3 // Copyright (c) 2007 The Hewlett-Packard Development Company
4 // All rights reserved.
6 // The license below extends only to copyright in the software and shall
7 // not be construed as granting a license to any other intellectual
8 // property including but not limited to intellectual property relating
9 // to a hardware implementation of the functionality of the software
10 // licensed hereunder. You may use the software subject to the license
11 // terms below provided that you ensure that this notice is replicated
12 // unmodified and in its entirety in all distributions of the software,
13 // modified or unmodified, in source code or in binary form.
15 // Redistribution and use in source and binary forms, with or without
16 // modification, are permitted provided that the following conditions are
17 // met: redistributions of source code must retain the above copyright
18 // notice, this list of conditions and the following disclaimer;
19 // redistributions in binary form must reproduce the above copyright
20 // notice, this list of conditions and the following disclaimer in the
21 // documentation and/or other materials provided with the distribution;
22 // neither the name of the copyright holders nor the names of its
23 // contributors may be used to endorse or promote products derived from
24 // this software without specific prior written permission.
26 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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36 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 // Authors: Gabe Black
41 # This will be populated with mappings between microop mnemonics and
42 # the classes that represent them.
46 //////////////////////////////////////////////////////////////////////////
48 // Base class for the python representation of x86 microops
50 //////////////////////////////////////////////////////////////////////////
53 class X86Microop(object):
55 generatorNameTemplate = "generate_%s_%d"
57 generatorTemplate = '''
59 ''' + generatorNameTemplate + '''(StaticInstPtr curMacroop)
61 static const char *macrocodeBlock = romMnemonic;
62 static const ExtMachInst dummyExtMachInst;
63 static const EmulEnv dummyEmulEnv(0, 0, 1, 1, 1);
65 Macroop * macroop = dynamic_cast<Macroop *>(curMacroop.get());
66 const ExtMachInst &machInst =
67 macroop ? macroop->getExtMachInst() : dummyExtMachInst;
69 macroop ? macroop->getEmulEnv() : dummyEmulEnv;
70 // env may not be used in the microop's constructor.
71 InstRegIndex reg(env.reg);
73 using namespace RomLabels;
78 def __init__(self, name):
81 def microFlagsText(self, flags):
82 wrapped = ("(1ULL << StaticInst::%s)" % flag for flag in flags)
83 return " | ".join(wrapped)
85 def getGeneratorDef(self, micropc):
86 return self.generatorTemplate % \
87 (self.className, micropc, \
88 self.getAllocator(["IsMicroop", "IsDelayedCommit"]))
90 def getGenerator(self, micropc):
91 return self.generatorNameTemplate % (self.className, micropc)