handlers.hh revision 4989:3e9d532cf998 
1/*
2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
3 * All rights reserved.
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12 * neither the name of the copyright holders nor the names of its
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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
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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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(0x87802016), //wr %g0, ASI_AIUP, %asi
48    htog(0xe0dba7ff), //ldxa [%sp + BIAS + (0*8)] %asi, %l0
49    htog(0xe2dba807), //ldxa [%sp + BIAS + (1*8)] %asi, %l1
50    htog(0xe4dba80f), //ldxa [%sp + BIAS + (2*8)] %asi, %l2
51    htog(0xe6dba817), //ldxa [%sp + BIAS + (3*8)] %asi, %l3
52    htog(0xe8dba81f), //ldxa [%sp + BIAS + (4*8)] %asi, %l4
53    htog(0xeadba827), //ldxa [%sp + BIAS + (5*8)] %asi, %l5
54    htog(0xecdba82f), //ldxa [%sp + BIAS + (6*8)] %asi, %l6
55    htog(0xeedba837), //ldxa [%sp + BIAS + (7*8)] %asi, %l7
56    htog(0xf0dba83f), //ldxa [%sp + BIAS + (8*8)] %asi, %i0
57    htog(0xf2dba847), //ldxa [%sp + BIAS + (9*8)] %asi, %i1
58    htog(0xf4dba84f), //ldxa [%sp + BIAS + (10*8)] %asi, %i2
59    htog(0xf6dba857), //ldxa [%sp + BIAS + (11*8)] %asi, %i3
60    htog(0xf8dba85f), //ldxa [%sp + BIAS + (12*8)] %asi, %i4
61    htog(0xfadba867), //ldxa [%sp + BIAS + (13*8)] %asi, %i5
62    htog(0xfcdba86f), //ldxa [%sp + BIAS + (14*8)] %asi, %i6
63    htog(0xfedba877), //ldxa [%sp + BIAS + (15*8)] %asi, %i7
64    htog(0x83880000), //restored
65    htog(0x83F00000), //retry
66    htog(0x00000000), //illtrap
67    htog(0x00000000), //illtrap
68    htog(0x00000000), //illtrap
69    htog(0x00000000), //illtrap
70    htog(0x00000000), //illtrap
71    htog(0x00000000), //illtrap
72    htog(0x00000000), //illtrap
73    htog(0x00000000), //illtrap
74    htog(0x00000000), //illtrap
75    htog(0x00000000), //illtrap
76    htog(0x00000000), //illtrap
77    htog(0x00000000), //illtrap
78    htog(0x00000000)  //illtrap
79};
80
81const MachInst fillHandler32[numFillInsts] =
82{
83    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
84    htog(0xe083a000), //lduwa [%sp + (0*4)] %asi, %l0
85    htog(0xe283a004), //lduwa [%sp + (1*4)] %asi, %l1
86    htog(0xe483a008), //lduwa [%sp + (2*4)] %asi, %l2
87    htog(0xe683a00c), //lduwa [%sp + (3*4)] %asi, %l3
88    htog(0xe883a010), //lduwa [%sp + (4*4)] %asi, %l4
89    htog(0xea83a014), //lduwa [%sp + (5*4)] %asi, %l5
90    htog(0xec83a018), //lduwa [%sp + (6*4)] %asi, %l6
91    htog(0xee83a01c), //lduwa [%sp + (7*4)] %asi, %l7
92    htog(0xf083a020), //lduwa [%sp + (8*4)] %asi, %i0
93    htog(0xf283a024), //lduwa [%sp + (9*4)] %asi, %i1
94    htog(0xf483a028), //lduwa [%sp + (10*4)] %asi, %i2
95    htog(0xf683a02c), //lduwa [%sp + (11*4)] %asi, %i3
96    htog(0xf883a030), //lduwa [%sp + (12*4)] %asi, %i4
97    htog(0xfa83a034), //lduwa [%sp + (13*4)] %asi, %i5
98    htog(0xfc83a038), //lduwa [%sp + (14*4)] %asi, %i6
99    htog(0xfe83a03c), //lduwa [%sp + (15*4)] %asi, %i7
100    htog(0x83880000), //restored
101    htog(0x83F00000), //retry
102    htog(0x00000000), //illtrap
103    htog(0x00000000), //illtrap
104    htog(0x00000000), //illtrap
105    htog(0x00000000), //illtrap
106    htog(0x00000000), //illtrap
107    htog(0x00000000), //illtrap
108    htog(0x00000000), //illtrap
109    htog(0x00000000), //illtrap
