Commit | Line | Data |
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1394f032 | 1 | /* |
96f1050d | 2 | * Copyright 2004-2009 Analog Devices Inc. |
1394f032 | 3 | * |
96f1050d | 4 | * Licensed under the GPL-2 or later |
1394f032 BW |
5 | */ |
6 | ||
7 | #define VMLINUX_SYMBOL(_sym_) _##_sym_ | |
8 | ||
9 | #include <asm-generic/vmlinux.lds.h> | |
10 | #include <asm/mem_map.h> | |
520473b0 | 11 | #include <asm/page.h> |
0fa63ad7 | 12 | #include <asm/thread_info.h> |
1394f032 | 13 | |
1394f032 BW |
14 | OUTPUT_FORMAT("elf32-bfin") |
15 | ENTRY(__start) | |
16 | _jiffies = _jiffies_64; | |
17 | ||
1394f032 BW |
18 | SECTIONS |
19 | { | |
20 | . = CONFIG_BOOT_LOAD; | |
b7627acc MF |
21 | /* Neither the text, ro_data or bss section need to be aligned |
22 | * So pack them back to back | |
23 | */ | |
1394f032 BW |
24 | .text : |
25 | { | |
de6a9520 MF |
26 | __text = .; |
27 | _text = .; | |
28 | __stext = .; | |
7664709b | 29 | TEXT_TEXT |
b8d0c778 | 30 | #ifndef CONFIG_SCHEDULE_L1 |
1394f032 | 31 | SCHED_TEXT |
b8d0c778 | 32 | #endif |
de6a9520 | 33 | LOCK_TEXT |
1ee76d7e | 34 | IRQENTRY_TEXT |
27d875f2 MF |
35 | KPROBES_TEXT |
36 | *(.text.*) | |
de6a9520 MF |
37 | *(.fixup) |
38 | ||
bc6e0fa1 MF |
39 | #if !L1_CODE_LENGTH |
40 | *(.l1.text) | |
41 | #endif | |
42 | ||
1394f032 | 43 | . = ALIGN(16); |
de6a9520 | 44 | ___start___ex_table = .; |
1394f032 | 45 | *(__ex_table) |
de6a9520 | 46 | ___stop___ex_table = .; |
1394f032 | 47 | |
1394f032 | 48 | __etext = .; |
de6a9520 MF |
49 | } |
50 | ||
6f985294 BS |
51 | NOTES |
52 | ||
b7627acc MF |
53 | /* Just in case the first read only is a 32-bit access */ |
54 | RO_DATA(4) | |
55 | ||
56 | .bss : | |
57 | { | |
58 | . = ALIGN(4); | |
59 | ___bss_start = .; | |
60 | *(.bss .bss.*) | |
61 | *(COMMON) | |
bc6e0fa1 MF |
62 | #if !L1_DATA_A_LENGTH |
63 | *(.l1.bss) | |
64 | #endif | |
65 | #if !L1_DATA_B_LENGTH | |
66 | *(.l1.bss.B) | |
67 | #endif | |
13752046 | 68 | . = ALIGN(4); |
b7627acc MF |
69 | ___bss_stop = .; |
70 | } | |
de6a9520 MF |
71 | |
72 | .data : | |
73 | { | |
74 | __sdata = .; | |
b7627acc | 75 | /* This gets done first, so the glob doesn't suck it in */ |
4a5e3513 | 76 | CACHELINE_ALIGNED_DATA(32) |
de6a9520 | 77 | |
b85b82d9 SZ |
78 | #if !L1_DATA_A_LENGTH |
79 | . = ALIGN(32); | |
80 | *(.data_l1.cacheline_aligned) | |
bc6e0fa1 MF |
81 | *(.l1.data) |
82 | #endif | |
83 | #if !L1_DATA_B_LENGTH | |
84 | *(.l1.data.B) | |
b85b82d9 | 85 | #endif |
07aa7be5 | 86 | #if !L2_LENGTH |
262c3825 SZ |
87 | . = ALIGN(32); |
88 | *(.data_l2.cacheline_aligned) | |
89 | *(.l2.data) | |
90 | #endif | |
b85b82d9 | 91 | |
27d875f2 | 92 | DATA_DATA |
27d875f2 MF |
93 | CONSTRUCTORS |
94 | ||
4a5e3513 | 95 | INIT_TASK_DATA(THREAD_SIZE) |
b7627acc | 96 | |
de6a9520 MF |
97 | __edata = .; |
98 | } | |
1394f032 | 99 | |
b7627acc MF |
100 | /* The init section should be last, so when we free it, it goes into |
101 | * the general memory pool, and (hopefully) will decrease fragmentation | |
102 | * a tiny bit. The init section has a _requirement_ that it be | |
103 | * PAGE_SIZE aligned | |
104 | */ | |
105 | . = ALIGN(PAGE_SIZE); | |
de6a9520 | 106 | ___init_begin = .; |
27d875f2 | 107 | |
4a5e3513 TA |
108 | INIT_TEXT_SECTION(PAGE_SIZE) |
109 | . = ALIGN(16); | |
110 | INIT_DATA_SECTION(16) | |
46fa5eec | 111 | PERCPU(4) |
