2 * Copyright (c) 2005 Jakub Jermar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
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
15 * derived from this software without specific prior written permission.
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
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 /** @addtogroup sparc64interrupt
36 #include <arch/trap/exception.h>
37 #include <arch/mm/tlb.h>
38 #include <arch/interrupt.h>
39 #include <interrupt.h>
41 #include <arch/register.h>
47 void dump_istate(istate_t
*istate
)
49 printf("TSTATE=%#llx\n", istate
->tstate
);
50 printf("TPC=%#llx (%s)\n", istate
->tpc
, get_symtab_entry(istate
->tpc
));
51 printf("TNPC=%#llx (%s)\n", istate
->tnpc
, get_symtab_entry(istate
->tnpc
));
54 /** Handle instruction_access_exception. (0x8) */
55 void instruction_access_exception(int n
, istate_t
*istate
)
57 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
59 panic("%s\n", __FUNCTION__
);
62 /** Handle instruction_access_error. (0xa) */
63 void instruction_access_error(int n
, istate_t
*istate
)
65 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
67 panic("%s\n", __FUNCTION__
);
70 /** Handle illegal_instruction. (0x10) */
71 void illegal_instruction(int n
, istate_t
*istate
)
73 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
75 panic("%s\n", __FUNCTION__
);
78 /** Handle privileged_opcode. (0x11) */
79 void privileged_opcode(int n
, istate_t
*istate
)
81 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
83 panic("%s\n", __FUNCTION__
);
86 /** Handle unimplemented_LDD. (0x12) */
87 void unimplemented_LDD(int n
, istate_t
*istate
)
89 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
91 panic("%s\n", __FUNCTION__
);
94 /** Handle unimplemented_STD. (0x13) */
95 void unimplemented_STD(int n
, istate_t
*istate
)
97 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
99 panic("%s\n", __FUNCTION__
);
102 /** Handle fp_disabled. (0x20) */
103 void fp_disabled(int n
, istate_t
*istate
)
107 fprs
.value
= fprs_read();
110 fprs_write(fprs
.value
);
114 #ifdef CONFIG_FPU_LAZY
115 scheduler_fpu_lazy_request();
117 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
119 panic("%s\n", __FUNCTION__
);
123 /** Handle fp_exception_ieee_754. (0x21) */
124 void fp_exception_ieee_754(int n
, istate_t
*istate
)
126 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
128 panic("%s\n", __FUNCTION__
);
131 /** Handle fp_exception_other. (0x22) */
132 void fp_exception_other(int n
, istate_t
*istate
)
134 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
136 panic("%s\n", __FUNCTION__
);
139 /** Handle tag_overflow. (0x23) */
140 void tag_overflow(int n
, istate_t
*istate
)
142 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
144 panic("%s\n", __FUNCTION__
);
147 /** Handle division_by_zero. (0x28) */
148 void division_by_zero(int n
, istate_t
*istate
)
150 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
152 panic("%s\n", __FUNCTION__
);
155 /** Handle data_access_exception. (0x30) */
156 void data_access_exception(int n
, istate_t
*istate
)
158 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
160 dump_sfsr_and_sfar();
161 panic("%s\n", __FUNCTION__
);
164 /** Handle data_access_error. (0x32) */
165 void data_access_error(int n
, istate_t
*istate
)
167 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
169 panic("%s\n", __FUNCTION__
);
172 /** Handle mem_address_not_aligned. (0x34) */
173 void mem_address_not_aligned(int n
, istate_t
*istate
)
175 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
177 panic("%s\n", __FUNCTION__
);
180 /** Handle LDDF_mem_address_not_aligned. (0x35) */
181 void LDDF_mem_address_not_aligned(int n
, istate_t
*istate
)
183 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
185 panic("%s\n", __FUNCTION__
);
188 /** Handle STDF_mem_address_not_aligned. (0x36) */
189 void STDF_mem_address_not_aligned(int n
, istate_t
*istate
)
191 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
193 panic("%s\n", __FUNCTION__
);
196 /** Handle privileged_action. (0x37) */
197 void privileged_action(int n
, istate_t
*istate
)
199 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
201 panic("%s\n", __FUNCTION__
);
204 /** Handle LDQF_mem_address_not_aligned. (0x38) */
205 void LDQF_mem_address_not_aligned(int n
, istate_t
*istate
)
207 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
209 panic("%s\n", __FUNCTION__
);
212 /** Handle STQF_mem_address_not_aligned. (0x39) */
213 void STQF_mem_address_not_aligned(int n
, istate_t
*istate
)
215 fault_if_from_uspace(istate
, "%s\n", __FUNCTION__
);
217 panic("%s\n", __FUNCTION__
);