140 lines · 2.7 KB · Assembly
RawDownload
/* * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ OUTPUT_ARCH(microblaze)ENTRY(microblaze_start) #include <asm/page.h>#include <asm-generic/vmlinux.lds.h>#include <asm/thread_info.h> #ifdef __MICROBLAZEEL__jiffies = jiffies_64;#elsejiffies = jiffies_64 + 4;#endif SECTIONS {	. = CONFIG_KERNEL_START;	microblaze_start = CONFIG_KERNEL_BASE_ADDR;	.text : AT(ADDR(.text) - LOAD_OFFSET) {		_text = . ;		_stext = . ;		HEAD_TEXT		TEXT_TEXT		*(.fixup)		EXIT_TEXT		EXIT_CALL		SCHED_TEXT		LOCK_TEXT		KPROBES_TEXT		IRQENTRY_TEXT		. = ALIGN (4) ;		_etext = . ;	} 	. = ALIGN (4) ;	__fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {		_fdt_start = . ;		/* place for fdt blob */		*(__fdt_blob) ;			/* Any link-placed DTB */	        . = _fdt_start + 0x8000;	/* Pad up to 32kbyte */		_fdt_end = . ;	} 	. = ALIGN(16);	RODATA	EXCEPTION_TABLE(16)	NOTES 	/*	 * sdata2 section can go anywhere, but must be word aligned	 * and SDA2_BASE must point to the middle of it	 */	.sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {		_ssrw = .;		. = ALIGN(PAGE_SIZE); /* page aligned when MMU used */		*(.sdata2)	. = ALIGN(8);	_essrw = .;	_ssrw_size = _essrw - _ssrw;	_KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);	} 	_sdata = . ;	RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)	_edata = . ; 	/* Under the microblaze ABI, .sdata and .sbss must be contiguous */	. = ALIGN(8);	.sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {		_ssro = .;		*(.sdata)	} 	.sbss :	AT(ADDR(.sbss) - LOAD_OFFSET) {		_ssbss = .;		*(.sbss)		_esbss = .;		_essro = .;		_ssro_size = _essro - _ssro ;		_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;	} 	. = ALIGN(PAGE_SIZE);	__init_begin = .; 	INIT_TEXT_SECTION(PAGE_SIZE) 	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {		INIT_DATA	} 	. = ALIGN(4);	.init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {		__ivt_start = .;		*(.init.ivt)		__ivt_end = .;	} 	.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {		INIT_SETUP(0)	} 	.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {		INIT_CALLS	} 	.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {		CON_INITCALL	} 	SECURITY_INIT 	__init_end_before_initramfs = .; 	.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {		INIT_RAM_FS	} 	__init_end = .; 	.bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {		/* page aligned when MMU used */		__bss_start = . ;			*(.bss*)			*(COMMON)		. = ALIGN (4) ;		__bss_stop = . ;	}	. = ALIGN(PAGE_SIZE);	_end = .; 	DISCARDS}