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 | ||
1394f032 BW |
7 | #include <asm-generic/vmlinux.lds.h> |
8 | #include <asm/mem_map.h> | |
520473b0 | 9 | #include <asm/page.h> |
0fa63ad7 | 10 | #include <asm/thread_info.h> |
1394f032 | 11 | |
1394f032 BW |
12 | OUTPUT_FORMAT("elf32-bfin") |
13 | ENTRY(__start) | |
14 | _jiffies = _jiffies_64; | |
15 | ||
1394f032 BW |
16 | SECTIONS |
17 | { | |
18 | . = CONFIG_BOOT_LOAD; | |
b7627acc MF |
19 | /* Neither the text, ro_data or bss section need to be aligned |
20 | * So pack them back to back | |
21 | */ | |
1394f032 BW |
22 | .text : |
23 | { | |
de6a9520 MF |
24 | __text = .; |
25 | _text = .; | |
26 | __stext = .; | |
7664709b | 27 | TEXT_TEXT |
b8d0c778 | 28 | #ifndef CONFIG_SCHEDULE_L1 |
1394f032 | 29 | SCHED_TEXT |
b8d0c778 | 30 | #endif |
de6a9520 | 31 | LOCK_TEXT |
1ee76d7e | 32 | IRQENTRY_TEXT |
27d875f2 MF |
33 | KPROBES_TEXT |
34 | *(.text.*) | |
de6a9520 MF |
35 | *(.fixup) |
36 | ||
bc6e0fa1 MF |
37 | #if !L1_CODE_LENGTH |
38 | *(.l1.text) | |
39 | #endif | |
40 | ||
1394f032 | 41 | . = ALIGN(16); |
de6a9520 | 42 | ___start___ex_table = .; |
1394f032 | 43 | *(__ex_table) |
de6a9520 | 44 | ___stop___ex_table = .; |
1394f032 | 45 | |
1394f032 | 46 | __etext = .; |
de6a9520 MF |
47 | } |
48 | ||
6f985294 BS |
49 | NOTES |
50 | ||
b7627acc MF |
51 | /* Just in case the first read only is a 32-bit access */ |
52 | RO_DATA(4) | |
53 | ||
54 | .bss : | |
55 | { | |
56 | . = ALIGN(4); | |
57 | ___bss_start = .; | |
58 | *(.bss .bss.*) | |
59 | *(COMMON) | |
bc6e0fa1 MF |
60 | #if !L1_DATA_A_LENGTH |
61 | *(.l1.bss) | |
62 | #endif | |
63 | #if !L1_DATA_B_LENGTH | |
64 | *(.l1.bss.B) | |
65 | #endif | |
13752046 | 66 | . = ALIGN(4); |
b7627acc MF |
67 | ___bss_stop = .; |
68 | } | |
de6a9520 MF |
69 | |
70 | .data : | |
71 | { | |
72 | __sdata = .; | |
b7627acc | 73 | /* This gets done first, so the glob doesn't suck it in */ |
4a5e3513 | 74 | CACHELINE_ALIGNED_DATA(32) |
de6a9520 | 75 | |
b85b82d9 SZ |
76 | #if !L1_DATA_A_LENGTH |
77 | . = ALIGN(32); | |
78 | *(.data_l1.cacheline_aligned) | |
bc6e0fa1 MF |
79 | *(.l1.data) |
80 | #endif | |
81 | #if !L1_DATA_B_LENGTH | |
82 | *(.l1.data.B) | |
b85b82d9 | 83 | #endif |
07aa7be5 | 84 | #if !L2_LENGTH |
262c3825 SZ |
85 | . = ALIGN(32); |
86 | *(.data_l2.cacheline_aligned) | |
87 | *(.l2.data) | |
88 | #endif | |
b85b82d9 | 89 | |
27d875f2 | 90 | DATA_DATA |
27d875f2 MF |
91 | CONSTRUCTORS |
92 | ||
4a5e3513 | 93 | INIT_TASK_DATA(THREAD_SIZE) |
b7627acc | 94 | |
de6a9520 MF |
95 | __edata = .; |
96 | } | |
1394f032 | 97 | |
b7627acc MF |
98 | /* The init section should be last, so when we free it, it goes into |
99 | * the general memory pool, and (hopefully) will decrease fragmentation | |
100 | * a tiny bit. The init section has a _requirement_ that it be | |
101 | * PAGE_SIZE aligned | |
102 | */ | |
103 | . = ALIGN(PAGE_SIZE); | |
de6a9520 | 104 | ___init_begin = .; |
