segmentation.py (5294:7222bdaed33b) segmentation.py (5683:e1a1d8bba254)
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 = '''
57def macroop LGDT_M
58{
59 .adjust_env oszForPseudoDesc
60
61 # Get the limit
62 ld t1, seg, sib, disp, dataSize=2
63 # Get the base
64 ld t2, seg, sib, 'adjustedDisp + 2'
65 wrbase tsg, t2
66 wrlimit tsg, t1
67};
68
69def macroop LGDT_P
70{
71 .adjust_env oszForPseudoDesc
72
73 rdip t7
74 # Get the limit
75 ld t1, seg, riprel, disp, dataSize=2
76 # Get the base
77 ld t2, seg, riprel, 'adjustedDisp + 2'
78 wrbase tsg, t2
79 wrlimit tsg, t1
80};
81
82#
83# These versions are for when the original data size was 16 bits. The base is
84# still 32 bits, but the top byte is zeroed before being used.
85#
86
87def macroop LGDT_16_M
88{
89 .adjust_env oszForPseudoDesc
90
91 # Get the limit
92 ld t1, seg, sib, disp, dataSize=2
93 # Get the base
94 ld t2, seg, sib, 'adjustedDisp + 2', dataSize=4
95 zexti t2, t2, 23
96 wrbase tsg, t2
97 wrlimit tsg, t1
98};
99
100def macroop LGDT_16_P
101{
102 .adjust_env oszForPseudoDesc
103
104 rdip t7
105 # Get the limit
106 ld t1, seg, riprel, disp, dataSize=2
107 # Get the base
108 ld t2, seg, riprel, 'adjustedDisp + 2', dataSize=4
109 zexti t2, t2, 23
110 wrbase tsg, t2
111 wrlimit tsg, t1
112};
113
114def macroop LIDT_M
115{
116 .adjust_env oszForPseudoDesc
117
118 # Get the limit
119 ld t1, seg, sib, disp, dataSize=2
120 # Get the base
121 ld t2, seg, sib, 'adjustedDisp + 2'
122 wrbase idtr, t2
123 wrlimit idtr, t1
124};
125
126def macroop LIDT_P
127{
128 .adjust_env oszForPseudoDesc
129
130 rdip t7
131 # Get the limit
132 ld t1, seg, riprel, disp, dataSize=2
133 # Get the base
134 ld t2, seg, riprel, 'adjustedDisp + 2'
135 wrbase idtr, t2
136 wrlimit idtr, t1
137};
138
139#
140# These versions are for when the original data size was 16 bits. The base is
141# still 32 bits, but the top byte is zeroed before being used.
142#
143
144def macroop LIDT_16_M
145{
146 .adjust_env oszForPseudoDesc
147
148 # Get the limit
149 ld t1, seg, sib, disp, dataSize=2
150 # Get the base
151 ld t2, seg, sib, 'adjustedDisp + 2', dataSize=4
152 zexti t2, t2, 23
153 wrbase idtr, t2
154 wrlimit idtr, t1
155};
156
157def macroop LIDT_16_P
158{
159 .adjust_env oszForPseudoDesc
160
161 rdip t7
162 # Get the limit
163 ld t1, seg, riprel, disp, dataSize=2
164 # Get the base
165 ld t2, seg, riprel, 'adjustedDisp + 2', dataSize=4
166 zexti t2, t2, 23
167 wrbase idtr, t2
168 wrlimit idtr, t1
169};
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 = '''
57def macroop LGDT_M
58{
59 .adjust_env oszForPseudoDesc
60
61 # Get the limit
62 ld t1, seg, sib, disp, dataSize=2
63 # Get the base
64 ld t2, seg, sib, 'adjustedDisp + 2'
65 wrbase tsg, t2
66 wrlimit tsg, t1
67};
68
69def macroop LGDT_P
70{
71 .adjust_env oszForPseudoDesc
72
73 rdip t7
74 # Get the limit
75 ld t1, seg, riprel, disp, dataSize=2
76 # Get the base
77 ld t2, seg, riprel, 'adjustedDisp + 2'
78 wrbase tsg, t2
79 wrlimit tsg, t1
80};
81
82#
83# These versions are for when the original data size was 16 bits. The base is
84# still 32 bits, but the top byte is zeroed before being used.
85#
86
87def macroop LGDT_16_M
88{
89 .adjust_env oszForPseudoDesc
90
91 # Get the limit
92 ld t1, seg, sib, disp, dataSize=2
93 # Get the base
94 ld t2, seg, sib, 'adjustedDisp + 2', dataSize=4
95 zexti t2, t2, 23
96 wrbase tsg, t2
97 wrlimit tsg, t1
98};
99
100def macroop LGDT_16_P
101{
102 .adjust_env oszForPseudoDesc
103
104 rdip t7
105 # Get the limit
106 ld t1, seg, riprel, disp, dataSize=2
107 # Get the base
108 ld t2, seg, riprel, 'adjustedDisp + 2', dataSize=4
109 zexti t2, t2, 23
110 wrbase tsg, t2
111 wrlimit tsg, t1
112};
113
114def macroop LIDT_M
115{
116 .adjust_env oszForPseudoDesc
117
118 # Get the limit
119 ld t1, seg, sib, disp, dataSize=2
120 # Get the base
121 ld t2, seg, sib, 'adjustedDisp + 2'
122 wrbase idtr, t2
123 wrlimit idtr, t1
124};
125
126def macroop LIDT_P
127{
128 .adjust_env oszForPseudoDesc
129
130 rdip t7
131 # Get the limit
132 ld t1, seg, riprel, disp, dataSize=2
133 # Get the base
134 ld t2, seg, riprel, 'adjustedDisp + 2'
135 wrbase idtr, t2
136 wrlimit idtr, t1
137};
138
139#
140# These versions are for when the original data size was 16 bits. The base is
141# still 32 bits, but the top byte is zeroed before being used.
142#
143
144def macroop LIDT_16_M
145{
146 .adjust_env oszForPseudoDesc
147
148 # Get the limit
149 ld t1, seg, sib, disp, dataSize=2
150 # Get the base
151 ld t2, seg, sib, 'adjustedDisp + 2', dataSize=4
152 zexti t2, t2, 23
153 wrbase idtr, t2
154 wrlimit idtr, t1
155};
156
157def macroop LIDT_16_P
158{
159 .adjust_env oszForPseudoDesc
160
161 rdip t7
162 # Get the limit
163 ld t1, seg, riprel, disp, dataSize=2
164 # Get the base
165 ld t2, seg, riprel, 'adjustedDisp + 2', dataSize=4
166 zexti t2, t2, 23
167 wrbase idtr, t2
168 wrlimit idtr, t1
169};
170
171def macroop SWAPGS
172{
173 rdval t1, kernel_gs_base, dataSize=8
174 rdbase t2, gs, dataSize=8
175 wrbase gs, t1, dataSize=8
176 wrval kernel_gs_base, t2, dataSize=8
177};
170'''
178'''