arch/m68knommu/kernel/vmlinux.lds.S - maze/linux - Git at Google

 /*
  *	vmlinux.lds.S -- master linker script for m68knommu arch
  *
  *	(C) Copyright 2002-2004, 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	RAMVEC_START	0x00000000
 #define	RAMVEC_LENGTH	0x400
 #define	RAM_START	0x10000400
 #define	RAM_LENGTH	0xffc00
 #define	RAM_END		0x10100000
 #define _ramend	_ram_end_notused
 #define	DATA_ADDR	RAM_START
 #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
 #define	RAMVEC_START	0x00000000
 #define	RAMVEC_LENGTH	0x400
 #define	RAM_START	0x00020400
 #define	RAM_LENGTH	0x7dfc00
 #define	RAM_END		0x00800000
 #endif
 #ifdef CONFIG_ROMKERNEL
 #define	ROMVEC_START	0x10c10000
 #define	ROMVEC_LENGTH	0x400
 #define	ROM_START	0x10c10400
 #define	ROM_LENGTH	0x1efc00
 #define	ROM_END		0x10e00000
 #define	RAMVEC_START	0x00000000
 #define	RAMVEC_LENGTH	0x400
 #define	RAM_START	0x00020000
 #define	RAM_LENGTH	0x600000
 #define	RAM_END		0x00800000
 #endif
 #ifdef CONFIG_HIMEMKERNEL
 #define	ROMVEC_START	0x00600000
 #define	ROMVEC_LENGTH	0x400
 #define	ROM_START	0x00600400
 #define	ROM_LENGTH	0x1efc00
 #define	ROM_END		0x007f0000
 #define	RAMVEC_START	0x00000000
 #define	RAMVEC_LENGTH	0x400
 #define	RAM_START	0x00020000
 #define	RAM_LENGTH	0x5e0000
 #define	RAM_END		0x00600000
 #endif
 #endif

 #ifdef CONFIG_DRAGEN2
 #define	RAM_START	0x10000
 #define	RAM_LENGTH	0x7f0000
 #endif

 #ifdef CONFIG_UCQUICC
 #define	ROMVEC_START	0x00000000
 #define	ROMVEC_LENGTH	0x404
 #define	ROM_START	0x00000404
 #define	ROM_LENGTH	0x1ff6fc
 #define	ROM_END		0x00200000
 #define	RAMVEC_START	0x00200000
 #define	RAMVEC_LENGTH	0x404
 #define	RAM_START	0x00200404
 #define	RAM_LENGTH	0x1ff6fc
 #define	RAM_END		0x00400000
 #endif

 /*
  *	The standard Arnewsh 5206 board only has 1MiB of ram. Not normally
  *	enough to be useful. Assume the user has fitted something larger,
  *	at least 4MiB in size. No point in not letting the kernel completely
  *	link, it will be obvious if it is too big when they go to load it.
  */
 #if defined(CONFIG_ARN5206)
 #define	RAM_START	0x10000
 #define	RAM_LENGTH	0x3f0000
 #endif

 /*
  *	The Motorola 5206eLITE board only has 1MiB of static RAM.
  */
 #if defined(CONFIG_ELITE)
 #define	RAM_START	0x30020000
 #define	RAM_LENGTH	0xe0000
 #endif

 /*
  *	All the Motorola eval boards have the same basic arrangement.
  *	The end of RAM will vary depending on how much ram is fitted,
  *	but this isn't important here, we assume at least 4MiB.
  */
 #if defined(CONFIG_M5206eC3) || defined(CONFIG_M5249C3) || \
     defined(CONFIG_M5272C3) || defined(CONFIG_M5307C3) || \
     defined(CONFIG_ARN5307) || defined(CONFIG_M5407C3) || \
     defined(CONFIG_M5271EVB) || defined(CONFIG_M5275EVB) || \
     defined(CONFIG_M5235EVB)
 #define	RAM_START	0x20000
 #define	RAM_LENGTH	0x3e0000
 #endif

 /*
  *	The Freescale 5208EVB board has 32MB of RAM.
  */
 #if defined(CONFIG_M5208EVB)
 #define	RAM_START	0x40020000
 #define	RAM_LENGTH	0x01fe0000
 #endif

 /*
  *	The senTec COBRA5272 board has nearly the same memory layout as
  *	the M5272C3. We assume 16MiB ram.
  */
 #if defined(CONFIG_COBRA5272)
 #define RAM_START   0x20000
 #define RAM_LENGTH  0xfe0000
 #endif

 #if defined(CONFIG_M5282EVB)
 #define	RAM_START	0x10000
 #define	RAM_LENGTH	0x3f0000
 #endif

