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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> |
43 | #include <symtab.h> |
44 | #include <print.h> |
44 | #include <print.h> |
45 | 45 | ||
46 | void dump_istate(istate_t *istate) |
46 | void dump_istate(istate_t *istate) |
47 | { |
47 | { |
48 | printf("TSTATE=%#llx\n", istate->tstate); |
48 | printf("TSTATE=%#" PRIx64 "\n", istate->tstate); |
49 | printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc)); |
49 | printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc)); |
50 | printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc)); |
50 | printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc)); |
51 | } |
51 | } |
52 | 52 | ||
53 | /** Handle instruction_access_exception. (0x8) */ |
53 | /** Handle instruction_access_exception. (0x8) */ |
54 | void instruction_access_exception(int n, istate_t *istate) |
54 | void instruction_access_exception(int n, istate_t *istate) |
55 | { |
55 | { |
56 | fault_if_from_uspace(istate, "%s\n", __func__); |
56 | fault_if_from_uspace(istate, "%s.", __func__); |
57 | dump_istate(istate); |
57 | dump_istate(istate); |
58 | panic("%s\n", __func__); |
58 | panic("%s.", __func__); |
59 | } |
59 | } |
60 | 60 | ||
61 | /** Handle instruction_access_error. (0xa) */ |
61 | /** Handle instruction_access_error. (0xa) */ |
62 | void instruction_access_error(int n, istate_t *istate) |
62 | void instruction_access_error(int n, istate_t *istate) |
63 | { |
63 | { |
64 | fault_if_from_uspace(istate, "%s\n", __func__); |
64 | fault_if_from_uspace(istate, "%s.", __func__); |
65 | dump_istate(istate); |
65 | dump_istate(istate); |
66 | panic("%s\n", __func__); |
66 | panic("%s.", __func__); |
67 | } |
67 | } |
68 | 68 | ||
69 | /** Handle illegal_instruction. (0x10) */ |
69 | /** Handle illegal_instruction. (0x10) */ |
70 | void illegal_instruction(int n, istate_t *istate) |
70 | void illegal_instruction(int n, istate_t *istate) |
71 | { |
71 | { |
72 | fault_if_from_uspace(istate, "%s\n", __func__); |
72 | fault_if_from_uspace(istate, "%s.", __func__); |
73 | dump_istate(istate); |
73 | dump_istate(istate); |
74 | panic("%s\n", __func__); |
74 | panic("%s.", __func__); |
75 | } |
75 | } |
76 | 76 | ||
77 | /** Handle privileged_opcode. (0x11) */ |
77 | /** Handle privileged_opcode. (0x11) */ |
78 | void privileged_opcode(int n, istate_t *istate) |
78 | void privileged_opcode(int n, istate_t *istate) |
79 | { |
79 | { |
80 | fault_if_from_uspace(istate, "%s\n", __func__); |
80 | fault_if_from_uspace(istate, "%s.", __func__); |
81 | dump_istate(istate); |
81 | dump_istate(istate); |
82 | panic("%s\n", __func__); |
82 | panic("%s.", __func__); |
83 | } |
83 | } |
84 | 84 | ||
85 | /** Handle unimplemented_LDD. (0x12) */ |
85 | /** Handle unimplemented_LDD. (0x12) */ |
86 | void unimplemented_LDD(int n, istate_t *istate) |
86 | void unimplemented_LDD(int n, istate_t *istate) |
87 | { |
87 | { |
88 | fault_if_from_uspace(istate, "%s\n", __func__); |
88 | fault_if_from_uspace(istate, "%s.", __func__); |
89 | dump_istate(istate); |
89 | dump_istate(istate); |
90 | panic("%s\n", __func__); |
90 | panic("%s.", __func__); |
91 | } |
91 | } |
92 | 92 | ||
93 | /** Handle unimplemented_STD. (0x13) */ |
93 | /** Handle unimplemented_STD. (0x13) */ |
94 | void unimplemented_STD(int n, istate_t *istate) |
94 | void unimplemented_STD(int n, istate_t *istate) |
95 | { |
95 | { |
96 | fault_if_from_uspace(istate, "%s\n", __func__); |
96 | fault_if_from_uspace(istate, "%s.", __func__); |
97 | dump_istate(istate); |
97 | dump_istate(istate); |
98 | panic("%s\n", __func__); |
98 | panic("%s.", __func__); |
99 | } |
99 | } |
