1 /* SPDX-License-Identifier: GPL-2.0-or-later * !! 1 /* ld script for sparc32/sparc64 kernel */
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 #include <asm-generic/vmlinux.lds.h>
23 # define LOAD_BASE PAGE_OFFSET <<
24 4
25 #include <asm/page.h> 5 #include <asm/page.h>
26 #include <asm/cache.h> <<
27 #include <asm/thread_info.h> 6 #include <asm/thread_info.h>
28 #include <asm-generic/vmlinux.lds.h> <<
29 7
30 #ifdef __OR1K__ !! 8 #ifdef CONFIG_SPARC32
31 #define __OUTPUT_FORMAT "elf32-or1k" !! 9 #define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
>> 10 #define TEXTSTART 0xf0004000
>> 11
>> 12 #define SMP_CACHE_BYTES_SHIFT 5
>> 13
32 #else 14 #else
33 #define __OUTPUT_FORMAT "elf32-or32" !! 15 #define SMP_CACHE_BYTES_SHIFT 6
>> 16 #define INITIAL_ADDRESS 0x4000
>> 17 #define TEXTSTART 0x0000000000404000
>> 18
34 #endif 19 #endif
35 20
36 OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT !! 21 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
>> 22
>> 23 #ifdef CONFIG_SPARC32
>> 24 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
>> 25 OUTPUT_ARCH(sparc)
>> 26 ENTRY(_start)
37 jiffies = jiffies_64 + 4; 27 jiffies = jiffies_64 + 4;
>> 28 #else
>> 29 /* sparc64 */
>> 30 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
>> 31 OUTPUT_ARCH(sparc:v9a)
>> 32 ENTRY(_start)
>> 33 jiffies = jiffies_64;
>> 34 #endif
>> 35
>> 36 #ifdef CONFIG_SPARC64
>> 37 ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
>> 38 #endif
38 39
39 SECTIONS 40 SECTIONS
40 { 41 {
41 /* Read-only sections, merged into tex !! 42 #ifdef CONFIG_SPARC64
42 . = LOAD_BASE ; !! 43 swapper_pg_dir = 0x0000000000402000;
43 !! 44 #endif
44 _text = .; !! 45 . = INITIAL_ADDRESS;
45 !! 46 .text TEXTSTART :
46 /* _s_kernel_ro must be page aligned * <<
47 . = ALIGN(PAGE_SIZE); <<
48 _s_kernel_ro = .; <<
49 <<
50 .text : AT(ADDR(.tex <<
51 { 47 {
52 _stext = .; !! 48 _text = .;
53 TEXT_TEXT !! 49 HEAD_TEXT
54 SCHED_TEXT !! 50 TEXT_TEXT
55 LOCK_TEXT !! 51 SCHED_TEXT
56 KPROBES_TEXT !! 52 CPUIDLE_TEXT
57 IRQENTRY_TEXT !! 53 LOCK_TEXT
58 SOFTIRQENTRY_TEXT !! 54 KPROBES_TEXT
59 *(.fixup) !! 55 IRQENTRY_TEXT
60 *(.text.__*) !! 56 SOFTIRQENTRY_TEXT
61 _etext = .; !! 57 *(.gnu.warning)
62 } !! 58 } = 0
63 /* TODO: Check if fixup and text.__* a !! 59 _etext = .;
64 * fixup is definitely necessary <<
65 */ <<
66 <<
67 _sdata = .; <<
68 60
69 /* Page alignment required for RO_DATA <<
70 RO_DATA(PAGE_SIZE) 61 RO_DATA(PAGE_SIZE)
71 _e_kernel_ro = .; <<
72 62
73 /* Whatever comes after _e_kernel_ro h !! 63 /* Start of data section */
>> 64 _sdata = .;
74 65
75 /* 32 here is cacheline size... rechec !! 66 .data1 : {
76 RW_DATA(32, PAGE_SIZE, PAGE_SIZE) !! 67 *(.data1)
>> 68 }
>> 69 RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
77 70
78 _edata = .; !! 71 /* End of data section */
>> 72 _edata = .;
79 73
80 EXCEPTION_TABLE(4) !! 74 .fixup : {
>> 75 __start___fixup = .;
>> 76 *(.fixup)
