| 1 | /*
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| 2 | * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
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| 3 | * Copyright (C) 2008-2009 PetaLogix
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| 4 | * Copyright (C) 2006 Atmark Techno, Inc.
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| 5 | *
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| 6 | * This file is subject to the terms and conditions of the GNU General Public
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| 7 | * License. See the file "COPYING" in the main directory of this archive
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| 8 | * for more details.
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| 9 | */
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| 10 |
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| 11 | OUTPUT_ARCH(microblaze)
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| 12 | ENTRY(microblaze_start)
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| 13 |
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| 14 | |
| 15 |
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| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 |
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| 21 | |
| 22 | jiffies = jiffies_64;
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| 23 | |
| 24 | jiffies = jiffies_64 + 4;
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| 25 | |
| 26 |
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| 27 | SECTIONS {
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| 28 | . = CONFIG_KERNEL_START;
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| 29 | microblaze_start = CONFIG_KERNEL_BASE_ADDR;
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| 30 | .text : AT(ADDR(.text) - LOAD_OFFSET) {
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| 31 | _text = . ;
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| 32 | _stext = . ;
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| 33 | HEAD_TEXT
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| 34 | TEXT_TEXT
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| 35 | *(.fixup)
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| 36 | EXIT_TEXT
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| 37 | EXIT_CALL
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| 38 | SCHED_TEXT
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| 39 | LOCK_TEXT
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| 40 | KPROBES_TEXT
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| 41 | IRQENTRY_TEXT
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| 42 | SOFTIRQENTRY_TEXT
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| 43 | . = ALIGN (4) ;
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| 44 | _etext = . ;
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| 45 | }
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| 46 |
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| 47 | . = ALIGN (8) ;
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| 48 | __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
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| 49 | _fdt_start = . ; /* place for fdt blob */
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| 50 | *(__fdt_blob) ; /* Any link-placed DTB */
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| 51 | . = _fdt_start + 0x10000; /* Pad up to 64kbyte */
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| 52 | _fdt_end = . ;
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| 53 | }
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| 54 |
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| 55 | . = ALIGN(16);
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| 56 | RO_DATA(4096)
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| 57 |
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| 58 | /*
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| 59 | * sdata2 section can go anywhere, but must be word aligned
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| 60 | * and SDA2_BASE must point to the middle of it
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| 61 | */
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| 62 | .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
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| 63 | _ssrw = .;
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| 64 | . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
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| 65 | *(.sdata2)
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| 66 | . = ALIGN(8);
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| 67 | _essrw = .;
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| 68 | _ssrw_size = _essrw - _ssrw;
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| 69 | _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
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| 70 | }
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| 71 |
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| 72 | _sdata = . ;
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| 73 | RW_DATA(32, PAGE_SIZE, THREAD_SIZE)
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| 74 | _edata = . ;
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| 75 |
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| 76 | /* Under the microblaze ABI, .sdata and .sbss must be contiguous */
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| 77 | . = ALIGN(8);
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| 78 | .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
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| 79 | _ssro = .;
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| 80 | *(.sdata)
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| 81 | }
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| 82 |
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| 83 | .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {
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| 84 | _ssbss = .;
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| 85 | *(.sbss)
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| 86 | _esbss = .;
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| 87 | _essro = .;
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| 88 | _ssro_size = _essro - _ssro ;
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| 89 | _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
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| 90 | }
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| 91 |
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| 92 | PERCPU_SECTION(L1_CACHE_BYTES)
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| 93 |
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| 94 | . = ALIGN(PAGE_SIZE);
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| 95 | __init_begin = .;
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| 96 |
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| 97 | INIT_TEXT_SECTION(PAGE_SIZE)
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| 98 |
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| 99 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
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| 100 | INIT_DATA
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| 101 | }
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| 102 |
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| 103 | . = ALIGN(4);
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| 104 | .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
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| 105 | __ivt_start = .;
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| 106 | *(.init.ivt)
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| 107 | __ivt_end = .;
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| 108 | }
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| 109 |
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| 110 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
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| 111 | INIT_SETUP(0)
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| 112 | }
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| 113 |
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| 114 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
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| 115 | INIT_CALLS
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| 116 | }
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| 117 |
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| 118 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
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| 119 | CON_INITCALL
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| 120 | }
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| 121 |
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| 122 | __init_end_before_initramfs = .;
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| 123 |
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| 124 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
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| 125 | INIT_RAM_FS
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| 126 | }
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| 127 |
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| 128 | __init_end = .;
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| 129 |
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| 130 | .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
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| 131 | /* page aligned when MMU used */
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| 132 | __bss_start = . ;
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| 133 | *(.bss*)
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| 134 | *(COMMON)
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| 135 | . = ALIGN (4) ;
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| 136 | __bss_stop = . ;
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| 137 | }
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| 138 | . = ALIGN(PAGE_SIZE);
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| 139 | _end = .;
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| 140 |
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| 141 | DISCARDS
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| 142 | }
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