1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Kernel link layout for various "sections !! 2 /* ld script for sparc32/sparc64 kernel */
3 * <<
4 * Copyright (C) 1999-2003 Matthew Wilcox < <<
5 * Copyright (C) 2000-2003 Paul Bame <bame <<
6 * Copyright (C) 2000 John Marvin <jsm at p <<
7 * Copyright (C) 2000 Michael Ang <mang wit <<
8 * Copyright (C) 2002 Randolph Chung <tausq <<
9 * Copyright (C) 2003 James Bottomley <jejb <<
10 * Copyright (C) 2006-2013 Helge Deller <del <<
11 */ <<
12 <<
13 /* <<
14 * Put page table entries (swapper_pg_dir) as <<
15 * will ensure that it has .bss alignment (PAG <<
16 */ <<
17 #define BSS_FIRST_SECTIONS *(.data..vm0.p <<
18 *(.data..vm0.p <<
19 *(.data..vm0.p <<
20 <<
21 #define CC_USING_PATCHABLE_FUNCTION_ENTRY <<
22 #define RO_EXCEPTION_TABLE_ALIGN 8 <<
23 3
24 #include <asm-generic/vmlinux.lds.h> 4 #include <asm-generic/vmlinux.lds.h>
25 5
26 /* needed for the processor specific cache ali <<
27 #include <asm/cache.h> <<
28 #include <asm/page.h> 6 #include <asm/page.h>
29 #include <asm/asm-offsets.h> <<
30 #include <asm/thread_info.h> 7 #include <asm/thread_info.h>
31 <<
32 /* ld script to make hppa Linux kernel */ <<
33 #ifndef CONFIG_64BIT <<
34 OUTPUT_FORMAT("elf32-hppa-linux") <<
35 OUTPUT_ARCH(hppa) <<
36 #else <<
37 OUTPUT_FORMAT("elf64-hppa-linux") <<
38 OUTPUT_ARCH(hppa:hppa2.0w) <<
39 #endif <<
40 8
41 #define EXIT_TEXT_SECTIONS() .exit.text : { !! 9 #ifdef CONFIG_SPARC32
42 #if !defined(CONFIG_64BIT) || defined(CONFIG_M !! 10 #define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
43 #define MLONGCALL_KEEP(x) !! 11 #define TEXTSTART 0xf0004000
44 #define MLONGCALL_DISCARD(x) x !! 12
>> 13 #define SMP_CACHE_BYTES_SHIFT 5
>> 14
45 #else 15 #else
46 #define MLONGCALL_KEEP(x) x !! 16 #define SMP_CACHE_BYTES_SHIFT 6
47 #define MLONGCALL_DISCARD(x) !! 17 #define INITIAL_ADDRESS 0x4000
>> 18 #define TEXTSTART 0x0000000000404000
>> 19
48 #endif 20 #endif
49 21
50 ENTRY(parisc_kernel_start) !! 22 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
51 #ifndef CONFIG_64BIT !! 23
>> 24 #ifdef CONFIG_SPARC32
>> 25 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
>> 26 OUTPUT_ARCH(sparc)
>> 27 ENTRY(_start)
52 jiffies = jiffies_64 + 4; 28 jiffies = jiffies_64 + 4;
53 #else 29 #else
>> 30 /* sparc64 */
>> 31 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
>> 32 OUTPUT_ARCH(sparc:v9a)
>> 33 ENTRY(_start)
54 jiffies = jiffies_64; 34 jiffies = jiffies_64;
55 #endif 35 #endif
56 SECTIONS <<
57 { <<
58 . = KERNEL_BINARY_TEXT_START; <<
59 36
60 __init_begin = .; !! 37 #ifdef CONFIG_SPARC64
61 HEAD_TEXT_SECTION !! 38 ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
62 MLONGCALL_DISCARD(INIT_TEXT_SECTION(8) !! 39 #endif
63 40
64 . = ALIGN(PAGE_SIZE); !! 41 SECTIONS
65 INIT_DATA_SECTION(PAGE_SIZE) !! 42 {
66 MLONGCALL_DISCARD(EXIT_TEXT_SECTIONS() !! 43 #ifdef CONFIG_SPARC64
67 .exit.data : !! 44 swapper_pg_dir = 0x0000000000402000;
>> 45 #endif
>> 46 . = INITIAL_ADDRESS;
>> 47 .text TEXTSTART :
68 { 48 {
69 EXIT_DATA !! 49 _text = .;
70 } !! 50 HEAD_TEXT
71 PERCPU_SECTION(8) <<
72 . = ALIGN(4); <<
73 .altinstructions : { <<
74 __alt_instructions = .; <<
75 *(.altinstructions) <<
76 __alt_instructions_end = .; <<
77 } <<
78 . = ALIGN(HUGEPAGE_SIZE); <<
79 __init_end = .; <<
80 /* freed after init ends here */ <<
81 <<
82 _text = .; /* Text and re <<
83 _stext = .; <<
84 MLONGCALL_KEEP(INIT_TEXT_SECTION(8)) <<
85 .text ALIGN(PAGE_SIZE) : { <<
86 TEXT_TEXT 51 TEXT_TEXT
87 LOCK_TEXT <<
88 SCHED_TEXT 52 SCHED_TEXT
>> 53 LOCK_TEXT
