gem5  v20.1.0.0
handlers.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2003-2004 The Regents of The University of Michigan
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met: redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer;
9  * redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution;
12  * neither the name of the copyright holders nor the names of its
13  * contributors may be used to endorse or promote products derived from
14  * this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef __ARCH_SPARC_HANDLERS_HH__
30 #define __ARCH_SPARC_HANDLERS_HH__
31 
32 #include "arch/sparc/isa_traits.hh"
33 #include "arch/sparc/types.hh"
34 #include "sim/byteswap.hh"
35 
36 namespace SparcISA {
37 
38 // We only use 19 instructions for the trap handlers, but there would be
39 // space for 32 in a real SPARC trap table.
40 const int numFillInsts = 32;
41 const int numSpillInsts = 32;
42 
43 const MachInst fillHandler64[numFillInsts] =
44 {
45  htobe<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
46  htobe<MachInst>(0xe0dba7ff), // ldxa [%sp + BIAS + (0*8)] %asi, %l0
47  htobe<MachInst>(0xe2dba807), // ldxa [%sp + BIAS + (1*8)] %asi, %l1
48  htobe<MachInst>(0xe4dba80f), // ldxa [%sp + BIAS + (2*8)] %asi, %l2
49  htobe<MachInst>(0xe6dba817), // ldxa [%sp + BIAS + (3*8)] %asi, %l3
50  htobe<MachInst>(0xe8dba81f), // ldxa [%sp + BIAS + (4*8)] %asi, %l4
51  htobe<MachInst>(0xeadba827), // ldxa [%sp + BIAS + (5*8)] %asi, %l5
52  htobe<MachInst>(0xecdba82f), // ldxa [%sp + BIAS + (6*8)] %asi, %l6
53  htobe<MachInst>(0xeedba837), // ldxa [%sp + BIAS + (7*8)] %asi, %l7
54  htobe<MachInst>(0xf0dba83f), // ldxa [%sp + BIAS + (8*8)] %asi, %i0
55  htobe<MachInst>(0xf2dba847), // ldxa [%sp + BIAS + (9*8)] %asi, %i1
56  htobe<MachInst>(0xf4dba84f), // ldxa [%sp + BIAS + (10*8)] %asi, %i2
57  htobe<MachInst>(0xf6dba857), // ldxa [%sp + BIAS + (11*8)] %asi, %i3
58  htobe<MachInst>(0xf8dba85f), // ldxa [%sp + BIAS + (12*8)] %asi, %i4
59  htobe<MachInst>(0xfadba867), // ldxa [%sp + BIAS + (13*8)] %asi, %i5
60  htobe<MachInst>(0xfcdba86f), // ldxa [%sp + BIAS + (14*8)] %asi, %i6
61  htobe<MachInst>(0xfedba877), // ldxa [%sp + BIAS + (15*8)] %asi, %i7
62  htobe<MachInst>(0x83880000), // restored
63  htobe<MachInst>(0x83F00000), // retry
64  htobe<MachInst>(0x00000000), // illtrap
65  htobe<MachInst>(0x00000000), // illtrap
66  htobe<MachInst>(0x00000000), // illtrap
67  htobe<MachInst>(0x00000000), // illtrap
68  htobe<MachInst>(0x00000000), // illtrap
69  htobe<MachInst>(0x00000000), // illtrap
70  htobe<MachInst>(0x00000000), // illtrap
71  htobe<MachInst>(0x00000000), // illtrap
72  htobe<MachInst>(0x00000000), // illtrap
73  htobe<MachInst>(0x00000000), // illtrap
74  htobe<MachInst>(0x00000000), // illtrap
75  htobe<MachInst>(0x00000000), // illtrap
76  htobe<MachInst>(0x00000000) // illtrap
77 };
78 
79 const MachInst fillHandler32[numFillInsts] =
80 {
81  htobe<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
82  htobe<MachInst>(0xe083a000), // lduwa [%sp + (0*4)] %asi, %l0
83  htobe<MachInst>(0xe283a004), // lduwa [%sp + (1*4)] %asi, %l1
