LXR linux/arch/riscv/kernel/vmlinux.lds.S

   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 */
   6
   7#define RO_EXCEPTION_TABLE_ALIGN        16
   8
   9#ifdef CONFIG_XIP_KERNEL
  10#include "vmlinux-xip.lds.S"
  11#else
  12
  13#include <asm/pgtable.h>
  14#define LOAD_OFFSET KERNEL_LINK_ADDR
  15
  16#include <asm/vmlinux.lds.h>
  17#include <asm/page.h>
  18#include <asm/cache.h>
  19#include <asm/thread_info.h>
  20#include <asm/set_memory.h>
  21#include "image-vars.h"
  22
  23#include <linux/sizes.h>
  24OUTPUT_ARCH(riscv)
  25ENTRY(_start)
  26
  27jiffies = jiffies_64;
  28
  29PECOFF_SECTION_ALIGNMENT = 0x1000;
  30PECOFF_FILE_ALIGNMENT = 0x200;
  31
  32SECTIONS
  33{
  34        /* Beginning of code and text segment */
  35        . = LOAD_OFFSET;
  36        _start = .;
  37        HEAD_TEXT_SECTION
  38        . = ALIGN(PAGE_SIZE);
  39
  40        .text : {
  41                _text = .;
  42                _stext = .;
  43                TEXT_TEXT
  44                SCHED_TEXT
  45                CPUIDLE_TEXT
  46                LOCK_TEXT
  47                KPROBES_TEXT
  48                ENTRY_TEXT
  49                IRQENTRY_TEXT
  50                SOFTIRQENTRY_TEXT
  51                *(.fixup)
  52                _etext = .;
  53        }
  54
  55        . = ALIGN(SECTION_ALIGN);
  56        __init_begin = .;
  57        __init_text_begin = .;
  58        .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \
  59                _sinittext = .;                                         \
  60                INIT_TEXT                                               \
  61                _einittext = .;                                         \
  62        }
  63
  64        . = ALIGN(8);
  65        __soc_early_init_table : {
  66                __soc_early_init_table_start = .;
  67                KEEP(*(__soc_early_init_table))
  68                __soc_early_init_table_end = .;
  69        }
  70        __soc_builtin_dtb_table : {
  71                __soc_builtin_dtb_table_start = .;
  72                KEEP(*(__soc_builtin_dtb_table))
  73                __soc_builtin_dtb_table_end = .;
  74        }
  75        /* we have to discard exit text and such at runtime, not link time */
  76        .exit.text :
  77        {
  78                EXIT_TEXT
  79        }
  80
  81        __init_text_end = .;
  82        . = ALIGN(SECTION_ALIGN);
  83#ifdef CONFIG_EFI
  84        . = ALIGN(PECOFF_SECTION_ALIGNMENT);
  85        __pecoff_text_end = .;
  86#endif
  87        /* Start of init data section */
  88        __init_data_begin = .;
  89        INIT_DATA_SECTION(16)
  90        .exit.data :
  91        {
  92                EXIT_DATA
  93        }
  94        PERCPU_SECTION(L1_CACHE_BYTES)
  95
  96        .rel.dyn : {
  97                *(.rel.dyn*)
  98        }
  99
 100        __init_data_end = .;
 101
 102        . = ALIGN(8);
 103        .alternative : {
 104                __alt_start = .;
 105                *(.alternative)
 106                __alt_end = .;
 107        }
 108        __init_end = .;
 109
 110        /* Start of data section */
 111        _sdata = .;
 112        RO_DATA(SECTION_ALIGN)
 113        .srodata : {
 114                *(.srodata*)
 115        }
 116
 117        . = ALIGN(SECTION_ALIGN);
 118        _data = .;
 119
 120        RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
 121        .sdata : {
 122                __global_pointer$ = . + 0x800;
 123                *(.sdata*)
 124        }
 125
 126#ifdef CONFIG_EFI
 127        .pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); }
 128        __pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end);
 129#endif
 130
 131        /* End of data section */
 132        _edata = .;
 133
 134        BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
 135
 136#ifdef CONFIG_EFI
 137        . = ALIGN(PECOFF_SECTION_ALIGNMENT);
 138        __pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end);
 139#endif
 140        _end = .;
 141
 142        STABS_DEBUG
 143        DWARF_DEBUG
 144        ELF_DETAILS
 145
 146        DISCARDS
 147}
 148#endif /* CONFIG_XIP_KERNEL */
 149