1# Copyright (c) 2007 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any
9# use which is NOT directed to receiving any direct monetary
10# compensation for, or commercial advantage from such use. Illustrative
11# examples of non-commercial use are academic research, personal study,
12# teaching, education and corporate research & development.
13# Illustrative examples of commercial use are distributing products for
14# commercial advantage and providing services using the software for
15# commercial advantage.
16#
17# If you wish to use this software or functionality therein that may be
18# covered by patents for commercial use, please contact:
19# Director of Intellectual Property Licensing
20# Office of Strategy and Technology
21# Hewlett-Packard Company
22# 1501 Page Mill Road
23# Palo Alto, California 94304
24#
25# Redistributions of source code must retain the above copyright notice,
26# this list of conditions and the following disclaimer. Redistributions
27# in binary form must reproduce the above copyright notice, this list of
28# conditions and the following disclaimer in the documentation and/or
29# other materials provided with the distribution. Neither the name of
30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
31# contributors may be used to endorse or promote products derived from
32# this software without specific prior written permission. No right of
33# sublicense is granted herewith. Derivatives of the software and
34# output created using the software may be prepared, but only for
35# Non-Commercial Uses. Derivatives of the software may be shared with
36# others provided: (i) the others agree to abide by the list of
37# conditions herein which includes the Non-Commercial Use restrictions;
38# and (ii) such Derivatives of the software include the above copyright
39# notice to acknowledge the contribution from this software where
40# applicable, this list of conditions and the disclaimer below.
41#
42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53#
54# Authors: Gabe Black
55
56microcode = '''
57
58# All the memory versions need to use LOCK, regardless of if it was set
59
60def macroop XCHG_R_R
61{
62 # Use the xor trick instead of moves to reduce register pressure.
63 # This probably doesn't make much of a difference, but it's easy.
64 xor reg, reg, regm
65 xor regm, regm, reg
66 xor reg, reg, regm
67};
68
69def macroop XCHG_R_M
70{
71 ldst t1, seg, sib, disp
72 st reg, seg, sib, disp
73 mov reg, reg, t1
74};
75
76def macroop XCHG_R_P
77{
78 rdip t7
79 ldst t1, seg, riprel, disp
80 st reg, seg, riprel, disp
81 mov reg, reg, t1
82};
83
84def macroop XCHG_M_R
85{
86 ldst t1, seg, sib, disp
87 st reg, seg, sib, disp
88 mov reg, reg, t1
89};
90
91def macroop XCHG_P_R
92{
93 rdip t7
94 ldst t1, seg, riprel, disp
95 st reg, seg, riprel, disp
96 mov reg, reg, t1
97};
| 1# Copyright (c) 2007 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any
9# use which is NOT directed to receiving any direct monetary
10# compensation for, or commercial advantage from such use. Illustrative
11# examples of non-commercial use are academic research, personal study,
12# teaching, education and corporate research & development.
13# Illustrative examples of commercial use are distributing products for
14# commercial advantage and providing services using the software for
15# commercial advantage.
16#
17# If you wish to use this software or functionality therein that may be
18# covered by patents for commercial use, please contact:
19# Director of Intellectual Property Licensing
20# Office of Strategy and Technology
21# Hewlett-Packard Company
22# 1501 Page Mill Road
23# Palo Alto, California 94304
24#
25# Redistributions of source code must retain the above copyright notice,
26# this list of conditions and the following disclaimer. Redistributions
27# in binary form must reproduce the above copyright notice, this list of
28# conditions and the following disclaimer in the documentation and/or
29# other materials provided with the distribution. Neither the name of
30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
31# contributors may be used to endorse or promote products derived from
32# this software without specific prior written permission. No right of
33# sublicense is granted herewith. Derivatives of the software and
34# output created using the software may be prepared, but only for
35# Non-Commercial Uses. Derivatives of the software may be shared with
36# others provided: (i) the others agree to abide by the list of
37# conditions herein which includes the Non-Commercial Use restrictions;
38# and (ii) such Derivatives of the software include the above copyright
39# notice to acknowledge the contribution from this software where
40# applicable, this list of conditions and the disclaimer below.
41#
42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53#
54# Authors: Gabe Black
55
56microcode = '''
57
58# All the memory versions need to use LOCK, regardless of if it was set
59
60def macroop XCHG_R_R
61{
62 # Use the xor trick instead of moves to reduce register pressure.
63 # This probably doesn't make much of a difference, but it's easy.
64 xor reg, reg, regm
65 xor regm, regm, reg
66 xor reg, reg, regm
67};
68
69def macroop XCHG_R_M
70{
71 ldst t1, seg, sib, disp
72 st reg, seg, sib, disp
73 mov reg, reg, t1
74};
75
76def macroop XCHG_R_P
77{
78 rdip t7
79 ldst t1, seg, riprel, disp
80 st reg, seg, riprel, disp
81 mov reg, reg, t1
82};
83
84def macroop XCHG_M_R
85{
86 ldst t1, seg, sib, disp
87 st reg, seg, sib, disp
88 mov reg, reg, t1
89};
90
91def macroop XCHG_P_R
92{
93 rdip t7
94 ldst t1, seg, riprel, disp
95 st reg, seg, riprel, disp
96 mov reg, reg, t1
97};
|