[cb585c3] | 1 | /* linkcmds |
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| 2 | * |
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| 3 | * $Id$ |
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| 4 | */ |
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| 5 | |
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| 6 | OUTPUT_ARCH(sparc) |
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| 7 | __DYNAMIC = 0; |
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| 8 | |
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| 9 | /* |
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| 10 | * The memory map looks like this: |
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| 11 | * +--------------------+ <- low memory |
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| 12 | * | .text | |
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| 13 | * | etext | |
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| 14 | * | ctor list | the ctor and dtor lists are for |
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| 15 | * | dtor list | C++ support |
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| 16 | * | _endtext | |
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| 17 | * +--------------------+ |
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| 18 | * | .data | initialized data goes here |
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| 19 | * | _sdata | |
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| 20 | * | _edata | |
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| 21 | * +--------------------+ |
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| 22 | * | .bss | |
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| 23 | * | __bss_start | start of bss, cleared by crt0 |
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| 24 | * | _end | start of heap, used by sbrk() |
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| 25 | * +--------------------+ |
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| 26 | * | heap space | |
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| 27 | * | _ENDHEAP | |
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| 28 | * | stack space | |
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| 29 | * | __stack | top of stack |
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| 30 | * +--------------------+ <- high memory |
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| 31 | */ |
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| 32 | |
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| 33 | |
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| 34 | /* |
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| 35 | * User modifiable values: |
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| 36 | * |
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| 37 | * _CLOCK_SPEED in Mhz (used to program the counter/timers) |
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| 38 | * |
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| 39 | * _PROM_SIZE size of PROM (permissible values are 4K, 8K, 16K |
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| 40 | * 32K, 64K, 128K, 256K, and 512K) |
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| 41 | * _RAM_SIZE size of RAM (permissible values are 256K, 512K, |
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| 42 | * 1MB, 2Mb, 4Mb, 8Mb, 16Mb, and 32Mb) |
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| 43 | * |
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| 44 | * MAKE SURE THESE MATCH THE MEMORY DESCRIPTION SECTION!!! |
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| 45 | */ |
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| 46 | |
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| 47 | /* |
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| 48 | _CLOCK_SPEED = 10; |
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| 49 | */ |
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| 50 | |
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| 51 | _PROM_SIZE = 512K; |
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| 52 | _RAM_SIZE = 2M; |
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| 53 | |
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| 54 | _RAM_START = 0x02000000; |
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| 55 | _RAM_END = _RAM_START + _RAM_SIZE; |
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| 56 | |
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| 57 | _PROM_START = 0x00000000; |
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| 58 | _PROM_END = _PROM_START + _PROM_SIZE; |
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| 59 | |
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| 60 | /* |
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| 61 | * Base address of the on-CPU peripherals |
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| 62 | */ |
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| 63 | |
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| 64 | _ERC32_MEC = 0x01f80000; |
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| 65 | |
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| 66 | MEMORY |
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| 67 | { |
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| 68 | rom : ORIGIN = 0x00000000, LENGTH = 512K |
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| 69 | ram : ORIGIN = 0x02000000, LENGTH = 2M |
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| 70 | } |
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| 71 | |
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| 72 | /* |
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| 73 | * stick everything in ram (of course) |
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| 74 | */ |
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| 75 | SECTIONS |
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| 76 | { |
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| 77 | .text : |
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| 78 | { |
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| 79 | CREATE_OBJECT_SYMBOLS |
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| 80 | text_start = .; |
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| 81 | _text_start = .; |
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| 82 | *(.text) |
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| 83 | etext = ALIGN(0x10); |
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| 84 | _etext = .; |
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| 85 | __CTOR_LIST__ = .; |
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| 86 | LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) |
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| 87 | *(.ctors) |
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| 88 | LONG(0) |
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| 89 | __CTOR_END__ = .; |
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| 90 | __DTOR_LIST__ = .; |
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| 91 | LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) |
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| 92 | *(.dtors) |
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| 93 | LONG(0) |
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| 94 | __DTOR_END__ = .; |
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| 95 | *(.lit) |
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| 96 | *(.shdata) |
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| 97 | _endtext = .; |
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| 98 | } > ram |
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| 99 | .data : |
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| 100 | { |
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| 101 | data_start = .; |
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| 102 | _data_start = .; |
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| 103 | _sdata = . ; |
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| 104 | *(.data) |
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| 105 | CONSTRUCTORS |
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| 106 | edata = ALIGN(0x10); |
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| 107 | _edata = .; |
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| 108 | } > ram |
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| 109 | .shbss : |
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| 110 | { |
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| 111 | *(.shbss) |
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| 112 | } > ram |
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| 113 | .bss : |
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| 114 | { |
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| 115 | __bss_start = ALIGN(0x8); |
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| 116 | _bss_start = .; |
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| 117 | bss_start = .; |
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| 118 | *(.bss) |
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| 119 | *(COMMON) |
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| 120 | end = .; |
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| 121 | _end = ALIGN(0x8); |
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| 122 | __end = ALIGN(0x8); |
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| 123 | } > ram |
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| 124 | .stab . (NOLOAD) : |
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| 125 | { |
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| 126 | [ .stab ] |
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| 127 | } |
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| 128 | .stabstr . (NOLOAD) : |
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| 129 | { |
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| 130 | [ .stabstr ] |
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| 131 | } |
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| 132 | } |
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