1/*
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
11OUTPUT_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze")
12OUTPUT_ARCH(microblaze)
13ENTRY(_start)
14
15#include <asm-generic/vmlinux.lds.h>
16
17jiffies = jiffies_64 + 4;
18
19SECTIONS {
20	. = CONFIG_KERNEL_BASE_ADDR;
21
22	.text : {
23		_text = . ;
24		_stext = . ;
25		*(.text .text.*)
26		*(.fixup)
27
28		*(.exitcall.exit)
29		SCHED_TEXT
30		LOCK_TEXT
31		KPROBES_TEXT
32		. = ALIGN (4) ;
33		_etext = . ;
34	}
35
36	. = ALIGN (4) ;
37	_fdt_start = . ; /* place for fdt blob */
38	. = . + 0x4000;
39	_fdt_end = . ;
40
41	. = ALIGN(16);
42	RODATA
43	. = ALIGN(16);
44	__ex_table : {
45		__start___ex_table = .;
46		*(__ex_table)
47		__stop___ex_table = .;
48	}
49
50	/*
51	 * sdata2 section can go anywhere, but must be word aligned
52	 * and SDA2_BASE must point to the middle of it
53	 */
54	.sdata2 : {
55		_ssrw = .;
56		. = ALIGN(4096); /* page aligned when MMU used - origin 0x8 */
57		*(.sdata2)
58	. = ALIGN(8);
59	_essrw = .;
60	_ssrw_size = _essrw - _ssrw;
61	_KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
62	}
63
64	_sdata = . ;
65	.data ALIGN (4096) : { /* page aligned when MMU used - origin 0x4 */
66		*(.data)
67	}
68	. = ALIGN(32);
69	.data.cacheline_aligned : { *(.data.cacheline_aligned) }
70	_edata = . ;
71
72	/* Reserve some low RAM for r0 based memory references */
73	. = ALIGN(0x4) ;
74	r0_ram = . ;
75	. = . +  4096;	/* a page should be enough */
76
77	/* The initial task */
78	. = ALIGN(8192);
79	.data.init_task : { *(.data.init_task) }
80
81	/* Under the microblaze ABI, .sdata and .sbss must be contiguous */
82	. = ALIGN(8);
83	.sdata : {
84		_ssro = .;
85		*(.sdata)
86	}
87
88	.sbss :	{
89		_ssbss = .;
90		*(.sbss)
91		_esbss = .;
92		_essro = .;
93		_ssro_size = _essro - _ssro ;
94		_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
95	}
96
97	__init_begin = .;
98
99	. = ALIGN(4096);
100	.init.text : {
101		_sinittext = . ;
102		*(.init.text)
103		*(.exit.text)
104		*(.exit.data)
105		_einittext = .;
106	}
107
108	.init.data : { *(.init.data) }
109
110	. = ALIGN(4);
111	.init.ivt : {
112		__ivt_start = .;
113		*(.init.ivt)
114		__ivt_end = .;
115	}
116
117	.init.setup : {
118		__setup_start = .;
119		*(.init.setup)
120		__setup_end = .;
121	}
122
123	.initcall.init : {
124		__initcall_start = .;
125		INITCALLS
126		__initcall_end = .;
127	}
128
129	.con_initcall.init : {
130		__con_initcall_start = .;
131		*(.con_initcall.init)
132		__con_initcall_end = .;
133	}
134
135	__init_end_before_initramfs = .;
136
137	.init.ramfs ALIGN(4096) : {
138		__initramfs_start = .;
139		*(.init.ramfs)
140		__initramfs_end = .;
141		. = ALIGN(4);
142		LONG(0);
143/*
144 * FIXME this can break initramfs for MMU.
145 * Pad init.ramfs up to page boundary,
146 * so that __init_end == __bss_start. This will make image.elf
147 * consistent with the image.bin
148 */
149		/* . = ALIGN(4096); */
150	}
151	__init_end = .;
152
153	.bss ALIGN (4096) : { /* page aligned when MMU used */
154		__bss_start = . ;
155			*(.bss*)
156			*(COMMON)
157		. = ALIGN (4) ;
158		__bss_stop = . ;
159		_ebss = . ;
160	}
161	. = ALIGN(4096);
162	_end = .;
163}
164