linux/arch/m68knommu/kernel/vmlinux.lds.S
Greg Ungerer 73e2fba8dc [PATCH] m68knommu: use configurable RAM setup in linker script
Remove the fixed RAM configurations for each board type from the
linker script. Replace with simple defines usng the flexible RAM
configuration options. This cleans out of lot of board specific
munging of addresses.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-26 10:59:07 -07:00

237 lines
4.7 KiB
ArmAsm

/*
* vmlinux.lds.S -- master linker script for m68knommu arch
*
* (C) Copyright 2002-2006, Greg Ungerer <gerg@snapgear.com>
*
* This ends up looking compilcated, because of the number of
* address variations for ram and rom/flash layouts. The real
* work of the linker script is all at the end, and reasonably
* strait forward.
*/
#include <linux/config.h>
#include <asm-generic/vmlinux.lds.h>
/*
* Original Palm pilot (same for Xcopilot).
* There is really only a rom target for this.
*/
#ifdef CONFIG_PILOT3
#define ROMVEC_START 0x10c00000
#define ROMVEC_LENGTH 0x10400
#define ROM_START 0x10c10400
#define ROM_LENGTH 0xfec00
#define ROM_END 0x10d00000
#define DATA_ADDR CONFIG_KERNELBASE
#endif
/*
* Same setup on both the uCsimm and uCdimm.
*/
#if defined(CONFIG_UCSIMM) || defined(CONFIG_UCDIMM)
#ifdef CONFIG_RAMKERNEL
#define ROMVEC_START 0x10c10000
#define ROMVEC_LENGTH 0x400
#define ROM_START 0x10c10400
#define ROM_LENGTH 0x1efc00
#define ROM_END 0x10e00000
#endif
#ifdef CONFIG_ROMKERNEL
#define ROMVEC_START 0x10c10000
#define ROMVEC_LENGTH 0x400
#define ROM_START 0x10c10400
#define ROM_LENGTH 0x1efc00
#define ROM_END 0x10e00000
#endif
#ifdef CONFIG_HIMEMKERNEL
#define ROMVEC_START 0x00600000
#define ROMVEC_LENGTH 0x400
#define ROM_START 0x00600400
#define ROM_LENGTH 0x1efc00
#define ROM_END 0x007f0000
#endif
#endif
#ifdef CONFIG_UCQUICC
#define ROMVEC_START 0x00000000
#define ROMVEC_LENGTH 0x404
#define ROM_START 0x00000404
#define ROM_LENGTH 0x1ff6fc
#define ROM_END 0x00200000
#endif
#if defined(CONFIG_RAMKERNEL)
#define RAM_START CONFIG_KERNELBASE
#define RAM_LENGTH (CONFIG_RAMBASE + CONFIG_RAMSIZE - CONFIG_KERNELBASE)
#define TEXT ram
#define DATA ram
#define INIT ram
#define BSS ram
#endif
#if defined(CONFIG_ROMKERNEL) || defined(CONFIG_HIMEMKERNEL)
#define RAM_START CONFIG_RAMBASE
#define RAM_LENGTH CONFIG_RAMSIZE
#define TEXT rom
#define DATA ram
#define INIT ram
#define BSS ram
#endif
#ifndef DATA_ADDR
#define DATA_ADDR
#endif
OUTPUT_ARCH(m68k)
ENTRY(_start)
MEMORY {
ram : ORIGIN = RAM_START, LENGTH = RAM_LENGTH
#ifdef ROM_START
romvec : ORIGIN = ROMVEC_START, LENGTH = ROMVEC_LENGTH
rom : ORIGIN = ROM_START, LENGTH = ROM_LENGTH
erom : ORIGIN = ROM_END, LENGTH = 0
#endif
}
jiffies = jiffies_64 + 4;
SECTIONS {
#ifdef ROMVEC_START
. = ROMVEC_START ;
.romvec : {
__rom_start = . ;
_romvec = .;
*(.data.initvect)
} > romvec
#endif
.text : {
_stext = . ;
*(.text)
SCHED_TEXT
*(.text.lock)
. = ALIGN(16); /* Exception table */
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
*(.rodata) *(.rodata.*)
*(__vermagic) /* Kernel version magic */
*(.rodata1)
*(.rodata.str1.1)
/* Kernel symbol table: Normal symbols */
. = ALIGN(4);
__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: 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 = .;
/* Kernel symbol table: strings */
*(__ksymtab_strings)
/* Built-in module parameters */
. = ALIGN(4) ;
__start___param = .;
*(__param)
__stop___param = .;
. = ALIGN(4) ;
_etext = . ;
} > TEXT
#ifdef ROM_END
. = ROM_END ;
.erom : {
__rom_end = . ;
} > erom
#endif
.data DATA_ADDR : {
. = ALIGN(4);
_sdata = . ;
*(.data)
. = ALIGN(8192) ;
*(.data.init_task)
_edata = . ;
} > DATA
.init : {
. = ALIGN(4096);
__init_begin = .;
_sinittext = .;
*(.init.text)
_einittext = .;
*(.init.data)
. = ALIGN(16);
__setup_start = .;
*(.init.setup)
__setup_end = .;
__initcall_start = .;
*(.initcall1.init)
*(.initcall2.init)
*(.initcall3.init)
*(.initcall4.init)
*(.initcall5.init)
*(.initcall6.init)
*(.initcall7.init)
__initcall_end = .;
__con_initcall_start = .;
*(.con_initcall.init)
__con_initcall_end = .;
__security_initcall_start = .;
*(.security_initcall.init)
__security_initcall_end = .;
. = ALIGN(4);
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
. = ALIGN(4096);
__init_end = .;
} > INIT
/DISCARD/ : {
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
}
.bss : {
. = ALIGN(4);
_sbss = . ;
*(.bss)
*(COMMON)
. = ALIGN(4) ;
_ebss = . ;
} > BSS
}