100 | 100 | ||
101 | /** Handle fp_disabled. (0x20) */ |
101 | /** Handle fp_disabled. (0x20) */ |
102 | void fp_disabled(int n, istate_t *istate) |
102 | void fp_disabled(int n, istate_t *istate) |
103 | { |
103 | { |
104 | fprs_reg_t fprs; |
104 | fprs_reg_t fprs; |
105 | 105 | ||
106 | fprs.value = fprs_read(); |
106 | fprs.value = fprs_read(); |
107 | if (!fprs.fef) { |
107 | if (!fprs.fef) { |
108 | fprs.fef = true; |
108 | fprs.fef = true; |
109 | fprs_write(fprs.value); |
109 | fprs_write(fprs.value); |
110 | return; |
110 | return; |
111 | } |
111 | } |
112 | 112 | ||
113 | #ifdef CONFIG_FPU_LAZY |
113 | #ifdef CONFIG_FPU_LAZY |
114 | scheduler_fpu_lazy_request(); |
114 | scheduler_fpu_lazy_request(); |
115 | #else |
115 | #else |
116 | fault_if_from_uspace(istate, "%s\n", __func__); |
116 | fault_if_from_uspace(istate, "%s.", __func__); |
117 | dump_istate(istate); |
117 | dump_istate(istate); |
118 | panic("%s\n", __func__); |
118 | panic("%s.", __func__); |
119 | #endif |
119 | #endif |
120 | } |
120 | } |
121 | 121 | ||
122 | /** Handle fp_exception_ieee_754. (0x21) */ |
122 | /** Handle fp_exception_ieee_754. (0x21) */ |
123 | void fp_exception_ieee_754(int n, istate_t *istate) |
123 | void fp_exception_ieee_754(int n, istate_t *istate) |
124 | { |
124 | { |
125 | fault_if_from_uspace(istate, "%s\n", __func__); |
125 | fault_if_from_uspace(istate, "%s.", __func__); |
126 | dump_istate(istate); |
126 | dump_istate(istate); |
127 | panic("%s\n", __func__); |
127 | panic("%s.", __func__); |
128 | } |
128 | } |
129 | 129 | ||
130 | /** Handle fp_exception_other. (0x22) */ |
130 | /** Handle fp_exception_other. (0x22) */ |
131 | void fp_exception_other(int n, istate_t *istate) |
131 | void fp_exception_other(int n, istate_t *istate) |
132 | { |
132 | { |
133 | fault_if_from_uspace(istate, "%s\n", __func__); |
133 | fault_if_from_uspace(istate, "%s.", __func__); |
134 | dump_istate(istate); |
134 | dump_istate(istate); |
135 | panic("%s\n", __func__); |
135 | panic("%s.", __func__); |
136 | } |
136 | } |
137 | 137 | ||
138 | /** Handle tag_overflow. (0x23) */ |
138 | /** Handle tag_overflow. (0x23) */ |
139 | void tag_overflow(int n, istate_t *istate) |
139 | void tag_overflow(int n, istate_t *istate) |
140 | { |
140 | { |
141 | fault_if_from_uspace(istate, "%s\n", __func__); |
141 | fault_if_from_uspace(istate, "%s.", __func__); |
142 | dump_istate(istate); |
142 | dump_istate(istate); |
143 | panic("%s\n", __func__); |
143 | panic("%s.", __func__); |
144 | } |
144 | } |
145 | 145 | ||
146 | /** Handle division_by_zero. (0x28) */ |
146 | /** Handle division_by_zero. (0x28) */ |
147 | void division_by_zero(int n, istate_t *istate) |
147 | void division_by_zero(int n, istate_t *istate) |
148 | { |
148 | { |
149 | fault_if_from_uspace(istate, "%s\n", __func__); |
149 | fault_if_from_uspace(istate, "%s.", __func__); |
150 | dump_istate(istate); |
150 | dump_istate(istate); |
151 | panic("%s\n", __func__); |
151 | panic("%s.", __func__); |
152 | } |
152 | } |
153 | 153 | ||
154 | /** Handle data_access_exception. (0x30) */ |
154 | /** Handle data_access_exception. (0x30) */ |
155 | void data_access_exception(int n, istate_t *istate) |
155 | void data_access_exception(int n, istate_t *istate) |
156 | { |
156 | { |
157 | fault_if_from_uspace(istate, "%s\n", __func__); |
157 | fault_if_from_uspace(istate, "%s.", __func__); |
158 | dump_istate(istate); |
158 | dump_istate(istate); |
159 | dump_sfsr_and_sfar(); |
159 | dump_sfsr_and_sfar(); |
160 | panic("%s\n", __func__); |
160 | panic("%s.", __func__); |
161 | } |
161 | } |
162 | 162 | ||
163 | /** Handle data_access_error. (0x32) */ |
