1 | /* |
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2 | * raw_exception.c - This file contains implementation of C function to |
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3 | * Instantiate 60x ppc primary exception entries. |
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4 | * More detailed information can be found on motorola |
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5 | * site and more precisely in the following book : |
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6 | * |
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7 | * MPC750 |
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8 | * Risc Microporcessor User's Manual |
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9 | * Motorola REF : MPC750UM/AD 8/97 |
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10 | * |
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11 | * Copyright (C) 1999 Eric Valette (valette@crf.canon.fr) |
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12 | * Canon Centre Recherche France. |
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13 | * |
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14 | * Enhanced by Jay Kulpinski <jskulpin@eng01.gdds.com> |
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15 | * to support 603, 603e, 604, 604e exceptions |
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16 | * |
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17 | * moved to "libcpu/powerpc/new-exceptions and consolidated |
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18 | * by Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> |
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19 | * to be common for all PPCs with new excpetions |
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20 | * |
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21 | * The license and distribution terms for this file may be |
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22 | * found in found in the file LICENSE in this distribution or at |
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23 | * http://www.rtems.com/license/LICENSE. |
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24 | * |
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25 | * $Id$ |
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26 | */ |
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27 | #include <rtems.h> |
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28 | #include <rtems/system.h> |
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29 | #include <rtems/score/powerpc.h> |
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30 | #include <rtems/score/isr.h> |
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31 | #include <rtems/bspIo.h> |
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32 | #include <libcpu/raw_exception.h> |
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33 | #include <libcpu/cpuIdent.h> |
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34 | |
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35 | #include <string.h> |
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36 | |
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37 | #ifdef __ppc_generic |
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38 | #define PPC_HAS_60X_VECTORS |
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39 | #endif |
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40 | |
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41 | static rtems_raw_except_connect_data* raw_except_table; |
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42 | static rtems_raw_except_connect_data default_raw_except_entry; |
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43 | static rtems_raw_except_global_settings* local_settings; |
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44 | |
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45 | void * codemove(void *, const void *, unsigned int, unsigned long); |
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46 | |
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47 | boolean bsp_exceptions_in_RAM = TRUE; |
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48 | |
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49 | void* ppc_get_vector_addr(rtems_vector vector) |
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50 | { |
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51 | unsigned vaddr; |
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52 | |
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53 | vaddr = ((unsigned)vector) << 8; |
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54 | |
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55 | switch(vector) { |
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56 | /* |
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57 | * some vectors are located at odd addresses and only available |
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58 | * on some CPU derivates. this construct will handle them |
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59 | * if available |
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60 | */ |
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61 | /* Special case; altivec unavailable doesn't fit :-( */ |
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62 | case ASM_60X_VEC_VECTOR: |
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63 | #ifndef ASM_60X_VEC_VECTOR_OFFSET |
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64 | #define ASM_60X_VEC_VECTOR_OFFSET 0xf20 |
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65 | #endif |
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66 | if ( ppc_cpu_has_altivec() ) |
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67 | vaddr = ASM_60X_VEC_VECTOR_OFFSET; |
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68 | break; |
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69 | |
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70 | #if defined(ASM_BOOKE_FIT_VECTOR) |
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71 | case ASM_BOOKE_FIT_VECTOR: |
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72 | #ifndef ASM_BOOKE_FIT_VECTOR_OFFSET |
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73 | #define ASM_BOOKE_FIT_VECTOR_OFFSET 0x1010 |
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74 | #endif |
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75 | if ( PPC_405 == current_ppc_cpu ) |
