From 0737130e57c3b44603bd7f05324d57fc6852d1eb Mon Sep 17 00:00:00 2001 From: Olaf Hagendorf Date: Wed, 26 Nov 2014 12:31:02 +0100 Subject: [PATCH] [STM32F3xx] linker script reorganisation --- .../{STM32F303.ld => STM32F303XC.ld} | 18 +- .../TOOLCHAIN_GCC_ARM/STM32F334X8.ld} | 18 +- .../TOOLCHAIN_GCC_ARM/STM32F302X8.ld} | 14 +- .../TOOLCHAIN_GCC_ARM/STM32F302X8_FLASH.ld | 167 ------------------ .../TOOLCHAIN_GCC_ARM/STM32F334x8.ld | 155 ++++++++++++++++ 5 files changed, 183 insertions(+), 189 deletions(-) rename libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/{STM32F303.ld => STM32F303XC.ld} (95%) rename libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/{TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld => TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/STM32F334X8.ld} (91%) rename libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/{TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld => TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8.ld} (92%) delete mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8_FLASH.ld create mode 100644 libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/STM32F334x8.ld diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303XC.ld similarity index 95% rename from libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303.ld rename to libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303XC.ld index 7569245a5c..ef993dcbe7 100644 --- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303.ld +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303XC.ld @@ -1,5 +1,3 @@ -/* Linker script for STM32F */ - /* Linker script to configure memory regions. */ MEMORY { @@ -33,6 +31,7 @@ MEMORY * __StackLimit * __StackTop * __stack + * _estack */ ENTRY(Reset_Handler) @@ -42,7 +41,6 @@ SECTIONS { KEEP(*(.isr_vector)) *(.text*) - /* KEEP(.ioview) */ KEEP(*(.init)) KEEP(*(.fini)) @@ -78,12 +76,12 @@ SECTIONS __exidx_end = .; __etext = .; - _sidata = .; - + _sidata = .; + .data : AT (__etext) { __data_start__ = .; - _sdata = .; + _sdata = .; *(vtable) *(.data*) @@ -112,7 +110,7 @@ SECTIONS . = ALIGN(4); /* All data end */ __data_end__ = .; - _edata = .; + _edata = .; } > RAM @@ -120,12 +118,12 @@ SECTIONS { . = ALIGN(4); __bss_start__ = .; - _sbss = .; + _sbss = .; *(.bss*) *(COMMON) . = ALIGN(4); __bss_end__ = .; - _ebss = .; + _ebss = .; } > RAM .heap (COPY): @@ -147,7 +145,7 @@ SECTIONS /* Set stack top to end of RAM, and stack limit move down by * size of stack_dummy section */ __StackTop = ORIGIN(RAM) + LENGTH(RAM); - _estack = __StackTop; + _estack = __StackTop; __StackLimit = __StackTop - SIZEOF(.stack_dummy); PROVIDE(__stack = __StackTop); diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/STM32F334X8.ld similarity index 91% rename from libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld rename to libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/STM32F334X8.ld index 74da8fa887..bc7407e292 100644 --- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/STM32F334X8.ld @@ -1,11 +1,9 @@ -/* Linker script for STM32F407 */ - /* Linker script to configure memory regions. */ MEMORY { - FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 0x10000 - RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 0x3000 - 0x0188 -/* CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 0x1000 */ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K + CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 4K + RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 12K - 0x0188 } /* Linker script to place sections and symbol values. Should be used together @@ -33,6 +31,7 @@ MEMORY * __StackLimit * __StackTop * __stack + * _estack */ ENTRY(Reset_Handler) @@ -42,7 +41,6 @@ SECTIONS { KEEP(*(.isr_vector)) *(.text*) - KEEP(*(.init)) KEEP(*(.fini)) @@ -78,10 +76,12 @@ SECTIONS __exidx_end = .; __etext = .; - + _sidata = .; + .data : AT (__etext) { __data_start__ = .; + _sdata = .; *(vtable) *(.data*) @@ -110,6 +110,7 @@ SECTIONS . = ALIGN(4); /* All data end */ __data_end__ = .; + _edata = .; } > RAM @@ -117,10 +118,12 @@ SECTIONS { . = ALIGN(4); __bss_start__ = .; + _sbss = .; *(.bss*) *(COMMON) . = ALIGN(4); __bss_end__ = .; + _ebss = .; } > RAM .heap (COPY): @@ -142,6 +145,7 @@ SECTIONS /* Set stack top to end of RAM, and stack limit move down by * size of stack_dummy section */ __StackTop = ORIGIN(RAM) + LENGTH(RAM); + _estack = __StackTop; __StackLimit = __StackTop - SIZEOF(.stack_dummy); PROVIDE(__stack = __StackTop); diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8.ld similarity index 92% rename from libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld rename to libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8.ld index 74da8fa887..1f4696d31f 100644 --- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/TOOLCHAIN_GCC_ARM/NUCLEO_F334R8.ld +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8.ld @@ -1,11 +1,8 @@ -/* Linker script for STM32F407 */ - /* Linker script to configure memory regions. */ MEMORY { - FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 0x10000 - RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 0x3000 - 0x0188 -/* CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 0x1000 */ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K + RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 16K - 0x188 } /* Linker script to place sections and symbol values. Should be used together @@ -33,6 +30,7 @@ MEMORY * __StackLimit * __StackTop * __stack + * _estack */ ENTRY(Reset_Handler) @@ -78,10 +76,12 @@ SECTIONS __exidx_end = .; __etext = .; + _sidata = .; .data : AT (__etext) { __data_start__ = .; + _sdata = .; *(vtable) *(.data*) @@ -110,6 +110,7 @@ SECTIONS . = ALIGN(4); /* All data end */ __data_end__ = .; + _edata = .; } > RAM @@ -117,10 +118,12 @@ SECTIONS { . = ALIGN(4); __bss_start__ = .; + _sbss = .; *(.bss*) *(COMMON) . = ALIGN(4); __bss_end__ = .; + _ebss = .; } > RAM .heap (COPY): @@ -142,6 +145,7 @@ SECTIONS /* Set stack top to end of RAM, and stack limit move down by * size of stack_dummy section */ __StackTop = ORIGIN(RAM) + LENGTH(RAM); + _estack = __StackTop; __StackLimit = __StackTop - SIZEOF(.stack_dummy); PROVIDE(__stack = __StackTop); diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8_FLASH.