1 /*******************************************************************************
2 * (c) Copyright 2009-2013 Microsemi SoC Products Group. All rights reserved.
4 * SmartFusion2 Cortex-M3 linker script creating an executable image for use in
5 * the Libero flow for relocating executable from internal eNVM to external RAM
6 * before starting execution.
8 * SVN $Revision: 5269 $
9 * SVN $Date: 2013-03-21 20:53:38 +0000 (Thu, 21 Mar 2013) $
11 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
19 /*******************************************************************************
20 * Start of board customization.
21 *******************************************************************************/
24 /* SmartFusion2 internal eNVM */
25 rom (rx) : ORIGIN = 0, LENGTH = 256k
27 /* SmartFusion2 internal eSRAM */
28 esram (rwx) : ORIGIN = 0x20000000, LENGTH = 64k
30 /* SmartFusion2 development board external RAM */
31 external_ram (rwx) : ORIGIN = 0x70000000, LENGTH = 2M
34 RAM_START_ADDRESS = 0x20000000; /* Must be the same value as MEMORY region esram ORIGIN above. */
35 RAM_SIZE = 64k; /* Must be the same value as MEMORY region esram LENGTH above. */
36 MAIN_STACK_SIZE = 8k; /* Cortex main stack size. */
37 PROCESS_STACK_SIZE = 4k; /* Cortex process stack size (only available with OS extensions).*/
39 /*******************************************************************************
40 * End of board customization.
41 *******************************************************************************/
43 PROVIDE (__main_stack_start = RAM_START_ADDRESS + RAM_SIZE);
44 PROVIDE (__process_stack_start = __main_stack_start - MAIN_STACK_SIZE);
45 PROVIDE (_estack = __main_stack_start);
46 PROVIDE (__mirrored_nvm = 0); /* Indicate to startup code that NVM is not mirrored to VMA address .text copy is required. */
52 __vector_table_vma_base_address = .;
54 /* SystemInit() is called before relocation to RAM so keep in ROM */
55 *system_m2sxxx.o(.text*)
62 __text_load = LOADADDR(.text);
65 *(.text .text.* .gnu.linkonce.t.*)
68 *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
71 /* These are for running static constructors and destructors under ELF. */
72 KEEP (*crtbegin.o(.ctors))
73 KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
74 KEEP (*(SORT(.ctors.*)))
75 KEEP (*crtend.o(.ctors))
76 KEEP (*crtbegin.o(.dtors))
77 KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
78 KEEP (*(SORT(.dtors.*)))
79 KEEP (*crtend.o(.dtors))
81 *(.rodata .rodata.* .gnu.linkonce.r.*)
83 *(.ARM.extab* .gnu.linkonce.armextab.*)
91 PROVIDE_HIDDEN (__preinit_array_start = .);
92 KEEP (*(.preinit_array))
93 PROVIDE_HIDDEN (__preinit_array_end = .);
94 PROVIDE_HIDDEN (__init_array_start = .);
95 KEEP (*(SORT(.init_array.*)))
97 PROVIDE_HIDDEN (__init_array_end = .);
98 PROVIDE_HIDDEN (__fini_array_start = .);
100 KEEP (*(SORT(.fini_array.*)))
101 PROVIDE_HIDDEN (__fini_array_end = .);
102 } >external_ram AT>rom
103 /* .ARM.exidx is sorted, so has to go in its own output section. */
107 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
108 } >external_ram AT>rom
114 __data_load = LOADADDR(.data);
115 _sidata = LOADADDR (.data);
121 *(.data .data.* .gnu.linkonce.d.*)
131 *(.bss .bss.* .gnu.linkonce.b.*)
146 .stabstr 0 (NOLOAD) :
150 /* DWARF debug sections.
151 Symbols in the DWARF debugging sections are relative to the beginning
152 of the section so we begin them at 0. */
154 .debug 0 : { *(.debug) }
155 .line 0 : { *(.line) }
156 /* GNU DWARF 1 extensions */
157 .debug_srcinfo 0 : { *(.debug_srcinfo) }
158 .debug_sfnames 0 : { *(.debug_sfnames) }
159 /* DWARF 1.1 and DWARF 2 */
160 .debug_aranges 0 : { *(.debug_aranges) }
161 .debug_pubnames 0 : { *(.debug_pubnames) }
163 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
164 .debug_abbrev 0 : { *(.debug_abbrev) }
165 .debug_line 0 : { *(.debug_line) }
166 .debug_frame 0 : { *(.debug_frame) }
167 .debug_str 0 : { *(.debug_str) }
168 .debug_loc 0 : { *(.debug_loc) }
169 .debug_macinfo 0 : { *(.debug_macinfo) }
170 /* SGI/MIPS DWARF 2 extensions */
171 .debug_weaknames 0 : { *(.debug_weaknames) }
172 .debug_funcnames 0 : { *(.debug_funcnames) }
173 .debug_typenames 0 : { *(.debug_typenames) }
174 .debug_varnames 0 : { *(.debug_varnames) }
175 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
176 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
177 /DISCARD/ : { *(.note.GNU-stack) }