1 | /* |
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2 | * Copyright (c) 2011, 2017 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #include <bspopts.h> |
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16 | #include <rtems/score/percpu.h> |
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17 | #include <bsp/vectors.h> |
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18 | |
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19 | #define SCRATCH_REGISTER_0 r3 |
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20 | #define SCRATCH_REGISTER_1 r4 |
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21 | |
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22 | .global ppc_exc_fatal_normal |
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23 | .global ppc_exc_fatal_critical |
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24 | .global ppc_exc_fatal_machine_check |
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25 | .global ppc_exc_fatal_debug |
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26 | |
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27 | ppc_exc_fatal_critical: |
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28 | |
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29 | PPC_REG_STORE SCRATCH_REGISTER_1, GPR4_OFFSET(r1) |
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30 | mfcsrr0 SCRATCH_REGISTER_1 |
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31 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR0_FRAME_OFFSET(r1) |
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32 | mfcsrr1 SCRATCH_REGISTER_1 |
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33 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR1_FRAME_OFFSET(r1) |
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34 | b .Lppc_exc_fatal |
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35 | |
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36 | ppc_exc_fatal_machine_check: |
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37 | |
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38 | PPC_REG_STORE SCRATCH_REGISTER_1, GPR4_OFFSET(r1) |
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39 | mfmcsrr0 SCRATCH_REGISTER_1 |
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40 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR0_FRAME_OFFSET(r1) |
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41 | mfmcsrr1 SCRATCH_REGISTER_1 |
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42 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR1_FRAME_OFFSET(r1) |
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43 | b .Lppc_exc_fatal |
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44 | |
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45 | ppc_exc_fatal_debug: |
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46 | |
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47 | PPC_REG_STORE SCRATCH_REGISTER_1, GPR4_OFFSET(r1) |
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48 | mfspr SCRATCH_REGISTER_1, BOOKE_DSRR0 |
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49 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR0_FRAME_OFFSET(r1) |
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50 | mfspr SCRATCH_REGISTER_1, BOOKE_DSRR1 |
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51 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR1_FRAME_OFFSET(r1) |
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52 | b .Lppc_exc_fatal |
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53 | |
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54 | ppc_exc_fatal_normal: |
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55 | |
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56 | PPC_REG_STORE SCRATCH_REGISTER_1, GPR4_OFFSET(r1) |
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57 | mfsrr0 SCRATCH_REGISTER_1 |
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58 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR0_FRAME_OFFSET(r1) |
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59 | mfsrr1 SCRATCH_REGISTER_1 |
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60 | PPC_REG_STORE SCRATCH_REGISTER_1, SRR1_FRAME_OFFSET(r1) |
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61 | |
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62 | .Lppc_exc_fatal: |
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63 | |
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64 | stw r3, EXCEPTION_NUMBER_OFFSET(r1) |
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65 | mfcr SCRATCH_REGISTER_1 |
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66 | stw SCRATCH_REGISTER_1, EXC_CR_OFFSET(r1) |
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67 | mfxer SCRATCH_REGISTER_1 |
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68 | stw SCRATCH_REGISTER_1, EXC_XER_OFFSET(r1) |
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69 | mfctr SCRATCH_REGISTER_1 |
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70 | PPC_REG_STORE SCRATCH_REGISTER_1, EXC_CTR_OFFSET(r1) |
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71 | mflr SCRATCH_REGISTER_1 |
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72 | PPC_REG_STORE SCRATCH_REGISTER_1, EXC_LR_OFFSET(r1) |
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73 | PPC_REG_STORE r0, GPR0_OFFSET(r1) |
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74 | PPC_REG_STORE r1, GPR1_OFFSET(r1) |
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75 | PPC_REG_STORE r2, GPR2_OFFSET(r1) |
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76 | PPC_REG_STORE r5, GPR5_OFFSET(r1) |
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77 | PPC_REG_STORE r6, GPR6_OFFSET(r1) |
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78 | PPC_REG_STORE r7, GPR7_OFFSET(r1) |
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79 | PPC_REG_STORE r8, GPR8_OFFSET(r1) |
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80 | PPC_REG_STORE r9, GPR9_OFFSET(r1) |
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81 | PPC_REG_STORE r10, GPR10_OFFSET(r1) |
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82 | PPC_REG_STORE r11, GPR11_OFFSET(r1) |
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83 | PPC_REG_STORE r12, GPR12_OFFSET(r1) |
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84 | PPC_REG_STORE r13, GPR13_OFFSET(r1) |
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85 | PPC_REG_STORE r14, GPR14_OFFSET(r1) |
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86 | PPC_REG_STORE r15, GPR15_OFFSET(r1) |
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87 | PPC_REG_STORE r16, GPR16_OFFSET(r1) |
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88 | PPC_REG_STORE r17, GPR17_OFFSET(r1) |
