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comparison STM32F10x_512k_64k_flash.ld @ 0:c59513fd84fb

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Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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-1:000000000000 0:c59513fd84fb
1 /*
2 Default linker script for STM32F10x_512K_64K with GNU-ld
3 Martin Thomas, 9/2009
4 A heavily modified "Default linker script for STM32F10x_512K_64K"
5 Copyright RAISONANCE S.A.S. 2008 found in the STM fw-library.
6 (there is not much left from Raisonance's code and nearly everything
7 has been modified or reordered)
8 */
9
10 /* Program Entry, set to mark it as "used" and avoid gc */
11 ENTRY(Reset_Handler)
12
13 /* Memory Spaces Definitions */
14 MEMORY
15 {
16 RAM (RWX) : ORIGIN = 0x20000000+0, LENGTH = 64K-0
17 EXTSRAM (RWX) : ORIGIN = 0x68000000, LENGTH = 0
18 FLASH (RX) : ORIGIN = 0x08000000+0, LENGTH = 512K-2K-0
19 EEMUL (RWX) : ORIGIN = 0x08000000+512k-2k, LENGTH = 2k
20 FLASHB1 (RX) : ORIGIN = 0x00000000, LENGTH = 0
21 EXTMEMB0 (RX) : ORIGIN = 0x00000000, LENGTH = 0
22 EXTMEMB1 (RX) : ORIGIN = 0x00000000, LENGTH = 0
23 EXTMEMB2 (RX) : ORIGIN = 0x00000000, LENGTH = 0
24 EXTMEMB3 (RX) : ORIGIN = 0x00000000, LENGTH = 0
25 }
26
27 /* higher address of the user mode stack */
28 _estack = ORIGIN(RAM)+LENGTH(RAM);
29
30 /* start of the two 1kByte pages used by EEprom emulation at end of flash */
31 _seemul = ORIGIN(EEMUL);
32
33 /* There will be a link error if there is not this amount of RAM free at the end. */
34 _Minimum_Stack_Size = 0x100 ;
35
36 /* Check valid alignment for VTOR */
37 ASSERT(ORIGIN(FLASH) == ALIGN(ORIGIN(FLASH), 0x80), "Start of memory region flash not aligned for startup vector table");
38
39 /* Sections Definitions */
40
41 SECTIONS
42 {
43
44 /* the program code is stored in the .text section, which goes to Flash */
45 .text :
46 {
47 . = ALIGN(0x80); /* PM0056, Rev.1 (4/2009), 4.3.3 */
48 _isr_vectorsflash_offs = . - 0x08000000;
49 KEEP(*(.isr_vectorsflash))
50 . = ALIGN(4);
51 CREATE_OBJECT_SYMBOLS
52 *(.text .text.* .gnu.linkonce.t.*)
53 *(.plt)
54 *(.gnu.warning)
55 *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
56 *(.ARM.extab* .gnu.linkonce.armextab.*)
57 *(.gcc_except_table)
58 } >FLASH
59
60 .eh_frame_hdr : ALIGN (4)
61 {
62 KEEP (*(.eh_frame_hdr))
63 } >FLASH
64 .eh_frame : ALIGN (4)
65 {
66 KEEP (*(.eh_frame))
67 } >FLASH
68
69 /* .ARM.exidx is sorted, so has to go in its own output section. */
70 __exidx_start = .;
71 .ARM.exidx :
72 {
73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
74 } >FLASH
75 __exidx_end = .;
76
77 .rodata : ALIGN (4)
78 {