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76 | vaddr = ASM_BOOKE_FIT_VECTOR_OFFSET; |
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77 | break; |
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78 | #endif |
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79 | #if defined(ASM_BOOKE_WDOG_VECTOR) |
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80 | case ASM_BOOKE_WDOG_VECTOR: |
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81 | #ifndef ASM_BOOKE_WDOG_VECTOR_OFFSET |
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82 | #define ASM_BOOKE_WDOG_VECTOR_OFFSET 0x1020 |
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83 | #endif |
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84 | if ( PPC_405 == current_ppc_cpu ) |
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85 | vaddr = ASM_BOOKE_WDOG_VECTOR_OFFSET; |
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86 | break; |
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87 | #endif |
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88 | default: |
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89 | break; |
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90 | } |
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91 | if ( bsp_exceptions_in_RAM ) |
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92 | return ((void*) vaddr); |
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93 | |
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94 | return ((void*) (vaddr + 0xfff00000)); |
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95 | } |
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96 | |
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97 | |
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98 | #if ( defined(mpc860) || defined(mpc821) || defined(__ppc_generic) ) |
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99 | |
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100 | static ppc_raw_exception_category mpc860_vector_is_valid(rtems_vector vector) |
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101 | { |
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102 | switch(vector) { |
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103 | case ASM_RESET_VECTOR: /* fall through */ |
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104 | case ASM_MACH_VECTOR: |
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105 | case ASM_PROT_VECTOR: |
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106 | case ASM_ISI_VECTOR: |
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107 | case ASM_EXT_VECTOR: |
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108 | case ASM_ALIGN_VECTOR: |
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109 | case ASM_PROG_VECTOR: |
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110 | case ASM_FLOAT_VECTOR: |
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111 | case ASM_DEC_VECTOR: |
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112 | |
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113 | case ASM_SYS_VECTOR: |
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114 | case ASM_TRACE_VECTOR: |
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115 | case ASM_8XX_FLOATASSIST_VECTOR: |
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116 | |
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117 | case ASM_8XX_SOFTEMUL_VECTOR: |
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118 | case ASM_8XX_ITLBMISS_VECTOR: |
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119 | case ASM_8XX_DTLBMISS_VECTOR: |
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120 | case ASM_8XX_ITLBERROR_VECTOR: |
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121 | case ASM_8XX_DTLBERROR_VECTOR: |
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122 | |
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123 | case ASM_8XX_DBREAK_VECTOR: |
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124 | case ASM_8XX_IBREAK_VECTOR: |
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125 | case ASM_8XX_PERIFBREAK_VECTOR: |
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126 | case ASM_8XX_DEVPORT_VECTOR: |
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127 | return PPC_EXC_CLASSIC; |
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128 | default: return PPC_EXC_INVALID; |
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129 | } |
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130 | } |
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131 | #endif |
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132 | |
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133 | #if (defined(mpc555) || defined(mpc505) || defined(__ppc_generic)) |
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134 | |
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135 | static ppc_raw_exception_category mpc5xx_vector_is_valid(rtems_vector vector) |
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136 | { |
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137 | switch (current_ppc_cpu) { |
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138 | case PPC_5XX: |
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139 | switch(vector) { |
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140 | case ASM_RESET_VECTOR: |
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141 | case ASM_MACH_VECTOR: |
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142 | |
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143 | case ASM_EXT_VECTOR: |
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144 | case ASM_ALIGN_VECTOR: |
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145 | case ASM_PROG_VECTOR: |
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146 | case ASM_FLOAT_VECTOR: |
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147 | case ASM_DEC_VECTOR: |
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148 | |
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149 | case ASM_SYS_VECTOR: |
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150 | case ASM_TRACE_VECTOR: |
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151 | case ASM_5XX_FLOATASSIST_VECTOR: |
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152 | |
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153 | case ASM_5XX_SOFTEMUL_VECTOR: |
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154 | |
