/* * File: arch/blackfin/kernel/vmlinux.lds.S * Based on: none - original work * Author: * * Created: Tue Sep 21 2004 * Description: Master linker script for blackfin architecture * * Modified: * Copyright 2004-2007 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see the file COPYING, or write * to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #define VMLINUX_SYMBOL(_sym_) _##_sym_ #include #include #include #include OUTPUT_FORMAT("elf32-bfin") ENTRY(__start) _jiffies = _jiffies_64; SECTIONS { . = CONFIG_BOOT_LOAD; /* Neither the text, ro_data or bss section need to be aligned * So pack them back to back */ .text : { __text = .; _text = .; __stext = .; TEXT_TEXT SCHED_TEXT LOCK_TEXT KPROBES_TEXT *(.text.*) *(.fixup) #if !L1_CODE_LENGTH *(.l1.text) #endif . = ALIGN(16); ___start___ex_table = .; *(__ex_table) ___stop___ex_table = .; __etext = .; } NOTES /* Just in case the first read only is a 32-bit access */ RO_DATA(4) .bss : { . = ALIGN(4); ___bss_start = .; *(.bss .bss.*) *(COMMON) #if !L1_DATA_A_LENGTH *(.l1.bss) #endif #if !L1_DATA_B_LENGTH *(.l1.bss.B) #endif . = ALIGN(4); ___bss_stop = .; } .data : { __sdata = .; /* This gets done first, so the glob doesn't suck it in */ . = ALIGN(32); *(.data.cacheline_aligned) #if !L1_DATA_A_LENGTH . = ALIGN(32); *(.data_l1.cacheline_aligned) *(.l1.data) #endif #if !L1_DATA_B_LENGTH *(.l1.data.B) #endif #if !L2_LENGTH . = ALIGN(32); *(.data_l2.cacheline_aligned) *(.l2.data) #endif DATA_DATA CONSTRUCTORS /* make sure the init_task is aligned to the * kernel thread size so we can locate the kernel * stack properly and quickly. */ . = ALIGN(THREAD_SIZE); *(.init_task.data) __edata = .; } /* The init section should be last, so when we free it, it goes into * the general memory pool, and (hopefully) will decrease fragmentation * a tiny bit. The init section has a _requirement_ that it be * PAGE_SIZE aligned */ . = ALIGN(PAGE_SIZE); ___init_begin = .; .init.text : { . = ALIGN(PAGE_SIZE); __sinittext = .; INIT_TEXT __einittext = .; } .init.data : { . = ALIGN(16); INIT_DATA } .init.setup : { . = ALIGN(16); ___setup_start = .; *(.init.setup) ___setup_end = .; } .initcall.init : { ___initcall_start = .; INITCALLS ___initcall_end = .; } .con_initcall.init : { ___con_initcall_start = .; *(.con_initcall.init) ___con_initcall_end = .; } PERCPU(4) SECURITY_INIT .init.ramfs : { . = ALIGN(4); ___initramfs_start = .; *(.init.ramfs) . = ALIGN(4); ___initramfs_end = .; } __l1_lma_start = .; .text_l1 L1_CODE_START : AT(LOADADDR(.init.ramfs) + SIZEOF(.init.ramfs)) { . = ALIGN(4); __stext_l1 = .; *(.l1.text) . = ALIGN(4); __etext_l1 = .; } .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1)) { . = ALIGN(4); __sdata_l1 = .; *(.l1.data) __edata_l1 = .; . = ALIGN(32); *(.data_l1.cacheline_aligned) . = ALIGN(4); __sbss_l1 = .; *(.l1.bss) . = ALIGN(4); __ebss_l1 = .; } .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1)) { . = ALIGN(4); __sdata_b_l1 = .; *(.l1.data.B) __edata_b_l1 = .; . = ALIGN(4); __sbss_b_l1 = .; *(.l1.bss.B) . = ALIGN(4); __ebss_b_l1 = .; } __l2_lma_start = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1); .text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1)) { . = ALIGN(4); __stext_l2 = .; *(.l2.text) . = ALIGN(4); __etext_l2 = .; . = ALIGN(4); __sdata_l2 = .; *(.l2.data) __edata_l2 = .; . = ALIGN(32); *(.data_l2.cacheline_aligned) . = ALIGN(4); __sbss_l2 = .; *(.l2.bss) . = ALIGN(4); __ebss_l2 = .; } /* Force trailing alignment of our init section so that when we * free our init memory, we don't leave behind a partial page. */ . = LOADADDR(.text_data_l2) + SIZEOF(.text_data_l2); . = ALIGN(PAGE_SIZE); ___init_end = .; __end =.; STABS_DEBUG DWARF_DEBUG /DISCARD/ : { EXIT_TEXT EXIT_DATA *(.exitcall.exit) } }