>> 77 __stop___fixup = .;
>> 78 }
>> 79 EXCEPTION_TABLE(16)
>> 80 NOTES
81 81
82 /* Init code and data */ <<
83 . = ALIGN(PAGE_SIZE); 82 . = ALIGN(PAGE_SIZE);
84 __init_begin = .; !! 83 __init_begin = ALIGN(PAGE_SIZE);
85 <<
86 HEAD_TEXT_SECTION <<
87 <<
88 /* Page aligned */ <<
89 INIT_TEXT_SECTION(PAGE_SIZE) 84 INIT_TEXT_SECTION(PAGE_SIZE)
90 !! 85 __init_text_end = .;
91 /* Align __setup_start on 16 byte boun <<
92 INIT_DATA_SECTION(16) 86 INIT_DATA_SECTION(16)
93 87
94 PERCPU_SECTION(L1_CACHE_BYTES) !! 88 . = ALIGN(4);
>> 89 .tsb_ldquad_phys_patch : {
>> 90 __tsb_ldquad_phys_patch = .;
>> 91 *(.tsb_ldquad_phys_patch)
>> 92 __tsb_ldquad_phys_patch_end = .;
>> 93 }
95 94
96 __init_end = .; !! 95 .tsb_phys_patch : {
>> 96 __tsb_phys_patch = .;
>> 97 *(.tsb_phys_patch)
>> 98 __tsb_phys_patch_end = .;
>> 99 }
97 100
98 BSS_SECTION(0, 0, 0x20) !! 101 .cpuid_patch : {
>> 102 __cpuid_patch = .;
>> 103 *(.cpuid_patch)
>> 104 __cpuid_patch_end = .;
>> 105 }
99 106
100 _end = .; !! 107 .sun4v_1insn_patch : {
>> 108 __sun4v_1insn_patch = .;
>> 109 *(.sun4v_1insn_patch)
>> 110 __sun4v_1insn_patch_end = .;
>> 111 }
>> 112 .sun4v_2insn_patch : {
>> 113 __sun4v_2insn_patch = .;
>> 114 *(.sun4v_2insn_patch)
>> 115 __sun4v_2insn_patch_end = .;
>> 116 }
>> 117 .leon_1insn_patch : {
>> 118 __leon_1insn_patch = .;
>> 119 *(.leon_1insn_patch)
>> 120 __leon_1insn_patch_end = .;
>> 121 }
>> 122 .swapper_tsb_phys_patch : {
>> 123 __swapper_tsb_phys_patch = .;
>> 124 *(.swapper_tsb_phys_patch)
>> 125 __swapper_tsb_phys_patch_end = .;
>> 126 }
>> 127 .swapper_4m_tsb_phys_patch : {
>> 128 __swapper_4m_tsb_phys_patch = .;
>> 129 *(.swapper_4m_tsb_phys_patch)
>> 130 __swapper_4m_tsb_phys_patch_end = .;
>> 131 }
>> 132 .popc_3insn_patch : {
>> 133 __popc_3insn_patch = .;
>> 134 *(.popc_3insn_patch)
>> 135 __popc_3insn_patch_end = .;
>> 136 }
>> 137 .popc_6insn_patch : {
>> 138 __popc_6insn_patch = .;
>> 139 *(.popc_6insn_patch)
>> 140 __popc_6insn_patch_end = .;
>> 141 }
>> 142 .pause_3insn_patch : {
>> 143 __pause_3insn_patch = .;
>> 144 *(.pause_3insn_patch)
>> 145 __pause_3insn_patch_end = .;
>> 146 }
>> 147 .sun_m7_2insn_patch : {
>> 148 __sun_m7_2insn_patch = .;
>> 149 *(.sun_m7_2insn_patch)
>> 150 __sun_m7_2insn_patch_end = .;
>> 151 }
>> 152 .get_tick_patch : {
>> 153 __get_tick_patch = .;
>> 154 *(.get_tick_patch)
>> 155 __get_tick_patch_end = .;
>> 156 }
>> 157 PERCPU_SECTION(SMP_CACHE_BYTES)
>> 158
>> 159 #ifdef CONFIG_JUMP_LABEL
>> 160 . = ALIGN(PAGE_SIZE);
>> 161 .exit.text : {
>> 162 EXIT_TEXT
>> 163 }
>> 164 #endif
>> 165
>> 166 . = ALIGN(PAGE_SIZE);
>> 167 __init_end = .;
>> 168 BSS_SECTION(0, 0, 0)
>> 169 _end = . ;
101 170
102 /* Throw in the debugging sections */ <<
103 STABS_DEBUG 171 STABS_DEBUG
104 DWARF_DEBUG 172 DWARF_DEBUG
105 ELF_DETAILS <<
106 173
107 /* Sections to be discarded -- must be <<
108 DISCARDS 174 DISCARDS
109 } 175 }
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