| /** |
| ***************************************************************************** |
| ** |
| ** File : stm32wb30xx_flash_cm4.ld |
| ** |
| ** Abstract : System Workbench Minimal System calls file |
| ** |
| ** For more information about which c-functions |
| ** need which of these lowlevel functions |
| ** please consult the Newlib libc-manual |
| ** |
| ** Environment : System Workbench for MCU |
| ** |
| ** Distribution: The file is distributed “as is,” without any warranty |
| ** of any kind. |
| ** |
| ***************************************************************************** |
| ** |
| ** <h2><center>© COPYRIGHT(c) 2019 Ac6</center></h2> |
| ** |
| ** Redistribution and use in source and binary forms, with or without modification, |
| ** are permitted provided that the following conditions are met: |
| ** 1. Redistributions of source code must retain the above copyright notice, |
| ** this list of conditions and the following disclaimer. |
| ** 2. Redistributions in binary form must reproduce the above copyright notice, |
| ** this list of conditions and the following disclaimer in the documentation |
| ** and/or other materials provided with the distribution. |
| ** 3. Neither the name of Ac6 nor the names of its contributors |
| ** may be used to endorse or promote products derived from this software |
| ** without specific prior written permission. |
| ** |
| ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| ** |
| ***************************************************************************** |
| */ |
| |
| /* Entry Point */ |
| ENTRY(Reset_Handler) |
| |
| /* Highest address of the user mode stack */ |
| _estack = 0x20008000; /* end of RAM */ |
| /* Generate a link error if heap and stack don't fit into RAM */ |
| _Min_Heap_Size = 0x400; /* required amount of heap */ |
| _Min_Stack_Size = 0x1000; /* required amount of stack */ |
| |
| /* Specify the memory areas */ |
| MEMORY |
| { |
| FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K |
| RAM1 (xrw) : ORIGIN = 0x20000004, LENGTH = 0x7FFC |
| RAM_SHARED (xrw) : ORIGIN = 0x20030000, LENGTH = 10K |
| } |
| |
| /* 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 */ |
| } >RAM1 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; |
| } >RAM1 |
| |
| /* User_heap_stack section, used to check that there is enough RAM left */ |
| ._user_heap_stack : |
| { |
| . = ALIGN(8); |
| PROVIDE ( end = . ); |
| PROVIDE ( _end = . ); |
| . = . + _Min_Heap_Size; |
| . = . + _Min_Stack_Size; |
| . = ALIGN(8); |
| } >RAM1 |
| |
| |
| |
| /* Remove information from the standard libraries */ |
| /DISCARD/ : |
| { |
| libc.a ( * ) |
| libm.a ( * ) |
| libgcc.a ( * ) |
| } |
| |
| .ARM.attributes 0 : { *(.ARM.attributes) } |
| MAPPING_TABLE (NOLOAD) : { *(MAPPING_TABLE) } >RAM_SHARED |
| MB_MEM1 (NOLOAD) : { *(MB_MEM1) } >RAM_SHARED |
| MB_MEM2 (NOLOAD) : { _sMB_MEM2 = . ; *(MB_MEM2) ; _eMB_MEM2 = . ; } >RAM_SHARED |
| } |
| |
| |