msrs.py revision 5968:6f9f1438360a 
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
29# Copyright (c) 2007-2008 The Hewlett-Packard Development Company
30# All rights reserved.
31#
32# Redistribution and use of this software in source and binary forms,
33# with or without modification, are permitted provided that the
34# following conditions are met:
35#
36# The software must be used only for Non-Commercial Use which means any
37# use which is NOT directed to receiving any direct monetary
38# compensation for, or commercial advantage from such use.  Illustrative
39# examples of non-commercial use are academic research, personal study,
40# teaching, education and corporate research & development.
41# Illustrative examples of commercial use are distributing products for
42# commercial advantage and providing services using the software for
43# commercial advantage.
44#
45# If you wish to use this software or functionality therein that may be
46# covered by patents for commercial use, please contact:
47#     Director of Intellectual Property Licensing
48#     Office of Strategy and Technology
49#     Hewlett-Packard Company
50#     1501 Page Mill Road
51#     Palo Alto, California  94304
52#
53# Redistributions of source code must retain the above copyright notice,
54# this list of conditions and the following disclaimer.  Redistributions
55# in binary form must reproduce the above copyright notice, this list of
56# conditions and the following disclaimer in the documentation and/or
57# other materials provided with the distribution.  Neither the name of
58# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
59# contributors may be used to endorse or promote products derived from
60# this software without specific prior written permission.  No right of
61# sublicense is granted herewith.  Derivatives of the software and
62# output created using the software may be prepared, but only for
63# Non-Commercial Uses.  Derivatives of the software may be shared with
64# others provided: (i) the others agree to abide by the list of
65# conditions herein which includes the Non-Commercial Use restrictions;
66# and (ii) such Derivatives of the software include the above copyright
67# notice to acknowledge the contribution from this software where
68# applicable, this list of conditions and the disclaimer below.
69#
70# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
71# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
72# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
73# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
74# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
75# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
76# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
77# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
78# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
79# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
80# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
81#
82# Authors: Gabe Black
83
84microcode = '''
85def macroop RDMSR
86{
87    ld t2, intseg, [8, rcx, t0], "IntAddrPrefixMSR << 3", \
88        dataSize=8, addressSize=8
89    mov rax, rax, t2, dataSize=4
90    srli t2, t2, 32, dataSize=8
91    mov rdx, rdx, t2, dataSize=4
92};
93
94def macroop WRMSR
95{
96    mov t2, t2, rax, dataSize=4
97    slli t3, rdx, 32, dataSize=8
98    or t2, t2, t3, dataSize=8
99    st t2, intseg, [8, rcx, t0], "IntAddrPrefixMSR << 3", \
100        dataSize=8, addressSize=8
101};
102
103def macroop RDTSC
104{
105    rdtsc t1
106    mov rax, rax, t1, dataSize=4
107    srli t1, t1, 32, dataSize=8
108    mov rdx, rdx, t1, dataSize=4
109};
110'''
111