1 /* SPDX-License-Identifier: GPL-2.0-or-later * !! 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* !! 2 /* ld script for sparc32/sparc64 kernel */
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 3
22 # define LOAD_OFFSET PAGE_OFFSET !! 4 #include <asm-generic/vmlinux.lds.h>
23 # define LOAD_BASE PAGE_OFFSET <<
24 5
25 #include <asm/page.h> 6 #include <asm/page.h>
26 #include <asm/cache.h> <<
27 #include <asm/thread_info.h> 7 #include <asm/thread_info.h>
28 #include <asm-generic/vmlinux.lds.h> <<
29 8
30 #ifdef __OR1K__ !! 9 #ifdef CONFIG_SPARC32
31 #define __OUTPUT_FORMAT "elf32-or1k" !! 10 #define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
>> 11 #define TEXTSTART 0xf0004000
>> 12
>> 13 #define SMP_CACHE_BYTES_SHIFT 5
>> 14
32 #else 15 #else
33 #define __OUTPUT_FORMAT "elf32-or32" !! 16 #define SMP_CACHE_BYTES_SHIFT 6
>> 17 #define INITIAL_ADDRESS 0x4000
>> 18 #define TEXTSTART 0x0000000000404000
>> 19
34 #endif 20 #endif
35 21
36 OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT !! 22 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
>> 23
>> 24 #ifdef CONFIG_SPARC32
>> 25 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
>> 26 OUTPUT_ARCH(sparc)
>> 27 ENTRY(_start)
37 jiffies = jiffies_64 + 4; 28 jiffies = jiffies_64 + 4;
>> 29 #else
>> 30 /* sparc64 */
>> 31 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
>> 32 OUTPUT_ARCH(sparc:v9a)
>> 33 ENTRY(_start)
>> 34 jiffies = jiffies_64;
>> 35 #endif
>> 36
>> 37 #ifdef CONFIG_SPARC64
>> 38 ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
>> 39 #endif
38 40
39 SECTIONS 41 SECTIONS
40 { 42 {
41 /* Read-only sections, merged into tex !! 43 #ifdef CONFIG_SPARC64
42 . = LOAD_BASE ; !! 44 swapper_pg_dir = 0x0000000000402000;
43 !! 45 #endif
44 _text = .; !! 46 . = INITIAL_ADDRESS;
45 !! 47 .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 { 48 {
52 _stext = .; !! 49 _text = .;
53 TEXT_TEXT !! 50 HEAD_TEXT
54 SCHED_TEXT !! 51 TEXT_TEXT
55 LOCK_TEXT !! 52 SCHED_TEXT
56 KPROBES_TEXT !! 53 LOCK_TEXT
57 IRQENTRY_TEXT !! 54 KPROBES_TEXT
58 SOFTIRQENTRY_TEXT !! 55 IRQENTRY_TEXT
59 *(.fixup) !! 56 SOFTIRQENTRY_TEXT
60 *(.text.__*) !! 57 *(.gnu.warning)
61 _etext = .; !! 58 } = 0
62 } !! 59 _etext = .;
63 /* TODO: Check if fixup and text.__* a <<
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(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)
81 80
82 /* Init code and data */ <<
83 . = ALIGN(PAGE_SIZE); 81 . = ALIGN(PAGE_SIZE);
84 __init_begin = .; !! 82 __init_begin = ALIGN(PAGE_SIZE);
>> 83 INIT_TEXT_SECTION(PAGE_SIZE)
>> 84 __init_text_end = .;
>> 85 INIT_DATA_SECTION(16)
85 86
86 HEAD_TEXT_SECTION !! 87 . = ALIGN(4);
>> 88 .tsb_ldquad_phys_patch : {
>> 89 __tsb_ldquad_phys_patch = .;
>> 90 *(.tsb_ldquad_phys_patch)
>> 91 __tsb_ldquad_phys_patch_end = .;
>> 92 }
87 93