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89 | PPC_REG_STORE r18, GPR18_OFFSET(r1) |
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90 | PPC_REG_STORE r19, GPR19_OFFSET(r1) |
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91 | PPC_REG_STORE r20, GPR20_OFFSET(r1) |
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92 | PPC_REG_STORE r21, GPR21_OFFSET(r1) |
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93 | PPC_REG_STORE r22, GPR22_OFFSET(r1) |
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94 | PPC_REG_STORE r23, GPR23_OFFSET(r1) |
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95 | PPC_REG_STORE r24, GPR24_OFFSET(r1) |
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96 | PPC_REG_STORE r25, GPR25_OFFSET(r1) |
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97 | PPC_REG_STORE r26, GPR26_OFFSET(r1) |
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98 | PPC_REG_STORE r27, GPR27_OFFSET(r1) |
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99 | PPC_REG_STORE r28, GPR28_OFFSET(r1) |
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100 | PPC_REG_STORE r29, GPR29_OFFSET(r1) |
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101 | PPC_REG_STORE r30, GPR30_OFFSET(r1) |
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102 | PPC_REG_STORE r31, GPR31_OFFSET(r1) |
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103 | |
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104 | /* Enable FPU and/or AltiVec */ |
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105 | #if defined(PPC_MULTILIB_FPU) || defined(PPC_MULTILIB_ALTIVEC) |
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106 | mfmsr SCRATCH_REGISTER_1 |
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107 | #ifdef PPC_MULTILIB_FPU |
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108 | ori SCRATCH_REGISTER_1, SCRATCH_REGISTER_1, MSR_FP |
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109 | #endif |
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110 | #ifdef PPC_MULTILIB_ALTIVEC |
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111 | oris SCRATCH_REGISTER_1, SCRATCH_REGISTER_1, MSR_VE >> 16 |
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112 | #endif |
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113 | mtmsr SCRATCH_REGISTER_1 |
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114 | isync |
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115 | #endif |
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116 | |
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117 | #ifdef PPC_MULTILIB_ALTIVEC |
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118 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(0) |
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119 | stvx v0, r1, SCRATCH_REGISTER_1 |
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120 | mfvscr v0 |
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121 | li SCRATCH_REGISTER_1, PPC_EXC_VSCR_OFFSET |
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122 | stvewx v0, r1, SCRATCH_REGISTER_1 |
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123 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(1) |
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124 | stvx v1, r1, SCRATCH_REGISTER_1 |
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125 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(2) |
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126 | stvx v2, r1, SCRATCH_REGISTER_1 |
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127 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(3) |
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128 | stvx v3, r1, SCRATCH_REGISTER_1 |
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129 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(4) |
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130 | stvx v4, r1, SCRATCH_REGISTER_1 |
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131 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(5) |
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132 | stvx v5, r1, SCRATCH_REGISTER_1 |
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133 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(6) |
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134 | stvx v6, r1, SCRATCH_REGISTER_1 |
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135 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(7) |
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136 | stvx v7, r1, SCRATCH_REGISTER_1 |
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137 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(8) |
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138 | stvx v8, r1, SCRATCH_REGISTER_1 |
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139 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(9) |
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140 | stvx v9, r1, SCRATCH_REGISTER_1 |
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141 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(10) |
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142 | stvx v10, r1, SCRATCH_REGISTER_1 |
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143 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(11) |
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144 | stvx v11, r1, SCRATCH_REGISTER_1 |
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145 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(12) |
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146 | stvx v12, r1, SCRATCH_REGISTER_1 |
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147 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(13) |
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148 | stvx v13, r1, SCRATCH_REGISTER_1 |
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149 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(14) |
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150 | stvx v14, r1, SCRATCH_REGISTER_1 |
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151 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(15) |
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152 | stvx v15, r1, SCRATCH_REGISTER_1 |
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153 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(16) |
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154 | stvx v16, r1, SCRATCH_REGISTER_1 |
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155 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(17) |
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156 | stvx v17, r1, SCRATCH_REGISTER_1 |
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157 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(18) |
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158 | stvx v18, r1, SCRATCH_REGISTER_1 |
