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 CPUIDLE_TEXT
57 IRQENTRY_TEXT !! 54 LOCK_TEXT
58 SOFTIRQENTRY_TEXT !! 55 KPROBES_TEXT
59 *(.fixup) !! 56 IRQENTRY_TEXT
60 *(.text.__*) !! 57 SOFTIRQENTRY_TEXT
61 _etext = .; !! 58 *(.gnu.warning)
62 } !! 59 } = 0
63 /* TODO: Check if fixup and text.__* a !! 60 _etext = .;
64 * fixup is definitely necessary <<
65 */ <<
66 <<
67 _sdata = .; <<
68 61
69 /* Page alignment required for RO_DATA <<
70 RO_DATA(PAGE_SIZE) 62 RO_DATA(PAGE_SIZE)
71 _e_kernel_ro = .; <<
72 63
73 /* Whatever comes after _e_kernel_ro h !! 64 /* Start of data section */
>> 65 _sdata = .;
74 66
75 /* 32 here is cacheline size... rechec !! 67 .data1 : {
76 RW_DATA(32, PAGE_SIZE, PAGE_SIZE) !! 68 *(.data1)
>> 69 }
>> 70 RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
77 71
78 _edata = .; !! 72 /* End of data section */
>> 73 _edata = .;
79 74
80 EXCEPTION_TABLE(4) !! 75 .fixup : {
>> 76 __start___fixup = .;
>> 77 *(.fixup)
>> 78 __stop___fixup = .;
>> 79 }
>> 80 EXCEPTION_TABLE(16)
>> 81 NOTES
81 82
82 /* Init code and data */ <<
83 . = ALIGN(PAGE_SIZE); 83 . = ALIGN(PAGE_SIZE);
84 __init_begin = .; !! 84 __init_begin = ALIGN(PAGE_SIZE);
>> 85 INIT_TEXT_SECTION(PAGE_SIZE)
>> 86 __init_text_end = .;
>> 87 INIT_DATA_SECTION(16)
85 88
86 HEAD_TEXT_SECTION !! 89 . = ALIGN(4);
>> 90 .tsb_ldquad_phys_patch : {
>> 91 __tsb_ldquad_phys_patch = .;
>> 92 *(.tsb_ldquad_phys_patch)
>> 93 __tsb_ldquad_phys_patch_end = .;
>> 94 }
87 95
88 /* Page aligned */ !! 96 .tsb_phys_patch : {
89 INIT_TEXT_SECTION(PAGE_SIZE) !! 97 __tsb_phys_patch = .;
>> 98 *(.tsb_phys_patch)
>> 99 __tsb_phys_patch_end = .;
>> 100 }
90 101
91 /* Align __setup_start on 16 byte boun !! 102 .cpuid_patch : {
92 INIT_DATA_SECTION(16) !! 103 __cpuid_patch = .;
>> 104 *(.cpuid_patch)
>> 105 __cpuid_patch_end = .;
>> 106 }
93 107
94 PERCPU_SECTION(L1_CACHE_BYTES) !! 108 .sun4v_1insn_patch : {
>> 109 __sun4v_1insn_patch = .;
>> 110 *(.sun4v_1insn_patch)
>> 111 __sun4v_1insn_patch_end = .;
>> 112 }
>> 113 .sun4v_2insn_patch : {
>> 114 __sun4v_2insn_patch = .;
>> 115 *(.sun4v_2insn_patch)
>> 116 __sun4v_2insn_patch_end = .;
>> 117 }
>> 118 .leon_1insn_patch : {
>> 119 __leon_1insn_patch = .;
>> 120 *(.leon_1insn_patch)
>> 121 __leon_1insn_patch_end = .;
>> 122 }
>> 123 .swapper_tsb_phys_patch : {
>> 124 __swapper_tsb_phys_patch = .;
>> 125 *(.swapper_tsb_phys_patch)
>> 126 __swapper_tsb_phys_patch_end = .;
>> 127 }
>> 128 .swapper_4m_tsb_phys_patch : {
>> 129 __swapper_4m_tsb_phys_patch = .;
>> 130 *(.swapper_4m_tsb_phys_patch)
>> 131 __swapper_4m_tsb_phys_patch_end = .;
>> 132 }
>> 133 .popc_3insn_patch : {
>> 134 __popc_3insn_patch = .;
>> 135 *(.popc_3insn_patch)
>> 136 __popc_3insn_patch_end = .;
>> 137 }
>> 138 .popc_6insn_patch : {
>> 139 __popc_6insn_patch = .;
>> 140 *(.popc_6insn_patch)
>> 141 __popc_6insn_patch_end = .;
>> 142 }
>> 143 .pause_3insn_patch : {
>> 144 __pause_3insn_patch = .;
>> 145 *(.pause_3insn_patch)
>> 146 __pause_3insn_patch_end = .;
>> 147 }
>> 148 .sun_m7_2insn_patch : {
>> 149 __sun_m7_2insn_patch = .;
>> 150 *(.sun_m7_2insn_patch)
>> 151 __sun_m7_2insn_patch_end = .;
>> 152 }
>> 153 .get_tick_patch : {
>> 154 __get_tick_patch = .;
>> 155 *(.get_tick_patch)
>> 156 __get_tick_patch_end = .;
>> 157 }
>> 158 .pud_huge_patch : {
>> 159 __pud_huge_patch = .;
>> 160 *(.pud_huge_patch)
>> 161 __pud_huge_patch_end = .;
>> 162 }
>> 163 .fast_win_ctrl_1insn_patch : {
>> 164 __fast_win_ctrl_1insn_patch = .;
>> 165 *(.fast_win_ctrl_1insn_patch)
>> 166 __fast_win_ctrl_1insn_patch_end = .;
>> 167 }
>> 168 PERCPU_SECTION(SMP_CACHE_BYTES)
95 169
96 __init_end = .; !! 170 . = ALIGN(PAGE_SIZE);
>> 171 .exit.text : {
>> 172 EXIT_TEXT
>> 173 }
97 174
98 BSS_SECTION(0, 0, 0x20) !! 175 .exit.data : {
>> 176 EXIT_DATA
>> 177 }
99 178
100 _end = .; !! 179 . = ALIGN(PAGE_SIZE);
>> 180 __init_end = .;
>> 181 BSS_SECTION(0, 0, 0)
>> 182 _end = . ;
101 183
102 /* Throw in the debugging sections */ <<
103 STABS_DEBUG 184 STABS_DEBUG
104 DWARF_DEBUG 185 DWARF_DEBUG
105 ELF_DETAILS <<
106 186
107 /* Sections to be discarded -- must be <<
108 DISCARDS 187 DISCARDS
109 } 188 }
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