Mercurial > ~darius > hgwebdir.cgi > stm32temp
diff STM32F10x_128k_20k_flash.ld @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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children | f1c9a51e368a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/STM32F10x_128k_20k_flash.ld Mon Oct 03 21:19:15 2011 +1030 @@ -0,0 +1,310 @@ +/* +Default linker script for STM32F10x_128K_20K with GNU-ld +Martin Thomas, 9/2009 +A heavily modified "Default linker script for STM32F10x_512K_64K" +Copyright RAISONANCE S.A.S. 2008 found in the STM fw-library. +(there is not much left from Raisonance's code and nearly everything +has been modified or reordered) +*/ + +/* Program Entry, set to mark it as "used" and avoid gc */ +ENTRY(Reset_Handler) + +/* Memory Spaces Definitions */ +MEMORY +{ + RAM (RWX) : ORIGIN = 0x20000000+0, LENGTH = 20K-0 + EXTSRAM (RWX) : ORIGIN = 0x68000000, LENGTH = 0 + FLASH (RX) : ORIGIN = 0x08000000+0, LENGTH = 128K-2K-0 + EEMUL (RWX) : ORIGIN = 0x08000000+128k-2k, LENGTH = 2k + FLASHB1 (RX) : ORIGIN = 0x00000000, LENGTH = 0 + EXTMEMB0 (RX) : ORIGIN = 0x00000000, LENGTH = 0 + EXTMEMB1 (RX) : ORIGIN = 0x00000000, LENGTH = 0 + EXTMEMB2 (RX) : ORIGIN = 0x00000000, LENGTH = 0 + EXTMEMB3 (RX) : ORIGIN = 0x00000000, LENGTH = 0 +} + +/* higher address of the user mode stack */ +_estack = ORIGIN(RAM)+LENGTH(RAM); + +/* start of the two 1kByte pages used by EEprom emulation at end of flash */ +_seemul = ORIGIN(EEMUL); + +/* There will be a link error if there is not this amount of RAM free at the end. */ +_Minimum_Stack_Size = 0x100 ; + +/* Check valid alignment for VTOR */ +ASSERT(ORIGIN(FLASH) == ALIGN(ORIGIN(FLASH), 0x80), "Start of memory region flash not aligned for startup vector table"); + +/* Sections Definitions */ + +SECTIONS +{ + + /* the program code is stored in the .text section, which goes to Flash */ + .text : + { + . = ALIGN(0x80); /* PM0056, Rev.1 (4/2009), 4.3.3 */ + _isr_vectorsflash_offs = . - 0x08000000; + KEEP(*(.isr_vectorsflash)) + . = ALIGN(4); + CREATE_OBJECT_SYMBOLS + *(.text .text.* .gnu.linkonce.t.*) + *(.plt) + *(.gnu.warning) + *(.glue_7t) *(.glue_7) *(.vfp11_veneer) + *(.ARM.extab* .gnu.linkonce.armextab.*) + *(.gcc_except_table) + } >FLASH + + .eh_frame_hdr : ALIGN (4) + { + KEEP (*(.eh_frame_hdr)) + } >FLASH + .eh_frame : ALIGN (4) + { + KEEP (*(.eh_frame)) + } >FLASH + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } >FLASH + __exidx_end = .; + + .rodata : ALIGN (4) + { + *(.rodata .rodata.* .gnu.linkonce.r.*) + + . = ALIGN(4); + KEEP(*(.init)) + + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + . = ALIGN(0x4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(0x4); + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + *(.init .init.*) + *(.fini .fini.*) + + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE_HIDDEN (__fini_array_end = .); + + . = ALIGN (8); + *(.rom) + *(.rom.b) + _etext = .; + /* This is used by the startup in order to initialize the .data secion */ + _sidata = _etext; + } >FLASH + + /* This is the initialized data section + The program executes knowing that the data is in the RAM + but the loader puts the initial values in the FLASH (inidata). + It is one task of the startup to copy the initial values from FLASH to RAM. */ + .data : ALIGN (8) + { + /* This is used by the startup in order to initialize the .data section */ + _sdata = . ; + + . = ALIGN(0x80); + _isr_vectorsram_offs = . - 0x20000000; + KEEP(*(.isr_vectorsram)) + + . = ALIGN(4); + KEEP(*(.jcr)) + *(.got.plt) *(.got) + *(.shdata) + *(.data .data.* .gnu.linkonce.d.*) + . = ALIGN (8); + *(.ram) + *(.ramfunc*) + . = ALIGN(4); + /* This is used by the startup in order to initialize the .data section */ + _edata = .; + } >RAM AT>FLASH + + /* This is the uninitialized data section */ + .bss (NOLOAD): + { + . = ALIGN(4); + /* This is used by the startup in order to initialize the .bss section */ + _sbss = .; + *(.shbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + . = ALIGN (8); + *(.ram.b) + . = ALIGN(4); + /* This is used by the startup in order to initialize the .bss section */ + _ebss = . ; + _end = .; + __end = .; + } >RAM AT>FLASH + + + /* This is the user stack section + This is just to check that there is enough RAM left for the User mode stack + It should generate an error if it's full. + */ + ._usrstack (NOLOAD): + { + . = ALIGN(4); + _susrstack = . ; + . = . + _Minimum_Stack_Size ; + . = ALIGN(4); + _eusrstack = . ; + } >RAM + + + /* this is the FLASH Bank1 */ + /* the C or assembly source must explicitly place the code or data there + using the "section" attribute */ + .b1text : + { + *(.b1text) /* remaining code */ + *(.b1rodata) /* read-only data (constants) */ + *(.b1rodata*) + } >FLASHB1 + + /* this is the EXTMEM */ + /* the C or assembly source must explicitly place the code or data there + using the "section" attribute */ + + /* EXTMEM Bank0 */ + .eb0text : + { + *(.eb0text) /* remaining code */ + *(.eb0rodata) /* read-only data (constants) */ + *(.eb0rodata*) + } >EXTMEMB0 + + /* EXTMEM Bank1 */ + .eb1text : + { + *(.eb1text) /* remaining code */ + *(.eb1rodata) /* read-only data (constants) */ + *(.eb1rodata*) + } >EXTMEMB1 + + /* EXTMEM Bank2 */ + .eb2text : + { + *(.eb2text) /* remaining code */ + *(.eb2rodata) /* read-only data (constants) */ + *(.eb2rodata*) + } >EXTMEMB2 + + /* EXTMEM Bank0 */ + .eb3text : + { + *(.eb3text) /* remaining code */ + *(.eb3rodata) /* read-only data (constants) */ + *(.eb3rodata*) + } >EXTMEMB3 + + + + /* after that it's only debugging information. */ + + /* remove the debugging information from the standard libraries */ +/* DISCARD : + { + libc.a ( * ) + libm.a ( * ) + libgcc.a ( * ) + } +*/ + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* DWARF 3 */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + + .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) } + .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } + /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) } +} + +/* mthomas: from the STM example - moved here for now to keep it as reference, not + used in the project (useful anyway?)*/ + +/* default stack size(s). These are used by the startup in order to allocate stacks for +the different modes. */ +__Stack_Size = 1024 ; + +PROVIDE ( _Stack_Size = __Stack_Size ) ; +__Stack_Init = _estack - __Stack_Size ; + +/*"PROVIDE" allows to easily override these values from an object file or the commmand line.*/ +PROVIDE ( _Stack_Init = __Stack_Init ) ;