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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64interrupt |
29 | /** @addtogroup sparc64interrupt |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | * |
33 | * |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #include <arch/trap/exception.h> |
36 | #include <arch/trap/exception.h> |
37 | #include <arch/mm/tlb.h> |
37 | #include <arch/mm/tlb.h> |
38 | #include <arch/interrupt.h> |
38 | #include <arch/interrupt.h> |
39 | #include <interrupt.h> |
39 | #include <interrupt.h> |
40 | #include <arch/asm.h> |
40 | #include <arch/asm.h> |
41 | #include <arch/register.h> |
41 | #include <arch/register.h> |
42 | #include <debug.h> |
42 | #include <debug.h> |
43 | #include <symtab.h> |
- | |
44 | #include <print.h> |
43 | #include <print.h> |
45 | 44 | ||
- | 45 | #ifdef CONFIG_SYMTAB |
|
- | 46 | #include <symtab.h> |
|
- | 47 | #endif |
|
- | 48 | ||
46 | void dump_istate(istate_t *istate) |
49 | void dump_istate(istate_t *istate) |
47 | { |
50 | { |
- | 51 | char *tpcs, *tnpcs; |
|
- | 52 | ||
- | 53 | #ifdef CONFIG_SYMTAB |
|
- | 54 | tpcs = get_symtab_entry(istate->tpc); |
|
- | 55 | tnpcs = get_symtab_entry(istate->tnpc); |
|
- | 56 | #else |
|
- | 57 | tpcs = tnpcs = "n/a"; |
|
- | 58 | #endif |
|
48 | printf("TSTATE=%#" PRIx64 "\n", istate->tstate); |
59 | printf("TSTATE=%#" PRIx64 "\n", istate->tstate); |
49 | printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc)); |
60 | printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, tpcs); |
50 | printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc)); |
61 | printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, tnpcs); |
51 | } |
62 | } |
52 | 63 | ||
53 | /** Handle instruction_access_exception. (0x8) */ |
64 | /** Handle instruction_access_exception. (0x8) */ |
54 | void instruction_access_exception(int n, istate_t *istate) |
65 | void instruction_access_exception(int n, istate_t *istate) |
55 | { |
66 | { |
56 | fault_if_from_uspace(istate, "%s.", __func__); |
67 | fault_if_from_uspace(istate, "%s.", __func__); |
57 | dump_istate(istate); |
68 | dump_istate(istate); |
58 | panic("%s.", __func__); |
69 | panic("%s.", __func__); |
59 | } |
70 | } |
60 | 71 | ||
61 | /** Handle instruction_access_error. (0xa) */ |
72 | /** Handle instruction_access_error. (0xa) */ |
62 | void instruction_access_error(int n, istate_t *istate) |
73 | void instruction_access_error(int n, istate_t *istate) |
63 | { |
74 | { |
64 | fault_if_from_uspace(istate, "%s.", __func__); |
75 | fault_if_from_uspace(istate, "%s.", __func__); |
65 | dump_istate(istate); |
76 | dump_istate(istate); |
66 | panic("%s.", __func__); |
77 | panic("%s.", __func__); |
67 | } |
78 | } |
68 | 79 | ||
69 | /** Handle illegal_instruction. (0x10) */ |
80 | /** Handle illegal_instruction. (0x10) */ |
70 | void illegal_instruction(int n, istate_t *istate) |
81 | void illegal_instruction(int n, istate_t *istate) |
71 | { |
82 | { |
72 | fault_if_from_uspace(istate, "%s.", __func__); |
83 | fault_if_from_uspace(istate, "%s.", __func__); |
73 | dump_istate(istate); |
84 | dump_istate(istate); |
74 | panic("%s.", __func__); |
85 | panic("%s.", __func__); |
75 | } |
86 | } |
76 | 87 | ||
77 | /** Handle privileged_opcode. (0x11) */ |
88 | /** Handle privileged_opcode. (0x11) */ |
78 | void privileged_opcode(int n, istate_t *istate) |
89 | void privileged_opcode(int n, istate_t *istate) |
79 | { |
90 | { |
80 | fault_if_from_uspace(istate, "%s.", __func__); |
91 | fault_if_from_uspace(istate, "%s.", __func__); |
81 | dump_istate(istate); |
92 | dump_istate(istate); |
82 | panic("%s.", __func__); |
93 | panic("%s.", __func__); |
83 | } |
94 | } |
84 | 95 | ||
85 | /** Handle unimplemented_LDD. (0x12) */ |
96 | /** Handle unimplemented_LDD. (0x12) */ |
86 | void unimplemented_LDD(int n, istate_t *istate) |
97 | void unimplemented_LDD(int n, istate_t *istate) |
87 | { |
98 | { |
88 | fault_if_from_uspace(istate, "%s.", __func__); |
