[02e708d] | 1 | /* |
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| 2 | * This file contains GNU linker directives for the Cogent |
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| 3 | * CSB360 development board. |
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| 4 | * |
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| 5 | * Copyright (C) 2004 Cogent Computer Systems |
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| 6 | * Author: Jay Monkman <jtm@lopingdog.com> |
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| 7 | */ |
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| 8 | |
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| 9 | /* |
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| 10 | * Declare size of heap. |
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| 11 | * A heap size of 0 means "Use all available memory for the heap". |
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| 12 | * Initial stack located in on-chip SRAM and not declared there. |
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| 13 | */ |
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[07ce99e] | 14 | HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; |
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| 15 | RamBase = DEFINED(RamBase) ? RamBase : 0x00100000; |
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| 16 | RamSize = DEFINED(RamSize) ? RamSize : 31M; |
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[02e708d] | 17 | |
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| 18 | /* This is needed for _CPU_ISR_install_vector - |
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| 19 | * WARNING: it MUST match BSP_RAMBAR !!!!!!!!!!! */ |
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| 20 | _VBR = 0x20000000; |
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| 21 | |
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[eca0eeb3] | 22 | ENTRY(start) |
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| 23 | STARTUP(start.o) |
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| 24 | |
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[02e708d] | 25 | /* |
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| 26 | * Setup the memory map of the CSB360 board |
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| 27 | * |
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| 28 | * The "ram" section is placed in RAM after the space used by umon. |
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| 29 | * |
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| 30 | */ |
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| 31 | MEMORY |
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| 32 | { |
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| 33 | ram : ORIGIN = 0x00100000, LENGTH = 31M |
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| 34 | } |
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| 35 | |
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| 36 | SECTIONS |
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| 37 | { |
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| 38 | |
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| 39 | /* |
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| 40 | * Text, data and bss segments |
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| 41 | */ |
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| 42 | .text : |
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| 43 | { |
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[07ce99e] | 44 | RamBase = .; |
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| 45 | RamBase = .; |
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[02e708d] | 46 | CREATE_OBJECT_SYMBOLS |
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[4217b96] | 47 | *(.text*) |
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[02e708d] | 48 | |
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| 49 | /* |
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| 50 | * C++ constructors/destructors |
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| 51 | */ |
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| 52 | *(.gnu.linkonce.t.*) |
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| 53 | |
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| 54 | /* |
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| 55 | * Initialization and finalization code. |
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| 56 | */ |
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| 57 | . = ALIGN (16); |
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| 58 | PROVIDE (_init = .); |
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| 59 | *crti.o(.init) |
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| 60 | *(.init) |
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| 61 | *crtn.o(.init) |
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| 62 | . = ALIGN (16); |
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| 63 | PROVIDE (_fini = .); |
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| 64 | *crti.o(.fini) |
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| 65 | *(.fini) |
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| 66 | *crtn.o(.fini) |
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| 67 | |
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| 68 | /* |
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| 69 | * Special FreeBSD sysctl sections. |
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| 70 | */ |
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| 71 | . = ALIGN (16); |
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| 72 | __start_set_sysctl_set = .; |
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| 73 | *(set_sysctl_*); |
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| 74 | __stop_set_sysctl_set = ABSOLUTE(.); |
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| 75 | *(set_domain_*); |
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| 76 | *(set_pseudo_*); |
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| 77 | |
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| 78 | /* |
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| 79 | * C++ constructors/destructors |
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| 80 | */ |
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| 81 | . = ALIGN (16); |
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| 82 | *crtbegin.o(.ctors) |
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| 83 | *(.ctors) |
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| 84 | *crtend.o(.ctors) |
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| 85 | *crtbegin.o(.dtors) |
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| 86 | *(.dtors) |
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| 87 | *crtend.o(.dtors) |
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| 88 | |
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| 89 | /* |
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| 90 | * Exception frame info |
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| 91 | */ |
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| 92 | . = ALIGN (16); |
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| 93 | *(.eh_frame) |
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| 94 | |
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| 95 | /* |
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| 96 | * Read-only data |
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| 97 | */ |
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| 98 | . = ALIGN (16); |
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| 99 | _rodata_start = .; |
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| 100 | *(.rodata*) |
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[b618d8c] | 101 | KEEP (*(SORT(.rtemsroset.*))) |
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[02e708d] | 102 | *(.gnu.linkonce.r*) |
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| 103 | |
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| 104 | . = ALIGN (16); |
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| 105 | PROVIDE (etext = .); |
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| 106 | |
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| 107 | } > ram |
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| 108 | |
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[960fd85] | 109 | .tdata : { |
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| 110 | _TLS_Data_begin = .; |
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| 111 | *(.tdata .tdata.* .gnu.linkonce.td.*) |
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| 112 | _TLS_Data_end = .; |
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| 113 | } >ram |
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| 114 | |
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| 115 | .tbss : { |
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| 116 | _TLS_BSS_begin = .; |
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| 117 | *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) |
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| 118 | _TLS_BSS_end = .; |
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| 119 | } >ram |
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| 120 | |
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| 121 | _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; |
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[d60e760] | 122 | _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; |
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| 123 | _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; |
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[960fd85] | 124 | _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; |
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| 125 | _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; |
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[d60e760] | 126 | _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); |
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[960fd85] | 127 | |
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| 128 | |
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[02e708d] | 129 | .data : |
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| 130 | { |
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| 131 | copy_start = .; |
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| 132 | *(.shdata) |
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| 133 | . = ALIGN (0x10); |
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[1144653] | 134 | *(.data*) |
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[b618d8c] | 135 | KEEP (*(SORT(.rtemsrwset.*))) |
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[02e708d] | 136 | . = ALIGN (0x10); |
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| 137 | *(.gcc_exc) |
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[d1f57b5] | 138 | *(.gcc_except_table*) |
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[02e708d] | 139 | *(.jcr) |
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| 140 | . = ALIGN (0x10); |
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| 141 | *(.gnu.linkonce.d*) |
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| 142 | . = ALIGN (0x10); |
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| 143 | _edata = .; |
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| 144 | copy_end = .; |
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| 145 | } > ram |
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| 146 | |
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| 147 | .bss : |
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| 148 | { |
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| 149 | clear_start = . ; |
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| 150 | *(.shbss) |
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[3dae380] | 151 | *(.dynbss) |
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[4217b96] | 152 | *(.bss* .gnu.linkonce.b.*) |
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[3dae380] | 153 | *(COMMON) |
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[02e708d] | 154 | . = ALIGN(0x10); |
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| 155 | _end = .; |
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| 156 | |
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| 157 | clear_end = .; |
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| 158 | |
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[07ce99e] | 159 | WorkAreaBase = .; |
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| 160 | WorkAreaBase = .; |
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[02e708d] | 161 | |
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| 162 | } > ram |
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| 163 | |
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| 164 | .stab 0 (NOLOAD) : |
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| 165 | { |
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| 166 | *(.stab) |
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| 167 | } |
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| 168 | |
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| 169 | .stabstr 0 (NOLOAD) : |
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| 170 | { |
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| 171 | *(.stabstr) |
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| 172 | } |
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| 173 | |
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| 174 | } |
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