27d875f2 | 105 | |
4a5e3513 TA |
106 | INIT_TEXT_SECTION(PAGE_SIZE) |
107 | . = ALIGN(16); | |
108 | INIT_DATA_SECTION(16) | |
46fa5eec | 109 | PERCPU(4) |
70f12567 MF |
110 | |
111 | /* we have to discard exit text and such at runtime, not link time, to | |
112 | * handle embedded cross-section references (alt instructions, bug | |
113 | * table, eh_frame, etc...) | |
114 | */ | |
115 | .exit.text : | |
116 | { | |
117 | EXIT_TEXT | |
118 | } | |
119 | .exit.data : | |
120 | { | |
121 | EXIT_DATA | |
122 | } | |
123 | ||
4a5e3513 | 124 | .text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data)) |
1394f032 BW |
125 | { |
126 | . = ALIGN(4); | |
de6a9520 | 127 | __stext_l1 = .; |
bc6e0fa1 | 128 | *(.l1.text) |
b8d0c778 RG |
129 | #ifdef CONFIG_SCHEDULE_L1 |
130 | SCHED_TEXT | |
131 | #endif | |
1394f032 | 132 | . = ALIGN(4); |
de6a9520 MF |
133 | __etext_l1 = .; |
134 | } | |
5cd82a6d MF |
135 | __text_l1_lma = LOADADDR(.text_l1); |
136 | __text_l1_len = SIZEOF(.text_l1); | |
137 | ASSERT (__text_l1_len <= L1_CODE_LENGTH, "L1 text overflow!") | |
1394f032 | 138 | |
5cd82a6d | 139 | .data_l1 L1_DATA_A_START : AT(__text_l1_lma + __text_l1_len) |
1394f032 BW |
140 | { |
141 | . = ALIGN(4); | |
de6a9520 | 142 | __sdata_l1 = .; |
bc6e0fa1 | 143 | *(.l1.data) |
de6a9520 | 144 | __edata_l1 = .; |
1394f032 | 145 | |
1394f032 | 146 | . = ALIGN(32); |
bc6e0fa1 | 147 | *(.data_l1.cacheline_aligned) |
1394f032 | 148 | |
262c3825 SZ |
149 | . = ALIGN(4); |
150 | __sbss_l1 = .; | |
151 | *(.l1.bss) | |
1394f032 | 152 | . = ALIGN(4); |
de6a9520 MF |
153 | __ebss_l1 = .; |
154 | } | |
5cd82a6d MF |
155 | __data_l1_lma = LOADADDR(.data_l1); |
156 | __data_l1_len = SIZEOF(.data_l1); | |
157 | ASSERT (__data_l1_len <= L1_DATA_A_LENGTH, "L1 data A overflow!") | |
de6a9520 | 158 | |
5cd82a6d | 159 | .data_b_l1 L1_DATA_B_START : AT(__data_l1_lma + __data_l1_len) |
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 | } |
5cd82a6d MF |
172 | __data_b_l1_lma = LOADADDR(.data_b_l1); |
173 | __data_b_l1_len = SIZEOF(.data_b_l1); | |
174 | ASSERT (__data_b_l1_len <= L1_DATA_B_LENGTH, "L1 data B overflow!") | |
262c3825 | 175 | |
5cd82a6d | 176 | .text_data_l2 L2_START : AT(__data_b_l1_lma + __data_b_l1_len) |
262c3825 SZ |
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 | } | |
5cd82a6d MF |
198 | __l2_lma = LOADADDR(.text_data_l2); |
199 | __l2_len = SIZEOF(.text_data_l2); | |
200 | ASSERT (__l2_len <= L2_LENGTH, "L2 overflow!") | |
6f985294 | 201 | |
36208059 MF |
202 | /* Force trailing alignment of our init section so that when we |
203 | * free our init memory, we don't leave behind a partial page. | |
204 | */ | |
5cd82a6d | 205 | . = __l2_lma + __l2_len; |
36208059 MF |
206 | . = ALIGN(PAGE_SIZE); |
207 | ___init_end = .; | |
208 | ||
b7627acc | 209 | __end =.; |
de6a9520 | 210 | |
c11b5776 MF |
211 | STABS_DEBUG |
212 | ||
213 | DWARF_DEBUG | |
214 | ||
023bf6f1 | 215 | DISCARDS |
1394f032 | 216 | } |