine, self).__init__(symtab, ident, location, pairs)
self.table = None
self.config_parameters = config_parameters
+
for param in config_parameters:
if param.pointer:
var = Var(symtab, param.name, location, param.type_ast.type,
@@ -62,6 +63,8 @@ class StateMachine(Symbol):
self.in_ports = []
self.functions = []
self.objects = []
+ self.TBEType = None
+ self.EntryType = None
self.message_buffer_names = []
@@ -107,6 +110,21 @@ class StateMachine(Symbol):
def addObject(self, obj):
self.objects.append(obj)
+ def addType(self, type):
+ type_ident = '%s' % type.c_ident
+
+ if type_ident == "%s_TBE" %self.ident:
+ if self.TBEType != None:
+ self.error("Multiple Transaction Buffer types in a " \
+ "single machine.");
+ self.TBEType = type
+
+ elif "interface" in type and "AbstractCacheEntry" == type["interface"]:
+ if self.EntryType != None:
+ self.error("Multiple AbstractCacheEntry types in a " \
+ "single machine.");
+ self.EntryType = type
+
# Needs to be called before accessing the table
def buildTable(self):
assert self.table is None
@@ -264,12 +282,35 @@ private:
int m_number_of_TBEs;
TransitionResult doTransition(${ident}_Event event,
- ${ident}_State state,
+''')
+
+ if self.EntryType != None:
+ code('''
+ ${{self.EntryType.c_ident}}* m_cache_entry_ptr,
+''')
+ if self.TBEType != None:
+ code('''
+ ${{self.TBEType.c_ident}}* m_tbe_ptr,
+''')
+
+ code('''
const Address& addr);
TransitionResult doTransitionWorker(${ident}_Event event,
${ident}_State state,
${ident}_State& next_state,
+''')
+
+ if self.TBEType != None:
+ code('''
+ ${{self.TBEType.c_ident}}*& m_tbe_ptr,
+''')
+ if self.EntryType != None:
+ code('''
+ ${{self.EntryType.c_ident}}*& m_cache_entry_ptr,
+''')
+
+ code('''
const Address& addr);
std::string m_name;
@@ -299,13 +340,42 @@ static int m_num_controllers;
if proto:
code('$proto')
+ if self.EntryType != None:
+ code('''
+
+// Set and Reset for cache_entry variable
+void set_cache_entry(${{self.EntryType.c_ident}}*& m_cache_entry_ptr, AbstractCacheEntry* m_new_cache_entry);
+void unset_cache_entry(${{self.EntryType.c_ident}}*& m_cache_entry_ptr);
+''')
+
+ if self.TBEType != None:
+ code('''
+
+// Set and Reset for tbe variable
+void set_tbe(${{self.TBEType.c_ident}}*& m_tbe_ptr, ${ident}_TBE* m_new_tbe);
+void unset_tbe(${{self.TBEType.c_ident}}*& m_tbe_ptr);
+''')
+
code('''
// Actions
''')
- for action in self.actions.itervalues():
- code('/** \\brief ${{action.desc}} */')
- code('void ${{action.ident}}(const Address& addr);')
+ if self.TBEType != None and self.EntryType != None:
+ for action in self.actions.itervalues():
+ code('/** \\brief ${{action.desc}} */')
+ code('void ${{action.ident}}(${{self.TBEType.c_ident}}*& m_tbe_ptr, ${{self.EntryType.c_ident}}*& m_cache_entry_ptr, const Address& addr);')
+ elif self.TBEType != None:
+ for action in self.actions.itervalues():
+ code('/** \\brief ${{action.desc}} */')
+ code('void ${{action.ident}}(${{self.TBEType.c_ident}}*& m_tbe_ptr, const Address& addr);')
+ elif self.EntryType != None:
+ for action in self.actions.itervalues():
+ code('/** \\brief ${{action.desc}} */')
