1 /* SPDX-License-Identifier: GPL-2.0-only */ !! 1 /* ld script for sparc32/sparc64 kernel */
2 /* <<
3 * Linker script for Hexagon kernel <<
4 * <<
5 * Copyright (c) 2010-2014, The Linux Foundati <<
6 */ <<
7 2
8 #include <asm-generic/vmlinux.lds.h> 3 #include <asm-generic/vmlinux.lds.h>
9 #include <asm/asm-offsets.h> /* Most of th <<
10 #include <asm/mem-layout.h> /* except for <<
11 #include <asm/cache.h> /* and now we <<
12 #include <asm/thread_info.h> /* and we nee <<
13 4
14 OUTPUT_ARCH(hexagon) !! 5 #include <asm/page.h>
15 ENTRY(stext) !! 6 #include <asm/thread_info.h>
16 7
>> 8 #ifdef CONFIG_SPARC32
>> 9 #define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
>> 10 #define TEXTSTART 0xf0004000
>> 11
>> 12 #define SMP_CACHE_BYTES_SHIFT 5
>> 13
>> 14 #else
>> 15 #define SMP_CACHE_BYTES_SHIFT 6
>> 16 #define INITIAL_ADDRESS 0x4000
>> 17 #define TEXTSTART 0x0000000000404000
>> 18
>> 19 #endif
>> 20
>> 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)
>> 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)
17 jiffies = jiffies_64; 33 jiffies = jiffies_64;
18 !! 34 #endif
19 /* <<
20 See asm-generic/vmlinux.lds.h for expansion of <<
21 See asm-generic/sections.h for seemingly requi <<
22 */ <<
23 <<
24 #define PAGE_SIZE _PAGE_SIZE <<
25 35
26 SECTIONS 36 SECTIONS
27 { 37 {
28 . = PAGE_OFFSET; !! 38 /* swapper_low_pmd_dir is sparc64 only */
29 !! 39 swapper_low_pmd_dir = 0x0000000000402000;
30 __init_begin = .; !! 40 . = INITIAL_ADDRESS;
31 HEAD_TEXT_SECTION !! 41 .text TEXTSTART :
32 INIT_TEXT_SECTION(PAGE_SIZE) !! 42 {
33 PERCPU_SECTION(L1_CACHE_BYTES) <<
34 __init_end = .; <<
35 <<
36 . = ALIGN(_PAGE_SIZE); <<
37 _stext = .; <<
38 .text : AT(ADDR(.text)) { <<
39 _text = .; 43 _text = .;
>> 44 HEAD_TEXT
40 TEXT_TEXT 45 TEXT_TEXT
41 IRQENTRY_TEXT <<
42 SOFTIRQENTRY_TEXT <<
43 SCHED_TEXT 46 SCHED_TEXT
44 LOCK_TEXT 47 LOCK_TEXT
45 KPROBES_TEXT 48 KPROBES_TEXT
46 *(.fixup) !! 49 IRQENTRY_TEXT
47 } !! 50 *(.gnu.warning)
>> 51 } = 0
48 _etext = .; 52 _etext = .;
49 53
50 INIT_DATA_SECTION(PAGE_SIZE) !! 54 RO_DATA(PAGE_SIZE)
51 55
>> 56 /* Start of data section */
52 _sdata = .; 57 _sdata = .;
53 RW_DATA(32,PAGE_SIZE,_THREAD_S !! 58
54 RO_DATA(PAGE_SIZE) !! 59 .data1 : {
>> 60 *(.data1)
>> 61 }
>> 62 RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
>> 63
>> 64 /* End of data section */
55 _edata = .; 65 _edata = .;
56 66
>> 67 .fixup : {
>> 68 __start___fixup = .;
>> 69 *(.fixup)
>> 70 __stop___fixup = .;
>> 71 }
57 EXCEPTION_TABLE(16) 72 EXCEPTION_TABLE(16)
>> 73 NOTES
>> 74
>> 75 . = ALIGN(PAGE_SIZE);
>> 76 __init_begin = ALIGN(PAGE_SIZE);
>> 77 INIT_TEXT_SECTION(PAGE_SIZE)
>> 78 __init_text_end = .;
>> 79 INIT_DATA_SECTION(16)
>> 80
>> 81 . = ALIGN(4);
>> 82 .tsb_ldquad_phys_patch : {
>> 83 __tsb_ldquad_phys_patch = .;
>> 84 *(.tsb_ldquad_phys_patch)
>> 85 __tsb_ldquad_phys_patch_end = .;
>> 86 }
>> 87
>> 88 .tsb_phys_patch : {
>> 89 __tsb_phys_patch = .;
>> 90 *(.tsb_phys_patch)
>> 91 __tsb_phys_patch_end = .;
>> 92 }
>> 93
>> 94 .cpuid_patch : {
>> 95 __cpuid_patch = .;
>> 96 *(.cpuid_patch)
>> 97 __cpuid_patch_end = .;
>> 98 }
58 99
59 BSS_SECTION(_PAGE_SIZE, _PAGE_SIZE, _P !! 100 .sun4v_1insn_patch : {
>> 101 __sun4v_1insn_patch = .;
>> 102 *(.sun4v_1insn_patch)
>> 103 __sun4v_1insn_patch_end = .;
>> 104 }
>> 105 .sun4v_2insn_patch : {
>> 106 __sun4v_2insn_patch = .;
>> 107 *(.sun4v_2insn_patch)
>> 108 __sun4v_2insn_patch_end = .;
>> 109 }
>> 110 .leon_1insn_patch : {
>> 111 __leon_1insn_patch = .;
>> 112 *(.leon_1insn_patch)
>> 113 __leon_1insn_patch_end = .;
>> 114 }
>> 115 .swapper_tsb_phys_patch : {
>> 116 __swapper_tsb_phys_patch = .;
>> 117 *(.swapper_tsb_phys_patch)
>> 118 __swapper_tsb_phys_patch_end = .;
>> 119 }
>> 120 .swapper_4m_tsb_phys_patch : {
>> 121 __swapper_4m_tsb_phys_patch = .;
>> 122 *(.swapper_4m_tsb_phys_patch)
>> 123 __swapper_4m_tsb_phys_patch_end = .;
>> 124 }
>> 125 .popc_3insn_patch : {
>> 126 __popc_3insn_patch = .;
>> 127 *(.popc_3insn_patch)
>> 128 __popc_3insn_patch_end = .;
>> 129 }
>> 130 .popc_6insn_patch : {
>> 131 __popc_6insn_patch = .;
>> 132 *(.popc_6insn_patch)
>> 133 __popc_6insn_patch_end = .;
>> 134 }
>> 135 .pause_3insn_patch : {
>> 136 __pause_3insn_patch = .;
>> 137 *(.pause_3insn_patch)
>> 138 __pause_3insn_patch_end = .;
>> 139 }
>> 140 PERCPU_SECTION(SMP_CACHE_BYTES)
60 141
61 _end = .; !! 142 . = ALIGN(PAGE_SIZE);
>> 143 __init_end = .;
>> 144 BSS_SECTION(0, 0, 0)
>> 145 _end = . ;
62 146
63 STABS_DEBUG 147 STABS_DEBUG
64 DWARF_DEBUG 148 DWARF_DEBUG
65 ELF_DETAILS <<
66 .hexagon.attributes 0 : { *(.hexagon.a <<
67 149
68 DISCARDS 150 DISCARDS
69 } 151 }
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