StallAndWaitStatementAST.py revision 11025:4872dbdea907
12SN/A# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 21762SN/A# Copyright (c) 2009 The Hewlett-Packard Development Company 32SN/A# Copyright (c) 2010 Advanced Micro Devices, Inc. 42SN/A# All rights reserved. 52SN/A# 62SN/A# Redistribution and use in source and binary forms, with or without 72SN/A# modification, are permitted provided that the following conditions are 82SN/A# met: redistributions of source code must retain the above copyright 92SN/A# notice, this list of conditions and the following disclaimer; 102SN/A# redistributions in binary form must reproduce the above copyright 112SN/A# notice, this list of conditions and the following disclaimer in the 122SN/A# documentation and/or other materials provided with the distribution; 132SN/A# neither the name of the copyright holders nor the names of its 142SN/A# contributors may be used to endorse or promote products derived from 152SN/A# this software without specific prior written permission. 162SN/A# 172SN/A# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 182SN/A# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 192SN/A# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 202SN/A# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 212SN/A# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 222SN/A# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 232SN/A# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 242SN/A# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 252SN/A# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 262SN/A# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 272665Ssaidi@eecs.umich.edu# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 282665Ssaidi@eecs.umich.edu 292665Ssaidi@eecs.umich.edufrom slicc.ast.StatementAST import StatementAST 302SN/A 312SN/Aclass StallAndWaitStatementAST(StatementAST): 328946Sandreas.hansson@arm.com def __init__(self, slicc, in_port, address): 332SN/A super(StatementAST, self).__init__(slicc) 342SN/A self.in_port = in_port 358229Snate@binkert.org self.address = address 362SN/A 372SN/A def __repr__(self): 3856SN/A return "[StallAndWaitStatementAst: %r]" % self.in_port 3956SN/A 402SN/A def generate(self, code, return_type): 412SN/A self.in_port.assertType("InPort") 422SN/A self.address.assertType("Addr") 432SN/A 442SN/A in_port_code = self.in_port.var.code 452SN/A address_code = self.address.var.code 462SN/A code(''' 472SN/A stallBuffer(&($in_port_code), $address_code); 48160SN/A $in_port_code.stallMessage($address_code); 49160SN/A ''') 502SN/A