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        4
   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                _etext = .;
  52        }
  53
  54        . = ALIGN(SECTION_ALIGN);
  55        __init_begin = .;
  56        __init_text_begin = .;
  57        .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \
  58                _sinittext = .;                                         \
  59                INIT_TEXT                                               \
  60                _einittext = .;                                         \
  61        }
  62
  63        . = ALIGN(8);
  64        __soc_early_init_table : {
  65                __soc_early_init_table_start = .;
  66                KEEP(*(__soc_early_init_table))
  67                __soc_early_init_table_end = .;
  68        }
  69        __soc_builtin_dtb_table : {
  70                __soc_builtin_dtb_table_start = .;
  71                KEEP(*(__soc_builtin_dtb_table))
  72                __soc_builtin_dtb_table_end = .;
  73        }
  74        /* we have to discard exit text and such at runtime, not link time */
  75        .exit.text :
  76        {
  77                EXIT_TEXT
  78        }
  79
  80        __init_text_end = .;
  81        . = ALIGN(SECTION_ALIGN);
  82#ifdef CONFIG_EFI
  83        . = ALIGN(PECOFF_SECTION_ALIGNMENT);
  84        __pecoff_text_end = .;
  85#endif
  86        /* Start of init data section */
  87        __init_data_begin = .;
  88        INIT_DATA_SECTION(16)
  89        .exit.data :
  90        {
  91                EXIT_DATA
  92        }
  93        PERCPU_SECTION(L1_CACHE_BYTES)
  94
  95        .rel.dyn : {
  96                *(.rel.dyn*)
  97        }
  98
  99        __init_data_end = .;
 100
 101        . = ALIGN(8);
 102        .alternative : {
 103                __alt_start = .;
 104                *(.alternative)
 105                __alt_end = .;
 106        }
 107        __init_end = .;
 108
 109        /* Start of data section */
 110        _sdata = .;
 111        RO_DATA(SECTION_ALIGN)
 112        .srodata : {
 113                *(.srodata*)
 114        }
 115
 116        . = ALIGN(SECTION_ALIGN);
 117        _data = .;
 118
 119        RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
 120        .sdata : {
 121                __global_pointer$ = . + 0x800;
 122                *(.sdata*)
 123        }
 124
 125#ifdef CONFIG_EFI
 126        .pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); }
 127        __pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end);
 128#endif
 129
 130        /* End of data section */
 131        _edata = .;
 132
 133        BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
 134
 135#ifdef CONFIG_EFI
 136        . = ALIGN(PECOFF_SECTION_ALIGNMENT);
 137        __pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end);
 138#endif
 139        _end = .;
 140
 141        STABS_DEBUG
 142        DWARF_DEBUG
 143        ELF_DETAILS
 144
 145        DISCARDS
 146}
 147#endif /* CONFIG_XIP_KERNEL */
 148