70f12567 MF |
112 | |
113 | /* we have to discard exit text and such at runtime, not link time, to | |
114 | * handle embedded cross-section references (alt instructions, bug | |
115 | * table, eh_frame, etc...) | |
116 | */ | |
117 | .exit.text : | |
118 | { | |
119 | EXIT_TEXT | |
120 | } | |
121 | .exit.data : | |
122 | { | |
123 | EXIT_DATA | |
124 | } | |
125 | ||
de6a9520 | 126 | __l1_lma_start = .; |
1394f032 | 127 | |
4a5e3513 | 128 | .text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data)) |
1394f032 BW |
129 | { |
130 | . = ALIGN(4); | |
de6a9520 | 131 | __stext_l1 = .; |
bc6e0fa1 | 132 | *(.l1.text) |
b8d0c778 RG |
133 | #ifdef CONFIG_SCHEDULE_L1 |
134 | SCHED_TEXT | |
135 | #endif | |
1394f032 | 136 | . = ALIGN(4); |
de6a9520 MF |
137 | __etext_l1 = .; |
138 | } | |
4636b301 | 139 | ASSERT (SIZEOF(.text_l1) <= L1_CODE_LENGTH, "L1 text overflow!") |
1394f032 | 140 | |
de6a9520 | 141 | .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1)) |
1394f032 BW |
142 | { |
143 | . = ALIGN(4); | |
de6a9520 | 144 | __sdata_l1 = .; |
bc6e0fa1 | 145 | *(.l1.data) |
de6a9520 | 146 | __edata_l1 = .; |
1394f032 | 147 | |
1394f032 | 148 | . = ALIGN(32); |
bc6e0fa1 | 149 | *(.data_l1.cacheline_aligned) |
1394f032 | 150 | |
262c3825 SZ |
151 | . = ALIGN(4); |
152 | __sbss_l1 = .; | |
153 | *(.l1.bss) | |
1394f032 | 154 | . = ALIGN(4); |
de6a9520 MF |
155 | __ebss_l1 = .; |
156 | } | |
8d7ac69f | 157 | ASSERT (SIZEOF(.data_l1) <= L1_DATA_A_LENGTH, "L1 data A overflow!") |
de6a9520 MF |
158 | |
159 | .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1)) | |
1394f032 BW |
160 | { |
161 | . = ALIGN(4); | |
162 | __sdata_b_l1 = .; | |
bc6e0fa1 | 163 | *(.l1.data.B) |
1394f032 BW |
164 | __edata_b_l1 = .; |
165 | ||
166 | . = ALIGN(4); | |
167 | __sbss_b_l1 = .; | |
bc6e0fa1 | 168 | *(.l1.bss.B) |
1394f032 BW |
169 | . = ALIGN(4); |
170 | __ebss_b_l1 = .; | |
de6a9520 | 171 | } |
4636b301 | 172 | ASSERT (SIZEOF(.data_b_l1) <= L1_DATA_B_LENGTH, "L1 data B overflow!") |
1394f032 | 173 | |
6f985294 | 174 | __l2_lma_start = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1); |
262c3825 SZ |
175 | |
176 | .text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1)) | |
177 | { | |
178 | . = ALIGN(4); | |
179 | __stext_l2 = .; | |
07aa7be5 | 180 | *(.l2.text) |
262c3825 SZ |
181 | . = ALIGN(4); |
182 | __etext_l2 = .; | |
183 | ||
184 | . = ALIGN(4); | |
185 | __sdata_l2 = .; | |
07aa7be5 | 186 | *(.l2.data) |
262c3825 SZ |
187 | __edata_l2 = .; |
188 | ||
189 | . = ALIGN(32); | |
190 | *(.data_l2.cacheline_aligned) | |
191 | ||
192 | . = ALIGN(4); | |
193 | __sbss_l2 = .; | |
07aa7be5 | 194 | *(.l2.bss) |
262c3825 SZ |
195 | . = ALIGN(4); |
196 | __ebss_l2 = .; | |
197 | } | |
8d7ac69f | 198 | ASSERT (SIZEOF(.text_data_l2) <= L2_LENGTH, "L2 overflow!") |
6f985294 | 199 | |
36208059 MF |
200 | /* Force trailing alignment of our init section so that when we |
201 | * free our init memory, we don't leave behind a partial page. | |
202 | */ | |
6f985294 | 203 | . = LOADADDR(.text_data_l2) + SIZEOF(.text_data_l2); |
36208059 MF |
204 | . = ALIGN(PAGE_SIZE); |
205 | ___init_end = .; | |
206 | ||
b7627acc | 207 | __end =.; |
de6a9520 | 208 | |
c11b5776 MF |
209 | STABS_DEBUG |
210 | ||
211 | DWARF_DEBUG | |
212 | ||
023bf6f1 | 213 | DISCARDS |
1394f032 | 214 | } |