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annotate packages/hal/arm/arch/current/src/arm.ld @ 154:e2d866e32dac

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Merge from eCos master repository on 2001-02-26-23:18:05-GMT
author jlarmour
date Tue, 27 Feb 2001 01:21:45 +0000
parents 6ed91473a1cd
children 022f1e506033
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1 //=============================================================================
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2 //
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3 // MLT linker script for ARM
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4 // adapted from packages/hal/arm/pid/v1_1/src/pid.ld
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5 //
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6 //=============================================================================
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7 //####COPYRIGHTBEGIN####
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8 //
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9 // -------------------------------------------
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10 // The contents of this file are subject to the Red Hat eCos Public License
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11 // Version 1.1 (the "License"); you may not use this file except in
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12 // compliance with the License. You may obtain a copy of the License at
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13 // http://www.redhat.com/
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14 //
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15 // Software distributed under the License is distributed on an "AS IS"
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16 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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17 // License for the specific language governing rights and limitations under
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18 // the License.
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19 //
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20 // The Original Code is eCos - Embedded Configurable Operating System,
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21 // released September 30, 1998.
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22 //
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23 // The Initial Developer of the Original Code is Red Hat.
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24 // Portions created by Red Hat are
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25 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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26 // All Rights Reserved.
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27 // -------------------------------------------
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28 //
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29 //####COPYRIGHTEND####
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30 //=============================================================================
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31
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32 #include <pkgconf/system.h>
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33
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34 STARTUP(vectors.o)
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35 ENTRY(reset_vector)
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36 #ifdef EXTRAS
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37 INPUT(extras.o)
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38 #endif
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39 GROUP(libtarget.a libgcc.a)
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40
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41 #if defined(__ARMEB__)
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42 OUTPUT_FORMAT(elf32-bigarm)
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43 #endif
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44
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45 #if defined(CYG_HAL_STARTUP_ROM) \
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46 && defined(CYGPKG_HAL_ARM_PID) \
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47 && defined(__ARMEB__)
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48 // Note: This is only needed when the PID board is used in BE mode without
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49 // the proper ROM controller part.
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50 //
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51 // In big-endian mode, merge .RODATA sections into the .DATA section. This
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52 // causes the data in these sections to be copied to RAM. When the CPU
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53 // makes byte or halfword access to RAM, A0/A1 are modified correctly.
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54 // This does not happen on ROM access (unless the proper ROM controller
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55 // is used).
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56 //
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57 #define MERGE_IN_RODATA *(.rodata*)
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58 #define CYGPRI_PID_BE_WORKAROUND
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59 #else
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60 // Keep RODATA in separate sections.
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61 #define MERGE_IN_RODATA
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62 #undef CYGPRI_PID_BE_WORKAROUND
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63 #endif
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64
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65 #define ALIGN_LMA 4
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66 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
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67 #define LMA_EQ_VMA
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68 #define FORCE_OUTPUT . = .
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69
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70 #define SECTIONS_BEGIN \
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71 /* Debug information */ \
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72 .debug_aranges 0 : { *(.debug_aranges) } \
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73 .debug_pubnames 0 : { *(.debug_pubnames) } \
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74 .debug_info 0 : { *(.debug_info) } \
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75 .debug_abbrev 0 : { *(.debug_abbrev) } \
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76 .debug_line 0 : { *(.debug_line) } \
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77 .debug_frame 0 : { *(.debug_frame) } \
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78 .debug_str 0 : { *(.debug_str) } \
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79 .debug_loc 0 : { *(.debug_loc) } \
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80 .debug_macinfo 0 : { *(.debug_macinfo) }
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81
