rom.isa (5667:78b94954f66a) rom.isa (5676:cca6726c0d88)
1// Copyright (c) 2008 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright
9// notice, this list of conditions and the following disclaimer in the
10// documentation and/or other materials provided with the distribution;
11// neither the name of the copyright holders nor the names of its
12// contributors may be used to endorse or promote products derived from
13// this software without specific prior written permission.
14//
15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26//
27// Authors: Gabe Black
28
29def template MicroRomConstructor {{
30
31 %(define_generators)s
32 const MicroPC X86ISA::MicrocodeRom::numMicroops = %(num_microops)s;
33
34 X86ISA::MicrocodeRom::MicrocodeRom()
35 {
36 using namespace RomLabels;
37 genFuncs = new GenFunc[numMicroops];
38 %(alloc_generators)s;
39 }
40}};
41
42let {{
43 from micro_asm import Rom
44
45 class X86MicrocodeRom(Rom):
46 def __init__(self, name):
47 super(X86MicrocodeRom, self).__init__(name)
48 self.directives = {}
49
50 def add_microop(self, mnemonic, microop):
51 microop.mnemonic = mnemonic
52 microop.micropc = len(self.microops)
53 self.microops.append(microop)
54
55
56 def getDeclaration(self):
57 declareLabels = "namespace RomLabels {\n"
1// Copyright (c) 2008 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright
9// notice, this list of conditions and the following disclaimer in the
10// documentation and/or other materials provided with the distribution;
11// neither the name of the copyright holders nor the names of its
12// contributors may be used to endorse or promote products derived from
13// this software without specific prior written permission.
14//
15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26//
27// Authors: Gabe Black
28
29def template MicroRomConstructor {{
30
31 %(define_generators)s
32 const MicroPC X86ISA::MicrocodeRom::numMicroops = %(num_microops)s;
33
34 X86ISA::MicrocodeRom::MicrocodeRom()
35 {
36 using namespace RomLabels;
37 genFuncs = new GenFunc[numMicroops];
38 %(alloc_generators)s;
39 }
40}};
41
42let {{
43 from micro_asm import Rom
44
45 class X86MicrocodeRom(Rom):
46 def __init__(self, name):
47 super(X86MicrocodeRom, self).__init__(name)
48 self.directives = {}
49
50 def add_microop(self, mnemonic, microop):
51 microop.mnemonic = mnemonic
52 microop.micropc = len(self.microops)
53 self.microops.append(microop)
54
55
56 def getDeclaration(self):
57 declareLabels = "namespace RomLabels {\n"
58 for (label, microop) in self.labels.items():
59 declareLabels += "const static uint64_t label_%s = %d;\n" \
60 % (label, microop.micropc)
58 for (label, microop) in self.externs.items():
59 declareLabels += \
60 "const static MicroPC extern_label_%s = %d;\n" \
61 % (label, microop.micropc)
62 declareLabels += "}\n"
63 return declareLabels;
64
65 def getDefinition(self):
66 numMicroops = len(self.microops)
67 allocGenerators = ''
68 micropc = 0
69 define_generators = '''
70 namespace
71 {
72 static const char romMnemonic[] = "Microcode_ROM";
73 '''
74 for op in self.microops:
75 define_generators += op.getGeneratorDef(micropc)
76 allocGenerators += "genFuncs[%d] = %s;\n" % \
77 (micropc, op.getGenerator(micropc))
78 micropc += 1
79 define_generators += "}\n"
80 iop = InstObjParams(self.name, self.name, "MicrocodeRom",
81 {"code" : "",
82 "define_generators" : define_generators,
83 "num_microops" : numMicroops,
84 "alloc_generators" : allocGenerators
85 })
86 return MicroRomConstructor.subst(iop);
87}};
61 for (label, microop) in self.externs.items():
62 declareLabels += \
63 "const static MicroPC extern_label_%s = %d;\n" \
64 % (label, microop.micropc)
65 declareLabels += "}\n"
66 return declareLabels;
67
68 def getDefinition(self):
69 numMicroops = len(self.microops)
70 allocGenerators = ''
71 micropc = 0
72 define_generators = '''
73 namespace
74 {
75 static const char romMnemonic[] = "Microcode_ROM";
76 '''
77 for op in self.microops:
78 define_generators += op.getGeneratorDef(micropc)
79 allocGenerators += "genFuncs[%d] = %s;\n" % \
80 (micropc, op.getGenerator(micropc))
81 micropc += 1
82 define_generators += "}\n"
83 iop = InstObjParams(self.name, self.name, "MicrocodeRom",
84 {"code" : "",
85 "define_generators" : define_generators,
86 "num_microops" : numMicroops,
87 "alloc_generators" : allocGenerators
88 })
89 return MicroRomConstructor.subst(iop);
90}};