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155 | case ASM_5XX_IPROT_VECTOR: |
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156 | case ASM_5XX_DPROT_VECTOR: |
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157 | |
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158 | case ASM_5XX_DBREAK_VECTOR: |
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159 | case ASM_5XX_IBREAK_VECTOR: |
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160 | case ASM_5XX_MEBREAK_VECTOR: |
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161 | case ASM_5XX_NMEBREAK_VECTOR: |
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162 | return PPC_EXC_CLASSIC; |
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163 | default: |
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164 | return PPC_EXC_INVALID; |
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165 | } |
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166 | default: |
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167 | printk("Please complete libcpu/powerpc/shared/new-exceptions/raw_exception.c\n"); |
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168 | printk("current_ppc_cpu = %x\n", current_ppc_cpu); |
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169 | return PPC_EXC_INVALID; |
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170 | } |
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171 | } |
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172 | #endif |
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173 | |
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174 | #if ( defined(ppc405) || defined(__ppc_generic) ) |
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175 | static ppc_raw_exception_category ppc405_vector_is_valid(rtems_vector vector) |
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176 | |
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177 | { |
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178 | ppc_raw_exception_category rval = PPC_EXC_INVALID; |
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179 | switch(vector) { |
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180 | case ASM_EXT_VECTOR: |
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181 | case ASM_BOOKE_PIT_VECTOR: |
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182 | |
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183 | rval |= PPC_EXC_ASYNC; |
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184 | |
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185 | /* fall through */ |
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186 | case ASM_PROT_VECTOR: |
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187 | case ASM_ISI_VECTOR: |
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188 | case ASM_ALIGN_VECTOR: |
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189 | case ASM_PROG_VECTOR: |
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190 | case ASM_SYS_VECTOR: |
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191 | case ASM_BOOKE_ITLBMISS_VECTOR: |
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192 | case ASM_BOOKE_DTLBMISS_VECTOR: |
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193 | |
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194 | return rval | PPC_EXC_CLASSIC; |
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195 | |
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196 | case ASM_RESET_VECTOR: /* fall through */ |
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197 | rval |= PPC_EXC_ASYNC; |
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198 | case ASM_MACH_VECTOR: |
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199 | return rval | PPC_EXC_405_CRITICAL; |
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200 | default: return PPC_EXC_INVALID; |
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201 | } |
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202 | } |
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203 | #endif /* defined(ppc405) */ |
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204 | |
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205 | #if defined(PPC_HAS_60X_VECTORS) /* 60x style cpu types */ |
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206 | |
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207 | static ppc_raw_exception_category altivec_vector_is_valid(rtems_vector vector) |
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208 | { |
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209 | if ( ppc_cpu_has_altivec() ) { |
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210 | switch(vector) { |
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211 | case ASM_60X_VEC_VECTOR: |
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212 | case ASM_60X_VEC_ASSIST_VECTOR: |
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213 | return PPC_EXC_CLASSIC; |
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214 | default: |
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215 | break; |
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216 | } |
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217 | } |
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218 | return PPC_EXC_INVALID; |
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219 | } |
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220 | |
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221 | static ppc_raw_exception_category mpc750_vector_is_valid(rtems_vector vector) |
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222 | |
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223 | { |
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224 | switch(vector) { |
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225 | case ASM_RESET_VECTOR: /* fall through */ |
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226 | case ASM_MACH_VECTOR: |
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227 | case ASM_PROT_VECTOR: |
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228 | case ASM_ISI_VECTOR: |
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229 | case ASM_EXT_VECTOR: |
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230 | case ASM_ALIGN_VECTOR: |
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231 | case ASM_PROG_VECTOR: |
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232 | case ASM_FLOAT_VECTOR: |
