blob: be9488d697347c330f9b226d1a5a5c9ba2d97714 [file] [log] [blame]
Michal Simek16bfeaf2009-03-27 14:25:20 +01001/*
2 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2008-2009 PetaLogix
4 * Copyright (C) 2006 Atmark Techno, Inc.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
Michal Simek16bfeaf2009-03-27 14:25:20 +010011OUTPUT_ARCH(microblaze)
Michal Simekca28b512010-07-28 09:29:11 +020012ENTRY(microblaze_start)
Michal Simek16bfeaf2009-03-27 14:25:20 +010013
Tim Abbott8cc11f52009-09-06 23:10:10 -040014#include <asm/page.h>
Michal Simeka061dd52009-09-22 09:58:56 +020015#include <asm-generic/vmlinux.lds.h>
Tim Abbott8cc11f52009-09-06 23:10:10 -040016#include <asm/thread_info.h>
Michal Simek16bfeaf2009-03-27 14:25:20 +010017
Michal Simek02b08042010-09-28 16:04:14 +100018#ifdef __MICROBLAZEEL__
19jiffies = jiffies_64;
20#else
Michal Simek16bfeaf2009-03-27 14:25:20 +010021jiffies = jiffies_64 + 4;
Michal Simek02b08042010-09-28 16:04:14 +100022#endif
Michal Simek16bfeaf2009-03-27 14:25:20 +010023
24SECTIONS {
Michal Simekd4c12852009-05-26 16:30:24 +020025 . = CONFIG_KERNEL_START;
Michal Simekca28b512010-07-28 09:29:11 +020026 microblaze_start = CONFIG_KERNEL_BASE_ADDR;
Michal Simeka061dd52009-09-22 09:58:56 +020027 .text : AT(ADDR(.text) - LOAD_OFFSET) {
Michal Simek16bfeaf2009-03-27 14:25:20 +010028 _text = . ;
29 _stext = . ;
Steven J. Magnani7a0248e2010-04-09 22:03:37 -050030 HEAD_TEXT
31 TEXT_TEXT
Michal Simek16bfeaf2009-03-27 14:25:20 +010032 *(.fixup)
Michal Simek7cf79d52009-11-06 12:27:25 +010033 EXIT_TEXT
34 EXIT_CALL
Michal Simek16bfeaf2009-03-27 14:25:20 +010035 SCHED_TEXT
36 LOCK_TEXT
37 KPROBES_TEXT
Michal Simek7cf79d52009-11-06 12:27:25 +010038 IRQENTRY_TEXT
Michal Simek16bfeaf2009-03-27 14:25:20 +010039 . = ALIGN (4) ;
40 _etext = . ;
41 }
42
43 . = ALIGN (4) ;
Michal Simeka061dd52009-09-22 09:58:56 +020044 __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
45 _fdt_start = . ; /* place for fdt blob */
46 *(__fdt_blob) ; /* Any link-placed DTB */
Michal Simek3a1d2672011-07-13 15:26:09 +020047 . = _fdt_start + 0x8000; /* Pad up to 32kbyte */
Michal Simeka061dd52009-09-22 09:58:56 +020048 _fdt_end = . ;
49 }
Michal Simek16bfeaf2009-03-27 14:25:20 +010050
51 . = ALIGN(16);
52 RODATA
Tim Abbott8cc11f52009-09-06 23:10:10 -040053 EXCEPTION_TABLE(16)
Michal Simek0f7e3642014-01-27 10:50:42 +010054 NOTES
Michal Simek16bfeaf2009-03-27 14:25:20 +010055
56 /*
57 * sdata2 section can go anywhere, but must be word aligned
58 * and SDA2_BASE must point to the middle of it
59 */
Michal Simeka061dd52009-09-22 09:58:56 +020060 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
Michal Simek16bfeaf2009-03-27 14:25:20 +010061 _ssrw = .;
Steven J. Magnaniba9c4f82010-05-13 10:48:27 -050062 . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
Michal Simek16bfeaf2009-03-27 14:25:20 +010063 *(.sdata2)
64 . = ALIGN(8);
65 _essrw = .;
66 _ssrw_size = _essrw - _ssrw;
67 _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
68 }
69
70 _sdata = . ;
Tim Abbott8cc11f52009-09-06 23:10:10 -040071 RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