 /*
  *	The senTec COBRA5282 board has the same memory layout as the M5282EVB.
  */
 #if defined(CONFIG_COBRA5282)
 #define  RAM_START   0x10000
 #define  RAM_LENGTH  0x3f0000
 #endif


 /*
  *	The EMAC SoM-5282EM module.
  */
 #if defined(CONFIG_SOM5282EM)
 #define  RAM_START   0x10000
 #define  RAM_LENGTH  0xff0000
 #endif


 /*
  *	These flash boot boards use all of ram for operation. Again the
  *	actual memory size is not important here, assume at least 4MiB.
  *	They currently have no support for running in flash.
  */
 #if defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || \
     defined(CONFIG_DISKtel) || defined(CONFIG_SECUREEDGEMP3) || \
     defined(CONFIG_HW_FEITH)
 #define	RAM_START	0x400
 #define	RAM_LENGTH	0x3ffc00
 #endif

 /*
  *	Sneha Boards mimimun memory
  *	The end of RAM will vary depending on how much ram is fitted,
  *	but this isn't important here, we assume at least 4MiB.
  */
 #if defined(CONFIG_CPU16B)
 #define	RAM_START	0x20000
 #define	RAM_LENGTH	0x3e0000
 #endif

 #if defined(CONFIG_MOD5272)
 #define RAM_START	0x02000000
 #define RAM_LENGTH	0x00800000
 #define RAMVEC_START	0x20000000
 #define RAMVEC_LENGTH	0x00000400
 #endif

 #if defined(CONFIG_RAMKERNEL)
 #define	TEXT		ram
 #define	DATA		ram
 #define	INIT		ram
 #define	BSS		ram
 #endif
 #if defined(CONFIG_ROMKERNEL) || defined(CONFIG_HIMEMKERNEL)
 #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 {
 #ifdef RAMVEC_START
 	ramvec	: ORIGIN = RAMVEC_START, LENGTH = RAMVEC_LENGTH
 #endif
 	ram	: ORIGIN = RAM_START, LENGTH = RAM_LENGTH
 #ifdef RAM_END
 	eram	: ORIGIN = RAM_END, LENGTH = 0
 #endif
 #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
 #ifdef RAMVEC_START
 	. = RAMVEC_START ;
 	.ramvec : {
 		__ramvec = .;
 	} > ramvec
 #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

 #ifdef RAM_END
 	. = RAM_END ;
 	.eram : {
 		__ramend = . ;
 		_ramend = . ;
 	} > eram
 #endif
 }
	/*
	* vmlinux.lds.S -- master linker script for m68knommu arch
	*
	* (C) Copyright 2002-2004, 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 RAMVEC_START 0x00000000
	#define RAMVEC_LENGTH 0x400
	#define RAM_START 0x10000400
	#define RAM_LENGTH 0xffc00
	#define RAM_END 0x10100000
	#define _ramend _ram_end_notused
	#define DATA_ADDR RAM_START
	#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
	#define RAMVEC_START 0x00000000
	#define RAMVEC_LENGTH 0x400
	#define RAM_START 0x00020400
	#define RAM_LENGTH 0x7dfc00
	#define RAM_END 0x00800000
	#endif
	#ifdef CONFIG_ROMKERNEL
	#define ROMVEC_START 0x10c10000
	#define ROMVEC_LENGTH 0x400
	#define ROM_START 0x10c10400
	#define ROM_LENGTH 0x1efc00
	#define ROM_END 0x10e00000
	#define RAMVEC_START 0x00000000
	#define RAMVEC_LENGTH 0x400
	#define RAM_START 0x00020000
	#define RAM_LENGTH 0x600000
	#define RAM_END 0x00800000
	#endif
	#ifdef CONFIG_HIMEMKERNEL
	#define ROMVEC_START 0x00600000
	#define ROMVEC_LENGTH 0x400
	#define ROM_START 0x00600400
	#define ROM_LENGTH 0x1efc00
	#define ROM_END 0x007f0000
	#define RAMVEC_START 0x00000000
	#define RAMVEC_LENGTH 0x400
	#define RAM_START 0x00020000
	#define RAM_LENGTH 0x5e0000
	#define RAM_END 0x00600000
	#endif
	#endif

	#ifdef CONFIG_DRAGEN2
	#define RAM_START 0x10000
	#define RAM_LENGTH 0x7f0000
	#endif

	#ifdef CONFIG_UCQUICC
	#define ROMVEC_START 0x00000000
	#define ROMVEC_LENGTH 0x404
	#define ROM_START 0x00000404
	#define ROM_LENGTH 0x1ff6fc
	#define ROM_END 0x00200000
	#define RAMVEC_START 0x00200000
	#define RAMVEC_LENGTH 0x404
	#define RAM_START 0x00200404
	#define RAM_LENGTH 0x1ff6fc
	#define RAM_END 0x00400000
	#endif