84  htobe<MachInst>(0xe483a008), // lduwa [%sp + (2*4)] %asi, %l2
85  htobe<MachInst>(0xe683a00c), // lduwa [%sp + (3*4)] %asi, %l3
86  htobe<MachInst>(0xe883a010), // lduwa [%sp + (4*4)] %asi, %l4
87  htobe<MachInst>(0xea83a014), // lduwa [%sp + (5*4)] %asi, %l5
88  htobe<MachInst>(0xec83a018), // lduwa [%sp + (6*4)] %asi, %l6
89  htobe<MachInst>(0xee83a01c), // lduwa [%sp + (7*4)] %asi, %l7
90  htobe<MachInst>(0xf083a020), // lduwa [%sp + (8*4)] %asi, %i0
91  htobe<MachInst>(0xf283a024), // lduwa [%sp + (9*4)] %asi, %i1
92  htobe<MachInst>(0xf483a028), // lduwa [%sp + (10*4)] %asi, %i2
93  htobe<MachInst>(0xf683a02c), // lduwa [%sp + (11*4)] %asi, %i3
94  htobe<MachInst>(0xf883a030), // lduwa [%sp + (12*4)] %asi, %i4
95  htobe<MachInst>(0xfa83a034), // lduwa [%sp + (13*4)] %asi, %i5
96  htobe<MachInst>(0xfc83a038), // lduwa [%sp + (14*4)] %asi, %i6
97  htobe<MachInst>(0xfe83a03c), // lduwa [%sp + (15*4)] %asi, %i7
98  htobe<MachInst>(0x83880000), // restored
99  htobe<MachInst>(0x83F00000), // retry
100  htobe<MachInst>(0x00000000), // illtrap
101  htobe<MachInst>(0x00000000), // illtrap
102  htobe<MachInst>(0x00000000), // illtrap
103  htobe<MachInst>(0x00000000), // illtrap
104  htobe<MachInst>(0x00000000), // illtrap
105  htobe<MachInst>(0x00000000), // illtrap
106  htobe<MachInst>(0x00000000), // illtrap
107  htobe<MachInst>(0x00000000), // illtrap
108  htobe<MachInst>(0x00000000), // illtrap
109  htobe<MachInst>(0x00000000), // illtrap
110  htobe<MachInst>(0x00000000), // illtrap
111  htobe<MachInst>(0x00000000), // illtrap
112  htobe<MachInst>(0x00000000) // illtrap
113 };
114 
115 const MachInst spillHandler64[numSpillInsts] =
116 {
117  htobe<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
118  htobe<MachInst>(0xe0f3a7ff), // stxa %l0, [%sp + BIAS + (0*8)] %asi
119  htobe<MachInst>(0xe2f3a807), // stxa %l1, [%sp + BIAS + (1*8)] %asi
120  htobe<MachInst>(0xe4f3a80f), // stxa %l2, [%sp + BIAS + (2*8)] %asi
121  htobe<MachInst>(0xe6f3a817), // stxa %l3, [%sp + BIAS + (3*8)] %asi
122  htobe<MachInst>(0xe8f3a81f), // stxa %l4, [%sp + BIAS + (4*8)] %asi
123  htobe<MachInst>(0xeaf3a827), // stxa %l5, [%sp + BIAS + (5*8)] %asi
124  htobe<MachInst>(0xecf3a82f), // stxa %l6, [%sp + BIAS + (6*8)] %asi
125  htobe<MachInst>(0xeef3a837), // stxa %l7, [%sp + BIAS + (7*8)] %asi
126  htobe<MachInst>(0xf0f3a83f), // stxa %i0, [%sp + BIAS + (8*8)] %asi
127  htobe<MachInst>(0xf2f3a847), // stxa %i1, [%sp + BIAS + (9*8)] %asi
128  htobe<MachInst>(0xf4f3a84f), // stxa %i2, [%sp + BIAS + (10*8)] %asi
129  htobe<MachInst>(0xf6f3a857), // stxa %i3, [%sp + BIAS + (11*8)] %asi
130  htobe<MachInst>(0xf8f3a85f), // stxa %i4, [%sp + BIAS + (12*8)] %asi
131  htobe<MachInst>(0xfaf3a867), // stxa %i5, [%sp + BIAS + (13*8)] %asi
132  htobe<MachInst>(0xfcf3a86f), // stxa %i6, [%sp + BIAS + (14*8)] %asi
133  htobe<MachInst>(0xfef3a877), // stxa %i7, [%sp + BIAS + (15*8)] %asi
134  htobe<MachInst>(0x81880000), // saved
135  htobe<MachInst>(0x83F00000), // retry
136  htobe<MachInst>(0x00000000), // illtrap
137  htobe<MachInst>(0x00000000), // illtrap
138  htobe<MachInst>(0x00000000), // illtrap
