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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/interrupt.h> |
37 | #include <arch/interrupt.h> |
38 | #include <interrupt.h> |
38 | #include <interrupt.h> |
39 | #include <arch/asm.h> |
39 | #include <arch/asm.h> |
- | 40 | #include <arch/register.h> |
|
40 | #include <debug.h> |
41 | #include <debug.h> |
41 | #include <typedefs.h> |
42 | #include <typedefs.h> |
42 | #include <symtab.h> |
43 | #include <symtab.h> |
43 | #include <print.h> |
44 | #include <print.h> |
44 | 45 | ||
45 | void dump_istate(istate_t *istate) |
46 | void dump_istate(istate_t *istate) |
46 | { |
47 | { |
47 | printf("TSTATE=%#llx\n", istate->tstate); |
48 | printf("TSTATE=%#llx\n", istate->tstate); |
48 | printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc)); |
49 | printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc)); |
49 | printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc)); |
50 | printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc)); |
50 | } |
51 | } |
51 | 52 | ||
52 | /** Handle instruction_access_exception. (0x8) */ |
53 | /** Handle instruction_access_exception. (0x8) */ |
53 | void instruction_access_exception(int n, istate_t *istate) |
54 | void instruction_access_exception(int n, istate_t *istate) |
54 | { |
55 | { |
55 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
56 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
56 | dump_istate(istate); |
57 | dump_istate(istate); |
57 | panic("%s\n", __FUNCTION__); |
58 | panic("%s\n", __FUNCTION__); |
58 | } |
59 | } |
59 | 60 | ||
60 | /** Handle instruction_access_error. (0xa) */ |
61 | /** Handle instruction_access_error. (0xa) */ |
61 | void instruction_access_error(int n, istate_t *istate) |
62 | void instruction_access_error(int n, istate_t *istate) |
62 | { |
63 | { |
63 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
64 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
64 | dump_istate(istate); |
65 | dump_istate(istate); |
65 | panic("%s\n", __FUNCTION__); |
66 | panic("%s\n", __FUNCTION__); |
66 | } |
67 | } |
67 | 68 | ||
68 | /** Handle illegal_instruction. (0x10) */ |
69 | /** Handle illegal_instruction. (0x10) */ |
69 | void illegal_instruction(int n, istate_t *istate) |
70 | void illegal_instruction(int n, istate_t *istate) |
70 | { |
71 | { |
71 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
72 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
72 | dump_istate(istate); |
73 | dump_istate(istate); |
73 | panic("%s\n", __FUNCTION__); |
74 | panic("%s\n", __FUNCTION__); |
74 | } |
75 | } |
75 | 76 | ||
76 | /** Handle privileged_opcode. (0x11) */ |
77 | /** Handle privileged_opcode. (0x11) */ |
77 | void privileged_opcode(int n, istate_t *istate) |
78 | void privileged_opcode(int n, istate_t *istate) |
78 | { |
79 | { |
79 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
80 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
80 | dump_istate(istate); |
81 | dump_istate(istate); |
81 | panic("%s\n", __FUNCTION__); |
82 | panic("%s\n", __FUNCTION__); |
82 | } |
83 | } |
- | 84 | ||
- | 85 | /** Handle fp_disabled. (0x20) */ |
|
- | 86 | void fp_disabled(int n, istate_t *istate) |
|
- | 87 | { |
|
- | 88 | fprs_reg_t fprs; |
|
- | 89 | ||
- | 90 | fprs.value = fprs_read(); |
|
- | 91 | if (!fprs.fef) { |
|
- | 92 | fprs.fef = true; |
|
- | 93 | fprs_write(fprs.value); |
|
- | 94 | return; |
|
- | 95 | } |
|
- | 96 | ||
- | 97 | #ifdef CONFIG_FPU_LAZY |
|
- | 98 | scheduler_fpu_lazy_request(); |
|
- | 99 | #else |
|
- | 100 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
|
- | 101 | dump_istate(istate); |
|
- | 102 | panic("%s\n", __FUNCTION__); |
|
- | 103 | #endif |
|
- | 104 | } |
|
83 | 105 | ||
84 | /** Handle division_by_zero. (0x28) */ |
106 | /** Handle division_by_zero. (0x28) */ |
85 | void division_by_zero(int n, istate_t *istate) |
107 | void division_by_zero(int n, istate_t *istate) |
86 | { |
108 | { |
87 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
109 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
88 | dump_istate(istate); |
110 | dump_istate(istate); |
89 | panic("%s\n", __FUNCTION__); |
111 | panic("%s\n", __FUNCTION__); |
90 | } |
112 | } |
91 | 113 | ||
92 | /** Handle data_access_exception. (0x30) */ |
114 | /** Handle data_access_exception. (0x30) */ |
93 | void data_access_exception(int n, istate_t *istate) |
115 | void data_access_exception(int n, istate_t *istate) |
94 | { |
116 | { |
95 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
117 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
96 | dump_istate(istate); |
118 | dump_istate(istate); |
97 | panic("%s\n", __FUNCTION__); |
119 | panic("%s\n", __FUNCTION__); |
98 | } |
120 | } |
99 | 121 | ||
100 | /** Handle data_access_error. (0x32) */ |
122 | /** Handle data_access_error. (0x32) */ |
101 | void data_access_error(int n, istate_t *istate) |
123 | void data_access_error(int n, istate_t *istate) |
102 | { |
124 | { |
103 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
125 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
104 | dump_istate(istate); |
126 | dump_istate(istate); |
105 | panic("%s\n", __FUNCTION__); |
127 | panic("%s\n", __FUNCTION__); |
106 | } |
128 | } |
107 | 129 | ||
108 | /** Handle mem_address_not_aligned. (0x34) */ |
130 | /** Handle mem_address_not_aligned. (0x34) */ |
109 | void mem_address_not_aligned(int n, istate_t *istate) |
131 | void mem_address_not_aligned(int n, istate_t *istate) |
110 | { |
132 | { |
111 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
133 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
112 | dump_istate(istate); |
134 | dump_istate(istate); |
113 | panic("%s\n", __FUNCTION__); |
135 | panic("%s\n", __FUNCTION__); |
114 | } |
136 | } |
115 | 137 | ||
116 | /** Handle privileged_action. (0x37) */ |
138 | /** Handle privileged_action. (0x37) */ |
117 | void privileged_action(int n, istate_t *istate) |
139 | void privileged_action(int n, istate_t *istate) |
118 | { |
140 | { |
119 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
141 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
120 | dump_istate(istate); |
142 | dump_istate(istate); |
121 | panic("%s\n", __FUNCTION__); |
143 | panic("%s\n", __FUNCTION__); |
122 | } |
144 | } |
123 | 145 | ||
124 | /** @} |
146 | /** @} |
125 | */ |
147 | */ |
126 | 148 |