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
11 OUTPUT_ARCH(microblaze)
12 ENTRY(microblaze_start)
13
14 #define RO_EXCEPTION_TABLE_ALIGN 16
15
16 #include <asm/cache.h>
17 #include <asm/page.h>
18 #include <asm-generic/vmlinux.lds.h>
19 #include <asm/thread_info.h>
20
21 #ifdef __MICROBLAZEEL__
22 jiffies = jiffies_64;
23 #else
24 jiffies = jiffies_64 + 4;
25 #endif
26
27 SECTIONS {
28 . = CONFIG_KERNEL_START;
29 microblaze_start = CONFIG_KERNEL_BASE_ADDR;
30 .text : AT(ADDR(.text) - LOAD_OFFSET) {
31 _text = . ;
32 _stext = . ;
33 HEAD_TEXT
34 TEXT_TEXT
35 *(.fixup)
36 EXIT_TEXT
37 EXIT_CALL
38 SCHED_TEXT
39 LOCK_TEXT
40 KPROBES_TEXT
41 IRQENTRY_TEXT
42 SOFTIRQENTRY_TEXT
43 . = ALIGN (4) ;
44 _etext = . ;
45 }
46
47 . = ALIGN (8) ;
48 __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
49 _fdt_start = . ; /* place for fdt blob */
50 *(__fdt_blob) ; /* Any link-placed DTB */
51 . = _fdt_start + 0x10000; /* Pad up to 64kbyte */
52 _fdt_end = . ;
53 }
54
55 . = ALIGN(16);
56 RO_DATA(4096)
57
58 /*
59 * sdata2 section can go anywhere, but must be word aligned
60 * and SDA2_BASE must point to the middle of it
61 */
62 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
63 _ssrw = .;
64 . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
65 *(.sdata2)
66 . = ALIGN(8);
67 _essrw = .;
68 _ssrw_size = _essrw - _ssrw;
69 _KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
70 }
71
72 _sdata = . ;
73 RW_DATA(32, PAGE_SIZE, THREAD_SIZE)
74 _edata = . ;
75
76 /* Under the microblaze ABI, .sdata and .sbss must be contiguous */
77 . = ALIGN(8);
78 .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
79 _ssro = .;
80 *(.sdata)
81 }
82
83 .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {
84 _ssbss = .;
85 *(.sbss)
86 _esbss = .;
87 _essro = .;
88 _ssro_size = _essro - _ssro ;
89 _KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
90 }
91
92 PERCPU_SECTION(L1_CACHE_BYTES)
93
94 . = ALIGN(PAGE_SIZE);
95 __init_begin = .;
96
97 INIT_TEXT_SECTION(PAGE_SIZE)
98
99 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
100 INIT_DATA
101 }
102
103 . = ALIGN(4);
104 .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
105 __ivt_start = .;
106 *(.init.ivt)
107 __ivt_end = .;
108 }
109
110 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
111 INIT_SETUP(0)
112 }
113
114 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
115 INIT_CALLS
116 }
117
118 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
119 CON_INITCALL
120 }
121
122 __init_end_before_initramfs = .;
123
124 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
125 INIT_RAM_FS
126 }
127
128 __init_end = .;
129
130 .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
131 /* page aligned when MMU used */
132 __bss_start = . ;
133 *(.bss*)
134 *(COMMON)
135 . = ALIGN (4) ;
136 __bss_stop = . ;
137 }
138 . = ALIGN(PAGE_SIZE);
139 _end = .;
140
141 DISCARDS
142 }
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