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667 | jermar | 1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1703 | jermar | 29 | /** @addtogroup sparc64interrupt |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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1703 | jermar | 33 | * |
1702 | cejka | 34 | */ |
35 | |||
667 | jermar | 36 | #include <arch/trap/exception.h> |
1861 | jermar | 37 | #include <arch/interrupt.h> |
1870 | jermar | 38 | #include <interrupt.h> |
883 | jermar | 39 | #include <arch/asm.h> |
1882 | jermar | 40 | #include <arch/register.h> |
667 | jermar | 41 | #include <debug.h> |
1861 | jermar | 42 | #include <typedefs.h> |
1880 | jermar | 43 | #include <symtab.h> |
44 | #include <print.h> |
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667 | jermar | 45 | |
1880 | jermar | 46 | void dump_istate(istate_t *istate) |
47 | { |
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48 | printf("TSTATE=%#llx\n", istate->tstate); |
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49 | printf("TPC=%#llx (%s)\n", istate->tpc, get_symtab_entry(istate->tpc)); |
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50 | printf("TNPC=%#llx (%s)\n", istate->tnpc, get_symtab_entry(istate->tnpc)); |
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51 | } |
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52 | |||
1870 | jermar | 53 | /** Handle instruction_access_exception. (0x8) */ |
54 | void instruction_access_exception(int n, istate_t *istate) |
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667 | jermar | 55 | { |
1870 | jermar | 56 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
1880 | jermar | 57 | dump_istate(istate); |
58 | panic("%s\n", __FUNCTION__); |
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667 | jermar | 59 | } |
60 | |||
1870 | jermar | 61 | /** Handle instruction_access_error. (0xa) */ |
62 | void instruction_access_error(int n, istate_t *istate) |
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667 | jermar | 63 | { |
1870 | jermar | 64 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
1880 | jermar | 65 | dump_istate(istate); |
66 | panic("%s\n", __FUNCTION__); |
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667 | jermar | 67 | } |
883 | jermar | 68 | |
1870 | jermar | 69 | /** Handle illegal_instruction. (0x10) */ |
70 | void illegal_instruction(int n, istate_t *istate) |
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897 | jermar | 71 | { |
1870 | jermar | 72 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
1880 | jermar | 73 | dump_istate(istate); |
74 | panic("%s\n", __FUNCTION__); |
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897 | jermar | 75 | } |
76 | |||
1870 | jermar | 77 | /** Handle privileged_opcode. (0x11) */ |
78 | void privileged_opcode(int n, istate_t *istate) |
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883 | jermar | 79 | { |
1870 | jermar | 80 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
1880 | jermar | 81 | dump_istate(istate); |
82 | panic("%s\n", __FUNCTION__); |
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883 | jermar | 83 | } |
1702 | cejka | 84 | |
1883 | jermar | 85 | /** Handle unimplemented_LDD. (0x12) */ |
86 | void unimplemented_LDD(int n, istate_t *istate) |
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87 | { |
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88 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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89 | dump_istate(istate); |
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90 | panic("%s\n", __FUNCTION__); |
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91 | } |
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92 | |||
93 | /** Handle unimplemented_STD. (0x13) */ |
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94 | void unimplemented_STD(int n, istate_t *istate) |
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95 | { |
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96 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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97 | dump_istate(istate); |
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98 | panic("%s\n", __FUNCTION__); |
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99 | } |
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100 | |||
1882 | jermar | 101 | /** Handle fp_disabled. (0x20) */ |
102 | void fp_disabled(int n, istate_t *istate) |
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103 | { |
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104 | fprs_reg_t fprs; |
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105 | |||
106 | fprs.value = fprs_read(); |
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107 | if (!fprs.fef) { |
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108 | fprs.fef = true; |
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109 | fprs_write(fprs.value); |
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110 | return; |
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111 | } |
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112 | |||
113 | #ifdef CONFIG_FPU_LAZY |
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114 | scheduler_fpu_lazy_request(); |
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115 | #else |
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116 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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117 | dump_istate(istate); |
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118 | panic("%s\n", __FUNCTION__); |
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119 | #endif |
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120 | } |
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121 | |||
1883 | jermar | 122 | /** Handle fp_exception_ieee_754. (0x21) */ |
123 | void fp_exception_ieee_754(int n, istate_t *istate) |
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124 | { |
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125 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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126 | dump_istate(istate); |
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127 | panic("%s\n", __FUNCTION__); |
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128 | } |
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129 | |||
130 | /** Handle fp_exception_other. (0x22) */ |
