1 /* SPDX-License-Identifier: GPL-2.0-or-later * !! 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* <<
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 */ <<
15 <<
16 /* TODO <<
17 * - clean up __offset & stuff <<
18 * - change all 8192 alignment to <<
19 * - recheck if all alignments ar <<
20 */ <<
21 2
22 # define LOAD_OFFSET PAGE_OFFSET !! 3 #define EMITS_PT_NOTE
23 # define LOAD_BASE PAGE_OFFSET !! 4 #define RO_EXCEPTION_TABLE_ALIGN 16
24 5
25 #include <asm/page.h> <<
26 #include <asm/cache.h> <<
27 #include <asm/thread_info.h> <<
28 #include <asm-generic/vmlinux.lds.h> 6 #include <asm-generic/vmlinux.lds.h>
>> 7 #include <asm/thread_info.h>
>> 8 #include <asm/cache.h>
>> 9 #include <asm/page.h>
>> 10 #include <asm/setup.h>
29 11
30 #ifdef __OR1K__ !! 12 OUTPUT_FORMAT("elf64-alpha")
31 #define __OUTPUT_FORMAT "elf32-or1k" !! 13 OUTPUT_ARCH(alpha)
32 #else !! 14 ENTRY(__start)
33 #define __OUTPUT_FORMAT "elf32-or32" !! 15 PHDRS { text PT_LOAD; note PT_NOTE; }
34 #endif !! 16 jiffies = jiffies_64;
35 <<
36 OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT <<
37 jiffies = jiffies_64 + 4; <<
38 <<
39 SECTIONS 17 SECTIONS
40 { 18 {
41 /* Read-only sections, merged into tex !! 19 #ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS
42 . = LOAD_BASE ; !! 20 . = 0xfffffc0000310000;
43 !! 21 #else
44 _text = .; !! 22 . = 0xfffffc0001010000;
45 !! 23 #endif
46 /* _s_kernel_ro must be page aligned * <<
47 . = ALIGN(PAGE_SIZE); <<
48 _s_kernel_ro = .; <<
49 <<
50 .text : AT(ADDR(.tex <<
51 { <<
52 _stext = .; <<
53 TEXT_TEXT <<
54 SCHED_TEXT <<
55 LOCK_TEXT <<
56 KPROBES_TEXT <<
57 IRQENTRY_TEXT <<
58 SOFTIRQENTRY_TEXT <<
59 *(.fixup) <<
60 *(.text.__*) <<
61 _etext = .; <<
62 } <<
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 <<
78 _edata = .; <<
79 <<
80 EXCEPTION_TABLE(4) <<
81 24
82 /* Init code and data */ !! 25 _text = .; /* Text and read-only data */
83 . = ALIGN(PAGE_SIZE); !! 26 .text : {
84 __init_begin = .; !! 27 HEAD_TEXT
>> 28 TEXT_TEXT
>> 29 SCHED_TEXT
>> 30 LOCK_TEXT
>> 31 *(.fixup)
>> 32 *(.gnu.warning)
>> 33 } :text
>> 34 swapper_pg_dir = SWAPPER_PGD;
>> 35 _etext = .; /* End of text section */
85 36
86 HEAD_TEXT_SECTION !! 37 RO_DATA(4096)
87 38
88 /* Page aligned */ !! 39 /* Will be freed after init */
>> 40 __init_begin = ALIGN(PAGE_SIZE);
89 INIT_TEXT_SECTION(PAGE_SIZE) 41 INIT_TEXT_SECTION(PAGE_SIZE)
90 <<
91 /* Align __setup_start on 16 byte boun <<
92 INIT_DATA_SECTION(16) 42 INIT_DATA_SECTION(16)
93 <<
94 PERCPU_SECTION(L1_CACHE_BYTES) 43 PERCPU_SECTION(L1_CACHE_BYTES)
>> 44 /* Align to THREAD_SIZE rather than PAGE_SIZE here so any padding page
>> 45 needed for the THREAD_SIZE aligned init_task gets freed after init */
>> 46 . = ALIGN(THREAD_SIZE);
>> 47 __init_end = .;
>> 48 /* Freed after init ends here */
>> 49
>> 50 _sdata = .; /* Start of rw data section */
>> 51 _data = .;
>> 52 RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
95 53
96 __init_end = .; !! 54 .got : {
>> 55 *(.got)
>> 56 }
>> 57 .sdata : {
>> 58 *(.sdata)
>> 59 }
>> 60 _edata = .; /* End of data section */
97 61
98 BSS_SECTION(0, 0, 0x20) !! 62 BSS_SECTION(0, 0, 0)
>> 63 _end = .;
99 64
100 _end = .; !! 65 .mdebug 0 : {
>> 66 *(.mdebug)
>> 67 }
>> 68 .note 0 : {
>> 69 *(.note)
>> 70 }
101 71
102 /* Throw in the debugging sections */ <<
103 STABS_DEBUG 72 STABS_DEBUG
104 DWARF_DEBUG 73 DWARF_DEBUG
105 ELF_DETAILS 74 ELF_DETAILS
106 75
107 /* Sections to be discarded -- must be <<
108 DISCARDS 76 DISCARDS
109 } 77 }
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