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82 #define SECTION_fixed_vectors(_region_, _vma_, _lma_) \
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83 .fixed_vectors _vma_ : _lma_ \
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84 { FORCE_OUTPUT; KEEP (*(.fixed_vectors)) } \
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85 > _region_
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86
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87 #define SECTION_rom_vectors(_region_, _vma_, _lma_) \
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88 .rom_vectors _vma_ : _lma_ \
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89 { FORCE_OUTPUT; KEEP (*(.vectors)) } \
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90 > _region_
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91
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92 #define SECTION_text(_region_, _vma_, _lma_) \
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93 .text _vma_ : _lma_ \
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94 { _stext = ABSOLUTE(.); \
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95 PROVIDE (__stext = ABSOLUTE(.)); \
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96 *(.text*) *(.gnu.warning) *(.gnu.linkonce*) *(.init) \
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97 *(.glue_7) *(.glue_7t) \
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98 } > _region_ \
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99 _etext = .; PROVIDE (__etext = .);
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100
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101 #define SECTION_fini(_region_, _vma_, _lma_) \
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102 .fini _vma_ : _lma_ \
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103 { FORCE_OUTPUT; *(.fini) } \
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104 > _region_
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105
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106 #if defined(CYGPRI_PID_BE_WORKAROUND)
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107 #define SECTION_rodata(_region_, _vma_, _lma_)
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108 #define SECTION_rodata1(_region_, _vma_, _lma_)
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109 #else
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110 #define SECTION_rodata(_region_, _vma_, _lma_) \
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111 .rodata _vma_ : _lma_ \
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112 { FORCE_OUTPUT; *(.rodata*) } \
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113 > _region_
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114
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115 #define SECTION_rodata1(_region_, _vma_, _lma_) \
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116 .rodata1 _vma_ : _lma_ \
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117 { FORCE_OUTPUT; *(.rodata1) } \
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118 > _region_
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119 #endif // CYGPRI_PID_BE_WORKAROUND
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120
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121 #define SECTION_fixup(_region_, _vma_, _lma_) \
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122 .fixup _vma_ : _lma_ \
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123 { FORCE_OUTPUT; *(.fixup) } \
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124 > _region_
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125
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126 #define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
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127 .gcc_except_table _vma_ : _lma_ \
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128 { FORCE_OUTPUT; *(.gcc_except_table) } \
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129 > _region_
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130
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131 #define SECTION_mmu_tables(_region_, _vma_, _lma_) \
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132 .mmu_tables _vma_ : _lma_ \
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133 { FORCE_OUTPUT; *(.mmu_tables) } \
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134 > _region_
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135
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136 #define SECTION_sram(_region_, _vma_, _lma_) \
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137 .sram _vma_ : _lma_ \
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138 { FORCE_OUTPUT; *(.sram*) } \
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139 > _region_
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140
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141 #define SECTION_data(_region_, _vma_, _lma_) \
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142 .data _vma_ : _lma_ \
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143 { __ram_data_start = ABSOLUTE (.); *(.data*) *(.data1) MERGE_IN_RODATA \
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144 _GOT1_START_ = ABSOLUTE (.); *(.got1) _GOT1_END_ = ABSOLUTE (.); \
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145 _GOT2_START_ = ABSOLUTE (.); *(.got2) _GOT2_END_ = ABSOLUTE (.); \
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146 . = ALIGN (4); \
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147 KEEP(*( SORT (.ecos.table.*))) ; \
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148 . = ALIGN (4); \
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149 __CTOR_LIST__ = ABSOLUTE (.); KEEP (*(SORT (.ctors*))) __CTOR_END__ = ABSOLUTE (.); \
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150 __DTOR_LIST__ = ABSOLUTE (.); KEEP (*(SORT (.dtors*))) __DTOR_END__ = ABSOLUTE (.); \
154
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151 *(.dynamic) *(.sdata*) *(.sbss*) \
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152 . = ALIGN (4); *(.2ram.*) } \
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153 > _region_ \
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154 __rom_data_start = LOADADDR (.data); \
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155 __ram_data_end = .; PROVIDE (__ram_data_end = .); _edata = .; PROVIDE (edata = .); \
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156 PROVIDE (__rom_data_end = LOADADDR (.data) + SIZEOF(.data));
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157
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158 #define SECTION_bss(_region_, _vma_, _lma_) \
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159 .bss _vma_ : _lma_ \
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160 { __bss_start = ABSOLUTE (.); \
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161 *(.scommon) *(.dynbss) *(.bss*) *(COMMON) \
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162 __bss_end = ABSOLUTE (.); } \
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163 > _region_
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164
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165 #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .);
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166
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167 #include <pkgconf/hal_arm.h>
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168 #include CYGHWR_MEMORY_LAYOUT_LDI