1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* <<
3 * Linker script for Hexagon kernel <<
4 * <<
5 * Copyright (c) 2010-2014, The Linux Foundati <<
6 */ <<
7 <<
8 #include <asm-generic/vmlinux.lds.h> 1 #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 <<
14 OUTPUT_ARCH(hexagon) <<
15 ENTRY(stext) <<
16 <<
17 jiffies = jiffies_64; <<
18 <<
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 2
>> 3 #undef mips /* CPP really sucks for this job */
>> 4 #define mips mips
>> 5 OUTPUT_ARCH(mips)
>> 6 ENTRY(kernel_entry)
>> 7 jiffies = JIFFIES;
26 SECTIONS 8 SECTIONS
27 { 9 {
28 . = PAGE_OFFSET; !! 10 #ifdef CONFIG_BOOT_ELF64
29 !! 11 /* Read-only sections, merged into text segment: */
30 __init_begin = .; !! 12 /* . = 0xc000000000000000; */
31 HEAD_TEXT_SECTION !! 13
32 INIT_TEXT_SECTION(PAGE_SIZE) !! 14 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
33 PERCPU_SECTION(L1_CACHE_BYTES) !! 15 /* . = 0xc00000000001c000; */
34 __init_end = .; !! 16
35 !! 17 /* Set the vaddr for the text segment to a value
36 . = ALIGN(_PAGE_SIZE); !! 18 >= 0xa800 0000 0001 9000 if no symmon is going to configured
37 _stext = .; !! 19 >= 0xa800 0000 0030 0000 otherwise */
38 .text : AT(ADDR(.text)) { !! 20
39 _text = .; !! 21 /* . = 0xa800000000300000; */
40 TEXT_TEXT !! 22 /* . = 0xa800000000300000; */
41 IRQENTRY_TEXT !! 23 . = 0xffffffff80300000;
42 SOFTIRQENTRY_TEXT !! 24 #endif
43 SCHED_TEXT !! 25 . = LOADADDR;
44 LOCK_TEXT !! 26 /* read-only */
45 KPROBES_TEXT !! 27 _text = .; /* Text and read-only data */
46 *(.fixup) !! 28 .text : {
47 } !! 29 *(.text)
48 _etext = .; !! 30 *(.fixup)
49 !! 31 *(.gnu.warning)
50 INIT_DATA_SECTION(PAGE_SIZE) !! 32 } =0
51 !! 33
52 _sdata = .; !! 34 _etext = .; /* End of text section */
53 RW_DATA(32,PAGE_SIZE,_THREAD_S !! 35
54 RO_DATA(PAGE_SIZE) !! 36 . = ALIGN(16); /* Exception table */
55 _edata = .; !! 37 __start___ex_table = .;
56 !! 38 __ex_table : { *(__ex_table) }
57 EXCEPTION_TABLE(16) !! 39 __stop___ex_table = .;
58 !! 40
59 BSS_SECTION(_PAGE_SIZE, _PAGE_SIZE, _P !! 41 __start___dbe_table = .; /* Exception table for data bus errors */
60 !! 42 __dbe_table : { *(__dbe_table) }
61 _end = .; !! 43 __stop___dbe_table = .;
62 !! 44
63 STABS_DEBUG !! 45 RODATA
64 DWARF_DEBUG !! 46
65 ELF_DETAILS !! 47 . = ALIGN(64);
66 .hexagon.attributes 0 : { *(.hexagon.a !! 48
67 !! 49 /* writeable */
68 DISCARDS !! 50 .data : { /* Data */
>> 51 *(.data)
>> 52
>> 53 /* Align the initial ramdisk image (INITRD) on page boundaries. */
>> 54 . = ALIGN(4096);
>> 55 __rd_start = .;
>> 56 *(.initrd)
>> 57 . = ALIGN(4096);
>> 58 __rd_end = .;
>> 59
>> 60 CONSTRUCTORS
>> 61 }
>> 62 _gp = . + 0x8000;
>> 63 .lit8 : { *(.lit8) }
>> 64 .lit4 : { *(.lit4) }
>> 65 /* We want the small data sections together, so single-instruction offsets
>> 66 can access them all, and initialized data all before uninitialized, so
>> 67 we can shorten the on-disk segment size. */
>> 68 .sdata : { *(.sdata) }
>> 69
>> 70 . = ALIGN(4096);
>> 71 __nosave_begin = .;
>> 72 .data_nosave : { *(.data.nosave) }
>> 73 . = ALIGN(4096);
>> 74 __nosave_end = .;
>> 75
>> 76 . = ALIGN(4096);
