From 9147cba1af0a8d72379242eb1ce0bfd42ab8075e Mon Sep 17 00:00:00 2001 From: Igor Biletskyy Date: Wed, 2 Nov 2022 16:57:14 -0700 Subject: [PATCH] F4: more RAM (#1126) * F4 more ram * more flash --- board/SConscript | 4 +- .../{stm32fx_flash.ld => stm32f2_flash.ld} | 0 board/stm32fx/stm32f4_flash.ld | 166 ++++++++++++++++++ 3 files changed, 168 insertions(+), 2 deletions(-) rename board/stm32fx/{stm32fx_flash.ld => stm32f2_flash.ld} (100%) create mode 100644 board/stm32fx/stm32f4_flash.ld diff --git a/board/SConscript b/board/SConscript index ebdca130..634c8178 100644 --- a/board/SConscript +++ b/board/SConscript @@ -11,7 +11,7 @@ build_projects = {} build_projects["pedal"] = { "MAIN": "pedal/main.c", "STARTUP_FILE": "stm32fx/startup_stm32f205xx.s", - "LINKER_SCRIPT": "stm32fx/stm32fx_flash.ld", + "LINKER_SCRIPT": "stm32fx/stm32f2_flash.ld", "APP_START_ADDRESS": "0x8004000", "PROJECT_FLAGS": [ "-mcpu=cortex-m3", @@ -29,7 +29,7 @@ build_projects["pedal_usb"]["PROJECT_FLAGS"].append("-DPEDAL_USB") build_projects["panda"] = { "MAIN": "main.c", "STARTUP_FILE": "stm32fx/startup_stm32f413xx.s", - "LINKER_SCRIPT": "stm32fx/stm32fx_flash.ld", + "LINKER_SCRIPT": "stm32fx/stm32f4_flash.ld", "APP_START_ADDRESS": "0x8004000", "PROJECT_FLAGS": [ "-mcpu=cortex-m4", diff --git a/board/stm32fx/stm32fx_flash.ld b/board/stm32fx/stm32f2_flash.ld similarity index 100% rename from board/stm32fx/stm32fx_flash.ld rename to board/stm32fx/stm32f2_flash.ld diff --git a/board/stm32fx/stm32f4_flash.ld b/board/stm32fx/stm32f4_flash.ld new file mode 100644 index 00000000..a601c1f6 --- /dev/null +++ b/board/stm32fx/stm32f4_flash.ld @@ -0,0 +1,166 @@ +/* +***************************************************************************** +** +** File : stm32f4_flash.ld +** +** Abstract : Linker script for STM32F407VG Device with +** 1024KByte FLASH, 192KByte 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. Distribution of this file (unmodified or modified) is not +** permitted. Atollic AB permit registered Atollic TrueSTUDIO(R) users the +** rights to distribute the assembled, compiled & linked contents of this +** file as part of an application binary file, provided that it is built +** using the Atollic TrueSTUDIO(R) toolchain. +** +***************************************************************************** +*/ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +enter_bootloader_mode = 0x2001FFFC; +_estack = 0x2001FFFC; /* end of 128K RAM on AHB bus*/ +_app_start = 0x08004000; /* Reserve Sector 0(16K) for bootloader */ + +/* Generate a link error if heap and stack don't fit into RAM */ +_Min_Heap_Size = 0; /* required amount of heap */ +_Min_Stack_Size = 0x400; /* required amount of stack */ + +/* Specify the memory areas */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K + RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 256K + RAM2 (xrw) : ORIGIN = 0x20040000, LENGTH = 64K + MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K +} + +/* 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) */ + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + *(.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 */ + _exit = .; + } >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 (*(.fini_array*)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE_HIDDEN (__fini_array_end = .); + } >FLASH + + /* used by the startup to initialize data */ + _sidata = .; + + /* Initialized data sections goes into RAM, load LMA copy after code */ + .data : AT ( _sidata ) + { + . = 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 + + /* 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 = . ); + . = . + _Min_Heap_Size; + . = . + _Min_Stack_Size; + . = ALIGN(4); + } >RAM + + /* MEMORY_bank1 section, code must be located here explicitly */ + /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */ + .memory_b1_text : + { + *(.mb1text) /* .mb1text sections (code) */ + *(.mb1text*) /* .mb1text* sections (code) */ + *(.mb1rodata) /* read-only data (constants) */ + *(.mb1rodata*) + } >MEMORY_B1 + + .ARM.attributes 0 : { *(.ARM.attributes) } +}