139  htobe<MachInst>(0x00000000), // illtrap
140  htobe<MachInst>(0x00000000), // illtrap
141  htobe<MachInst>(0x00000000), // illtrap
142  htobe<MachInst>(0x00000000), // illtrap
143  htobe<MachInst>(0x00000000), // illtrap
144  htobe<MachInst>(0x00000000), // illtrap
145  htobe<MachInst>(0x00000000), // illtrap
146  htobe<MachInst>(0x00000000), // illtrap
147  htobe<MachInst>(0x00000000), // illtrap
148  htobe<MachInst>(0x00000000) // illtrap
149 };
150 
151 const MachInst spillHandler32[numSpillInsts] =
152 {
153  htobe<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
154  htobe<MachInst>(0xe0a3a000), // stwa %l0, [%sp + (0*4)] %asi
155  htobe<MachInst>(0xe2a3a004), // stwa %l1, [%sp + (1*4)] %asi
156  htobe<MachInst>(0xe4a3a008), // stwa %l2, [%sp + (2*4)] %asi
157  htobe<MachInst>(0xe6a3a00c), // stwa %l3, [%sp + (3*4)] %asi
158  htobe<MachInst>(0xe8a3a010), // stwa %l4, [%sp + (4*4)] %asi
159  htobe<MachInst>(0xeaa3a014), // stwa %l5, [%sp + (5*4)] %asi
160  htobe<MachInst>(0xeca3a018), // stwa %l6, [%sp + (6*4)] %asi
161  htobe<MachInst>(0xeea3a01c), // stwa %l7, [%sp + (7*4)] %asi
162  htobe<MachInst>(0xf0a3a020), // stwa %i0, [%sp + (8*4)] %asi
163  htobe<MachInst>(0xf2a3a024), // stwa %i1, [%sp + (9*4)] %asi
164  htobe<MachInst>(0xf4a3a028), // stwa %i2, [%sp + (10*4)] %asi
165  htobe<MachInst>(0xf6a3a02c), // stwa %i3, [%sp + (11*4)] %asi
166  htobe<MachInst>(0xf8a3a030), // stwa %i4, [%sp + (12*4)] %asi
167  htobe<MachInst>(0xfaa3a034), // stwa %i5, [%sp + (13*4)] %asi
168  htobe<MachInst>(0xfca3a038), // stwa %i6, [%sp + (14*4)] %asi
169  htobe<MachInst>(0xfea3a03c), // stwa %i7, [%sp + (15*4)] %asi
170  htobe<MachInst>(0x81880000), // saved
171  htobe<MachInst>(0x83F00000), // retry
172  htobe<MachInst>(0x00000000), // illtrap
173  htobe<MachInst>(0x00000000), // illtrap
174  htobe<MachInst>(0x00000000), // illtrap
175  htobe<MachInst>(0x00000000), // illtrap
176  htobe<MachInst>(0x00000000), // illtrap
177  htobe<MachInst>(0x00000000), // illtrap
178  htobe<MachInst>(0x00000000), // illtrap
179  htobe<MachInst>(0x00000000), // illtrap
180  htobe<MachInst>(0x00000000), // illtrap
181  htobe<MachInst>(0x00000000), // illtrap
182  htobe<MachInst>(0x00000000), // illtrap
183  htobe<MachInst>(0x00000000), // illtrap
184  htobe<MachInst>(0x00000000) // illtrap
185 };
186 
187 } // namespace SparcISA
188 #endif // __ARCH_SPARC_HANDLERS_HH__
SparcISA::MachInst
uint32_t MachInst
Definition: types.hh:38
SparcISA::fillHandler64
const MachInst fillHandler64[numFillInsts]
Definition: handlers.hh:43
SparcISA::spillHandler32
const MachInst spillHandler32[numSpillInsts]
Definition: handlers.hh:151
SparcISA::spillHandler64
const MachInst spillHandler64[numSpillInsts]
Definition: handlers.hh:115
SparcISA
Definition: asi.cc:31
isa_traits.hh
SparcISA::numSpillInsts
const int numSpillInsts
Definition: handlers.hh:41
types.hh
SparcISA::numFillInsts
const int numFillInsts
Definition: handlers.hh:40
SparcISA::fillHandler32
const MachInst fillHandler32[numFillInsts]
Definition: handlers.hh:79
byteswap.hh
Generated on Wed Sep 30 2020 14:02:07 for gem5 by doxygen 1.8.17