	/*
	* The standard Arnewsh 5206 board only has 1MiB of ram. Not normally
	* enough to be useful. Assume the user has fitted something larger,
	* at least 4MiB in size. No point in not letting the kernel completely
	* link, it will be obvious if it is too big when they go to load it.
	*/
	#if defined(CONFIG_ARN5206)
	#define RAM_START 0x10000
	#define RAM_LENGTH 0x3f0000
	#endif

	/*
	* The Motorola 5206eLITE board only has 1MiB of static RAM.
	*/
	#if defined(CONFIG_ELITE)
	#define RAM_START 0x30020000
	#define RAM_LENGTH 0xe0000
	#endif

	/*
	* All the Motorola eval boards have the same basic arrangement.
	* The end of RAM will vary depending on how much ram is fitted,
	* but this isn't important here, we assume at least 4MiB.
	*/
	#if defined(CONFIG_M5206eC3) \|\| defined(CONFIG_M5249C3) \|\| \
	defined(CONFIG_M5272C3) \|\| defined(CONFIG_M5307C3) \|\| \
	defined(CONFIG_ARN5307) \|\| defined(CONFIG_M5407C3) \|\| \
	defined(CONFIG_M5271EVB) \|\| defined(CONFIG_M5275EVB) \|\| \
	defined(CONFIG_M5235EVB)
	#define RAM_START 0x20000
	#define RAM_LENGTH 0x3e0000
	#endif

	/*
	* The Freescale 5208EVB board has 32MB of RAM.
	*/
	#if defined(CONFIG_M5208EVB)
	#define RAM_START 0x40020000
	#define RAM_LENGTH 0x01fe0000
	#endif

	/*
	* The senTec COBRA5272 board has nearly the same memory layout as
	* the M5272C3. We assume 16MiB ram.
	*/
	#if defined(CONFIG_COBRA5272)
	#define RAM_START 0x20000
	#define RAM_LENGTH 0xfe0000
	#endif

	#if defined(CONFIG_M5282EVB)
	#define RAM_START 0x10000
	#define RAM_LENGTH 0x3f0000
	#endif

	/*
	* The senTec COBRA5282 board has the same memory layout as the M5282EVB.
	*/
	#if defined(CONFIG_COBRA5282)
	#define RAM_START 0x10000
	#define RAM_LENGTH 0x3f0000
	#endif


	/*
	* The EMAC SoM-5282EM module.
	*/
	#if defined(CONFIG_SOM5282EM)
	#define RAM_START 0x10000
	#define RAM_LENGTH 0xff0000
	#endif


	/*
	* These flash boot boards use all of ram for operation. Again the
	* actual memory size is not important here, assume at least 4MiB.
	* They currently have no support for running in flash.
	*/
	#if defined(CONFIG_NETtel) \|\| defined(CONFIG_eLIA) \|\| \
	defined(CONFIG_DISKtel) \|\| defined(CONFIG_SECUREEDGEMP3) \|\| \
	defined(CONFIG_HW_FEITH)
	#define RAM_START 0x400
	#define RAM_LENGTH 0x3ffc00
	#endif

	/*
	* Sneha Boards mimimun memory
	* The end of RAM will vary depending on how much ram is fitted,
	* but this isn't important here, we assume at least 4MiB.
	*/
	#if defined(CONFIG_CPU16B)
	#define RAM_START 0x20000
	#define RAM_LENGTH 0x3e0000
	#endif

	#if defined(CONFIG_MOD5272)
	#define RAM_START 0x02000000
	#define RAM_LENGTH 0x00800000
	#define RAMVEC_START 0x20000000
	#define RAMVEC_LENGTH 0x00000400
	#endif

	#if defined(CONFIG_RAMKERNEL)
	#define TEXT ram
	#define DATA ram
	#define INIT ram
	#define BSS ram
	#endif
	#if defined(CONFIG_ROMKERNEL) \|\| defined(CONFIG_HIMEMKERNEL)
	#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 {
	#ifdef RAMVEC_START
	ramvec : ORIGIN = RAMVEC_START, LENGTH = RAMVEC_LENGTH
	#endif
	ram : ORIGIN = RAM_START, LENGTH = RAM_LENGTH
	#ifdef RAM_END
	eram : ORIGIN = RAM_END, LENGTH = 0
	#endif
	#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
	#ifdef RAMVEC_START
	. = RAMVEC_START ;
	.ramvec : {
	__ramvec = .;
	} > ramvec
	#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

	#ifdef RAM_END
	. = RAM_END ;
	.eram : {
	__ramend = . ;
	_ramend = . ;
	} > eram
	#endif
	}