89 KPROBES_TEXT 54 KPROBES_TEXT
90 IRQENTRY_TEXT 55 IRQENTRY_TEXT
91 SOFTIRQENTRY_TEXT 56 SOFTIRQENTRY_TEXT
92 *(.text.do_softirq) <<
93 *(.text.sys_exit) <<
94 *(.text.do_sigaltstack) <<
95 *(.text.do_fork) <<
96 *(.text.div) <<
97 *($$*) /* mil <<
98 *(.text.*) <<
99 *(.fixup) <<
100 *(.lock.text) /* out <<
101 *(.gnu.warning) 57 *(.gnu.warning)
102 } !! 58 } = 0
103 MLONGCALL_KEEP(EXIT_TEXT_SECTIONS()) <<
104 . = ALIGN(PAGE_SIZE); <<
105 _etext = .; 59 _etext = .;
106 /* End of text section */ !! 60
>> 61 RO_DATA(PAGE_SIZE)
107 62
108 /* Start of data section */ 63 /* Start of data section */
109 _sdata = .; 64 _sdata = .;
110 65
111 /* Architecturally we need to keep __g !! 66 .data1 : {
112 * in front of RO_DATA() which stores !! 67 *(.data1)
113 * and ftrace symbols. */ <<
114 #ifdef CONFIG_64BIT <<
115 . = ALIGN(16); <<
116 /* Linkage tables */ <<
117 .opd : { <<
118 __start_opd = .; <<
119 *(.opd) <<
120 __end_opd = .; <<
121 } PROVIDE (__gp = .); <<
122 .plt : { <<
123 *(.plt) <<
124 } 68 }
125 .dlt : { !! 69 RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE)
126 *(.dlt) !! 70
>> 71 /* End of data section */
>> 72 _edata = .;
>> 73
>> 74 .fixup : {
>> 75 __start___fixup = .;
>> 76 *(.fixup)
>> 77 __stop___fixup = .;
127 } 78 }
128 #endif !! 79 EXCEPTION_TABLE(16)
129 80
130 RO_DATA(PAGE_SIZE) !! 81 . = ALIGN(PAGE_SIZE);
>> 82 __init_begin = ALIGN(PAGE_SIZE);
>> 83 INIT_TEXT_SECTION(PAGE_SIZE)
>> 84 __init_text_end = .;
>> 85 INIT_DATA_SECTION(16)
131 86
132 /* unwind info */ <<
133 . = ALIGN(4); 87 . = ALIGN(4);
134 .PARISC.unwind : { !! 88 .tsb_ldquad_phys_patch : {
135 __start___unwind = .; !! 89 __tsb_ldquad_phys_patch = .;
136 *(.PARISC.unwind) !! 90 *(.tsb_ldquad_phys_patch)
137 __stop___unwind = .; !! 91 __tsb_ldquad_phys_patch_end = .;
138 } !! 92 }
139 !! 93
140 /* writeable */ !! 94 .tsb_phys_patch : {
141 /* Make sure this is page aligned so !! 95 __tsb_phys_patch = .;
142 * that we can properly leave these !! 96 *(.tsb_phys_patch)
143 * as writable !! 97 __tsb_phys_patch_end = .;
144 */ !! 98 }
145 . = ALIGN(HUGEPAGE_SIZE); !! 99
146 data_start = .; !! 100 .cpuid_patch : {
147 !! 101 __cpuid_patch = .;
148 /* Data */ !! 102 *(.cpuid_patch)
149 RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, PAG !! 103 __cpuid_patch_end = .;
150 !! 104 }
151 /* PA-RISC locks requires 16-byte alig !! 105
152 . = ALIGN(16); !! 106 .sun4v_1insn_patch : {
153 .data..lock_aligned : { !! 107 __sun4v_1insn_patch = .;
154 *(.data..lock_aligned) !! 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 = .;
155 } 170 }
>> 171 PERCPU_SECTION(SMP_CACHE_BYTES)
156 172
157 /* End of data section */ <<
158 . = ALIGN(PAGE_SIZE); 173 . = ALIGN(PAGE_SIZE);
159 _edata = .; !! 174 .exit.text : {
>> 175 EXIT_TEXT
>> 176 }
160 177
161 /* BSS */ !! 178 .exit.data : {
162 BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE !! 179 EXIT_DATA
>> 180 }
163 181
164 . = ALIGN(HUGEPAGE_SIZE); !! 182 . = ALIGN(PAGE_SIZE);
>> 183 __init_end = .;
>> 184 BSS_SECTION(0, 0, 0)
165 _end = . ; 185 _end = . ;
166 186
167 STABS_DEBUG 187 STABS_DEBUG
>> 188 DWARF_DEBUG
168 ELF_DETAILS 189 ELF_DETAILS
169 .note 0 : { *(.note) } <<
170 190
171 /* Sections to be discarded */ <<
172 DISCARDS 191 DISCARDS
173 /DISCARD/ : { <<
174 #ifdef CONFIG_64BIT <<
175 /* temporary hack until binuti <<
176 * for static binaries <<
177 */ <<
178 *(.interp) <<
179 *(.dynsym) <<
180 *(.dynstr) <<
181 *(.dynamic) <<
182 *(.hash) <<
183 *(.gnu.hash) <<
184 #endif <<
185 } <<
186 } 192 }
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