99 | fault_if_from_uspace(istate, "%s.", __func__); |
89 | dump_istate(istate); |
100 | dump_istate(istate); |
90 | panic("%s.", __func__); |
101 | panic("%s.", __func__); |
91 | } |
102 | } |
92 | 103 | ||
93 | /** Handle unimplemented_STD. (0x13) */ |
104 | /** Handle unimplemented_STD. (0x13) */ |
94 | void unimplemented_STD(int n, istate_t *istate) |
105 | void unimplemented_STD(int n, istate_t *istate) |
95 | { |
106 | { |
96 | fault_if_from_uspace(istate, "%s.", __func__); |
107 | fault_if_from_uspace(istate, "%s.", __func__); |
97 | dump_istate(istate); |
108 | dump_istate(istate); |
98 | panic("%s.", __func__); |
109 | panic("%s.", __func__); |
99 | } |
110 | } |
100 | 111 | ||
101 | /** Handle fp_disabled. (0x20) */ |
112 | /** Handle fp_disabled. (0x20) */ |
102 | void fp_disabled(int n, istate_t *istate) |
113 | void fp_disabled(int n, istate_t *istate) |
103 | { |
114 | { |
104 | fprs_reg_t fprs; |
115 | fprs_reg_t fprs; |
105 | 116 | ||
106 | fprs.value = fprs_read(); |
117 | fprs.value = fprs_read(); |
107 | if (!fprs.fef) { |
118 | if (!fprs.fef) { |
108 | fprs.fef = true; |
119 | fprs.fef = true; |
109 | fprs_write(fprs.value); |
120 | fprs_write(fprs.value); |
110 | return; |
121 | return; |
111 | } |
122 | } |
112 | 123 | ||
113 | #ifdef CONFIG_FPU_LAZY |
124 | #ifdef CONFIG_FPU_LAZY |
114 | scheduler_fpu_lazy_request(); |
125 | scheduler_fpu_lazy_request(); |
115 | #else |
126 | #else |
116 | fault_if_from_uspace(istate, "%s.", __func__); |
127 | fault_if_from_uspace(istate, "%s.", __func__); |
117 | dump_istate(istate); |
128 | dump_istate(istate); |
118 | panic("%s.", __func__); |
129 | panic("%s.", __func__); |
119 | #endif |
130 | #endif |
120 | } |
131 | } |
121 | 132 | ||
122 | /** Handle fp_exception_ieee_754. (0x21) */ |
133 | /** Handle fp_exception_ieee_754. (0x21) */ |
123 | void fp_exception_ieee_754(int n, istate_t *istate) |
134 | void fp_exception_ieee_754(int n, istate_t *istate) |
124 | { |
135 | { |
125 | fault_if_from_uspace(istate, "%s.", __func__); |
136 | fault_if_from_uspace(istate, "%s.", __func__); |
126 | dump_istate(istate); |
137 | dump_istate(istate); |
127 | panic("%s.", __func__); |
138 | panic("%s.", __func__); |
128 | } |
139 | } |
129 | 140 | ||
130 | /** Handle fp_exception_other. (0x22) */ |
141 | /** Handle fp_exception_other. (0x22) */ |
131 | void fp_exception_other(int n, istate_t *istate) |
142 | void fp_exception_other(int n, istate_t *istate) |
132 | { |
143 | { |
133 | fault_if_from_uspace(istate, "%s.", __func__); |
144 | fault_if_from_uspace(istate, "%s.", __func__); |
134 | dump_istate(istate); |
145 | dump_istate(istate); |
135 | panic("%s.", __func__); |
146 | panic("%s.", __func__); |
136 | } |
147 | } |
137 | 148 | ||
138 | /** Handle tag_overflow. (0x23) */ |
149 | /** Handle tag_overflow. (0x23) */ |
139 | void tag_overflow(int n, istate_t *istate) |
150 | void tag_overflow(int n, istate_t *istate) |
140 | { |
151 | { |
141 | fault_if_from_uspace(istate, "%s.", __func__); |
152 | fault_if_from_uspace(istate, "%s.", __func__); |
142 | dump_istate(istate); |
153 | dump_istate(istate); |
143 | panic("%s.", __func__); |
154 | panic("%s.", __func__); |
144 | } |
155 | } |
145 | 156 | ||
146 | /** Handle division_by_zero. (0x28) */ |
157 | /** Handle division_by_zero. (0x28) */ |
147 | void division_by_zero(int n, istate_t *istate) |
158 | void division_by_zero(int n, istate_t *istate) |
148 | { |
159 | { |
149 | fault_if_from_uspace(istate, "%s.", __func__); |
160 | fault_if_from_uspace(istate, "%s.", __func__); |
150 | dump_istate(istate); |
161 | dump_istate(istate); |
151 | panic("%s.", __func__); |
162 | panic("%s.", __func__); |
152 | } |
163 | } |
153 | 164 | ||
154 | /** Handle data_access_exception. (0x30) */ |
165 | /** Handle data_access_exception. (0x30) */ |
155 | void data_access_exception(int n, istate_t *istate) |
166 | void data_access_exception(int n, istate_t *istate) |
156 | { |
167 | { |
157 | fault_if_from_uspace(istate, "%s.", __func__); |
