mem.isa revision 7597
17119Sgblack@eecs.umich.edu// -*- mode:c++ -*- 27119Sgblack@eecs.umich.edu 37119Sgblack@eecs.umich.edu// Copyright (c) 2010 ARM Limited 47119Sgblack@eecs.umich.edu// All rights reserved 57119Sgblack@eecs.umich.edu// 67119Sgblack@eecs.umich.edu// The license below extends only to copyright in the software and shall 77119Sgblack@eecs.umich.edu// not be construed as granting a license to any other intellectual 87119Sgblack@eecs.umich.edu// property including but not limited to intellectual property relating 97119Sgblack@eecs.umich.edu// to a hardware implementation of the functionality of the software 107119Sgblack@eecs.umich.edu// licensed hereunder. You may use the software subject to the license 117119Sgblack@eecs.umich.edu// terms below provided that you ensure that this notice is replicated 127119Sgblack@eecs.umich.edu// unmodified and in its entirety in all distributions of the software, 137119Sgblack@eecs.umich.edu// modified or unmodified, in source code or in binary form. 147119Sgblack@eecs.umich.edu// 157119Sgblack@eecs.umich.edu// Redistribution and use in source and binary forms, with or without 167119Sgblack@eecs.umich.edu// modification, are permitted provided that the following conditions are 177119Sgblack@eecs.umich.edu// met: redistributions of source code must retain the above copyright 187119Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer; 197119Sgblack@eecs.umich.edu// redistributions in binary form must reproduce the above copyright 207119Sgblack@eecs.umich.edu// notice, this list of conditions and the following disclaimer in the 217119Sgblack@eecs.umich.edu// documentation and/or other materials provided with the distribution; 227119Sgblack@eecs.umich.edu// neither the name of the copyright holders nor the names of its 237119Sgblack@eecs.umich.edu// contributors may be used to endorse or promote products derived from 247119Sgblack@eecs.umich.edu// this software without specific prior written permission. 257119Sgblack@eecs.umich.edu// 267119Sgblack@eecs.umich.edu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 277119Sgblack@eecs.umich.edu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 287119Sgblack@eecs.umich.edu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 297119Sgblack@eecs.umich.edu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 307119Sgblack@eecs.umich.edu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 317119Sgblack@eecs.umich.edu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 327119Sgblack@eecs.umich.edu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 337119Sgblack@eecs.umich.edu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 347119Sgblack@eecs.umich.edu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 357119Sgblack@eecs.umich.edu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 367119Sgblack@eecs.umich.edu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 377119Sgblack@eecs.umich.edu// 387119Sgblack@eecs.umich.edu// Authors: Gabe Black 397119Sgblack@eecs.umich.edu 407119Sgblack@eecs.umich.edulet {{ 417119Sgblack@eecs.umich.edu 427590Sgblack@eecs.umich.edu class LoadStoreInst(object): 437590Sgblack@eecs.umich.edu def __init__(self): 447590Sgblack@eecs.umich.edu self.fullExecTemplate = eval(self.execBase + 'Execute') 457590Sgblack@eecs.umich.edu self.initiateAccTemplate = eval(self.execBase + 'InitiateAcc') 467590Sgblack@eecs.umich.edu self.completeAccTemplate = eval(self.execBase + 'CompleteAcc') 477590Sgblack@eecs.umich.edu self.declareTemplate = eval(self.decConstBase + 'Declare') 487590Sgblack@eecs.umich.edu self.constructTemplate = eval(self.decConstBase + 'Constructor') 497205Sgblack@eecs.umich.edu 507590Sgblack@eecs.umich.edu def fillTemplates(self, name, Name, codeBlobs, memFlags, instFlags, 517590Sgblack@eecs.umich.edu base = 'Memory'): 527590Sgblack@eecs.umich.edu # Make sure flags are in lists (convert to lists if not). 