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linux/arch/m68knommu/kernel/vmlinux.lds.S

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/*
* 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: Normal symbols */
__start___kcrctab = .;
*(__kcrctab)
__stop___kcrctab = .;
/* Kernel symbol table: GPL-only symbols */
__start___kcrctab_gpl = .;
*(__kcrctab_gpl)
__stop___kcrctab_gpl = .;
/* 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
}
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