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handlers.hh
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28  * Authors: Gabe Black
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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 
38 namespace 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.
42 const int numFillInsts = 32;
43 const int numSpillInsts = 32;
44 
45 const 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 
81 const 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 
117 const 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 
153 const 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__
SparcISA::numFillInsts
const int numFillInsts
Definition: handlers.hh:42
SparcISA::MachInst
uint32_t MachInst
Definition: types.hh:41
SparcISA::fillHandler64
const MachInst fillHandler64[numFillInsts]
Definition: handlers.hh:45
SparcISA::numSpillInsts
const int numSpillInsts
Definition: handlers.hh:43
isa_traits.hh
SparcISA::spillHandler32
const MachInst spillHandler32[numSpillInsts]
Definition: handlers.hh:153
SparcISA::fillHandler32
const MachInst fillHandler32[numFillInsts]
Definition: handlers.hh:81
SparcISA::spillHandler64
const MachInst spillHandler64[numSpillInsts]
Definition: handlers.hh:117
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