1 | /* |
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2 | * Cirrus EP7312 linker script |
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3 | * |
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4 | * Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com> |
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5 | * |
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6 | * The license and distribution terms for this file may be |
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7 | * found in the file LICENSE in this distribution or at |
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8 | * |
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9 | * http://www.OARcorp.com/rtems/license.html. |
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10 | * |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", |
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16 | "elf32-littlearm") |
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17 | OUTPUT_ARCH(arm) |
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18 | ENTRY(_start) |
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19 | /* SEARCH_DIR(/usr/local/rtems-arm-dev-tools/arm-rtems/lib); */ |
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20 | |
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21 | |
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22 | MEMORY { |
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23 | sdram : ORIGIN = 0x00000000, LENGTH = 16M |
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24 | regs : ORIGIN = 0x80000000, LENGTH = 1M |
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25 | } |
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26 | |
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27 | /* |
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28 | * Declare some sizes. |
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29 | */ |
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30 | |
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31 | _sdram_base = DEFINED(_sdram_base) ? _sdram_base : 0x00000000; |
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32 | _sdram_size = DEFINED(_sdram_size) ? _sdram_size : 16M; |
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33 | |
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34 | |
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35 | _irq_stack_size = DEFINED(_irq_stack_size) ? _irq_stack_size : 0x1000; |
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36 | _fiq_stack_size = DEFINED(_fiq_stack_size) ? _fiq_stack_size : 0x400; |
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37 | _abt_stack_size = DEFINED(_abt_stack_size) ? _abt_stack_size : 0; |
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38 | _svc_stack_size = DEFINED(_svc_stack_size) ? _svc_stack_size : 0x1000; |
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39 | |
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40 | |
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41 | |
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42 | /* Do we need any of these for elf? |
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43 | __DYNAMIC = 0; */ |
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44 | |
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45 | SECTIONS |
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46 | { |
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47 | .base : |
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48 | { |
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49 | _sram_base = .; |
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50 | arm_exception_table = .; |
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51 | |
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52 | arm_reset_vect = .; /* 0x00 */ |
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53 | . += 4; |
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54 | |
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55 | arm_undef_vect = .; /* 0x04 */ |
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56 | . += 4; |
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57 | |
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58 | arm_swi_vect = .; /* 0x08 */ |
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59 | . += 4; |
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60 | |
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61 | arm_iabrt_vect = .; /* 0x0c */ |
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62 | . += 4; |
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63 | |
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64 | arm_dabrt_vect = .; /* 0x10 */ |
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65 | . += 4; |
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66 | |
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67 | /* no vector here */ |
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68 | . += 4; |
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69 | |
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70 | arm_irq_vect = .; /* 0x18 */ |
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71 | . += 4; |
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72 | |
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73 | arm_fiq_vect = .; /* 0x1c */ |
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74 | . += 4; |
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75 | /* FIXME: */ |
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76 | fiq_vect_table = .; /* this and irq_vector_table should be swapped */ |
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77 | . += (32 * 4); |
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78 | |
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79 | irq_vector_table = .; |
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80 | . += (32 * 4); |
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81 | |
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82 | } > sdram |
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83 | |
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84 | .init : |
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85 | { |
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86 | KEEP (*(.init)) |
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87 | } > sdram /*=0*/ |
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88 | |
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89 | .text : |
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90 | { |
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91 | _text_start = .; |
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92 | CREATE_OBJECT_SYMBOLS |
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93 | *(.text) |
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94 | *(.text.*) |
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95 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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96 | *(.gnu.warning) |
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97 | *(.gnu.linkonce.t*) |
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98 | *(.glue_7) |
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99 | *(.glue_7t) |
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100 | |
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101 | /* I think these come from the ld docs: */ |
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102 | ___CTOR_LIST__ = .; |
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103 | LONG((___CTOR_END__ - ___CTOR_LIST__) / 4 - 2) |
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104 | *(.ctors) |
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105 | LONG(0) |
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106 | ___CTOR_END__ = .; |
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107 | ___DTOR_LIST__ = .; |
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108 | LONG((___DTOR_END__ - ___DTOR_LIST__) / 4 - 2) |
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109 | *(.dtors) |
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110 | LONG(0) |
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111 | ___DTOR_END__ = .; |
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112 | |
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113 | _etext = .; |
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114 | PROVIDE (etext = .); |
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115 | } > sdram |
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116 | |
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117 | .fini : |
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118 | { |
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119 | KEEP (*(.fini)) |
