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 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_SPARC_HANDLERS_HH__
32#define __ARCH_SPARC_HANDLERS_HH__
33
34#include "arch/sparc/isa_traits.hh"
35#include "arch/sparc/types.hh"
36#include "sim/byteswap.hh"
37
38namespace SparcISA {
39
40// We only use 19 instructions for the trap handlers, but there would be
41// space for 32 in a real SPARC trap table.
42const int numFillInsts = 32;
43const int numSpillInsts = 32;
44
45const MachInst fillHandler64[numFillInsts] =
46{
47    htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
48    htog<MachInst>(0xe0dba7ff), // ldxa [%sp + BIAS + (0*8)] %asi, %l0
49    htog<MachInst>(0xe2dba807), // ldxa [%sp + BIAS + (1*8)] %asi, %l1
50    htog<MachInst>(0xe4dba80f), // ldxa [%sp + BIAS + (2*8)] %asi, %l2
51    htog<MachInst>(0xe6dba817), // ldxa [%sp + BIAS + (3*8)] %asi, %l3
52    htog<MachInst>(0xe8dba81f), // ldxa [%sp + BIAS + (4*8)] %asi, %l4
53    htog<MachInst>(0xeadba827), // ldxa [%sp + BIAS + (5*8)] %asi, %l5
54    htog<MachInst>(0xecdba82f), // ldxa [%sp + BIAS + (6*8)] %asi, %l6
55    htog<MachInst>(0xeedba837), // ldxa [%sp + BIAS + (7*8)] %asi, %l7
56    htog<MachInst>(0xf0dba83f), // ldxa [%sp + BIAS + (8*8)] %asi, %i0
57    htog<MachInst>(0xf2dba847), // ldxa [%sp + BIAS + (9*8)] %asi, %i1
58    htog<MachInst>(0xf4dba84f), // ldxa [%sp + BIAS + (10*8)] %asi, %i2
59    htog<MachInst>(0xf6dba857), // ldxa [%sp + BIAS + (11*8)] %asi, %i3
60    htog<MachInst>(0xf8dba85f), // ldxa [%sp + BIAS + (12*8)] %asi, %i4
61    htog<MachInst>(0xfadba867), // ldxa [%sp + BIAS + (13*8)] %asi, %i5
62    htog<MachInst>(0xfcdba86f), // ldxa [%sp + BIAS + (14*8)] %asi, %i6
63    htog<MachInst>(0xfedba877), // ldxa [%sp + BIAS + (15*8)] %asi, %i7
64    htog<MachInst>(0x83880000), // restored
65    htog<MachInst>(0x83F00000), // retry
66    htog<MachInst>(0x00000000), // illtrap
67    htog<MachInst>(0x00000000), // illtrap
68    htog<MachInst>(0x00000000), // illtrap
69    htog<MachInst>(0x00000000), // illtrap
70    htog<MachInst>(0x00000000), // illtrap
71    htog<MachInst>(0x00000000), // illtrap
72    htog<MachInst>(0x00000000), // illtrap
73    htog<MachInst>(0x00000000), // illtrap
74    htog<MachInst>(0x00000000), // illtrap
75    htog<MachInst>(0x00000000), // illtrap
76    htog<MachInst>(0x00000000), // illtrap
77    htog<MachInst>(0x00000000), // illtrap
78    htog<MachInst>(0x00000000)  // illtrap
79};
80
81const MachInst fillHandler32[numFillInsts] =
82{
83    htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
84    htog<MachInst>(0xe083a000), // lduwa [%sp + (0*4)] %asi, %l0
85    htog<MachInst>(0xe283a004), // lduwa [%sp + (1*4)] %asi, %l1
86    htog<MachInst>(0xe483a008), // lduwa [%sp + (2*4)] %asi, %l2