+ code('void ${{action.ident}}(${{self.EntryType.c_ident}}*& m_cache_entry_ptr, const Address& addr);')
+ else:
+ for action in self.actions.itervalues():
+ code('/** \\brief ${{action.desc}} */')
+ code('void ${{action.ident}}(const Address& addr);')
# the controller internal variables
code('''
@@ -731,15 +801,97 @@ void $c_ident::clearStats() {
code('''
m_profiler.clearStats();
}
+''')
+
+ if self.EntryType != None:
+ code('''
+
+// Set and Reset for cache_entry variable
+void
+$c_ident::set_cache_entry(${{self.EntryType.c_ident}}*& m_cache_entry_ptr, AbstractCacheEntry* m_new_cache_entry)
+{
+ m_cache_entry_ptr = (${{self.EntryType.c_ident}}*)m_new_cache_entry;
+}
+
+void
+$c_ident::unset_cache_entry(${{self.EntryType.c_ident}}*& m_cache_entry_ptr)
+{
+ m_cache_entry_ptr = 0;
+}
+''')
+
+ if self.TBEType != None:
+ code('''
+
+// Set and Reset for tbe variable
+void
+$c_ident::set_tbe(${{self.TBEType.c_ident}}*& m_tbe_ptr, ${{self.TBEType.c_ident}}* m_new_tbe)
+{
+ m_tbe_ptr = m_new_tbe;
+}
+
+void
+$c_ident::unset_tbe(${{self.TBEType.c_ident}}*& m_tbe_ptr)
+{
+ m_tbe_ptr = NULL;
+}
+''')
+
+ code('''
// Actions
''')
+ if self.TBEType != None and self.EntryType != None:
+ for action in self.actions.itervalues():
+ if "c_code" not in action:
+ continue
- for action in self.actions.itervalues():
- if "c_code" not in action:
- continue
+ code('''
+/** \\brief ${{action.desc}} */
+void
+$c_ident::${{action.ident}}(${{self.TBEType.c_ident}}*& m_tbe_ptr, ${{self.EntryType.c_ident}}*& m_cache_entry_ptr, const Address& addr)
+{
+ DPRINTF(RubyGenerated, "executing\\n");
+ ${{action["c_code"]}}
+}
- code('''
+''')
+ elif self.TBEType != None:
+ for action in self.actions.itervalues():
+ if "c_code" not in action:
+ continue
+
+ code('''
+/** \\brief ${{action.desc}} */
+void
+$c_ident::${{action.ident}}(${{self.TBEType.c_ident}}*& m_tbe_ptr, const Address& addr)
+{
+ DPRINTF(RubyGenerated, "executing\\n");
+ ${{action["c_code"]}}
+}
+
+''')
+ elif self.EntryType != None:
+ for action in self.actions.itervalues():
+ if "c_code" not in action:
+ continue
+
+ code('''
+/** \\brief ${{action.desc}} */
+void
+$c_ident::${{action.ident}}(${{self.EntryType.c_ident}}*& m_cache_entry_ptr, const Address& addr)
+{
+ DPRINTF(RubyGenerated, "executing\\n");
+ ${{action["c_code"]}}
+}
+
+''')
+ else:
+ for action in self.actions.itervalues():
+ if "c_code" not in action:
+ continue
+
+ code('''
/** \\brief ${{action.desc}} */
void
$c_ident::${{action.ident}}(const Address& addr)
@@ -777,9 +929,6 @@ using namespace std;
void
${ident}_Controller::wakeup()
{
- // DEBUG_EXPR(GENERATED_COMP, MedPrio, *this);
- // DEBUG_EXPR(GENERATED_COMP, MedPrio, g_eventQueue_ptr->getTime());
-
int counter = 0;
while (true) {
// Some cases will put us into an infinite loop without this limit
@@ -850,9 +999,29 @@ ${ident}_Controller::wakeup()
TransitionResult
${ident}_Controller::doTransition(${ident}_Event event,
- ${ident}_State state,
+''')
+ if self.EntryType != None:
+ code('''
+ ${{self.EntryType.c_ident}}* m_cache_entry_ptr,
+''')
+ if self.TBEType != None:
+ code('''
+ ${{self.TBEType.c_ident}}* m_tbe_ptr,
+''')