Michal Simek16bfeaf2009-03-27 14:25:20 +010072 _edata = . ;
73
Michal Simek16bfeaf2009-03-27 14:25:20 +010074 /* Under the microblaze ABI, .sdata and .sbss must be contiguous */
75 . = ALIGN(8);
Michal Simeka061dd52009-09-22 09:58:56 +020076 .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
Michal Simek16bfeaf2009-03-27 14:25:20 +010077 _ssro = .;
78 *(.sdata)
79 }
80
Michal Simeka061dd52009-09-22 09:58:56 +020081 .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {
Michal Simek16bfeaf2009-03-27 14:25:20 +010082 _ssbss = .;
83 *(.sbss)
84 _esbss = .;
85 _essro = .;
86 _ssro_size = _essro - _ssro ;
87 _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
88 }
89
Michal Simek13cdee22009-10-30 14:41:52 +010090 . = ALIGN(PAGE_SIZE);
Michal Simek16bfeaf2009-03-27 14:25:20 +010091 __init_begin = .;
92
Tim Abbott8cc11f52009-09-06 23:10:10 -040093 INIT_TEXT_SECTION(PAGE_SIZE)
Michal Simek16bfeaf2009-03-27 14:25:20 +010094
Michal Simeka061dd52009-09-22 09:58:56 +020095 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
Michal Simek05bf7d42009-06-20 14:24:01 +020096 INIT_DATA
97 }
Michal Simek16bfeaf2009-03-27 14:25:20 +010098
99 . = ALIGN(4);
Michal Simeka061dd52009-09-22 09:58:56 +0200100 .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
Michal Simek16bfeaf2009-03-27 14:25:20 +0100101 __ivt_start = .;
102 *(.init.ivt)
103 __ivt_end = .;
104 }
105
Michal Simeka061dd52009-09-22 09:58:56 +0200106 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
Tim Abbott8cc11f52009-09-06 23:10:10 -0400107 INIT_SETUP(0)
Michal Simek16bfeaf2009-03-27 14:25:20 +0100108 }
109
Michal Simeka061dd52009-09-22 09:58:56 +0200110 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
Tim Abbott8cc11f52009-09-06 23:10:10 -0400111 INIT_CALLS
Michal Simek16bfeaf2009-03-27 14:25:20 +0100112 }
113
Michal Simeka061dd52009-09-22 09:58:56 +0200114 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
Tim Abbott8cc11f52009-09-06 23:10:10 -0400115 CON_INITCALL
Michal Simek16bfeaf2009-03-27 14:25:20 +0100116 }
117
Arnd Bergmann6b437422009-05-01 21:36:44 +0000118 SECURITY_INIT
119
Michal Simek16bfeaf2009-03-27 14:25:20 +0100120 __init_end_before_initramfs = .;
121
Michal Simek8cb473da2010-11-02 18:04:04 +0100122 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
123 INIT_RAM_FS
Michal Simek16bfeaf2009-03-27 14:25:20 +0100124 }
Michal Simek8cb473da2010-11-02 18:04:04 +0100125
Michal Simek16bfeaf2009-03-27 14:25:20 +0100126 __init_end = .;
127
Steven J. Magnaniba9c4f82010-05-13 10:48:27 -0500128 .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
Michal Simeka061dd52009-09-22 09:58:56 +0200129 /* page aligned when MMU used */
Michal Simek16bfeaf2009-03-27 14:25:20 +0100130 __bss_start = . ;
131 *(.bss*)
132 *(COMMON)
133 . = ALIGN (4) ;
134 __bss_stop = . ;
Michal Simek16bfeaf2009-03-27 14:25:20 +0100135 }
Steven J. Magnaniba9c4f82010-05-13 10:48:27 -0500136 . = ALIGN(PAGE_SIZE);
Michal Simek16bfeaf2009-03-27 14:25:20 +0100137 _end = .;
Tejun Heo405d9672009-06-24 15:13:38 +0900138
Tejun Heo023bf6f2009-07-09 11:27:40 +0900139 DISCARDS
Michal Simek16bfeaf2009-03-27 14:25:20 +0100140}