OpenCloudOS-Kernel/arch/riscv/kernel/vmlinux-xip.lds.S

145 lines
2.7 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 Regents of the University of California
* Copyright (C) 2017 SiFive
* Copyright (C) 2020 Vitaly Wool, Konsulko AB
*/
#include <asm/pgtable.h>
#define LOAD_OFFSET KERNEL_LINK_ADDR
/* No __ro_after_init data in the .rodata section - which will always be ro */
#define RO_AFTER_INIT_DATA
#include <asm/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/cache.h>
#include <asm/thread_info.h>
OUTPUT_ARCH(riscv)
ENTRY(_start)
jiffies = jiffies_64;
SECTIONS
{
/* Beginning of code and text segment */
. = LOAD_OFFSET;
_xiprom = .;
_start = .;
HEAD_TEXT_SECTION
INIT_TEXT_SECTION(PAGE_SIZE)
/* we have to discard exit text and such at runtime, not link time */
.exit.text :
{
EXIT_TEXT
}
.text : {
_text = .;
_stext = .;
TEXT_TEXT
SCHED_TEXT
CPUIDLE_TEXT
LOCK_TEXT
KPROBES_TEXT
ENTRY_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.fixup)
_etext = .;
}
RO_DATA(L1_CACHE_BYTES)
.srodata : {
*(.srodata*)
}
.init.rodata : {
INIT_SETUP(16)
INIT_CALLS
CON_INITCALL
INIT_RAM_FS
}
_exiprom = .; /* End of XIP ROM area */
/*
* From this point, stuff is considered writable and will be copied to RAM
*/
__data_loc = ALIGN(16); /* location in file */
. = LOAD_OFFSET + XIP_OFFSET; /* location in memory */
_sdata = .; /* Start of data section */
_data = .;
RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
__start_ro_after_init = .;
.data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) {
*(.data..ro_after_init)
}
__end_ro_after_init = .;
. = ALIGN(PAGE_SIZE);
__init_begin = .;
.init.data : {
INIT_DATA
}
.exit.data : {
EXIT_DATA
}
. = ALIGN(8);
__soc_early_init_table : {
__soc_early_init_table_start = .;
KEEP(*(__soc_early_init_table))
__soc_early_init_table_end = .;
}
__soc_builtin_dtb_table : {
__soc_builtin_dtb_table_start = .;
KEEP(*(__soc_builtin_dtb_table))
__soc_builtin_dtb_table_end = .;
}
PERCPU_SECTION(L1_CACHE_BYTES)
. = ALIGN(8);
.alternative : {
__alt_start = .;
*(.alternative)
__alt_end = .;
}
__init_end = .;
. = ALIGN(16);
.xip.traps : {
__xip_traps_start = .;
*(.xip.traps)
__xip_traps_end = .;
}
. = ALIGN(PAGE_SIZE);
.sdata : {
__global_pointer$ = . + 0x800;
*(.sdata*)
*(.sbss*)
}
BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
.rel.dyn : AT(ADDR(.rel.dyn) - LOAD_OFFSET) {
*(.rel.dyn*)
}
/*
* End of copied data. We need a dummy section to get its LMA.
* Also located before final ALIGN() as trailing padding is not stored
* in the resulting binary file and useless to copy.
*/
.data.endmark : AT(ADDR(.data.endmark) - LOAD_OFFSET) { }
_edata_loc = LOADADDR(.data.endmark);
. = ALIGN(PAGE_SIZE);
_end = .;
STABS_DEBUG
DWARF_DEBUG
DISCARDS
}