1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2012 Regents of the University of California 4 * Copyright (C) 2017 SiFive 5 * Copyright (C) 2020 Vitaly Wool, Konsulko AB 6 */ 7 8#include <asm/pgtable.h> 9#define LOAD_OFFSET KERNEL_LINK_ADDR 10/* No __ro_after_init data in the .rodata section - which will always be ro */ 11#define RO_AFTER_INIT_DATA 12 13#include <asm/vmlinux.lds.h> 14#include <asm/page.h> 15#include <asm/pgtable.h> 16#include <asm/cache.h> 17#include <asm/thread_info.h> 18 19OUTPUT_ARCH(riscv) 20ENTRY(_start) 21 22jiffies = jiffies_64; 23 24SECTIONS 25{ 26 /* Beginning of code and text segment */ 27 . = LOAD_OFFSET; 28 _xiprom = .; 29 _start = .; 30 HEAD_TEXT_SECTION 31 INIT_TEXT_SECTION(PAGE_SIZE) 32 /* we have to discard exit text and such at runtime, not link time */ 33 .exit.text : 34 { 35 EXIT_TEXT 36 } 37 38 .text : { 39 _text = .; 40 _stext = .; 41 TEXT_TEXT 42 SCHED_TEXT 43 CPUIDLE_TEXT 44 LOCK_TEXT 45 KPROBES_TEXT 46 ENTRY_TEXT 47 IRQENTRY_TEXT 48 SOFTIRQENTRY_TEXT 49 *(.fixup) 50 _etext = .; 51 } 52 RO_DATA(L1_CACHE_BYTES) 53 .srodata : { 54 *(.srodata*) 55 } 56 .init.rodata : { 57 INIT_SETUP(16) 58 INIT_CALLS 59 CON_INITCALL 60 INIT_RAM_FS 61 } 62 _exiprom = .; /* End of XIP ROM area */ 63 64 65/* 66 * From this point, stuff is considered writable and will be copied to RAM 67 */ 68 __data_loc = ALIGN(16); /* location in file */ 69 . = LOAD_OFFSET + XIP_OFFSET; /* location in memory */ 70 71 _sdata = .; /* Start of data section */ 72 _data = .; 73 RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 74 _edata = .; 75 __start_ro_after_init = .; 76 .data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) { 77 *(.data..ro_after_init) 78 } 79 __end_ro_after_init = .; 80 81 . = ALIGN(PAGE_SIZE); 82 __init_begin = .; 83 .init.data : { 84 INIT_DATA 85 } 86 .exit.data : { 87 EXIT_DATA 88 } 89 . = ALIGN(8); 90 __soc_early_init_table : { 91 __soc_early_init_table_start = .; 92 KEEP(*(__soc_early_init_table)) 93 __soc_early_init_table_end = .; 94 } 95 __soc_builtin_dtb_table : { 96 __soc_builtin_dtb_table_start = .; 97 KEEP(*(__soc_builtin_dtb_table)) 98 __soc_builtin_dtb_table_end = .; 99 } 100 PERCPU_SECTION(L1_CACHE_BYTES) 101 102 . = ALIGN(PAGE_SIZE); 103 __init_end = .; 104 105 .sdata : { 106 __global_pointer$ = . + 0x800; 107 *(.sdata*) 108 *(.sbss*) 109 } 110 111 BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) 112 EXCEPTION_TABLE(0x10) 113 114 .rel.dyn : AT(ADDR(.rel.dyn) - LOAD_OFFSET) { 115 *(.rel.dyn*) 116 } 117 118 /* 119 * End of copied data. We need a dummy section to get its LMA. 120 * Also located before final ALIGN() as trailing padding is not stored 121 * in the resulting binary file and useless to copy. 122 */ 123 .data.endmark : AT(ADDR(.data.endmark) - LOAD_OFFSET) { } 124 _edata_loc = LOADADDR(.data.endmark); 125 126 . = ALIGN(PAGE_SIZE); 127 _end = .; 128 129 STABS_DEBUG 130 DWARF_DEBUG 131 132 DISCARDS 133} 134