+ code('''
const Address &addr)
{
+''')
+ if self.TBEType != None and self.EntryType != None:
+ code('${ident}_State state = ${ident}_getState(m_tbe_ptr, m_cache_entry_ptr, addr);')
+ elif self.TBEType != None:
+ code('${ident}_State state = ${ident}_getState(m_tbe_ptr, addr);')
+ elif self.EntryType != None:
+ code('${ident}_State state = ${ident}_getState(m_cache_entry_ptr, addr);')
+ else:
+ code('${ident}_State state = ${ident}_getState(addr);')
+
+ code('''
${ident}_State next_state = state;
DPRINTF(RubyGenerated, "%s, Time: %lld, state: %s, event: %s, addr: %s\\n",
@@ -863,8 +1032,17 @@ ${ident}_Controller::doTransition(${ident}_Event event,
addr);
TransitionResult result =
- doTransitionWorker(event, state, next_state, addr);
+''')
+ if self.TBEType != None and self.EntryType != None:
+ code('doTransitionWorker(event, state, next_state, m_tbe_ptr, m_cache_entry_ptr, addr);')
+ elif self.TBEType != None:
+ code('doTransitionWorker(event, state, next_state, m_tbe_ptr, addr);')
+ elif self.EntryType != None:
+ code('doTransitionWorker(event, state, next_state, m_cache_entry_ptr, addr);')
+ else:
+ code('doTransitionWorker(event, state, next_state, addr);')
+ code('''
if (result == TransitionResult_Valid) {
DPRINTF(RubyGenerated, "next_state: %s\\n",
${ident}_State_to_string(next_state));
@@ -877,7 +1055,17 @@ ${ident}_Controller::doTransition(${ident}_Event event,
addr, GET_TRANSITION_COMMENT());
CLEAR_TRANSITION_COMMENT();
- ${ident}_setState(addr, next_state);
+''')
+ if self.TBEType != None and self.EntryType != None:
+ code('${ident}_setState(m_tbe_ptr, m_cache_entry_ptr, addr, next_state);')
+ elif self.TBEType != None:
+ code('${ident}_setState(m_tbe_ptr, addr, next_state);')
+ elif self.EntryType != None:
+ code('${ident}_setState(m_cache_entry_ptr, addr, next_state);')
+ else:
+ code('${ident}_setState(addr, next_state);')
+
+ code('''
} else if (result == TransitionResult_ResourceStall) {
DPRINTFR(ProtocolTrace, "%7s %3s %10s%20s %6s>%-6s %s %s\\n",
g_eventQueue_ptr->getTime(), m_version, "${ident}",
@@ -902,6 +1090,17 @@ TransitionResult
${ident}_Controller::doTransitionWorker(${ident}_Event event,
${ident}_State state,
${ident}_State& next_state,
+''')
+
+ if self.TBEType != None:
+ code('''
+ ${{self.TBEType.c_ident}}*& m_tbe_ptr,
+''')
+ if self.EntryType != None:
+ code('''
+ ${{self.EntryType.c_ident}}*& m_cache_entry_ptr,
+''')
+ code('''
const Address& addr)
{
switch(HASH_FUN(state, event)) {
@@ -950,8 +1149,18 @@ if (!%s.areNSlotsAvailable(%s))
if stall:
case('return TransitionResult_ProtocolStall;')
else:
- for action in actions:
- case('${{action.ident}}(addr);')
+ if self.TBEType != None and self.EntryType != None:
+ for action in actions:
+ case('${{action.ident}}(m_tbe_ptr, m_cache_entry_ptr, addr);')
+ elif self.TBEType != None:
+ for action in actions:
+ case('${{action.ident}}(m_tbe_ptr, addr);')
+ elif self.EntryType != None:
+ for action in actions:
+ case('${{action.ident}}(m_cache_entry_ptr, addr);')
+ else:
+ for action in actions:
+ case('${{action.ident}}(addr);')
case('return TransitionResult_Valid;')
case = str(case)