/* * vmlinux.lds.S -- master linker script for m68knommu arch * * (C) Copyright 2002-2004, Greg Ungerer * * 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 #include /* * 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 }