microasm.isa revision 4528:f0b19ee67a7b 
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// Redistribution and use of this software in source and binary forms,
7// with or without modification, are permitted provided that the
8// following conditions are met:
9//
10// The software must be used only for Non-Commercial Use which means any
11// use which is NOT directed to receiving any direct monetary
12// compensation for, or commercial advantage from such use.  Illustrative
13// examples of non-commercial use are academic research, personal study,
14// teaching, education and corporate research & development.
15// Illustrative examples of commercial use are distributing products for
16// commercial advantage and providing services using the software for
17// commercial advantage.
18//
19// If you wish to use this software or functionality therein that may be
20// covered by patents for commercial use, please contact:
21//     Director of Intellectual Property Licensing
22//     Office of Strategy and Technology
23//     Hewlett-Packard Company
24//     1501 Page Mill Road
25//     Palo Alto, California  94304
26//
27// Redistributions of source code must retain the above copyright notice,
28// this list of conditions and the following disclaimer.  Redistributions
29// in binary form must reproduce the above copyright notice, this list of
30// conditions and the following disclaimer in the documentation and/or
31// other materials provided with the distribution.  Neither the name of
32// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
33// contributors may be used to endorse or promote products derived from
34// this software without specific prior written permission.  No right of
35// sublicense is granted herewith.  Derivatives of the software and
36// output created using the software may be prepared, but only for
37// Non-Commercial Uses.  Derivatives of the software may be shared with
38// others provided: (i) the others agree to abide by the list of
39// conditions herein which includes the Non-Commercial Use restrictions;
40// and (ii) such Derivatives of the software include the above copyright
41// notice to acknowledge the contribution from this software where
42// applicable, this list of conditions and the disclaimer below.
43//
44// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
45// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
46// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
47// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
48// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
49// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
50// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
54// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55//
56// Authors: Gabe Black
57
58//##include "microops/microops.isa"
59//##include "macroop.isa"
60
61let {{
62    import sys
63    sys.path[0:0] = ["src/arch/x86/isa/"]
64    from insts import microcode
65    print microcode
66    from micro_asm import MicroAssembler, Rom_Macroop, Rom
67    mainRom = Rom('main ROM')
68    assembler = MicroAssembler(X86Macroop, microopClasses, mainRom, Rom_Macroop)
69    macroopDict = assembler.assemble(microcode)
70}};
71
72////////////////////////////////////////////////////////////////////
73//
74// Microcode assembler specialization for x86
75//
76
77let {{
78    from micro_asm import MicroAssembler, Combinational_Macroop, Rom_Macroop, Rom
79    class X86Macroop(Combinational_Macroop):
80        def __init__(self, name):
81            super(X86Macroop, self).__init__(name)
82            self.directives = {
83            }
84
85    mainRom = Rom('main ROM')
86}};
87
88let {{
89    class X86Microop(object):
90        def __init__(self, name):
91            self.name = name
92
93        # This converts a list of python bools into
94        # a comma seperated list of C++ bools.
95        def microFlagsText(self, vals):
96            text = ""
97            for val in vals:
98                if val:
99                    text += ", true"
100                else:
101                    text += ", false"
102            return text
103
104        def getAllocator(self, mnemonic, *microFlags):
105            return 'new %s(machInst, %s)' % (self.className, mnemonic, self.microFlagsText(microFlags))
106}};
107