1 /* SPDX-License-Identifier: GPL-2.0-or-later * !! 1 /* ld script to make i386 Linux kernel
2 /* !! 2 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
3 * OpenRISC vmlinux.lds.S <<
4 * <<
5 * Linux architectural port borrowing liberall <<
6 * others. All original copyrights apply as p <<
7 * declaration. <<
8 * <<
9 * Modifications for the OpenRISC architecture <<
10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@ <<
11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@so <<
12 * <<
13 * ld script for OpenRISC architecture <<
14 */ 3 */
15 4
16 /* TODO <<
17 * - clean up __offset & stuff <<
18 * - change all 8192 alignment to <<
19 * - recheck if all alignments ar <<
20 */ <<
21 <<
22 # define LOAD_OFFSET PAGE_OFFSET <<
23 # define LOAD_BASE PAGE_OFFSET <<
24 <<
25 #include <asm/page.h> <<
26 #include <asm/cache.h> <<
27 #include <asm/thread_info.h> <<
28 #include <asm-generic/vmlinux.lds.h> 5 #include <asm-generic/vmlinux.lds.h>
29 !! 6
30 #ifdef __OR1K__ !! 7 OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
31 #define __OUTPUT_FORMAT "elf32-or1k" !! 8 OUTPUT_ARCH(i386)
32 #else !! 9 ENTRY(startup_32)
33 #define __OUTPUT_FORMAT "elf32-or32" !! 10 jiffies = jiffies_64;
34 #endif <<
35 <<
36 OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT <<
37 jiffies = jiffies_64 + 4; <<
38 <<
39 SECTIONS 11 SECTIONS
40 { 12 {
41 /* Read-only sections, merged into tex !! 13 . = 0xC0000000 + 0x100000;
42 . = LOAD_BASE ; !! 14 /* read-only */
43 !! 15 _text = .; /* Text and read-only data */
44 _text = .; !! 16 .text : {
45 !! 17 *(.text)
46 /* _s_kernel_ro must be page aligned * !! 18 *(.fixup)
47 . = ALIGN(PAGE_SIZE); !! 19 *(.gnu.warning)
48 _s_kernel_ro = .; !! 20 } = 0x9090
49 !! 21
50 .text : AT(ADDR(.tex !! 22 _etext = .; /* End of text section */
51 { !! 23
52 _stext = .; !! 24 . = ALIGN(16); /* Exception table */
53 TEXT_TEXT !! 25 __start___ex_table = .;
54 SCHED_TEXT !! 26 __ex_table : { *(__ex_table) }
55 LOCK_TEXT !! 27 __stop___ex_table = .;
56 KPROBES_TEXT !! 28
57 IRQENTRY_TEXT !! 29 RODATA
58 SOFTIRQENTRY_TEXT !! 30
59 *(.fixup) !! 31 /* writeable */
60 *(.text.__*) !! 32 .data : { /* Data */
61 _etext = .; !! 33 *(.data)
>> 34 CONSTRUCTORS
62 } 35 }
63 /* TODO: Check if fixup and text.__* a <<
64 * fixup is definitely necessary <<
65 */ <<
66 <<
67 _sdata = .; <<
68 <<
69 /* Page alignment required for RO_DATA <<
70 RO_DATA(PAGE_SIZE) <<
71 _e_kernel_ro = .; <<
72 <<
73 /* Whatever comes after _e_kernel_ro h <<
74 <<
75 /* 32 here is cacheline size... rechec <<
76 RW_DATA(32, PAGE_SIZE, PAGE_SIZE) <<
77 36
78 _edata = .; !! 37 . = ALIGN(4096);
79 !! 38 __nosave_begin = .;
80 EXCEPTION_TABLE(4) !! 39 .data_nosave : { *(.data.nosave) }
81 !! 40 . = ALIGN(4096);
82 /* Init code and data */ !! 41 __nosave_end = .;
83 . = ALIGN(PAGE_SIZE); !! 42
84 __init_begin = .; !! 43 . = ALIGN(4096);