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233 | case ASM_DEC_VECTOR: |
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234 | case ASM_SYS_VECTOR: |
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235 | case ASM_TRACE_VECTOR: |
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236 | case ASM_60X_ADDR_VECTOR: |
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237 | case ASM_60X_SYSMGMT_VECTOR: |
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238 | case ASM_60X_ITM_VECTOR: |
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239 | return PPC_EXC_CLASSIC; |
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240 | default: return PPC_EXC_INVALID; |
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241 | } |
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242 | } |
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243 | |
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244 | static ppc_raw_exception_category PSIM_vector_is_valid(rtems_vector vector) |
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245 | { |
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246 | switch(vector) { |
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247 | case ASM_RESET_VECTOR: /* fall through */ |
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248 | case ASM_MACH_VECTOR: |
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249 | case ASM_PROT_VECTOR: |
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250 | case ASM_ISI_VECTOR: |
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251 | case ASM_EXT_VECTOR: |
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252 | case ASM_ALIGN_VECTOR: |
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253 | case ASM_PROG_VECTOR: |
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254 | case ASM_FLOAT_VECTOR: |
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255 | case ASM_DEC_VECTOR: |
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256 | return PPC_EXC_CLASSIC; |
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257 | case ASM_SYS_VECTOR: |
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258 | return PPC_EXC_INVALID; |
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259 | case ASM_TRACE_VECTOR: |
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260 | return PPC_EXC_CLASSIC; |
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261 | case ASM_60X_PERFMON_VECTOR: |
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262 | return PPC_EXC_INVALID; |
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263 | case ASM_60X_IMISS_VECTOR: /* fall through */ |
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264 | case ASM_60X_DLMISS_VECTOR: |
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265 | case ASM_60X_DSMISS_VECTOR: |
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266 | case ASM_60X_ADDR_VECTOR: |
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267 | case ASM_60X_SYSMGMT_VECTOR: |
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268 | return PPC_EXC_CLASSIC; |
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269 | case ASM_60X_ITM_VECTOR: |
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270 | return PPC_EXC_INVALID; |
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271 | } |
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272 | return PPC_EXC_INVALID; |
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273 | } |
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274 | |
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275 | static ppc_raw_exception_category mpc603_vector_is_valid(rtems_vector vector) |
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276 | { |
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277 | switch(vector) { |
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278 | case ASM_RESET_VECTOR: /* fall through */ |
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279 | case ASM_MACH_VECTOR: |
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280 | case ASM_PROT_VECTOR: |
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281 | case ASM_ISI_VECTOR: |
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282 | case ASM_EXT_VECTOR: |
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283 | case ASM_ALIGN_VECTOR: |
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284 | case ASM_PROG_VECTOR: |
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285 | case ASM_FLOAT_VECTOR: |
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286 | case ASM_DEC_VECTOR: |
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287 | case ASM_SYS_VECTOR: |
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288 | case ASM_TRACE_VECTOR: |
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289 | return PPC_EXC_CLASSIC; |
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290 | case ASM_60X_PERFMON_VECTOR: |
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291 | return PPC_EXC_INVALID; |
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292 | case ASM_60X_IMISS_VECTOR: /* fall through */ |
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293 | case ASM_60X_DLMISS_VECTOR: |
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294 | case ASM_60X_DSMISS_VECTOR: |
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295 | case ASM_60X_ADDR_VECTOR: |
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296 | case ASM_60X_SYSMGMT_VECTOR: |
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297 | return PPC_EXC_CLASSIC; |
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298 | case ASM_60X_ITM_VECTOR: |
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299 | return PPC_EXC_INVALID; |
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300 | } |
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301 | return PPC_EXC_INVALID; |
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302 | } |
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303 | |
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304 | static ppc_raw_exception_category mpc604_vector_is_valid(rtems_vector vector) |
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305 | { |
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306 | switch(vector) { |
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307 | case ASM_RESET_VECTOR: /* fall through */ |
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308 | case ASM_MACH_VECTOR: |
