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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 | |
be7635e7 | 53 | SOFTIRQENTRY_TEXT |
f8c4a270 JB |
54 | *(.fixup) |
55 | *(.text.__*) | |
56 | _etext = .; | |
57 | } | |
58 | /* TODO: Check if fixup and text.__* are really necessary | |
59 | * fixup is definitely necessary | |
60 | */ | |
61 | ||
62 | _sdata = .; | |
63 | ||
64 | /* Page alignment required for RO_DATA_SECTION */ | |
65 | RO_DATA_SECTION(PAGE_SIZE) | |
66 | _e_kernel_ro = .; | |
67 | ||
68 | /* Whatever comes after _e_kernel_ro had better be page-aligend, too */ | |
69 | ||
70 | /* 32 here is cacheline size... recheck this */ | |
71 | RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE) | |
72 | ||
73 | _edata = .; | |
74 | ||
75 | EXCEPTION_TABLE(4) | |
76 | NOTES | |
77 | ||
78 | /* Init code and data */ | |
79 | . = ALIGN(PAGE_SIZE); | |
80 | __init_begin = .; | |
81 | ||
82 | HEAD_TEXT_SECTION | |
83 | ||
84 | /* Page aligned */ | |
85 | INIT_TEXT_SECTION(PAGE_SIZE) | |
86 | ||
87 | /* Align __setup_start on 16 byte boundary */ | |
88 | INIT_DATA_SECTION(16) | |
89 | ||
90 | PERCPU_SECTION(L1_CACHE_BYTES) | |
91 | ||
92 | __init_end = .; | |
93 | ||
94 | . = ALIGN(PAGE_SIZE); | |
95 | .initrd : AT(ADDR(.initrd) - LOAD_OFFSET) | |
96 | { | |
97 | __initrd_start = .; | |
98 | *(.initrd) | |
99 | __initrd_end = .; | |
100 | FILL (0); | |
101 | . = ALIGN (PAGE_SIZE); | |
102 | } | |
103 | ||
104 | __vmlinux_end = .; /* last address of the physical file */ | |
105 | ||
106 | BSS_SECTION(0, 0, 0x20) | |
107 | ||
108 | _end = .; | |
109 | ||
110 | /* Throw in the debugging sections */ | |
111 | STABS_DEBUG | |
112 | DWARF_DEBUG | |
113 | ||
114 | /* Sections to be discarded -- must be last */ | |
115 | DISCARDS | |
116 | } |