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131 | void fp_exception_other(int n, istate_t *istate) |
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132 | { |
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133 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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134 | dump_istate(istate); |
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135 | panic("%s\n", __FUNCTION__); |
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136 | } |
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137 | |||
138 | /** Handle tag_overflow. (0x23) */ |
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139 | void tag_overflow(int n, istate_t *istate) |
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140 | { |
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141 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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142 | dump_istate(istate); |
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143 | panic("%s\n", __FUNCTION__); |
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144 | } |
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145 | |||
1870 | jermar | 146 | /** Handle division_by_zero. (0x28) */ |
147 | void division_by_zero(int n, istate_t *istate) |
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148 | { |
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149 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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1880 | jermar | 150 | dump_istate(istate); |
151 | panic("%s\n", __FUNCTION__); |
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1870 | jermar | 152 | } |
153 | |||
154 | /** Handle data_access_exception. (0x30) */ |
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155 | void data_access_exception(int n, istate_t *istate) |
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156 | { |
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157 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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1880 | jermar | 158 | dump_istate(istate); |
159 | panic("%s\n", __FUNCTION__); |
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1870 | jermar | 160 | } |
161 | |||
162 | /** Handle data_access_error. (0x32) */ |
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163 | void data_access_error(int n, istate_t *istate) |
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164 | { |
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165 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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1880 | jermar | 166 | dump_istate(istate); |
167 | panic("%s\n", __FUNCTION__); |
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1870 | jermar | 168 | } |
169 | |||
170 | /** Handle mem_address_not_aligned. (0x34) */ |
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171 | void mem_address_not_aligned(int n, istate_t *istate) |
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172 | { |
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173 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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1880 | jermar | 174 | dump_istate(istate); |
175 | panic("%s\n", __FUNCTION__); |
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1870 | jermar | 176 | } |
177 | |||
1883 | jermar | 178 | /** Handle LDDF_mem_address_not_aligned. (0x35) */ |
179 | void LDDF_mem_address_not_aligned(int n, istate_t *istate) |
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180 | { |
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181 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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182 | dump_istate(istate); |
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183 | panic("%s\n", __FUNCTION__); |
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184 | } |
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185 | |||
186 | /** Handle STDF_mem_address_not_aligned. (0x36) */ |
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187 | void STDF_mem_address_not_aligned(int n, istate_t *istate) |
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188 | { |
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189 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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190 | dump_istate(istate); |
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191 | panic("%s\n", __FUNCTION__); |
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192 | } |
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193 | |||
1870 | jermar | 194 | /** Handle privileged_action. (0x37) */ |
195 | void privileged_action(int n, istate_t *istate) |
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196 | { |
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197 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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1880 | jermar | 198 | dump_istate(istate); |
199 | panic("%s\n", __FUNCTION__); |
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1870 | jermar | 200 | } |
201 | |||
1883 | jermar | 202 | /** Handle LDQF_mem_address_not_aligned. (0x38) */ |
203 | void LDQF_mem_address_not_aligned(int n, istate_t *istate) |
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204 | { |
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205 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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206 | dump_istate(istate); |
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207 | panic("%s\n", __FUNCTION__); |
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208 | } |
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209 | |||
210 | /** Handle STQF_mem_address_not_aligned. (0x39) */ |
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211 | void STQF_mem_address_not_aligned(int n, istate_t *istate) |
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212 | { |
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213 | fault_if_from_uspace(istate, "%s\n", __FUNCTION__); |
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214 | dump_istate(istate); |
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215 | panic("%s\n", __FUNCTION__); |
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216 | } |
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217 | |||
1703 | jermar | 218 | /** @} |
1702 | cejka | 219 | */ |