| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> |
| 3 | * Copyright (C) 2008-2009 PetaLogix |
| 4 | * Copyright (C) 2006 Atmark Techno, Inc. |
| 5 | * |
| 6 | * This file is subject to the terms and conditions of the GNU General Public |
| 7 | * License. See the file "COPYING" in the main directory of this archive |
| 8 | * for more details. |
| 9 | */ |
| 10 | |
| 11 | OUTPUT_ARCH(microblaze) |
| 12 | ENTRY(microblaze_start) |
| 13 | |
| 14 | #include <asm/page.h> |
| 15 | #include <asm-generic/vmlinux.lds.h> |
| 16 | #include <asm/thread_info.h> |
| 17 | |
| 18 | #ifdef __MICROBLAZEEL__ |
| 19 | jiffies = jiffies_64; |
| 20 | #else |
| 21 | jiffies = jiffies_64 + 4; |
| 22 | #endif |
| 23 | |
| 24 | SECTIONS { |
| 25 | . = CONFIG_KERNEL_START; |
| 26 | microblaze_start = CONFIG_KERNEL_BASE_ADDR; |
| 27 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
| 28 | _text = . ; |
| 29 | _stext = . ; |
| 30 | HEAD_TEXT |
| 31 | TEXT_TEXT |
| 32 | *(.fixup) |
| 33 | EXIT_TEXT |
| 34 | EXIT_CALL |
| 35 | SCHED_TEXT |
| 36 | CPUIDLE_TEXT |
| 37 | LOCK_TEXT |
| 38 | KPROBES_TEXT |
| 39 | IRQENTRY_TEXT |
| 40 | SOFTIRQENTRY_TEXT |
| 41 | . = ALIGN (4) ; |
| 42 | _etext = . ; |
| 43 | } |
| 44 | |
| 45 | . = ALIGN (4) ; |
| 46 | __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) { |
| 47 | _fdt_start = . ; /* place for fdt blob */ |
| 48 | *(__fdt_blob) ; /* Any link-placed DTB */ |
| 49 | . = _fdt_start + 0x8000; /* Pad up to 32kbyte */ |
| 50 | _fdt_end = . ; |
| 51 | } |
| 52 | |
| 53 | . = ALIGN(16); |
| 54 | RODATA |
| 55 | EXCEPTION_TABLE(16) |
| 56 | NOTES |
| 57 | |
| 58 | /* |
| 59 | * sdata2 section can go anywhere, but must be word aligned |
| 60 | * and SDA2_BASE must point to the middle of it |
| 61 | */ |
| 62 | .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { |
| 63 | _ssrw = .; |
| 64 | . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */ |
| 65 | *(.sdata2) |
| 66 | . = ALIGN(8); |
| 67 | _essrw = .; |
| 68 | _ssrw_size = _essrw - _ssrw; |
| 69 | _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2); |
| 70 | } |
| 71 | |
| 72 | _sdata = . ; |
| 73 | RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) |
| 74 | _edata = . ; |
| 75 | |
| 76 | /* Under the microblaze ABI, .sdata and .sbss must be contiguous */ |
| 77 | . = ALIGN(8); |
| 78 | .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) { |
| 79 | _ssro = .; |
| 80 | *(.sdata) |
| 81 | } |
| 82 | |
| 83 | .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { |
| 84 | _ssbss = .; |
| 85 | *(.sbss) |
| 86 | _esbss = .; |
| 87 | _essro = .; |
| 88 | _ssro_size = _essro - _ssro ; |
| 89 | _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ; |
| 90 | } |
| 91 | |
| 92 | . = ALIGN(PAGE_SIZE); |
| 93 | __init_begin = .; |
| 94 | |
| 95 | INIT_TEXT_SECTION(PAGE_SIZE) |
| 96 | |
| 97 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { |
| 98 | INIT_DATA |
| 99 | } |
| 100 | |
| 101 | . = ALIGN(4); |
| 102 | .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) { |
| 103 | __ivt_start = .; |
| 104 | *(.init.ivt) |
| 105 | __ivt_end = .; |
| 106 | } |
| 107 | |
| 108 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { |
| 109 | INIT_SETUP(0) |
| 110 | } |
| 111 | |
| 112 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) { |
| 113 | INIT_CALLS |
| 114 | } |
| 115 | |
| 116 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { |
| 117 | CON_INITCALL |
| 118 | } |
| 119 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 120 | __init_end_before_initramfs = .; |
| 121 | |
| 122 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { |
| 123 | INIT_RAM_FS |
| 124 | } |
| 125 | |
| 126 | __init_end = .; |
| 127 | |
| 128 | .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) { |
| 129 | /* page aligned when MMU used */ |
| 130 | __bss_start = . ; |
| 131 | *(.bss*) |
| 132 | *(COMMON) |
| 133 | . = ALIGN (4) ; |
| 134 | __bss_stop = . ; |
| 135 | } |
| 136 | . = ALIGN(PAGE_SIZE); |
| 137 | _end = .; |
| 138 | |
| 139 | DISCARDS |
| 140 | } |