85 !! 44 .data.page_aligned : { *(.data.idt) }
86 HEAD_TEXT_SECTION !! 45
87 !! 46 . = ALIGN(32);
88 /* Page aligned */ !! 47 .data.cacheline_aligned : { *(.data.cacheline_aligned) }
89 INIT_TEXT_SECTION(PAGE_SIZE) !! 48
90 !! 49 _edata = .; /* End of data section */
91 /* Align __setup_start on 16 byte boun !! 50
92 INIT_DATA_SECTION(16) !! 51 . = ALIGN(8192); /* init_task */
93 !! 52 .data.init_task : { *(.data.init_task) }
94 PERCPU_SECTION(L1_CACHE_BYTES) !! 53
95 !! 54 /* will be freed after init */
96 __init_end = .; !! 55 . = ALIGN(4096); /* Init code and data */
97 !! 56 __init_begin = .;
98 BSS_SECTION(0, 0, 0x20) !! 57 .init.text : {
99 !! 58 _sinittext = .;
100 _end = .; !! 59 *(.init.text)
101 !! 60 _einittext = .;
102 /* Throw in the debugging sections */ !! 61 }
103 STABS_DEBUG !! 62 .init.data : { *(.init.data) }
104 DWARF_DEBUG !! 63 . = ALIGN(16);
105 ELF_DETAILS !! 64 __setup_start = .;
>> 65 .init.setup : { *(.init.setup) }
>> 66 __setup_end = .;
>> 67 __start___param = .;
>> 68 __param : { *(__param) }
>> 69 __stop___param = .;
>> 70 __initcall_start = .;
>> 71 .initcall.init : {
>> 72 *(.initcall1.init)
>> 73 *(.initcall2.init)
>> 74 *(.initcall3.init)
>> 75 *(.initcall4.init)
>> 76 *(.initcall5.init)
>> 77 *(.initcall6.init)
>> 78 *(.initcall7.init)
>> 79 }
>> 80 __initcall_end = .;
>> 81 __con_initcall_start = .;
>> 82 .con_initcall.init : { *(.con_initcall.init) }
>> 83 __con_initcall_end = .;
>> 84 SECURITY_INIT
>> 85 . = ALIGN(4);
>> 86 __alt_instructions = .;
>> 87 .altinstructions : { *(.altinstructions) }
>> 88 __alt_instructions_end = .;
>> 89 .altinstr_replacement : { *(.altinstr_replacement) }
>> 90 /* .exit.text is discard at runtime, not link time, to deal with references
>> 91 from .altinstructions and .eh_frame */
>> 92 .exit.text : { *(.exit.text) }
>> 93 .exit.data : { *(.exit.data) }
>> 94 . = ALIGN(4096);
>> 95 __initramfs_start = .;
>> 96 .init.ramfs : { *(.init.ramfs) }
>> 97 __initramfs_end = .;
>> 98 . = ALIGN(32);
>> 99 __per_cpu_start = .;
>> 100 .data.percpu : { *(.data.percpu) }
>> 101 __per_cpu_end = .;
>> 102 . = ALIGN(4096);
>> 103 __init_end = .;
>> 104 /* freed after init ends here */
>> 105
>> 106 __bss_start = .; /* BSS */
>> 107 .bss : { *(.bss) }
>> 108 __bss_stop = .;
>> 109
>> 110 _end = . ;
>> 111
>> 112 /* Sections to be discarded */
>> 113 /DISCARD/ : {
>> 114 *(.exitcall.exit)
>> 115 }
106 116
107 /* Sections to be discarded -- must be !! 117 /* Stabs debugging sections. */
108 DISCARDS !! 118 .stab 0 : { *(.stab) }
>> 119 .stabstr 0 : { *(.stabstr) }
>> 120 .stab.excl 0 : { *(.stab.excl) }
>> 121 .stab.exclstr 0 : { *(.stab.exclstr) }
>> 122 .stab.index 0 : { *(.stab.index) }
>> 123 .stab.indexstr 0 : { *(.stab.indexstr) }
>> 124 .comment 0 : { *(.comment) }
109 } 125 }
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