87    htog<MachInst>(0xe683a00c), // lduwa [%sp + (3*4)] %asi, %l3
88    htog<MachInst>(0xe883a010), // lduwa [%sp + (4*4)] %asi, %l4
89    htog<MachInst>(0xea83a014), // lduwa [%sp + (5*4)] %asi, %l5
90    htog<MachInst>(0xec83a018), // lduwa [%sp + (6*4)] %asi, %l6
91    htog<MachInst>(0xee83a01c), // lduwa [%sp + (7*4)] %asi, %l7
92    htog<MachInst>(0xf083a020), // lduwa [%sp + (8*4)] %asi, %i0
93    htog<MachInst>(0xf283a024), // lduwa [%sp + (9*4)] %asi, %i1
94    htog<MachInst>(0xf483a028), // lduwa [%sp + (10*4)] %asi, %i2
95    htog<MachInst>(0xf683a02c), // lduwa [%sp + (11*4)] %asi, %i3
96    htog<MachInst>(0xf883a030), // lduwa [%sp + (12*4)] %asi, %i4
97    htog<MachInst>(0xfa83a034), // lduwa [%sp + (13*4)] %asi, %i5
98    htog<MachInst>(0xfc83a038), // lduwa [%sp + (14*4)] %asi, %i6
99    htog<MachInst>(0xfe83a03c), // lduwa [%sp + (15*4)] %asi, %i7
100    htog<MachInst>(0x83880000), // restored
101    htog<MachInst>(0x83F00000), // retry
102    htog<MachInst>(0x00000000), // illtrap
103    htog<MachInst>(0x00000000), // illtrap
104    htog<MachInst>(0x00000000), // illtrap
105    htog<MachInst>(0x00000000), // illtrap
106    htog<MachInst>(0x00000000), // illtrap
107    htog<MachInst>(0x00000000), // illtrap
108    htog<MachInst>(0x00000000), // illtrap
109    htog<MachInst>(0x00000000), // illtrap
110    htog<MachInst>(0x00000000), // illtrap
111    htog<MachInst>(0x00000000), // illtrap
112    htog<MachInst>(0x00000000), // illtrap
113    htog<MachInst>(0x00000000), // illtrap
114    htog<MachInst>(0x00000000)  // illtrap
115};
116
117const MachInst spillHandler64[numSpillInsts] =
118{
119    htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
120    htog<MachInst>(0xe0f3a7ff), // stxa %l0, [%sp + BIAS + (0*8)] %asi
121    htog<MachInst>(0xe2f3a807), // stxa %l1, [%sp + BIAS + (1*8)] %asi
122    htog<MachInst>(0xe4f3a80f), // stxa %l2, [%sp + BIAS + (2*8)] %asi
123    htog<MachInst>(0xe6f3a817), // stxa %l3, [%sp + BIAS + (3*8)] %asi
124    htog<MachInst>(0xe8f3a81f), // stxa %l4, [%sp + BIAS + (4*8)] %asi
125    htog<MachInst>(0xeaf3a827), // stxa %l5, [%sp + BIAS + (5*8)] %asi
126    htog<MachInst>(0xecf3a82f), // stxa %l6, [%sp + BIAS + (6*8)] %asi
127    htog<MachInst>(0xeef3a837), // stxa %l7, [%sp + BIAS + (7*8)] %asi
128    htog<MachInst>(0xf0f3a83f), // stxa %i0, [%sp + BIAS + (8*8)] %asi
129    htog<MachInst>(0xf2f3a847), // stxa %i1, [%sp + BIAS + (9*8)] %asi
130    htog<MachInst>(0xf4f3a84f), // stxa %i2, [%sp + BIAS + (10*8)] %asi
131    htog<MachInst>(0xf6f3a857), // stxa %i3, [%sp + BIAS + (11*8)] %asi
132    htog<MachInst>(0xf8f3a85f), // stxa %i4, [%sp + BIAS + (12*8)] %asi
133    htog<MachInst>(0xfaf3a867), // stxa %i5, [%sp + BIAS + (13*8)] %asi
134    htog<MachInst>(0xfcf3a86f), // stxa %i6, [%sp + BIAS + (14*8)] %asi
