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linux-loongson/arch/v850/kernel/vmlinux.lds.S
Sam Ravnborg ca967258b6 all-archs: consolidate .data section definition in asm-generic 
With this consolidation we can now modify the .data
section definition in one spot for all archs.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2007-05-19 09:11:57 +02:00

307 lines
9.3 KiB
ArmAsm
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/*
* arch/v850/vmlinux.lds.S -- kernel linker script for v850 platforms
*
* Copyright (C) 2002,03,04,05 NEC Electronics Corporation
* Copyright (C) 2002,03,04,05 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
* archive for more details.
*
* Written by Miles Bader <miles@gnu.org>
*/
#define VMLINUX_SYMBOL(_sym_) _##_sym_
#include <asm-generic/vmlinux.lds.h>
/* For most platforms, this will define useful things like RAM addr/size. */
#include <asm/machdep.h>
/* The following macros contain the usual definitions for various data areas.
The prefix `RAMK_' is used to indicate macros suitable for kernels loaded
into RAM, and similarly `ROMK_' for ROM-resident kernels. Note that all
symbols are prefixed with an extra `_' for compatibility with the v850
toolchain. */
/* Interrupt vectors. */
#define INTV_CONTENTS \
. = ALIGN (0x10) ; \
__intv_start = . ; \
*(.intv.reset) /* Reset vector */ \
. = __intv_start + 0x10 ; \
*(.intv.common) /* Vectors common to all v850e proc */\
. = __intv_start + 0x80 ; \
*(.intv.mach) /* Machine-specific int. vectors. */ \
__intv_end = . ;
#define RODATA_CONTENTS \
. = ALIGN (16) ; \
*(.rodata) *(.rodata.*) \
*(__vermagic) /* Kernel version magic */ \
*(.rodata1) \
/* PCI quirks */ \
___start_pci_fixups_early = . ; \
*(.pci_fixup_early) \
___end_pci_fixups_early = . ; \
___start_pci_fixups_header = . ; \
*(.pci_fixup_header) \
___end_pci_fixups_header = . ; \
___start_pci_fixups_final = . ; \
*(.pci_fixup_final) \
___end_pci_fixups_final = . ; \
___start_pci_fixups_enable = . ; \
*(.pci_fixup_enable) \
___end_pci_fixups_enable = . ; \
/* Kernel symbol table: Normal symbols */ \
___start___ksymtab = .; \
*(__ksymtab) \
___stop___ksymtab = .; \
/* Kernel symbol table: GPL-only symbols */ \
___start___ksymtab_gpl = .; \
*(__ksymtab_gpl) \
___stop___ksymtab_gpl = .; \
/* Kernel symbol table: GPL-future symbols */ \
___start___ksymtab_gpl_future = .; \
*(__ksymtab_gpl_future) \
___stop___ksymtab_gpl_future = .; \
/* Kernel symbol table: strings */ \
*(__ksymtab_strings) \
/* Kernel symbol table: Normal symbols */ \
___start___kcrctab = .; \
*(__kcrctab) \
___stop___kcrctab = .; \
/* Kernel symbol table: GPL-only symbols */ \
___start___kcrctab_gpl = .; \
*(__kcrctab_gpl) \
___stop___kcrctab_gpl = .; \
/* Kernel symbol table: GPL-future symbols */ \
___start___kcrctab_gpl_future = .; \
*(__kcrctab_gpl_future) \
___stop___kcrctab_gpl_future = .; \
/* Built-in module parameters */ \
. = ALIGN (4) ; \
___start___param = .; \
*(__param) \
___stop___param = .;
/* Kernel text segment, and some constant data areas. */
#define TEXT_CONTENTS \
_text = .; \
__stext = . ; \
TEXT_TEXT \
SCHED_TEXT \
*(.exit.text) /* 2.5 convention */ \
*(.text.exit) /* 2.4 convention */ \
*(.text.lock) \
*(.exitcall.exit) \
__real_etext = . ; /* There may be data after here. */ \
RODATA_CONTENTS \
. = ALIGN (4) ; \
*(.call_table_data) \
*(.call_table_text) \
. = ALIGN (16) ; /* Exception table. */ \
___start___ex_table = . ; \
*(__ex_table) \
___stop___ex_table = . ; \
. = ALIGN (4) ; \
__etext = . ;
/* Kernel data segment. */
#define DATA_CONTENTS \
__sdata = . ; \
DATA_DATA \
*(.exit.data) /* 2.5 convention */ \
*(.data.exit) /* 2.4 convention */ \
. = ALIGN (16) ; \
*(.data.cacheline_aligned) \
. = ALIGN (0x2000) ; \
*(.data.init_task) \
. = ALIGN (0x2000) ; \
__edata = . ;
/* Kernel BSS segment. */
#define BSS_CONTENTS \
__sbss = . ; \
*(.bss) \
*(COMMON) \
. = ALIGN (4) ; \