79 *(.rodata .rodata.* .gnu.linkonce.r.*)
80
81 . = ALIGN(4);
82 KEEP(*(.init))
83
84 . = ALIGN(4);
85 __preinit_array_start = .;
86 KEEP (*(.preinit_array))
87 __preinit_array_end = .;
88
89 . = ALIGN(4);
90 __init_array_start = .;
91 KEEP (*(SORT(.init_array.*)))
92 KEEP (*(.init_array))
93 __init_array_end = .;
94
95 . = ALIGN(4);
96 KEEP(*(.fini))
97
98 . = ALIGN(4);
99 __fini_array_start = .;
100 KEEP (*(.fini_array))
101 KEEP (*(SORT(.fini_array.*)))
102 __fini_array_end = .;
103
104 . = ALIGN(0x4);
105 KEEP (*crtbegin.o(.ctors))
106 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
107 KEEP (*(SORT(.ctors.*)))
108 KEEP (*crtend.o(.ctors))
109
110 . = ALIGN(0x4);
111 KEEP (*crtbegin.o(.dtors))
112 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
113 KEEP (*(SORT(.dtors.*)))
114 KEEP (*crtend.o(.dtors))
115
116 *(.init .init.*)
117 *(.fini .fini.*)
118
119 PROVIDE_HIDDEN (__preinit_array_start = .);
120 KEEP (*(.preinit_array))
121 PROVIDE_HIDDEN (__preinit_array_end = .);
122 PROVIDE_HIDDEN (__init_array_start = .);
123 KEEP (*(SORT(.init_array.*)))
124 KEEP (*(.init_array))
125 PROVIDE_HIDDEN (__init_array_end = .);
126 PROVIDE_HIDDEN (__fini_array_start = .);
127 KEEP (*(.fini_array))
128 KEEP (*(SORT(.fini_array.*)))
129 PROVIDE_HIDDEN (__fini_array_end = .);
130
131 . = ALIGN (8);
132 *(.rom)
133 *(.rom.b)
134 _etext = .;
135 /* This is used by the startup in order to initialize the .data secion */
136 _sidata = _etext;
137 } >FLASH
138
139 /* This is the initialized data section
140 The program executes knowing that the data is in the RAM
141 but the loader puts the initial values in the FLASH (inidata).
142 It is one task of the startup to copy the initial values from FLASH to RAM. */
143 .data : ALIGN (8)
144 {
145 /* This is used by the startup in order to initialize the .data section */
146 _sdata = . ;
147
148 . = ALIGN(0x80);
149 _isr_vectorsram_offs = . - 0x20000000;
150 KEEP(*(.isr_vectorsram))
151
152 . = ALIGN(4);
153 KEEP(*(.jcr))
154 *(.got.plt) *(.got)
155 *(.shdata)
156 *(.data .data.* .gnu.linkonce.d.*)
157 . = ALIGN (8);
158 *(.ram)
159 *(.ramfunc*)
160 . = ALIGN(4);
161 /* This is used by the startup in order to initialize the .data section */
162 _edata = .;
163 } >RAM AT>FLASH
164
165 /* This is the uninitialized data section */
166 .bss (NOLOAD):
167 {
168 . = ALIGN(4);
169 /* This is used by the startup in order to initialize the .bss section */
170 _sbss = .;
171 *(.shbss)
172 *(.bss .bss.* .gnu.linkonce.b.*)
173 *(COMMON)
174 . = ALIGN (8);
175 *(.ram.b)
176 . = ALIGN(4);
177 /* This is used by the startup in order to initialize the .bss section */
178 _ebss = . ;
179 _end = .;
180 __end = .;