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309 | case ASM_PROT_VECTOR: |
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310 | case ASM_ISI_VECTOR: |
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311 | case ASM_EXT_VECTOR: |
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312 | case ASM_ALIGN_VECTOR: |
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313 | case ASM_PROG_VECTOR: |
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314 | case ASM_FLOAT_VECTOR: |
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315 | case ASM_DEC_VECTOR: |
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316 | case ASM_SYS_VECTOR: |
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317 | case ASM_TRACE_VECTOR: |
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318 | case ASM_60X_PERFMON_VECTOR: |
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319 | return PPC_EXC_CLASSIC; |
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320 | case ASM_60X_IMISS_VECTOR: /* fall through */ |
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321 | case ASM_60X_DLMISS_VECTOR: |
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322 | case ASM_60X_DSMISS_VECTOR: |
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323 | return PPC_EXC_INVALID; |
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324 | case ASM_60X_ADDR_VECTOR: /* fall through */ |
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325 | case ASM_60X_SYSMGMT_VECTOR: |
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326 | return PPC_EXC_CLASSIC; |
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327 | case ASM_60X_ITM_VECTOR: |
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328 | return PPC_EXC_INVALID; |
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329 | } |
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330 | return PPC_EXC_INVALID; |
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331 | } |
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332 | |
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333 | static ppc_raw_exception_category e500_vector_is_valid(rtems_vector vector) |
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334 | { |
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335 | ppc_raw_exception_category rval = PPC_EXC_INVALID; |
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336 | |
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337 | switch (vector) { |
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338 | case ASM_MACH_VECTOR: |
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339 | return PPC_EXC_E500_MACHCHK; |
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340 | |
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341 | case ASM_BOOKE_CRIT_VECTOR: |
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342 | case ASM_BOOKE_WDOG_VECTOR: |
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343 | rval |= PPC_EXC_ASYNC; |
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344 | /* fall thru */ |
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345 | case ASM_TRACE_VECTOR: |
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346 | return rval | PPC_EXC_BOOKE_CRITICAL; |
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347 | |
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348 | case ASM_EXT_VECTOR: |
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349 | case ASM_DEC_VECTOR: |
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350 | case ASM_BOOKE_FIT_VECTOR: |
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351 | rval |= PPC_EXC_ASYNC; |
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352 | |
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353 | /* fall thru */ |
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354 | |
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355 | case ASM_PROT_VECTOR: |
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356 | case ASM_ISI_VECTOR: |
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357 | case ASM_ALIGN_VECTOR: |
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358 | case ASM_PROG_VECTOR: |
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359 | case ASM_FLOAT_VECTOR: |
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360 | case ASM_SYS_VECTOR: |
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361 | case /* APU unavailable */ 0x0b: |
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362 | |
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363 | case ASM_60X_DLMISS_VECTOR: |
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364 | case ASM_60X_DSMISS_VECTOR: |
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365 | case ASM_60X_VEC_VECTOR: |
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366 | case ASM_60X_PERFMON_VECTOR: |
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367 | |
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368 | case /* emb FP data */ 0x15: |
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369 | case /* emb FP round */ 0x16: |
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370 | return rval | PPC_EXC_CLASSIC; |
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371 | default: |
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372 | break; |
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373 | } |
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374 | return PPC_EXC_INVALID; |
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375 | } |
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376 | |
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377 | #endif /* 60x style cpu types */ |
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378 | |
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379 | ppc_raw_exception_category ppc_vector_is_valid(rtems_vector vector) |
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380 | { |
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381 | ppc_raw_exception_category rval = PPC_EXC_INVALID; |
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382 | |
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383 | switch (current_ppc_cpu) { |
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384 | #if defined(PPC_HAS_60X_VECTORS) |
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385 | case PPC_7400: |
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386 | if ( ( rval = altivec_vector_is_valid(vector)) ) |