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8_FLASH.ld deleted file mode 100644 index 227a5ded06..0000000000 --- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/TOOLCHAIN_GCC_ARM/STM32F302X8_FLASH.ld +++ /dev/null @@ -1,167 +0,0 @@ -/* -***************************************************************************** -** -** File : STM32F302X8_FLASH.ld -** -** Abstract : Linker script for STM32F302x8 device with -** 64-KByte FLASH, 16-KByte RAM -** -** Set heap size, stack size and stack location according -** to application requirements. -** -** Set memory bank area and size if external memory is used. -** -** Target : STMicroelectronics STM32 -** -** Environment : Atollic TrueSTUDIO(R) -** -** Distribution: The file is distributed “as is,” without any warranty -** of any kind. -** -** (c)Copyright Atollic AB. -** You may use this file as-is or modify it according to the needs of your -** project. This file may only be built (assembled or compiled and linked) -** using the Atollic TrueSTUDIO(R) product. The use of this file together -** with other tools than Atollic TrueSTUDIO(R) is not permitted. -** -***************************************************************************** -*/ - -/* Entry Point */ -ENTRY(Reset_Handler) - -/* Highest address of the user mode stack */ -_estack = 0x20003FFF; /* end of RAM */ - -/* Generate a link error if heap and stack don't fit into RAM */ -_Min_Heap_Size = 0x200; /* required amount of heap */ -_Min_Stack_Size = 0x400; /* required amount of stack */ - -/* Specify the memory areas */ -MEMORY -{ -FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K -RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 16K - 0x188 -} - -/* Define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - . = ALIGN(4); - } >FLASH - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.glue_7) /* glue arm to thumb code */ - *(.glue_7t) /* glue thumb to arm code */ - *(.eh_frame) - - KEEP (*(.init)) - KEEP (*(.fini)) - - . = ALIGN(4); - _etext = .; /* define a global symbols at end of code */ - } >FLASH - - /* Constant data goes into FLASH */ - .rodata : - { - . = ALIGN(4); - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - . = ALIGN(4); - } >FLASH - - .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH - .ARM : { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - - .preinit_array : - { - PROVIDE_HIDDEN (__preinit_array_start = .); - KEEP (*(.preinit_array*)) - PROVIDE_HIDDEN (__preinit_array_end = .); - } >FLASH - .init_array : - { - PROVIDE_HIDDEN (__init_array_start = .); - KEEP (*(SORT(.init_array.*))) - KEEP (*(.init_array*)) - PROVIDE_HIDDEN (__init_array_end = .); - } >FLASH - .fini_array : - { - PROVIDE_HIDDEN (__fini_array_start = .); - KEEP (*(SORT(.fini_array.*))) - KEEP (*(.fini_array*)) - PROVIDE_HIDDEN (__fini_array_end = .); - } >FLASH - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* Initialized data sections goes into RAM, load LMA copy after code */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end */ - } >RAM AT> FLASH - - - /* Uninitialized data section */ - . = ALIGN(4); - .bss : - { - /* This is used by the startup in order to initialize the .bss secion */ - _sbss = .; /* define a global symbol at bss start */ - __bss_start__ = _sbss; - *(.bss) - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end */ - __bss_end__ = _ebss; - } >RAM - - /* User_heap_stack section, used to check that there is enough RAM left */ - ._user_heap_stack : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - PROVIDE ( __end__ = . ); - . = . + _Min_Heap_Size; - . = . + _Min_Stack_Size; - . = ALIGN(4); - } >RAM - - - - /* Remove information from the standard libraries */ - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/STM32F334x8.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/STM32F334x8.ld new file mode 100644 index 0000000000..bc7407e292 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/TOOLCHAIN_GCC_ARM/STM32F334x8.ld @@ -0,0 +1,155 @@ +/* Linker script to configure memory regions. */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K + CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 4K + RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 12K - 0x0188 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * _estack + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + __etext = .; + _sidata = .; + + .data : AT (__etext) + { + __data_start__ = .; + _sdata = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + _edata = .; + + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + _sbss = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + _ebss = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + end = __end__; + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + _estack = __StackTop; + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} +