string_io.py revision 8103:53c2d9b1c15d 
1# Copyright (c) 2007-2008 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder.  You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Redistribution and use in source and binary forms, with or without
14# modification, are permitted provided that the following conditions are
15# met: redistributions of source code must retain the above copyright
16# notice, this list of conditions and the following disclaimer;
17# redistributions in binary form must reproduce the above copyright
18# notice, this list of conditions and the following disclaimer in the
19# documentation and/or other materials provided with the distribution;
20# neither the name of the copyright holders nor the names of its
21# contributors may be used to endorse or promote products derived from
22# this software without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36# Authors: Gabe Black
37
38microcode = '''
39def macroop INS_M_R {
40    # Find the constant we need to either add or subtract from rdi
41    ruflag t0, 10
42    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
43    subi t4, t0, dsz, dataSize=asz
44    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
45
46    zexti t2, reg, 15, dataSize=8
47
48    ld t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8, \
49        nonSpec=True
50    st t6, es, [1, t0, rdi]
51
52    add rdi, rdi, t3, dataSize=asz
53};
54
55def macroop INS_E_M_R {
56    and t0, rcx, rcx, flags=(EZF,), dataSize=asz
57    br label("end"), flags=(CEZF,)
58    # Find the constant we need to either add or subtract from rdi
59    ruflag t0, 10
60    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
61    subi t4, t0, dsz, dataSize=asz
62    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
63
64    zexti t2, reg, 15, dataSize=8
65
66topOfLoop:
67    ld t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8, \
68        nonSpec=True
69    st t6, es, [1, t0, rdi]
70
71    subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
72    add rdi, rdi, t3, dataSize=asz
73    br label("topOfLoop"), flags=(nCEZF,)
74end:
75    fault "NoFault"
76};
77
78def macroop OUTS_R_M {
79    # Find the constant we need to either add or subtract from rdi
80    ruflag t0, 10
81    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
82    subi t4, t0, dsz, dataSize=asz
83    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
84
85    zexti t2, reg, 15, dataSize=8
86
87    ld t6, ds, [1, t0, rsi]
88    st t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8, \
89        nonSpec=True
90
91    add rsi, rsi, t3, dataSize=asz
92};
93
94def macroop OUTS_E_R_M {
95    and t0, rcx, rcx, flags=(EZF,), dataSize=asz
96    br label("end"), flags=(CEZF,)
97    # Find the constant we need to either add or subtract from rdi
98    ruflag t0, 10
99    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
100    subi t4, t0, dsz, dataSize=asz
101    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
102
103    zexti t2, reg, 15, dataSize=8
104
105topOfLoop:
106    ld t6, ds, [1, t0, rsi]
107    st t6, intseg, [1, t2, t0], "IntAddrPrefixIO << 3", addressSize=8, \
108        nonSpec=True
109
110    subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
111    add rsi, rsi, t3, dataSize=asz
112    br label("topOfLoop"), flags=(nCEZF,)
113end:
114    fault "NoFault"
115};
116'''
117