181 } >RAM AT>FLASH
182
183
184 /* This is the user stack section
185 This is just to check that there is enough RAM left for the User mode stack
186 It should generate an error if it's full.
187 */
188 ._usrstack (NOLOAD):
189 {
190 . = ALIGN(4);
191 _susrstack = . ;
192 . = . + _Minimum_Stack_Size ;
193 . = ALIGN(4);
194 _eusrstack = . ;
195 } >RAM
196
197
198 /* this is the FLASH Bank1 */
199 /* the C or assembly source must explicitly place the code or data there
200 using the "section" attribute */
201 .b1text :
202 {
203 *(.b1text) /* remaining code */
204 *(.b1rodata) /* read-only data (constants) */
205 *(.b1rodata*)
206 } >FLASHB1
207
208 /* this is the EXTMEM */
209 /* the C or assembly source must explicitly place the code or data there
210 using the "section" attribute */
211
212 /* EXTMEM Bank0 */
213 .eb0text :
214 {
215 *(.eb0text) /* remaining code */
216 *(.eb0rodata) /* read-only data (constants) */
217 *(.eb0rodata*)
218 } >EXTMEMB0
219
220 /* EXTMEM Bank1 */
221 .eb1text :
222 {
223 *(.eb1text) /* remaining code */
224 *(.eb1rodata) /* read-only data (constants) */
225 *(.eb1rodata*)
226 } >EXTMEMB1
227
228 /* EXTMEM Bank2 */
229 .eb2text :
230 {
231 *(.eb2text) /* remaining code */
232 *(.eb2rodata) /* read-only data (constants) */
233 *(.eb2rodata*)
234 } >EXTMEMB2
235
236 /* EXTMEM Bank0 */
237 .eb3text :
238 {
239 *(.eb3text) /* remaining code */
240 *(.eb3rodata) /* read-only data (constants) */
241 *(.eb3rodata*)
242 } >EXTMEMB3
243
244
245
246 /* after that it's only debugging information. */
247
248 /* remove the debugging information from the standard libraries */
249 /* DISCARD :
250 {
251 libc.a ( * )
252 libm.a ( * )
253 libgcc.a ( * )
254 }
255 */
256
257 /* Stabs debugging sections. */
258 .stab 0 : { *(.stab) }
259 .stabstr 0 : { *(.stabstr) }
260 .stab.excl 0 : { *(.stab.excl) }
261 .stab.exclstr 0 : { *(.stab.exclstr) }
262 .stab.index 0 : { *(.stab.index) }
263 .stab.indexstr 0 : { *(.stab.indexstr) }
264 .comment 0 : { *(.comment) }
265 /* DWARF debug sections.
266 Symbols in the DWARF debugging sections are relative to the beginning
267 of the section so we begin them at 0. */
268 /* DWARF 1 */
269 .debug 0 : { *(.debug) }
270 .line 0 : { *(.line) }
271 /* GNU DWARF 1 extensions */
272 .debug_srcinfo 0 : { *(.debug_srcinfo) }
273 .debug_sfnames 0 : { *(.debug_sfnames) }
274 /* DWARF 1.1 and DWARF 2 */
275 .debug_aranges 0 : { *(.debug_aranges) }
276 .debug_pubnames 0 : { *(.debug_pubnames) }
277 /* DWARF 2 */
278 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
279 .debug_abbrev 0 : { *(.debug_abbrev) }
280 .debug_line 0 : { *(.debug_line) }
281 .debug_frame 0 : { *(.debug_frame) }
282 .debug_str 0 : { *(.debug_str) }
283 .debug_loc 0 : { *(.debug_loc) }
284 .debug_macinfo 0 : { *(.debug_macinfo) }
285 /* SGI/MIPS DWARF 2 extensions */
286 .debug_weaknames 0 : { *(.debug_weaknames) }
287 .debug_funcnames 0 : { *(.debug_funcnames) }
288 .debug_typenames 0 : { *(.debug_typenames) }
289 .debug_varnames 0 : { *(.debug_varnames) }
290 /* DWARF 3 */
291 .debug_pubtypes 0 : { *(.debug_pubtypes) }
292 .debug_ranges 0 : { *(.debug_ranges) }
293
294 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
295 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
296 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
297 }
298
299 /* mthomas: from the STM example - moved here for now to keep it as reference, not
300 used in the project (useful anyway?)*/
301
302 /* default stack size(s). These are used by the startup in order to allocate stacks for
303 the different modes. */
304 __Stack_Size = 1024 ;
305
306 PROVIDE ( _Stack_Size = __Stack_Size ) ;
307 __Stack_Init = _estack - __Stack_Size ;
308
309 /*"PROVIDE" allows to easily override these values from an object file or the commmand line.*/
310 PROVIDE ( _Stack_Init = __Stack_Init ) ;