diff STM32F10x_128k_20k_flash.ld @ 0:c59513fd84fb

Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
parents
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 ) ;