>> 77 .data.page_aligned : { *(.data.idt) }
>> 78
>> 79 . = ALIGN(32);
>> 80 .data.cacheline_aligned : { *(.data.cacheline_aligned) }
>> 81
>> 82 _edata = .; /* End of data section */
>> 83
>> 84 #ifdef CONFIG_MIPS32
>> 85 . = ALIGN(8192); /* init_task */
>> 86 #endif
>> 87 #ifdef CONFIG_MIPS64
>> 88 . = ALIGN(16384); /* init_task */
>> 89 #endif
>> 90 . = . + MAPPED_OFFSET; /* for CONFIG_MAPPED_KERNEL */
>> 91 .data.init_task : { *(.data.init_task) }
>> 92
>> 93 /* will be freed after init */
>> 94 . = ALIGN(4096); /* Init code and data */
>> 95 __init_begin = .;
>> 96 /* /DISCARD/ doesn't work for .reginfo */
>> 97 .reginfo : { *(.reginfo) }
>> 98 .init.text : {
>> 99 _sinittext = .;
>> 100 *(.init.text)
>> 101 _einittext = .;
>> 102 }
>> 103 .init.data : { *(.init.data) }
>> 104 . = ALIGN(16);
>> 105 __setup_start = .;
>> 106 .init.setup : { *(.init.setup) }
>> 107 __setup_end = .;
>> 108 __start___param = .;
>> 109 __param : { *(__param) }
>> 110 __stop___param = .;
>> 111 __initcall_start = .;
>> 112 .initcall.init : {
>> 113 *(.initcall1.init)
>> 114 *(.initcall2.init)
>> 115 *(.initcall3.init)
>> 116 *(.initcall4.init)
>> 117 *(.initcall5.init)
>> 118 *(.initcall6.init)
>> 119 *(.initcall7.init)
>> 120 }
>> 121 __initcall_end = .;
>> 122 __con_initcall_start = .;
>> 123 .con_initcall.init : { *(.con_initcall.init) }
>> 124 __con_initcall_end = .;
>> 125 SECURITY_INIT
>> 126 . = ALIGN(4096);
>> 127 __initramfs_start = .;
>> 128 .init.ramfs : { *(.init.ramfs) }
>> 129 __initramfs_end = .;
>> 130 . = ALIGN(32);
>> 131 __per_cpu_start = .;
>> 132 .data.percpu : { *(.data.percpu) }
>> 133 __per_cpu_end = .;
>> 134 . = ALIGN(4096);
>> 135 __init_end = .;
>> 136 /* freed after init ends here */
>> 137
>> 138 __bss_start = .; /* BSS */
>> 139 .sbss : {
>> 140 *(.sbss)
>> 141 *(.scommon)
>> 142 }
>> 143 .bss : {
>> 144 *(.bss)
>> 145 *(COMMON)
>> 146 }
>> 147 __bss_stop = .;
>> 148
>> 149 _end = . ;
>> 150
>> 151 /* Sections to be discarded */
>> 152 /DISCARD/ : {
>> 153 *(.exit.text)
>> 154 *(.exit.data)
>> 155 *(.exitcall.exit)
>> 156 }
>> 157
>> 158 /* This is the MIPS specific mdebug section. */
>> 159 .mdebug : { *(.mdebug) }
>> 160 /* These are needed for ELF backends which have not yet been
>> 161 converted to the new style linker. */
>> 162 .stab 0 : { *(.stab) }
>> 163 .stabstr 0 : { *(.stabstr) }
>> 164 /* DWARF debug sections.
>> 165 Symbols in the .debug DWARF section are relative to the beginning of the
>> 166 section so we begin .debug at 0. It's not clear yet what needs to happen
>> 167 for the others. */
>> 168 .debug 0 : { *(.debug) }
>> 169 .debug_srcinfo 0 : { *(.debug_srcinfo) }
>> 170 .debug_aranges 0 : { *(.debug_aranges) }
>> 171 .debug_pubnames 0 : { *(.debug_pubnames) }
>> 172 .debug_sfnames 0 : { *(.debug_sfnames) }
>> 173 .line 0 : { *(.line) }
>> 174 /* These must appear regardless of . */
>> 175 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
>> 176 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
>> 177 .comment : { *(.comment) }
>> 178 .note : { *(.note) }
69 } 179 }
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