163 | /** Handle data_access_error. (0x32) */ |
164 | void data_access_error(int n, istate_t *istate) |
164 | void data_access_error(int n, istate_t *istate) |
165 | { |
165 | { |
166 | fault_if_from_uspace(istate, "%s\n", __func__); |
166 | fault_if_from_uspace(istate, "%s.", __func__); |
167 | dump_istate(istate); |
167 | dump_istate(istate); |
168 | panic("%s\n", __func__); |
168 | panic("%s.", __func__); |
169 | } |
169 | } |
170 | 170 | ||
171 | /** Handle mem_address_not_aligned. (0x34) */ |
171 | /** Handle mem_address_not_aligned. (0x34) */ |
172 | void mem_address_not_aligned(int n, istate_t *istate) |
172 | void mem_address_not_aligned(int n, istate_t *istate) |
173 | { |
173 | { |
174 | fault_if_from_uspace(istate, "%s\n", __func__); |
174 | fault_if_from_uspace(istate, "%s.", __func__); |
175 | dump_istate(istate); |
175 | dump_istate(istate); |
176 | panic("%s\n", __func__); |
176 | panic("%s.", __func__); |
177 | } |
177 | } |
178 | 178 | ||
179 | /** Handle LDDF_mem_address_not_aligned. (0x35) */ |
179 | /** Handle LDDF_mem_address_not_aligned. (0x35) */ |
180 | void LDDF_mem_address_not_aligned(int n, istate_t *istate) |
180 | void LDDF_mem_address_not_aligned(int n, istate_t *istate) |
181 | { |
181 | { |
182 | fault_if_from_uspace(istate, "%s\n", __func__); |
182 | fault_if_from_uspace(istate, "%s.", __func__); |
183 | dump_istate(istate); |
183 | dump_istate(istate); |
184 | panic("%s\n", __func__); |
184 | panic("%s.", __func__); |
185 | } |
185 | } |
186 | 186 | ||
187 | /** Handle STDF_mem_address_not_aligned. (0x36) */ |
187 | /** Handle STDF_mem_address_not_aligned. (0x36) */ |
188 | void STDF_mem_address_not_aligned(int n, istate_t *istate) |
188 | void STDF_mem_address_not_aligned(int n, istate_t *istate) |
189 | { |
189 | { |
190 | fault_if_from_uspace(istate, "%s\n", __func__); |
190 | fault_if_from_uspace(istate, "%s.", __func__); |
191 | dump_istate(istate); |
191 | dump_istate(istate); |
192 | panic("%s\n", __func__); |
192 | panic("%s.", __func__); |
193 | } |
193 | } |
194 | 194 | ||
195 | /** Handle privileged_action. (0x37) */ |
195 | /** Handle privileged_action. (0x37) */ |
196 | void privileged_action(int n, istate_t *istate) |
196 | void privileged_action(int n, istate_t *istate) |
197 | { |
197 | { |
198 | fault_if_from_uspace(istate, "%s\n", __func__); |
198 | fault_if_from_uspace(istate, "%s.", __func__); |
199 | dump_istate(istate); |
199 | dump_istate(istate); |
200 | panic("%s\n", __func__); |
200 | panic("%s.", __func__); |
201 | } |
201 | } |
202 | 202 | ||
203 | /** Handle LDQF_mem_address_not_aligned. (0x38) */ |
203 | /** Handle LDQF_mem_address_not_aligned. (0x38) */ |
204 | void LDQF_mem_address_not_aligned(int n, istate_t *istate) |
204 | void LDQF_mem_address_not_aligned(int n, istate_t *istate) |
205 | { |
205 | { |
206 | fault_if_from_uspace(istate, "%s\n", __func__); |
206 | fault_if_from_uspace(istate, "%s.", __func__); |
207 | dump_istate(istate); |
207 | dump_istate(istate); |
208 | panic("%s\n", __func__); |
208 | panic("%s.", __func__); |
209 | } |
209 | } |
210 | 210 | ||
211 | /** Handle STQF_mem_address_not_aligned. (0x39) */ |
211 | /** Handle STQF_mem_address_not_aligned. (0x39) */ |
212 | void STQF_mem_address_not_aligned(int n, istate_t *istate) |
212 | void STQF_mem_address_not_aligned(int n, istate_t *istate) |
213 | { |
213 | { |
214 | fault_if_from_uspace(istate, "%s\n", __func__); |
214 | fault_if_from_uspace(istate, "%s.", __func__); |
215 | dump_istate(istate); |
215 | dump_istate(istate); |
216 | panic("%s\n", __func__); |
216 | panic("%s.", __func__); |
217 | } |
217 | } |
218 | 218 | ||
219 | /** @} |
219 | /** @} |
220 | */ |
220 | */ |
221 | 221 |