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f8c4a270 JB |
1 | /* |
2 | * OpenRISC vmlinux.lds.S | |
3 | * | |
4 | * Linux architectural port borrowing liberally from similar works of | |
5 | * others. All original copyrights apply as per the original source | |
6 | * declaration. | |
7 | * | |
8 | * Modifications for the OpenRISC architecture: | |
9 | * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> | |
10 | * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License | |
14 | * as published by the Free Software Foundation; either version | |
15 | * 2 of the License, or (at your option) any later version. | |
16 | * | |
17 | * ld script for OpenRISC architecture | |
18 | */ | |
19 | ||
20 | /* TODO | |
21 | * - clean up __offset & stuff | |
22 | * - change all 8192 aligment to PAGE !!! | |
23 | * - recheck if all aligments are really needed | |
24 | */ | |
25 | ||
26 | # define LOAD_OFFSET PAGE_OFFSET | |
27 | # define LOAD_BASE PAGE_OFFSET | |
28 | ||
29 | #include <asm/page.h> | |
30 | #include <asm/cache.h> | |
31 | #include <asm-generic/vmlinux.lds.h> | |
32 | ||
33 | OUTPUT_FORMAT("elf32-or32", "elf32-or32", "elf32-or32") | |
34 | jiffies = jiffies_64 + 4; | |
35 | ||
36 | SECTIONS | |
37 | { | |
38 | /* Read-only sections, merged into text segment: */ | |
39 | . = LOAD_BASE ; | |
40 | ||
41 | /* _s_kernel_ro must be page aligned */ | |
42 | . = ALIGN(PAGE_SIZE); | |
43 | _s_kernel_ro = .; | |
44 | ||
45 | .text : AT(ADDR(.text) - LOAD_OFFSET) | |
46 | { | |
47 | _stext = .; | |
48 | TEXT_TEXT | |
49 | SCHED_TEXT | |
50 | LOCK_TEXT | |
51 | KPROBES_TEXT | |
52 | IRQENTRY_TEXT | |
53 | *(.fixup) | |
54 | *(.text.__*) | |
55 | _etext = .; | |
56 | } | |
57 | /* TODO: Check if fixup and text.__* are really necessary | |
58 | * fixup is definitely necessary | |
59 | */ | |
60 | ||
61 | _sdata = .; | |
62 | ||
63 | /* Page alignment required for RO_DATA_SECTION */ | |
64 | RO_DATA_SECTION(PAGE_SIZE) | |
65 | _e_kernel_ro = .; | |
66 | ||
67 | /* Whatever comes after _e_kernel_ro had better be page-aligend, too */ | |
68 | ||
69 | /* 32 here is cacheline size... recheck this */ | |
70 | RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE) | |
71 | ||
72 | _edata = .; | |
73 | ||
74 | EXCEPTION_TABLE(4) | |
75 | NOTES | |
76 | ||
77 | /* Init code and data */ | |
78 | . = ALIGN(PAGE_SIZE); | |
79 | __init_begin = .; | |
80 | ||
81 | HEAD_TEXT_SECTION | |
82 | ||
83 | /* Page aligned */ | |
84 | INIT_TEXT_SECTION(PAGE_SIZE) | |
85 | ||
86 | /* Align __setup_start on 16 byte boundary */ | |
87 | INIT_DATA_SECTION(16) | |
88 | ||
89 | PERCPU_SECTION(L1_CACHE_BYTES) | |
90 | ||
91 | __init_end = .; | |
92 | ||
93 | . = ALIGN(PAGE_SIZE); | |
94 | .initrd : AT(ADDR(.initrd) - LOAD_OFFSET) | |
95 | { | |
96 | __initrd_start = .; | |
97 | *(.initrd) | |
98 | __initrd_end = .; | |
99 | FILL (0); | |
100 | . = ALIGN (PAGE_SIZE); | |
101 | } | |
102 | ||
103 | __vmlinux_end = .; /* last address of the physical file */ | |
104 | ||
105 | BSS_SECTION(0, 0, 0x20) | |
106 | ||
107 | _end = .; | |
108 | ||
109 | /* Throw in the debugging sections */ | |
110 | STABS_DEBUG | |
111 | DWARF_DEBUG | |
112 | ||
113 | /* Sections to be discarded -- must be last */ | |
114 | DISCARDS | |
115 | } |