88 /* Page aligned */ !! 94 .tsb_phys_patch : {
89 INIT_TEXT_SECTION(PAGE_SIZE) !! 95 __tsb_phys_patch = .;
>> 96 *(.tsb_phys_patch)
>> 97 __tsb_phys_patch_end = .;
>> 98 }
90 99
91 /* Align __setup_start on 16 byte boun !! 100 .cpuid_patch : {
92 INIT_DATA_SECTION(16) !! 101 __cpuid_patch = .;
>> 102 *(.cpuid_patch)
>> 103 __cpuid_patch_end = .;
>> 104 }
93 105
94 PERCPU_SECTION(L1_CACHE_BYTES) !! 106 .sun4v_1insn_patch : {
>> 107 __sun4v_1insn_patch = .;
>> 108 *(.sun4v_1insn_patch)
>> 109 __sun4v_1insn_patch_end = .;
>> 110 }
>> 111 .sun4v_2insn_patch : {
>> 112 __sun4v_2insn_patch = .;
>> 113 *(.sun4v_2insn_patch)
>> 114 __sun4v_2insn_patch_end = .;
>> 115 }
>> 116 .leon_1insn_patch : {
>> 117 __leon_1insn_patch = .;
>> 118 *(.leon_1insn_patch)
>> 119 __leon_1insn_patch_end = .;
>> 120 }
>> 121 .swapper_tsb_phys_patch : {
>> 122 __swapper_tsb_phys_patch = .;
>> 123 *(.swapper_tsb_phys_patch)
>> 124 __swapper_tsb_phys_patch_end = .;
>> 125 }
>> 126 .swapper_4m_tsb_phys_patch : {
>> 127 __swapper_4m_tsb_phys_patch = .;
>> 128 *(.swapper_4m_tsb_phys_patch)
>> 129 __swapper_4m_tsb_phys_patch_end = .;
>> 130 }
>> 131 .popc_3insn_patch : {
>> 132 __popc_3insn_patch = .;
>> 133 *(.popc_3insn_patch)
>> 134 __popc_3insn_patch_end = .;
>> 135 }
>> 136 .popc_6insn_patch : {
>> 137 __popc_6insn_patch = .;
>> 138 *(.popc_6insn_patch)
>> 139 __popc_6insn_patch_end = .;
>> 140 }
>> 141 .pause_3insn_patch : {
>> 142 __pause_3insn_patch = .;
>> 143 *(.pause_3insn_patch)
>> 144 __pause_3insn_patch_end = .;
>> 145 }
>> 146 .sun_m7_1insn_patch : {
>> 147 __sun_m7_1insn_patch = .;
>> 148 *(.sun_m7_1insn_patch)
>> 149 __sun_m7_1insn_patch_end = .;
>> 150 }
>> 151 .sun_m7_2insn_patch : {
>> 152 __sun_m7_2insn_patch = .;
>> 153 *(.sun_m7_2insn_patch)
>> 154 __sun_m7_2insn_patch_end = .;
>> 155 }
>> 156 .get_tick_patch : {
>> 157 __get_tick_patch = .;
>> 158 *(.get_tick_patch)
>> 159 __get_tick_patch_end = .;
>> 160 }
>> 161 .pud_huge_patch : {
>> 162 __pud_huge_patch = .;
>> 163 *(.pud_huge_patch)
>> 164 __pud_huge_patch_end = .;
>> 165 }
>> 166 .fast_win_ctrl_1insn_patch : {
>> 167 __fast_win_ctrl_1insn_patch = .;
>> 168 *(.fast_win_ctrl_1insn_patch)
>> 169 __fast_win_ctrl_1insn_patch_end = .;
>> 170 }
>> 171 PERCPU_SECTION(SMP_CACHE_BYTES)
95 172
96 __init_end = .; !! 173 . = ALIGN(PAGE_SIZE);
>> 174 .exit.text : {
>> 175 EXIT_TEXT
>> 176 }
97 177
98 BSS_SECTION(0, 0, 0x20) !! 178 .exit.data : {
>> 179 EXIT_DATA
>> 180 }
99 181
100 _end = .; !! 182 . = ALIGN(PAGE_SIZE);
>> 183 __init_end = .;
>> 184 BSS_SECTION(0, 0, 0)
>> 185 _end = . ;
101 186
102 /* Throw in the debugging sections */ <<
103 STABS_DEBUG 187 STABS_DEBUG
104 DWARF_DEBUG 188 DWARF_DEBUG
105 ELF_DETAILS 189 ELF_DETAILS
106 190
107 /* Sections to be discarded -- must be <<
108 DISCARDS 191 DISCARDS
109 } 192 }
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