xref: /linux/arch/microblaze/kernel/vmlinux.lds.S (revision 0883c2c06fb5bcf5b9e008270827e63c09a88c1e) 
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_ARCH(microblaze)
12ENTRY(microblaze_start)
13
14#include <asm/page.h>
15#include <asm-generic/vmlinux.lds.h>
16#include <asm/thread_info.h>
17
18#ifdef __MICROBLAZEEL__
19jiffies = jiffies_64;
20#else
21jiffies = jiffies_64 + 4;
22#endif
23
24SECTIONS {
25	. = CONFIG_KERNEL_START;
26	microblaze_start = CONFIG_KERNEL_BASE_ADDR;
27	.text : AT(ADDR(.text) - LOAD_OFFSET) {
28		_text = . ;
29		_stext = . ;
30		HEAD_TEXT
31		TEXT_TEXT
32		*(.fixup)
33		EXIT_TEXT
34		EXIT_CALL
35		SCHED_TEXT
36		LOCK_TEXT
37		KPROBES_TEXT
38		IRQENTRY_TEXT
39		SOFTIRQENTRY_TEXT
40		. = ALIGN (4) ;
41		_etext = . ;
42	}
43
44	. = ALIGN (4) ;
45	__fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
46		_fdt_start = . ;		/* place for fdt blob */
47		*(__fdt_blob) ;			/* Any link-placed DTB */
48	        . = _fdt_start + 0x8000;	/* Pad up to 32kbyte */
49		_fdt_end = . ;
50	}
51
52	. = ALIGN(16);
53	RODATA
54	EXCEPTION_TABLE(16)
55	NOTES
56
57	/*
58	 * sdata2 section can go anywhere, but must be word aligned
59	 * and SDA2_BASE must point to the middle of it
60	 */
61	.sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
62		_ssrw = .;
63		. = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
64		*(.sdata2)
65	. = ALIGN(8);
66	_essrw = .;
67	_ssrw_size = _essrw - _ssrw;
68	_KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
69	}
70
71	_sdata = . ;
72	RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
73	_edata = . ;
74
75	/* Under the microblaze ABI, .sdata and .sbss must be contiguous */
76	. = ALIGN(8);
77	.sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
78		_ssro = .;
79		*(.sdata)
80	}
81
82	.sbss :	AT(ADDR(.sbss) - LOAD_OFFSET) {
83		_ssbss = .;
84		*(.sbss)
85		_esbss = .;
86		_essro = .;
87		_ssro_size = _essro - _ssro ;
88		_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
89	}
90
91	. = ALIGN(PAGE_SIZE);
92	__init_begin = .;
93
94	INIT_TEXT_SECTION(PAGE_SIZE)
95
96	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
97		INIT_DATA
98	}
99
100	. = ALIGN(4);
101	.init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
102		__ivt_start = .;
103		*(.init.ivt)
104		__ivt_end = .;
105	}
106
107	.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
108		INIT_SETUP(0)
109	}
110
111	.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
112		INIT_CALLS
113	}
114
115	.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
116		CON_INITCALL
117	}
118
119	SECURITY_INIT
120
121	__init_end_before_initramfs = .;
122
123	.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
124		INIT_RAM_FS
125	}
126
127	__init_end = .;
128
129	.bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
130		/* page aligned when MMU used */
131		__bss_start = . ;
132			*(.bss*)
133			*(COMMON)
134		. = ALIGN (4) ;
135		__bss_stop = . ;
136	}
137	. = ALIGN(PAGE_SIZE);
138	_end = .;
139
140	DISCARDS
141}
142