168 | fault_if_from_uspace(istate, "%s.", __func__); |
158 | dump_istate(istate); |
169 | dump_istate(istate); |
159 | dump_sfsr_and_sfar(); |
170 | dump_sfsr_and_sfar(); |
160 | panic("%s.", __func__); |
171 | panic("%s.", __func__); |
161 | } |
172 | } |
162 | 173 | ||
163 | /** Handle data_access_error. (0x32) */ |
174 | /** Handle data_access_error. (0x32) */ |
164 | void data_access_error(int n, istate_t *istate) |
175 | void data_access_error(int n, istate_t *istate) |
165 | { |
176 | { |
166 | fault_if_from_uspace(istate, "%s.", __func__); |
177 | fault_if_from_uspace(istate, "%s.", __func__); |
167 | dump_istate(istate); |
178 | dump_istate(istate); |
168 | panic("%s.", __func__); |
179 | panic("%s.", __func__); |
169 | } |
180 | } |
170 | 181 | ||
171 | /** Handle mem_address_not_aligned. (0x34) */ |
182 | /** Handle mem_address_not_aligned. (0x34) */ |
172 | void mem_address_not_aligned(int n, istate_t *istate) |
183 | void mem_address_not_aligned(int n, istate_t *istate) |
173 | { |
184 | { |
174 | fault_if_from_uspace(istate, "%s.", __func__); |
185 | fault_if_from_uspace(istate, "%s.", __func__); |
175 | dump_istate(istate); |
186 | dump_istate(istate); |
176 | panic("%s.", __func__); |
187 | panic("%s.", __func__); |
177 | } |
188 | } |
178 | 189 | ||
179 | /** Handle LDDF_mem_address_not_aligned. (0x35) */ |
190 | /** Handle LDDF_mem_address_not_aligned. (0x35) */ |
180 | void LDDF_mem_address_not_aligned(int n, istate_t *istate) |
191 | void LDDF_mem_address_not_aligned(int n, istate_t *istate) |
181 | { |
192 | { |
182 | fault_if_from_uspace(istate, "%s.", __func__); |
193 | fault_if_from_uspace(istate, "%s.", __func__); |
183 | dump_istate(istate); |
194 | dump_istate(istate); |
184 | panic("%s.", __func__); |
195 | panic("%s.", __func__); |
185 | } |
196 | } |
186 | 197 | ||
187 | /** Handle STDF_mem_address_not_aligned. (0x36) */ |
198 | /** Handle STDF_mem_address_not_aligned. (0x36) */ |
188 | void STDF_mem_address_not_aligned(int n, istate_t *istate) |
199 | void STDF_mem_address_not_aligned(int n, istate_t *istate) |
189 | { |
200 | { |
190 | fault_if_from_uspace(istate, "%s.", __func__); |
201 | fault_if_from_uspace(istate, "%s.", __func__); |
191 | dump_istate(istate); |
202 | dump_istate(istate); |
192 | panic("%s.", __func__); |
203 | panic("%s.", __func__); |
193 | } |
204 | } |
194 | 205 | ||
195 | /** Handle privileged_action. (0x37) */ |
206 | /** Handle privileged_action. (0x37) */ |
196 | void privileged_action(int n, istate_t *istate) |
207 | void privileged_action(int n, istate_t *istate) |
197 | { |
208 | { |
198 | fault_if_from_uspace(istate, "%s.", __func__); |
209 | fault_if_from_uspace(istate, "%s.", __func__); |
199 | dump_istate(istate); |
210 | dump_istate(istate); |
200 | panic("%s.", __func__); |
211 | panic("%s.", __func__); |
201 | } |
212 | } |
202 | 213 | ||
203 | /** Handle LDQF_mem_address_not_aligned. (0x38) */ |
214 | /** Handle LDQF_mem_address_not_aligned. (0x38) */ |
204 | void LDQF_mem_address_not_aligned(int n, istate_t *istate) |
215 | void LDQF_mem_address_not_aligned(int n, istate_t *istate) |
205 | { |
216 | { |
206 | fault_if_from_uspace(istate, "%s.", __func__); |
217 | fault_if_from_uspace(istate, "%s.", __func__); |
207 | dump_istate(istate); |
218 | dump_istate(istate); |
208 | panic("%s.", __func__); |
219 | panic("%s.", __func__); |
209 | } |
220 | } |
210 | 221 | ||
211 | /** Handle STQF_mem_address_not_aligned. (0x39) */ |
222 | /** Handle STQF_mem_address_not_aligned. (0x39) */ |
212 | void STQF_mem_address_not_aligned(int n, istate_t *istate) |
223 | void STQF_mem_address_not_aligned(int n, istate_t *istate) |
213 | { |
224 | { |
214 | fault_if_from_uspace(istate, "%s.", __func__); |
225 | fault_if_from_uspace(istate, "%s.", __func__); |
215 | dump_istate(istate); |
226 | dump_istate(istate); |
216 | panic("%s.", __func__); |
227 | panic("%s.", __func__); |
217 | } |
228 | } |
218 | 229 | ||
219 | /** @} |
230 | /** @} |
220 | */ |
231 | */ |
221 | 232 |