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120 | } > sdram /*=0*/ |
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121 | |
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122 | .data : |
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123 | { |
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124 | *(.data) |
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125 | *(.data.*) |
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126 | *(.gnu.linkonce.d*) |
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127 | *(.jcr) |
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128 | SORT(CONSTRUCTORS) |
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129 | _edata = .; |
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130 | } > sdram |
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131 | |
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132 | .eh_frame : { *(.eh_frame) } > RAM |
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133 | .data1 : { *(.data1) } > RAM |
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134 | .eh_frame : { *(.eh_frame) } > RAM |
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135 | .gcc_except_table : { *(.gcc_except_table) } > RAM |
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136 | |
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137 | .rodata : |
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138 | { |
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139 | *(.rodata) |
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140 | *(.rodata.*) |
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141 | *(.gnu.linkonce.r*) |
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142 | } > sdram |
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143 | |
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144 | .bss : |
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145 | { |
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146 | _bss_start_ = .; |
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147 | _clear_start = .; |
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148 | *(.bss) |
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149 | *(.bss.*) |
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150 | *(COMMON) |
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151 | . = ALIGN(64); |
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152 | _clear_end = .; |
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153 | |
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154 | . = ALIGN (256); |
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155 | _abt_stack = .; |
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156 | . += _abt_stack_size; |
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157 | |
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158 | . = ALIGN (256); |
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159 | _irq_stack = .; |
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160 | . += _irq_stack_size; |
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161 | |
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162 | . = ALIGN (256); |
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163 | _fiq_stack = .; |
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164 | . += _fiq_stack_size; |
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165 | |
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166 | . = ALIGN (256); |
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167 | _svc_stack = .; |
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168 | . += _svc_stack_size; |
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169 | |
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170 | _bss_end_ = .; |
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171 | _end = .; |
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172 | __end = .; |
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173 | |
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174 | |
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175 | . = ALIGN (1024); |
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176 | _bss_free_start = .; |
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177 | |
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178 | } > sdram |
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179 | |
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180 | /* |
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181 | .regs : |
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182 | { |
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183 | ep7312_regs_base = .; |
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184 | ep7312_regs = .; |
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185 | . += 8192; |
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186 | } > regs |
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187 | */ |
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188 | |
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189 | |
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190 | /* Debugging stuff follows? */ |
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191 | |
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192 | /* Stabs debugging sections. */ |
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193 | .stab 0 : { *(.stab) } |
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194 | .stabstr 0 : { *(.stabstr) } |
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195 | .stab.excl 0 : { *(.stab.excl) } |
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196 | .stab.exclstr 0 : { *(.stab.exclstr) } |
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197 | .stab.index 0 : { *(.stab.index) } |
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198 | .stab.indexstr 0 : { *(.stab.indexstr) } |
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199 | .comment 0 : { *(.comment) } |
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200 | /* DWARF debug sections. |
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201 | Symbols in the DWARF debugging sections are relative to the beginning |
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202 | of the section so we begin them at 0. */ |
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203 | /* DWARF 1 */ |
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204 | .debug 0 : { *(.debug) } |
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205 | .line 0 : { *(.line) } |
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206 | /* GNU DWARF 1 extensions */ |
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207 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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208 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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209 | /* DWARF 1.1 and DWARF 2 */ |
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210 | .debug_aranges 0 : { *(.debug_aranges) } |
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211 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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212 | /* DWARF 2 */ |
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213 | .debug_info 0 : { *(.debug_info) } |
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214 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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215 | .debug_line 0 : { *(.debug_line) } |
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216 | .debug_frame 0 : { *(.debug_frame) } |
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217 | .debug_str 0 : { *(.debug_str) } |
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218 | .debug_loc 0 : { *(.debug_loc) } |
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219 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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220 | /* SGI/MIPS DWARF 2 extensions */ |
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221 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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222 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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223 | .debug_typenames 0 : { *(.debug_typenames) } |
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224 | .debug_varnames 0 : { *(.debug_varnames) } |
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225 | /*.stack 0x80000 : { _stack = .; *(.stack) }*/ |
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226 | /* These must appear regardless of . */ |
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227 | } |
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228 | |
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