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159 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(19) |
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160 | stvx v19, r1, SCRATCH_REGISTER_1 |
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161 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(20) |
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162 | stvx v20, r1, SCRATCH_REGISTER_1 |
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163 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(21) |
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164 | stvx v21, r1, SCRATCH_REGISTER_1 |
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165 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(22) |
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166 | stvx v22, r1, SCRATCH_REGISTER_1 |
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167 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(23) |
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168 | stvx v23, r1, SCRATCH_REGISTER_1 |
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169 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(24) |
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170 | stvx v24, r1, SCRATCH_REGISTER_1 |
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171 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(25) |
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172 | stvx v25, r1, SCRATCH_REGISTER_1 |
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173 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(26) |
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174 | stvx v26, r1, SCRATCH_REGISTER_1 |
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175 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(27) |
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176 | stvx v27, r1, SCRATCH_REGISTER_1 |
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177 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(28) |
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178 | stvx v28, r1, SCRATCH_REGISTER_1 |
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179 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(29) |
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180 | stvx v29, r1, SCRATCH_REGISTER_1 |
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181 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(30) |
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182 | stvx v30, r1, SCRATCH_REGISTER_1 |
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183 | li SCRATCH_REGISTER_1, PPC_EXC_VR_OFFSET(31) |
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184 | stvx v31, r1, SCRATCH_REGISTER_1 |
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185 | mfvrsave SCRATCH_REGISTER_1 |
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186 | stw SCRATCH_REGISTER_1, PPC_EXC_VRSAVE_OFFSET(r1) |
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187 | #endif |
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188 | |
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189 | #ifdef PPC_MULTILIB_FPU |
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190 | stfd f0, PPC_EXC_FR_OFFSET(0)(r1) |
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191 | mffs f0 |
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192 | stfd f0, PPC_EXC_FPSCR_OFFSET(r1) |
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193 | stfd f1, PPC_EXC_FR_OFFSET(1)(r1) |
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194 | stfd f2, PPC_EXC_FR_OFFSET(2)(r1) |
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195 | stfd f3, PPC_EXC_FR_OFFSET(3)(r1) |
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196 | stfd f4, PPC_EXC_FR_OFFSET(4)(r1) |
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197 | stfd f5, PPC_EXC_FR_OFFSET(5)(r1) |
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198 | stfd f6, PPC_EXC_FR_OFFSET(6)(r1) |
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199 | stfd f7, PPC_EXC_FR_OFFSET(7)(r1) |
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200 | stfd f8, PPC_EXC_FR_OFFSET(8)(r1) |
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201 | stfd f9, PPC_EXC_FR_OFFSET(9)(r1) |
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202 | stfd f10, PPC_EXC_FR_OFFSET(10)(r1) |
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203 | stfd f11, PPC_EXC_FR_OFFSET(11)(r1) |
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204 | stfd f12, PPC_EXC_FR_OFFSET(12)(r1) |
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205 | stfd f13, PPC_EXC_FR_OFFSET(13)(r1) |
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206 | stfd f14, PPC_EXC_FR_OFFSET(14)(r1) |
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207 | stfd f15, PPC_EXC_FR_OFFSET(15)(r1) |
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208 | stfd f16, PPC_EXC_FR_OFFSET(16)(r1) |
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209 | stfd f17, PPC_EXC_FR_OFFSET(17)(r1) |
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210 | stfd f18, PPC_EXC_FR_OFFSET(18)(r1) |
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211 | stfd f19, PPC_EXC_FR_OFFSET(19)(r1) |
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212 | stfd f20, PPC_EXC_FR_OFFSET(20)(r1) |
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213 | stfd f21, PPC_EXC_FR_OFFSET(21)(r1) |
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214 | stfd f22, PPC_EXC_FR_OFFSET(22)(r1) |
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215 | stfd f23, PPC_EXC_FR_OFFSET(23)(r1) |
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216 | stfd f24, PPC_EXC_FR_OFFSET(24)(r1) |
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217 | stfd f25, PPC_EXC_FR_OFFSET(25)(r1) |
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218 | stfd f26, PPC_EXC_FR_OFFSET(26)(r1) |
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219 | stfd f27, PPC_EXC_FR_OFFSET(27)(r1) |
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220 | stfd f28, PPC_EXC_FR_OFFSET(28)(r1) |
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221 | stfd f29, PPC_EXC_FR_OFFSET(29)(r1) |
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222 | stfd f30, PPC_EXC_FR_OFFSET(30)(r1) |
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223 | stfd f31, PPC_EXC_FR_OFFSET(31)(r1) |
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224 | #endif |
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225 | |
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226 | li r3, 9 |
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227 | addi r4, r1, FRAME_LINK_SPACE |
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228 | b _Terminate |
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