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387 | return rval; |
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388 | /* else fall thru */ |
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389 | case PPC_750: |
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390 | rval = mpc750_vector_is_valid(vector); |
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391 | break; |
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392 | case PPC_7455: /* Kate Feng */ |
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393 | case PPC_7457: |
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394 | if ( ( rval = altivec_vector_is_valid(vector) ) ) |
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395 | return rval; |
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396 | /* else fall thru */ |
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397 | case PPC_604: |
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398 | case PPC_604e: |
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399 | case PPC_604r: |
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400 | rval = mpc604_vector_is_valid(vector); |
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401 | break; |
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402 | case PPC_603: |
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403 | case PPC_603e: |
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404 | case PPC_603le: |
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405 | case PPC_603ev: |
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406 | case PPC_8260: |
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407 | /* case PPC_8240: -- same value as 8260 */ |
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408 | case PPC_8245: |
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409 | case PPC_e300c1: |
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410 | case PPC_e300c2: |
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411 | case PPC_e300c3: |
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412 | rval = mpc603_vector_is_valid(vector); |
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413 | break; |
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414 | case PPC_PSIM: |
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415 | rval = PSIM_vector_is_valid(vector); |
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416 | break; |
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417 | case PPC_8540: |
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418 | rval = e500_vector_is_valid(vector); |
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419 | break; |
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420 | #endif |
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421 | #if ( defined(mpc555) || defined(mpc505) || defined(__ppc_generic) ) |
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422 | case PPC_5XX: |
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423 | rval = mpc5xx_vector_is_valid(vector); |
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424 | break; |
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425 | #endif |
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426 | #if ( defined(mpc860) || defined(mpc821) || defined(__ppc_generic) ) |
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427 | case PPC_860: |
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428 | rval = mpc860_vector_is_valid(vector); |
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429 | break; |
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430 | #endif |
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431 | #if ( defined(ppc405) || defined(__ppc_generic) ) |
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432 | case PPC_405: |
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433 | rval = ppc405_vector_is_valid(vector); |
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434 | break; |
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435 | #endif |
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436 | default: |
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437 | printk("Please complete " |
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438 | "libcpu/powerpc/new-exceptions/raw_exception.c\n" |
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439 | "current_ppc_cpu = %x\n", current_ppc_cpu); |
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440 | return PPC_EXC_INVALID; |
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441 | } |
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442 | /* set ASYNC flag for all CPU flavors EE and DEC */ |
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443 | if ( ASM_EXT_VECTOR == rval || ASM_DEC_VECTOR == rval ) { |
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444 | rval |= PPC_EXC_ASYNC; |
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445 | } |
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446 | return rval; |
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447 | } |
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448 | |
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449 | int ppc_set_exception (const rtems_raw_except_connect_data* except) |
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450 | { |
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451 | rtems_interrupt_level k; |
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452 | |
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453 | if ( PPC_EXC_INVALID == ppc_vector_is_valid(except->hdl.vector) ) { |
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454 | printk("ppc_set_exception: vector %d is not valid\n", |
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455 | except->hdl.vector); |
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456 | return 0; |
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457 | } |
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458 | /* |
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459 | * Check if default handler is actually connected. If not issue an error. |
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460 | * You must first get the current handler via mpc60x_get_current_exception |
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461 | * and then disconnect it using mpc60x_delete_exception. |
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462 | * RATIONALE : to always have the same transition by forcing the user |