537590Sgblack@eecs.umich.edu memFlags = makeList(memFlags) 547590Sgblack@eecs.umich.edu instFlags = makeList(instFlags) 557119Sgblack@eecs.umich.edu 567590Sgblack@eecs.umich.edu eaCode = codeBlobs["ea_code"] 577205Sgblack@eecs.umich.edu 587590Sgblack@eecs.umich.edu # This shouldn't be part of the eaCode, but until the exec templates 597590Sgblack@eecs.umich.edu # are converted over it's the easiest place to put it. 607590Sgblack@eecs.umich.edu eaCode += '\n unsigned memAccessFlags = ' 617590Sgblack@eecs.umich.edu eaCode += (string.join(memFlags, '|') + ';') 627119Sgblack@eecs.umich.edu 637590Sgblack@eecs.umich.edu codeBlobs["ea_code"] = eaCode 647119Sgblack@eecs.umich.edu 657590Sgblack@eecs.umich.edu iop = InstObjParams(name, Name, base, codeBlobs, instFlags) 667119Sgblack@eecs.umich.edu 677590Sgblack@eecs.umich.edu # (header_output, decoder_output, decode_block, exec_output) 687590Sgblack@eecs.umich.edu return (self.declareTemplate.subst(iop), 697590Sgblack@eecs.umich.edu self.constructTemplate.subst(iop), 707590Sgblack@eecs.umich.edu self.fullExecTemplate.subst(iop) 717590Sgblack@eecs.umich.edu + self.initiateAccTemplate.subst(iop) 727590Sgblack@eecs.umich.edu + self.completeAccTemplate.subst(iop)) 737119Sgblack@eecs.umich.edu 747422Sgblack@eecs.umich.edu def pickPredicate(blobs): 757422Sgblack@eecs.umich.edu for val in blobs.values(): 767422Sgblack@eecs.umich.edu if re.search('(?<!Opt)CondCodes', val): 777422Sgblack@eecs.umich.edu return condPredicateTest 787422Sgblack@eecs.umich.edu return predicateTest 797422Sgblack@eecs.umich.edu 807119Sgblack@eecs.umich.edu def memClassName(base, post, add, writeback, \ 817119Sgblack@eecs.umich.edu size=4, sign=False, user=False): 827119Sgblack@eecs.umich.edu Name = base 837119Sgblack@eecs.umich.edu 847590Sgblack@eecs.umich.edu parts = { "P" : post, "A" : add, "W" : writeback, 857590Sgblack@eecs.umich.edu "S" : sign, "U" : user } 867119Sgblack@eecs.umich.edu 877590Sgblack@eecs.umich.edu for (letter, val) in parts.items(): 887590Sgblack@eecs.umich.edu if val: 897590Sgblack@eecs.umich.edu Name += "_%sY" % letter 907590Sgblack@eecs.umich.edu else: 917590Sgblack@eecs.umich.edu Name += "_%sN" % letter 927119Sgblack@eecs.umich.edu 937119Sgblack@eecs.umich.edu Name += ('_SZ%d' % size) 947119Sgblack@eecs.umich.edu 957119Sgblack@eecs.umich.edu return Name 967119Sgblack@eecs.umich.edu 977119Sgblack@eecs.umich.edu def buildMemSuffix(sign, size): 987119Sgblack@eecs.umich.edu if size == 4: 997119Sgblack@eecs.umich.edu memSuffix = '' 1007119Sgblack@eecs.umich.edu elif size == 2: 1017119Sgblack@eecs.umich.edu if sign: 1027119Sgblack@eecs.umich.edu memSuffix = '.sh' 1037119Sgblack@eecs.umich.edu else: 1047119Sgblack@eecs.umich.edu memSuffix = '.uh' 1057119Sgblack@eecs.umich.edu elif size == 1: 1067119Sgblack@eecs.umich.edu if sign: 1077119Sgblack@eecs.umich.edu memSuffix = '.sb' 1087119Sgblack@eecs.umich.edu else: 1097119Sgblack@eecs.umich.edu memSuffix = '.ub' 1107119Sgblack@eecs.umich.edu else: 1117590Sgblack@eecs.umich.edu raise Exception, "Unrecognized size for access %d" % size 1127119Sgblack@eecs.umich.edu 1137119Sgblack@eecs.umich.edu return memSuffix 1147119Sgblack@eecs.umich.edu 1157119Sgblack@eecs.umich.edu def buildMemBase(base, post, writeback): 1167119Sgblack@eecs.umich.edu if post and writeback: 1177132Sgblack@eecs.umich.edu base = "MemoryPostIndex<%s>" % base 1187119Sgblack@eecs.umich.edu elif not post and writeback: 1197132Sgblack@eecs.umich.edu base = "MemoryPreIndex<%s>" % base 1207119Sgblack@eecs.umich.edu elif not post and not writeback: 1217132Sgblack@eecs.umich.edu base = "MemoryOffset<%s>" % base 1227119Sgblack@eecs.umich.edu else: 1237119Sgblack@eecs.umich.edu raise Exception, "Illegal combination of post and writeback" 1247119Sgblack@eecs.umich.edu return base 1257119Sgblack@eecs.umich.edu}}; 1267119Sgblack@eecs.umich.edu 127