__init_stack_end = . ; \
__ebss = . ;
/* `initcall' tables. */
#define INITCALL_CONTENTS \
. = ALIGN (16) ; \
___setup_start = . ; \
*(.init.setup) /* 2.5 convention */ \
*(.setup.init) /* 2.4 convention */ \
___setup_end = . ; \
___initcall_start = . ; \
*(.initcall.init) \
INITCALLS \
. = ALIGN (4) ; \
___initcall_end = . ; \
___con_initcall_start = .; \
*(.con_initcall.init) \
___con_initcall_end = .;
/* Contents of `init' section for a kernel that's loaded into RAM. */
#define RAMK_INIT_CONTENTS \
RAMK_INIT_CONTENTS_NO_END \
__init_end = . ;
/* Same as RAMK_INIT_CONTENTS, but doesn't define the `__init_end' symbol. */
#define RAMK_INIT_CONTENTS_NO_END \
. = ALIGN (4096) ; \
__init_start = . ; \
__sinittext = .; \
*(.init.text) /* 2.5 convention */ \
__einittext = .; \
*(.init.data) \
*(.text.init) /* 2.4 convention */ \
*(.data.init) \
INITCALL_CONTENTS \
INITRAMFS_CONTENTS
/* The contents of `init' section for a ROM-resident kernel which
should go into RAM. */
#define ROMK_INIT_RAM_CONTENTS \
. = ALIGN (4096) ; \
__init_start = . ; \
*(.init.data) /* 2.5 convention */ \
*(.data.init) /* 2.4 convention */ \
__init_end = . ; \
. = ALIGN (4096) ;
/* The contents of `init' section for a ROM-resident kernel which
should go into ROM. */
#define ROMK_INIT_ROM_CONTENTS \
_sinittext = .; \
*(.init.text) /* 2.5 convention */ \
_einittext = .; \
*(.text.init) /* 2.4 convention */ \
INITCALL_CONTENTS \
INITRAMFS_CONTENTS
/* A root filesystem image, for kernels with an embedded root filesystem. */
#define ROOT_FS_CONTENTS \
__root_fs_image_start = . ; \
*(.root) \
__root_fs_image_end = . ;
#ifdef CONFIG_BLK_DEV_INITRD
/* The initramfs archive. */
#define INITRAMFS_CONTENTS \
. = ALIGN (4) ; \
___initramfs_start = . ; \
*(.init.ramfs) \
___initramfs_end = . ;
#endif
/* Where the initial bootmap (bitmap for the boot-time memory allocator)
should be place. */
#define BOOTMAP_CONTENTS \
. = ALIGN (4096) ; \
__bootmap = . ; \
. = . + 4096 ; /* enough for 128MB. */
/* The contents of a `typical' kram area for a kernel in RAM. */
#define RAMK_KRAM_CONTENTS \
__kram_start = . ; \
TEXT_CONTENTS \
DATA_CONTENTS \
BSS_CONTENTS \
RAMK_INIT_CONTENTS \
__kram_end = . ; \
BOOTMAP_CONTENTS
/* Define output sections normally used for a ROM-resident kernel.
ROM and RAM should be appropriate memory areas to use for kernel
ROM and RAM data. This assumes that ROM starts at 0 (and thus can
hold the interrupt vectors). */
#define ROMK_SECTIONS(ROM, RAM) \
.rom : { \
INTV_CONTENTS \
TEXT_CONTENTS \
ROMK_INIT_ROM_CONTENTS \
ROOT_FS_CONTENTS \
} > ROM \
\
__rom_copy_src_start = . ; \
\
.data : { \
__kram_start = . ; \
__rom_copy_dst_start = . ; \
DATA_CONTENTS \
ROMK_INIT_RAM_CONTENTS \
__rom_copy_dst_end = . ; \
} > RAM AT> ROM \
\
.bss ALIGN (4) : { \
BSS_CONTENTS \
__kram_end = . ; \
BOOTMAP_CONTENTS \
} > RAM
/* The 32-bit variable `jiffies' is just the lower 32-bits of `jiffies_64'. */
_jiffies = _jiffies_64 ;
/* Include an appropriate platform-dependent linker-script (which
usually should use the above macros to do most of the work). */
#ifdef CONFIG_V850E_SIM
# include "sim.ld"
#endif
#ifdef CONFIG_V850E2_SIM85E2
# include "sim85e2.ld"
#endif
#ifdef CONFIG_V850E2_FPGA85E2C
# include "fpga85e2c.ld"
#endif
#ifdef CONFIG_V850E2_ANNA
# ifdef CONFIG_ROM_KERNEL
# include "anna-rom.ld"
# else
# include "anna.ld"
# endif
#endif
#ifdef CONFIG_V850E_AS85EP1
# ifdef CONFIG_ROM_KERNEL
# include "as85ep1-rom.ld"
# else
# include "as85ep1.ld"
# endif
#endif
#ifdef CONFIG_RTE_CB_MA1
# ifdef CONFIG_ROM_KERNEL
# include "rte_ma1_cb-rom.ld"
# else
# include "rte_ma1_cb.ld"
# endif
#endif
#ifdef CONFIG_RTE_CB_NB85E
# ifdef CONFIG_ROM_KERNEL
# include "rte_nb85e_cb-rom.ld"
# elif defined(CONFIG_RTE_CB_MULTI)
# include "rte_nb85e_cb-multi.ld"
# else
# include "rte_nb85e_cb.ld"
# endif
#endif
#ifdef CONFIG_RTE_CB_ME2
# include "rte_me2_cb.ld"
#endif
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