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667 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
667 jermar 3
 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1703 jermar 29
/** @addtogroup sparc64interrupt
1702 cejka 30
 * @{
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 */
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/** @file
1703 jermar 33
 *
1702 cejka 34
 */
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667 jermar 36
#include <arch/trap/exception.h>
3862 rimsky 37
#include <arch/mm/tlb.h>
1861 jermar 38
#include <arch/interrupt.h>
1870 jermar 39
#include <interrupt.h>
883 jermar 40
#include <arch/asm.h>
1882 jermar 41
#include <arch/register.h>
667 jermar 42
#include <debug.h>
1880 jermar 43
#include <symtab.h>
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#include <print.h>
667 jermar 45
 
1880 jermar 46
void dump_istate(istate_t *istate)
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{
3071 decky 48
    printf("TSTATE=%#" PRIx64 "\n", istate->tstate);
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    printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, get_symtab_entry(istate->tpc));
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    printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc));
1880 jermar 51
}
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1870 jermar 53
/** Handle instruction_access_exception. (0x8) */
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void instruction_access_exception(int n, istate_t *istate)
667 jermar 55
{
2462 jermar 56
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 57
    dump_istate(istate);
2462 jermar 58
    panic("%s\n", __func__);
667 jermar 59
}
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1870 jermar 61
/** Handle instruction_access_error. (0xa) */
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void instruction_access_error(int n, istate_t *istate)
667 jermar 63
{
2462 jermar 64
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 65
    dump_istate(istate);
2462 jermar 66
    panic("%s\n", __func__);
667 jermar 67
}
883 jermar 68
 
1870 jermar 69
/** Handle illegal_instruction. (0x10) */
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void illegal_instruction(int n, istate_t *istate)
897 jermar 71
{
2462 jermar 72
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 73
    dump_istate(istate);
2462 jermar 74
    panic("%s\n", __func__);
897 jermar 75
}
76
 
1870 jermar 77
/** Handle privileged_opcode. (0x11) */
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void privileged_opcode(int n, istate_t *istate)
883 jermar 79
{
2462 jermar 80
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 81
    dump_istate(istate);
2462 jermar 82
    panic("%s\n", __func__);
883 jermar 83
}
1702 cejka 84
 
1883 jermar 85
/** Handle unimplemented_LDD. (0x12) */
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void unimplemented_LDD(int n, istate_t *istate)
87
{
2462 jermar 88
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 89
    dump_istate(istate);
2462 jermar 90
    panic("%s\n", __func__);
1883 jermar 91
}
92
 
93
/** Handle unimplemented_STD. (0x13) */
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void unimplemented_STD(int n, istate_t *istate)
95
{
2462 jermar 96
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 97
    dump_istate(istate);
2462 jermar 98
    panic("%s\n", __func__);
1883 jermar 99
}
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1882 jermar 101
/** Handle fp_disabled. (0x20) */
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void fp_disabled(int n, istate_t *istate)
103
{
104
    fprs_reg_t fprs;
105
 
106
    fprs.value = fprs_read();
107
    if (!fprs.fef) {
108
        fprs.fef = true;
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        fprs_write(fprs.value);
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        return;
111
    }
112
 
113
#ifdef CONFIG_FPU_LAZY
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    scheduler_fpu_lazy_request();
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#else
2462 jermar 116
    fault_if_from_uspace(istate, "%s\n", __func__);
1882 jermar 117
    dump_istate(istate);
2462 jermar 118
    panic("%s\n", __func__);
1882 jermar 119
#endif
120
}
121
 
1883 jermar 122
/** Handle fp_exception_ieee_754. (0x21) */
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void fp_exception_ieee_754(int n, istate_t *istate)
124
{
2462 jermar 125
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 126
    dump_istate(istate);
2462 jermar 127
    panic("%s\n", __func__);
1883 jermar 128
}
129
 
130
/** Handle fp_exception_other. (0x22) */
131
void fp_exception_other(int n, istate_t *istate)
132
{
2462 jermar 133
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 134
    dump_istate(istate);
2462 jermar 135
    panic("%s\n", __func__);
1883 jermar 136
}
137
 
138
/** Handle tag_overflow. (0x23) */
139
void tag_overflow(int n, istate_t *istate)
140
{
2462 jermar 141
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 142
    dump_istate(istate);
2462 jermar 143
    panic("%s\n", __func__);
1883 jermar 144
}
145
 
1870 jermar 146
/** Handle division_by_zero. (0x28) */
147
void division_by_zero(int n, istate_t *istate)
148
{
2462 jermar 149
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 150
    dump_istate(istate);
2462 jermar 151
    panic("%s\n", __func__);
1870 jermar 152
}
153
 
154
/** Handle data_access_exception. (0x30) */
155
void data_access_exception(int n, istate_t *istate)
156
{
2462 jermar 157
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 158
    dump_istate(istate);
4129 rimsky 159
    describe_dmmu_fault();
2462 jermar 160
    panic("%s\n", __func__);
1870 jermar 161
}
162
 
163
/** Handle data_access_error. (0x32) */
164
void data_access_error(int n, istate_t *istate)
165
{
2462 jermar 166
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 167
    dump_istate(istate);
2462 jermar 168
    panic("%s\n", __func__);
1870 jermar 169
}
170
 
171
/** Handle mem_address_not_aligned. (0x34) */
172
void mem_address_not_aligned(int n, istate_t *istate)
173
{
2462 jermar 174
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 175
    dump_istate(istate);
2462 jermar 176
    panic("%s\n", __func__);
1870 jermar 177
}
178
 
1883 jermar 179
/** Handle LDDF_mem_address_not_aligned. (0x35) */
180
void LDDF_mem_address_not_aligned(int n, istate_t *istate)
181
{
2462 jermar 182
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 183
    dump_istate(istate);
2462 jermar 184
    panic("%s\n", __func__);
1883 jermar 185
}
186
 
187
/** Handle STDF_mem_address_not_aligned. (0x36) */
188
void STDF_mem_address_not_aligned(int n, istate_t *istate)
189
{
2462 jermar 190
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 191
    dump_istate(istate);
2462 jermar 192
    panic("%s\n", __func__);
1883 jermar 193
}
194
 
1870 jermar 195
/** Handle privileged_action. (0x37) */
196
void privileged_action(int n, istate_t *istate)
197
{
2462 jermar 198
    fault_if_from_uspace(istate, "%s\n", __func__);
1880 jermar 199
    dump_istate(istate);
2462 jermar 200
    panic("%s\n", __func__);
1870 jermar 201
}
202
 
1883 jermar 203
/** Handle LDQF_mem_address_not_aligned. (0x38) */
204
void LDQF_mem_address_not_aligned(int n, istate_t *istate)
205
{
2462 jermar 206
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 207
    dump_istate(istate);
2462 jermar 208
    panic("%s\n", __func__);
1883 jermar 209
}
210
 
211
/** Handle STQF_mem_address_not_aligned. (0x39) */
212
void STQF_mem_address_not_aligned(int n, istate_t *istate)
213
{
2462 jermar 214
    fault_if_from_uspace(istate, "%s\n", __func__);
1883 jermar 215
    dump_istate(istate);
2462 jermar 216
    panic("%s\n", __func__);
1883 jermar 217
}
218
 
1703 jermar 219
/** @}
1702 cejka 220
 */