1 files changed, 74 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/CheckStopSlotsStatementAST.py b/src/mem/slicc/ast/CheckStopSlotsStatementAST.py
new file mode 100644
index 000000000..307fbd6a1
--- /dev/null
+++ b/src/mem/slicc/ast/CheckStopSlotsStatementAST.py
@@ -0,0 +1,74 @@
+# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+# Copyright (c) 2009 The Hewlett-Packard Development Company
+# 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.
+
+from slicc.ast.StatementAST import StatementAST
+
+class CheckStopSlotsStatementAST(StatementAST):
+    def __init__(self, slicc, variable, condStr, bankStr):
+        super(StatementAST, self).__init__(slicc)
+        self.variable = variable
+        self.condStr = condStr
+        self.bankStr = bankStr
+
+    def __repr__(self):
+        return "[CheckStopSlotsStatementAst: %r]" % self.variable
+
+    def generate(self, code, return_type):
+        # Make sure the variable is valid
+        self.variable.var
+
+    def findResources(self, resources):
+        var = self.variable.var
+        assert var not in self.resources
+
+        check_code = code_formatter()
+        if self.condStr == "((*in_msg_ptr)).m_isOnChipSearch":
+            check_code('''
+const Response9Msg* in_msg_ptr =
+    dynamic_cast<const Response9Msg*>(((*(m_chip_ptr.m_L2Cache_responseToL2Cache9_vec[m_version]))).peek());
+assert(in_msg_ptr != NULL);
+''')
+
+        vcode = self.variable.inline()
+        bank = self.bankStr
+        cond = self.condStr
+
+        check_code('''
+if ($cond) {
+    auto pos = m_chip_ptr.m_DNUCAmover_ptr->getBankPos($bank)
+
+    if (!$vcode.isDisableSPossible(pos)) {
+        return TransitionResult_ResourceStall;
+    }
+} else {
+    if (!$vcode.isDisableFPossible(pos)) {
+        return TransitionResult_ResourceStall;
+    }
+}
+''')
+
+        resources[var] = str(check_code)