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463 | * to get the previous handler before accepting to disconnect. |
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464 | */ |
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465 | |
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466 | if (memcmp(ppc_get_vector_addr(except->hdl.vector), |
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467 | (void*)default_raw_except_entry.hdl.raw_hdl, |
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468 | default_raw_except_entry.hdl.raw_hdl_size)) { |
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469 | printk("ppc_set_exception: raw vector not installed\n"); |
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470 | return 0; |
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471 | } |
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472 | |
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473 | rtems_interrupt_disable(k); |
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474 | |
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475 | raw_except_table [except->exceptIndex] = *except; |
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476 | codemove(ppc_get_vector_addr(except->hdl.vector), |
---|
477 | except->hdl.raw_hdl, |
---|
478 | except->hdl.raw_hdl_size, |
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479 | PPC_CACHE_ALIGNMENT); |
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480 | if (except->on) |
---|
481 | except->on(except); |
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482 | |
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483 | rtems_interrupt_enable(k); |
---|
484 | return 1; |
---|
485 | } |
---|
486 | |
---|
487 | int ppc_get_current_exception (rtems_raw_except_connect_data* except) |
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488 | { |
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489 | rtems_interrupt_level k; |
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490 | int i; |
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491 | |
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492 | if ( PPC_EXC_INVALID == ppc_vector_is_valid(except->hdl.vector) ) { |
---|
493 | return 0; |
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494 | } |
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495 | |
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496 | for (i=0; i < local_settings->exceptSize; i++) { |
---|
497 | if ( raw_except_table[i].hdl.vector == except->hdl.vector ) { |
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498 | rtems_interrupt_disable(k); |
---|
499 | if ( raw_except_table[i].hdl.vector == except->hdl.vector ) { |
---|
500 | *except = raw_except_table[i]; |
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501 | rtems_interrupt_enable(k); |
---|
502 | return 1; |
---|
503 | } |
---|
504 | rtems_interrupt_enable(k); |
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505 | } |
---|
506 | } |
---|
507 | |
---|
508 | return 0; |
---|
509 | } |
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510 | |
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511 | int ppc_delete_exception (const rtems_raw_except_connect_data* except) |
---|
512 | { |
---|
513 | rtems_interrupt_level k; |
---|
514 | |
---|
515 | if ( PPC_EXC_INVALID == ppc_vector_is_valid(except->hdl.vector) ) { |
---|
516 | return 0; |
---|
517 | } |
---|
518 | /* |
---|
519 | * Check if handler passed is actually connected. If not issue an error. |
---|
520 | * You must first get the current handler via ppc_get_current_exception |
---|
521 | * and then disconnect it using ppc_delete_exception. |
---|
522 | * RATIONALE : to always have the same transition by forcing the user |
---|
523 | * to get the previous handler before accepting to disconnect. |
---|
524 | */ |
---|
525 | if (memcmp(ppc_get_vector_addr(except->hdl.vector), |
---|
526 | (void*)except->hdl.raw_hdl, |
---|
527 | except->hdl.raw_hdl_size)) { |
---|
528 | return 0; |
---|
529 | } |
---|
530 | rtems_interrupt_disable(k); |
---|
531 | |
---|
532 | if (except->off) |
---|
533 | except->off(except); |
---|
534 | codemove(ppc_get_vector_addr(except->hdl.vector), |
---|
535 | default_raw_except_entry.hdl.raw_hdl, |
---|
536 | default_raw_except_entry.hdl.raw_hdl_size, |
---|
537 | PPC_CACHE_ALIGNMENT); |
---|
538 | |
---|
539 | |
---|
540 | raw_except_table[except->exceptIndex] = default_raw_except_entry; |
---|
541 | raw_except_table[except->exceptIndex].exceptIndex = except->exceptIndex; |
---|
542 | raw_except_table[except->exceptIndex].hdl.vector = except->hdl.vector; |
---|
543 | |
---|
544 | rtems_interrupt_enable(k); |
---|
545 | |
---|
546 | return 1; |
---|
547 | } |
---|
548 | |
---|
549 | /* |
---|
550 | * Exception global init. |
---|
551 | */ |
---|
552 | int ppc_init_exceptions (rtems_raw_except_global_settings* config) |
---|
553 | { |
---|
554 | rtems_interrupt_level k; |
---|
555 | int i; |
---|
556 | |
---|
557 | /* |
---|
558 | * store various accelerators |
---|
559 | */ |
---|
560 | raw_except_table = config->rawExceptHdlTbl; |
---|
561 | local_settings = config; |
---|
562 | default_raw_except_entry = config->defaultRawEntry; |
---|
563 | |
---|
564 | rtems_interrupt_disable(k); |
---|
565 | |
---|
566 | if ( ppc_cpu_is_bookE() ) { |
---|
567 | e500_setup_raw_exceptions(); |
---|
568 | } |
---|
569 | |
---|
570 | for (i=0; i < config->exceptSize; i++) { |
---|
571 | if ( PPC_EXC_INVALID == ppc_vector_is_valid(raw_except_table[i].hdl.vector) ) { |
---|
572 | continue; |
---|
573 | } |
---|
574 | codemove(ppc_get_vector_addr(raw_except_table[i].hdl.vector), |
---|
575 | raw_except_table[i].hdl.raw_hdl, |
---|
576 | raw_except_table[i].hdl.raw_hdl_size, |
---|
577 | PPC_CACHE_ALIGNMENT); |
---|
578 | if (raw_except_table[i].hdl.raw_hdl != default_raw_except_entry.hdl.raw_hdl) { |
---|
579 | if (raw_except_table[i].on) |
---|
580 | raw_except_table[i].on(&raw_except_table[i]); |
---|
581 | } |
---|
582 | else { |
---|
583 | if (raw_except_table[i].off) |
---|
584 | raw_except_table[i].off(&raw_except_table[i]); |
---|
585 | } |
---|
586 | } |
---|
587 | rtems_interrupt_enable(k); |
---|
588 | |
---|
589 | return 1; |
---|
590 | } |
---|
591 | |
---|
592 | int ppc_get_exception_config (rtems_raw_except_global_settings** config) |
---|
593 | { |
---|
594 | *config = local_settings; |
---|
595 | return 1; |
---|
596 | } |
---|