diff options
Diffstat (limited to 'src/mem/slicc/ast/CheckStopSlotsStatementAST.py')
-rw-r--r-- | src/mem/slicc/ast/CheckStopSlotsStatementAST.py | 74 |
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) |