Mercurial > public > ostc4
diff Common/CPU1-F429.ld @ 38:5f11787b4f42
include in ostc4 repository
author | heinrichsweikamp |
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date | Sat, 28 Apr 2018 11:52:34 +0200 |
parents | |
children | c42c82f73c96 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Common/CPU1-F429.ld Sat Apr 28 11:52:34 2018 +0200 @@ -0,0 +1,281 @@ +/***************************************************************************** + * -*- coding: UTF-8 -*- + * + * \file Common/CPU1-F429.ld + * \brief Linker Script for CPU1 alias Discovery + * \author Ac6 workbench, Heinrichs Weikamp, and JD Gascuel + * \date 2018 + * + * \details + * Linker script for STM32F429IIT6 Device from STM32F4 series + * - 192Kbytes RAM + * - 2048Kbytes ROM + * + * Set heap size, stack size and stack location according + * to application requirements. + * + * Set memory bank area and size if external memory is used. + * + * $Id$ + ***************************************************************************** + * \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + ***************************************************************************** + * HISTORY + * 2017-12-18 jDG: Mix between std AC6 file and chw stm32f429zi_flash.ld settings. + */ + +/* Entry Point */ +ENTRY(Reset_Handler) + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/****************************************************************************/ +/***************************** Memory Definition ****************************/ +MEMORY +{ + ROM (rx) : ORIGIN = 0x08000000, LENGTH = 0x100000 /* 1024K */ + UPPER(rx) : ORIGIN = 0x08100000, LENGTH = 0x100000 /* 1024K */ + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 192K + CCRAM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K +} + +/* Make sure ROM and UPPER are contiguous, and map 2MB */ +ASSERT( ORIGIN(UPPER) - ORIGIN(ROM) == LENGTH(ROM), "ROM lower and upper region shall be continuous" ) +ASSERT( LENGTH(ROM) + LENGTH(UPPER) == 2048K, "ROM lower + upper regions = 2MB" ) + +/* Highest address of the user mode stack */ +_estack = ORIGIN(RAM) + LENGTH(RAM); + +/* Used by the startup to initialize data */ +_sidata = LOADADDR(.data); + +_Min_Heap_Size = 0; /* no required heap (malloc'ed space) */ +_Min_Stack_Size = 0x8000; /* required 32K of stack */ + +/* 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 + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * _sbss + * __bss_start__ + * _ebss + * __bss_end__ + * _edata + * end + * _end + * _estack + */ + +/****************************************************************************/ +/*************************** Code and Data Sections *************************/ +SECTIONS +{ + /******************* NVIC reset and interupt vectors **********************/ + .isr_vector 0x08000000 : + { + KEEP( *(.isr_vector) ) + } >ROM + + /************* The program code and other data into ROM memory ************/ + .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) + + . = ALIGN(4); + _etext = .; /* define a global symbols at end of code */ + } >ROM + + .preinit_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN( __preinit_array_start = . ); + KEEP( *(.preinit_array*) ) + PROVIDE_HIDDEN( __preinit_array_end = . ); + . = ALIGN(4); + } >ROM + + .init_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN( __init_array_start = . ); + KEEP( *(SORT(.init_array.*)) ) + KEEP( *(.init_array*) ) + PROVIDE_HIDDEN( __init_array_end = . ); + . = ALIGN(4); + } >ROM + + .fini_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN( __fini_array_start = . ); + KEEP( *(SORT(.fini_array.*)) ) + KEEP( *(.fini_array*) ) + PROVIDE_HIDDEN( __fini_array_end = . ); + . = ALIGN(4); + } >ROM + + /********************** Constant data into ROM memory *********************/ + .rodata : + { + . = ALIGN(4); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(4); + } >ROM + + .ARM.extab : { + . = ALIGN(4); + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } >ROM + + .ARM : { + . = ALIGN(4); + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + . = ALIGN(4); + } >ROM + + /************* Data and Structures at absolute address in ROM *************/ + + /* FIXME: this sets the SFirmwareData structure, not the code ... */ + .bootloader_firmware_data 0x0800A000 : { + PROVIDE( bootloader_FirmwareData = . ); + KEEP( *(.bootloader_firmware_data) ) + } > ROM + + /* FIMXE: original address was 0x08050000. But we have a collision */ + .firmware_FirmwareData 0x08060000 : { + PROVIDE( firmware_FirmwareData = . ); + KEEP( *(.firmware_firmware_data) ) + } >ROM + + .font_firmware_data 0x08132000 : { + PROVIDE( font_FirmwareData = . ); + KEEP( *(.font_firmware_data) ) + } >UPPER + + /* Put fonts and images in UPPER region */ + .upper_fonts : { + __upper_font_data = .; + KEEP( *(.upper_fonts) ) + __upper_font_data_end = .; + } >UPPER + + .upper_font_directory 0x081E0000 : { /* Last 128 KBytes of UPPER ROM */ + + /* Define Known Address for Each Font */ + __font_directory = .; + PROVIDE( Awe48 = __font_directory + 0 * 0xc ); + PROVIDE( FontT24 = __font_directory + 1 * 0xc ); + PROVIDE( FontT42 = __font_directory + 2 * 0xc ); + PROVIDE( FontT48 = __font_directory + 3 * 0xc ); + PROVIDE( FontT54 = __font_directory + 4 * 0xc ); + PROVIDE( FontT84 = __font_directory + 5 * 0xc ); + PROVIDE( FontT105 = __font_directory + 6 * 0xc ); + PROVIDE( FontT144 = __font_directory + 7 * 0xc ); + PROVIDE( Batt24 = __font_directory + 8 * 0xc ); + __font_directory_end = __font_directory + 9 * 0xc; + + KEEP( *(.upper_font_directory) ) + LONG( -1 ); /* Magic End Marker */ + + /* and for Each Image */ + __image_directory = .; + PROVIDE( ImgHWcolor = __image_directory + 0 * 8 ); + PROVIDE( ImgOSTC = __image_directory + 1 * 8 ); + __image_directory_end = __image_directory + 2 * 8; + + /* FIXME: shall KEEP images here */ + LONG( -1 ); /* Magic End Marker */ + + /* and for CLUT */ + PROVIDE( indexHWcolor = . ); + . += 0x400; + LONG( -1 ); /* Magic End Marker */ + } >UPPER + + /************ Initialized Data Sections into RAM & ROM Memory **************/ + .data : + { + . = ALIGN(4); + + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + *(vtable) + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end */ + } >RAM AT>ROM + + /*************** Uninitialized Data Section into RAM Memory ****************/ + .bss : + { + . = ALIGN(4); + + /* 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 ****************************/ + /* just 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); + } >RAM + + /* Remove information from the compiler libraries */ + /DISCARD/ : + { + libc.a ( * ) + libm.a ( * ) + libgcc.a ( * ) + } + + .ARM.attributes 0 : { *(.ARM.attributes) } +}