110    htog(0x00000000), //illtrap
111    htog(0x00000000), //illtrap
112    htog(0x00000000), //illtrap
113    htog(0x00000000), //illtrap
114    htog(0x00000000)  //illtrap
115};
116
117const MachInst spillHandler64[numSpillInsts] =
118{
119    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
120    htog(0xe0f3a7ff), //stxa %l0, [%sp + BIAS + (0*8)] %asi
121    htog(0xe2f3a807), //stxa %l1, [%sp + BIAS + (1*8)] %asi
122    htog(0xe4f3a80f), //stxa %l2, [%sp + BIAS + (2*8)] %asi
123    htog(0xe6f3a817), //stxa %l3, [%sp + BIAS + (3*8)] %asi
124    htog(0xe8f3a81f), //stxa %l4, [%sp + BIAS + (4*8)] %asi
125    htog(0xeaf3a827), //stxa %l5, [%sp + BIAS + (5*8)] %asi
126    htog(0xecf3a82f), //stxa %l6, [%sp + BIAS + (6*8)] %asi
127    htog(0xeef3a837), //stxa %l7, [%sp + BIAS + (7*8)] %asi
128    htog(0xf0f3a83f), //stxa %i0, [%sp + BIAS + (8*8)] %asi
129    htog(0xf2f3a847), //stxa %i1, [%sp + BIAS + (9*8)] %asi
130    htog(0xf4f3a84f), //stxa %i2, [%sp + BIAS + (10*8)] %asi
131    htog(0xf6f3a857), //stxa %i3, [%sp + BIAS + (11*8)] %asi
132    htog(0xf8f3a85f), //stxa %i4, [%sp + BIAS + (12*8)] %asi
133    htog(0xfaf3a867), //stxa %i5, [%sp + BIAS + (13*8)] %asi
134    htog(0xfcf3a86f), //stxa %i6, [%sp + BIAS + (14*8)] %asi
135    htog(0xfef3a877), //stxa %i7, [%sp + BIAS + (15*8)] %asi
136    htog(0x81880000), //saved
137    htog(0x83F00000), //retry
138    htog(0x00000000), //illtrap
139    htog(0x00000000), //illtrap
140    htog(0x00000000), //illtrap
141    htog(0x00000000), //illtrap
142    htog(0x00000000), //illtrap
143    htog(0x00000000), //illtrap
144    htog(0x00000000), //illtrap
145    htog(0x00000000), //illtrap
146    htog(0x00000000), //illtrap
147    htog(0x00000000), //illtrap
148    htog(0x00000000), //illtrap
149    htog(0x00000000), //illtrap
150    htog(0x00000000)  //illtrap
151};
152
153const MachInst spillHandler32[numSpillInsts] =
154{
155    htog(0x87802016), //wr %g0, ASI_AIUP, %asi
156    htog(0xe0a3a000), //stwa %l0, [%sp + (0*4)] %asi
157    htog(0xe2a3a004), //stwa %l1, [%sp + (1*4)] %asi
158    htog(0xe4a3a008), //stwa %l2, [%sp + (2*4)] %asi
159    htog(0xe6a3a00c), //stwa %l3, [%sp + (3*4)] %asi
160    htog(0xe8a3a010), //stwa %l4, [%sp + (4*4)] %asi
161    htog(0xeaa3a014), //stwa %l5, [%sp + (5*4)] %asi
162    htog(0xeca3a018), //stwa %l6, [%sp + (6*4)] %asi
163    htog(0xeea3a01c), //stwa %l7, [%sp + (7*4)] %asi
164    htog(0xf0a3a020), //stwa %i0, [%sp + (8*4)] %asi
165    htog(0xf2a3a024), //stwa %i1, [%sp + (9*4)] %asi
166    htog(0xf4a3a028), //stwa %i2, [%sp + (10*4)] %asi
167    htog(0xf6a3a02c), //stwa %i3, [%sp + (11*4)] %asi
168    htog(0xf8a3a030), //stwa %i4, [%sp + (12*4)] %asi
169    htog(0xfaa3a034), //stwa %i5, [%sp + (13*4)] %asi
170    htog(0xfca3a038), //stwa %i6, [%sp + (14*4)] %asi
171    htog(0xfea3a03c), //stwa %i7, [%sp + (15*4)] %asi
172    htog(0x81880000), //saved
173    htog(0x83F00000), //retry
174    htog(0x00000000), //illtrap
175    htog(0x00000000), //illtrap
176    htog(0x00000000), //illtrap
177    htog(0x00000000), //illtrap
178    htog(0x00000000), //illtrap
179    htog(0x00000000), //illtrap
180    htog(0x00000000), //illtrap
181    htog(0x00000000), //illtrap
182    htog(0x00000000), //illtrap
183    htog(0x00000000), //illtrap
184    htog(0x00000000), //illtrap
185    htog(0x00000000), //illtrap
186    htog(0x00000000)  //illtrap
187};
188
189} // namespace SparcISA
190#endif // __ARCH_SPARC_HANDLERS_HH__
191