135    htog<MachInst>(0xfef3a877), // stxa %i7, [%sp + BIAS + (15*8)] %asi
136    htog<MachInst>(0x81880000), // saved
137    htog<MachInst>(0x83F00000), // retry
138    htog<MachInst>(0x00000000), // illtrap
139    htog<MachInst>(0x00000000), // illtrap
140    htog<MachInst>(0x00000000), // illtrap
141    htog<MachInst>(0x00000000), // illtrap
142    htog<MachInst>(0x00000000), // illtrap
143    htog<MachInst>(0x00000000), // illtrap
144    htog<MachInst>(0x00000000), // illtrap
145    htog<MachInst>(0x00000000), // illtrap
146    htog<MachInst>(0x00000000), // illtrap
147    htog<MachInst>(0x00000000), // illtrap
148    htog<MachInst>(0x00000000), // illtrap
149    htog<MachInst>(0x00000000), // illtrap
150    htog<MachInst>(0x00000000)  // illtrap
151};
152
153const MachInst spillHandler32[numSpillInsts] =
154{
155    htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
156    htog<MachInst>(0xe0a3a000), // stwa %l0, [%sp + (0*4)] %asi
157    htog<MachInst>(0xe2a3a004), // stwa %l1, [%sp + (1*4)] %asi
158    htog<MachInst>(0xe4a3a008), // stwa %l2, [%sp + (2*4)] %asi
159    htog<MachInst>(0xe6a3a00c), // stwa %l3, [%sp + (3*4)] %asi
160    htog<MachInst>(0xe8a3a010), // stwa %l4, [%sp + (4*4)] %asi
161    htog<MachInst>(0xeaa3a014), // stwa %l5, [%sp + (5*4)] %asi
162    htog<MachInst>(0xeca3a018), // stwa %l6, [%sp + (6*4)] %asi
163    htog<MachInst>(0xeea3a01c), // stwa %l7, [%sp + (7*4)] %asi
164    htog<MachInst>(0xf0a3a020), // stwa %i0, [%sp + (8*4)] %asi
165    htog<MachInst>(0xf2a3a024), // stwa %i1, [%sp + (9*4)] %asi
166    htog<MachInst>(0xf4a3a028), // stwa %i2, [%sp + (10*4)] %asi
167    htog<MachInst>(0xf6a3a02c), // stwa %i3, [%sp + (11*4)] %asi
168    htog<MachInst>(0xf8a3a030), // stwa %i4, [%sp + (12*4)] %asi
169    htog<MachInst>(0xfaa3a034), // stwa %i5, [%sp + (13*4)] %asi
170    htog<MachInst>(0xfca3a038), // stwa %i6, [%sp + (14*4)] %asi
171    htog<MachInst>(0xfea3a03c), // stwa %i7, [%sp + (15*4)] %asi
172    htog<MachInst>(0x81880000), // saved
173    htog<MachInst>(0x83F00000), // retry
174    htog<MachInst>(0x00000000), // illtrap
175    htog<MachInst>(0x00000000), // illtrap
176    htog<MachInst>(0x00000000), // illtrap
177    htog<MachInst>(0x00000000), // illtrap
178    htog<MachInst>(0x00000000), // illtrap
179    htog<MachInst>(0x00000000), // illtrap
180    htog<MachInst>(0x00000000), // illtrap
181    htog<MachInst>(0x00000000), // illtrap
182    htog<MachInst>(0x00000000), // illtrap
183    htog<MachInst>(0x00000000), // illtrap
184    htog<MachInst>(0x00000000), // illtrap
185    htog<MachInst>(0x00000000), // illtrap
186    htog<MachInst>(0x00000000)  // illtrap
187};
188
189} // namespace SparcISA
190#endif // __ARCH_SPARC_HANDLERS_HH__
191