From de25178ca432912badd135445f80baee198425d0 Mon Sep 17 00:00:00 2001 From: Tech Studio Design <90139801+techstudio-design@users.noreply.github.com> Date: Fri, 4 Feb 2022 16:51:45 +0800 Subject: [PATCH] Adding new variant for Generic G070xxT (#1638) * add Generic G070CB/G070KB/G070RB variant --- README.md | 3 + boards.txt | 24 +++ variants/STM32G0xx/G070CBT/generic_clock.c | 35 +++- variants/STM32G0xx/G070CBT/ldscript.ld | 185 +++++++++++++++++++++ variants/STM32G0xx/G070KBT/generic_clock.c | 35 +++- variants/STM32G0xx/G070KBT/ldscript.ld | 177 ++++++++++++++++++++ variants/STM32G0xx/G070RBT/generic_clock.c | 35 +++- variants/STM32G0xx/G070RBT/ldscript.ld | 185 +++++++++++++++++++++ 8 files changed, 673 insertions(+), 6 deletions(-) create mode 100644 variants/STM32G0xx/G070CBT/ldscript.ld create mode 100644 variants/STM32G0xx/G070KBT/ldscript.ld create mode 100644 variants/STM32G0xx/G070RBT/ldscript.ld diff --git a/README.md b/README.md index 0ea8b73334..777944b2db 100644 --- a/README.md +++ b/README.md @@ -301,6 +301,9 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d | :green_heart: | STM32G031K4
STM32G031K6
STM32G031K8 | Generic Board | *2.0.0* | | | :green_heart: | STM32G041J6 | Generic Board | *2.0.0* | | | :green_heart: | STM32G041K6
STM32G041K8 | Generic Board | *2.0.0* | | +| :yellow_heart: | STM32G070CB | Generic Board | **2.3.0** | | +| :yellow_heart: | STM32G070KB | Generic Board | **2.3.0** | | +| :yellow_heart: | STM32G070RB | Generic Board | **2.3.0** | | | :green_heart: | STM32G071R6
STM32G071R8
STM32G071RB | Generic Board | *2.0.0* | | | :green_heart: | STM32G081RB | Generic Board | *2.0.0* | | | :green_heart: | STM32G0B1RB
STM32G0B1RC
STM32G0B1RE | Generic Board | *2.1.0* | | diff --git a/boards.txt b/boards.txt index 15dd539735..83314ee8de 100644 --- a/boards.txt +++ b/boards.txt @@ -3334,6 +3334,30 @@ GenG0.menu.pnum.GENERIC_G041K8UX.build.board=GENERIC_G041K8UX GenG0.menu.pnum.GENERIC_G041K8UX.build.product_line=STM32G041xx GenG0.menu.pnum.GENERIC_G041K8UX.build.variant=STM32G0xx/G031K(4-6-8)(T-U)_G041K(6-8)(T-U) +# Generic G070CBTx +GenG0.menu.pnum.GENERIC_G070CBTX=Generic G070CBTx +GenG0.menu.pnum.GENERIC_G070CBTX.upload.maximum_size=131072 +GenG0.menu.pnum.GENERIC_G070CBTX.upload.maximum_data_size=36864 +GenG0.menu.pnum.GENERIC_G070CBTX.build.board=GENERIC_G070CBTX +GenG0.menu.pnum.GENERIC_G070CBTX.build.product_line=STM32G070xx +GenG0.menu.pnum.GENERIC_G070CBTX.build.variant=STM32G0xx/G070CBT + +# Generic G070KBTx +GenG0.menu.pnum.GENERIC_G070KBTX=Generic G070KBTx +GenG0.menu.pnum.GENERIC_G070KBTX.upload.maximum_size=131072 +GenG0.menu.pnum.GENERIC_G070KBTX.upload.maximum_data_size=36864 +GenG0.menu.pnum.GENERIC_G070KBTX.build.board=GENERIC_G070KBTX +GenG0.menu.pnum.GENERIC_G070KBTX.build.product_line=STM32G070xx +GenG0.menu.pnum.GENERIC_G070KBTX.build.variant=STM32G0xx/G070KBT + +# Generic G070RBTx +GenG0.menu.pnum.GENERIC_G070RBTX=Generic G070RBTx +GenG0.menu.pnum.GENERIC_G070RBTX.upload.maximum_size=131072 +GenG0.menu.pnum.GENERIC_G070RBTX.upload.maximum_data_size=36864 +GenG0.menu.pnum.GENERIC_G070RBTX.build.board=GENERIC_G070RBTX +GenG0.menu.pnum.GENERIC_G070RBTX.build.product_line=STM32G070xx +GenG0.menu.pnum.GENERIC_G070RBTX.build.variant=STM32G0xx/G070RBT + # Generic G071R6Tx GenG0.menu.pnum.GENERIC_G071R6TX=Generic G071R6Tx GenG0.menu.pnum.GENERIC_G071R6TX.upload.maximum_size=32768 diff --git a/variants/STM32G0xx/G070CBT/generic_clock.c b/variants/STM32G0xx/G070CBT/generic_clock.c index c3737e80a1..25720fc1bd 100644 --- a/variants/STM32G0xx/G070CBT/generic_clock.c +++ b/variants/STM32G0xx/G070CBT/generic_clock.c @@ -20,8 +20,39 @@ */ WEAK void SystemClock_Config(void) { - /* SystemClock_Config can be generated by STM32CubeMX */ -#warning "SystemClock_Config() is empty. Default clock at reset is used." + RCC_OscInitTypeDef RCC_OscInitStruct = {}; + RCC_ClkInitTypeDef RCC_ClkInitStruct = {}; + + /** Configure the main internal regulator output voltage + */ + HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1); + /** Initializes the RCC Oscillators according to the specified parameters + * in the RCC_OscInitTypeDef structure. + */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1; + RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1; + RCC_OscInitStruct.PLL.PLLN = 8; + RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; + RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { + Error_Handler(); + } + /** Initializes the CPU, AHB and APB buses clocks + */ + RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK + | RCC_CLOCKTYPE_PCLK1; + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; + + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { + Error_Handler(); + } } #endif /* ARDUINO_GENERIC_* */ diff --git a/variants/STM32G0xx/G070CBT/ldscript.ld b/variants/STM32G0xx/G070CBT/ldscript.ld new file mode 100644 index 0000000000..258165dd4f --- /dev/null +++ b/variants/STM32G0xx/G070CBT/ldscript.ld @@ -0,0 +1,185 @@ +/* +****************************************************************************** +** +** @file : LinkerScript.ld +** +** @author : Auto-generated by STM32CubeIDE +** +** @brief : Linker script for STM32G070CBTx Device from STM32G0 series +** 128Kbytes FLASH +** 36Kbytes 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 +** +** Distribution: The file is distributed as is, without any warranty +** of any kind. +** +****************************************************************************** +** @attention +** +** Copyright (c) 2022 STMicroelectronics. +** All rights reserved. +** +** This software is licensed under terms that can be found in the LICENSE file +** in the root directory of this software component. +** If no LICENSE file comes with this software, it is provided AS-IS. +** +****************************************************************************** +*/ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */ + +_Min_Heap_Size = 0x200 ; /* required amount of heap */ +_Min_Stack_Size = 0x400 ; /* required amount of stack */ + +/* Memories definition */ +MEMORY +{ + RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE + FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET +} + +/* Sections */ +SECTIONS +{ + /* The startup code into "FLASH" Rom type memory */ + .isr_vector : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(4); + } >FLASH + + /* The program code and other data into "FLASH" Rom type 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) + + KEEP (*(.init)) + KEEP (*(.fini)) + + . = ALIGN(4); + _etext = .; /* define a global symbols at end of code */ + } >FLASH + + /* Constant data into "FLASH" Rom type memory */ + .rodata : + { + . = ALIGN(4); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(4); + } >FLASH + + .ARM.extab : { + . = ALIGN(4); + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } >FLASH + + .ARM : { + . = ALIGN(4); + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + . = ALIGN(4); + } >FLASH + + .preinit_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + . = ALIGN(4); + } >FLASH + + .init_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + . = ALIGN(4); + } >FLASH + + .fini_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + . = ALIGN(4); + } >FLASH + + /* Used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* Initialized data sections into "RAM" Ram type memory */ + .data : + { + . = ALIGN(4); + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + *(.RamFunc) /* .RamFunc sections */ + *(.RamFunc*) /* .RamFunc* sections */ + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end */ + + } >RAM AT> FLASH + + /* Uninitialized data section into "RAM" Ram type memory */ + . = ALIGN(4); + .bss : + { + /* This is used by the startup in order to initialize the .bss section */ + _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" Ram type memory 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) } +} diff --git a/variants/STM32G0xx/G070KBT/generic_clock.c b/variants/STM32G0xx/G070KBT/generic_clock.c index 83eab7b02e..d84633175a 100644 --- a/variants/STM32G0xx/G070KBT/generic_clock.c +++ b/variants/STM32G0xx/G070KBT/generic_clock.c @@ -20,8 +20,39 @@ */ WEAK void SystemClock_Config(void) { - /* SystemClock_Config can be generated by STM32CubeMX */ -#warning "SystemClock_Config() is empty. Default clock at reset is used." + RCC_OscInitTypeDef RCC_OscInitStruct = {}; + RCC_ClkInitTypeDef RCC_ClkInitStruct = {}; + + /** Configure the main internal regulator output voltage + */ + HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1); + /** Initializes the RCC Oscillators according to the specified parameters + * in the RCC_OscInitTypeDef structure. + */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1; + RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1; + RCC_OscInitStruct.PLL.PLLN = 8; + RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; + RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { + Error_Handler(); + } + /** Initializes the CPU, AHB and APB buses clocks + */ + RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK + | RCC_CLOCKTYPE_PCLK1; + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; + + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { + Error_Handler(); + } } #endif /* ARDUINO_GENERIC_* */ diff --git a/variants/STM32G0xx/G070KBT/ldscript.ld b/variants/STM32G0xx/G070KBT/ldscript.ld new file mode 100644 index 0000000000..3d4f5609d0 --- /dev/null +++ b/variants/STM32G0xx/G070KBT/ldscript.ld @@ -0,0 +1,177 @@ +/** + ****************************************************************************** + * @file LinkerScript.ld + * @author Auto-generated by STM32CubeIDE + * @brief Linker script for STM32G070KBTx Device from STM32G0 series + * 128Kbytes FLASH + * 36Kbytes RAM + * + * Set heap size, stack size and stack location according + * to application requirements. + * + * Set memory bank area and size if external memory is used + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2020 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */ + +_Min_Heap_Size = 0x200 ; /* required amount of heap */ +_Min_Stack_Size = 0x400 ; /* required amount of stack */ + +/* Memories definition */ +MEMORY +{ + RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE + FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET +} + +/* Sections */ +SECTIONS +{ + /* The startup code into "FLASH" Rom type memory */ + .isr_vector : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(4); + } >FLASH + + /* The program code and other data into "FLASH" Rom type 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) + + KEEP (*(.init)) + KEEP (*(.fini)) + + . = ALIGN(4); + _etext = .; /* define a global symbols at end of code */ + } >FLASH + + /* Constant data into "FLASH" Rom type memory */ + .rodata : + { + . = ALIGN(4); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(4); + } >FLASH + + .ARM.extab : { + . = ALIGN(4); + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } >FLASH + + .ARM : { + . = ALIGN(4); + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + . = ALIGN(4); + } >FLASH + + .preinit_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + . = ALIGN(4); + } >FLASH + + .init_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + . = ALIGN(4); + } >FLASH + + .fini_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + . = ALIGN(4); + } >FLASH + + /* Used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* Initialized data sections into "RAM" Ram type memory */ + .data : + { + . = ALIGN(4); + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + *(.RamFunc) /* .RamFunc sections */ + *(.RamFunc*) /* .RamFunc* sections */ + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end */ + + } >RAM AT> FLASH + + /* Uninitialized data section into "RAM" Ram type memory */ + . = ALIGN(4); + .bss : + { + /* This is used by the startup in order to initialize the .bss section */ + _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" Ram type memory 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) } +} diff --git a/variants/STM32G0xx/G070RBT/generic_clock.c b/variants/STM32G0xx/G070RBT/generic_clock.c index 2268ecd557..a55722d635 100644 --- a/variants/STM32G0xx/G070RBT/generic_clock.c +++ b/variants/STM32G0xx/G070RBT/generic_clock.c @@ -20,8 +20,39 @@ */ WEAK void SystemClock_Config(void) { - /* SystemClock_Config can be generated by STM32CubeMX */ -#warning "SystemClock_Config() is empty. Default clock at reset is used." + RCC_OscInitTypeDef RCC_OscInitStruct = {}; + RCC_ClkInitTypeDef RCC_ClkInitStruct = {}; + + /** Configure the main internal regulator output voltage + */ + HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1); + /** Initializes the RCC Oscillators according to the specified parameters + * in the RCC_OscInitTypeDef structure. + */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1; + RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1; + RCC_OscInitStruct.PLL.PLLN = 8; + RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; + RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; + if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { + Error_Handler(); + } + /** Initializes the CPU, AHB and APB buses clocks + */ + RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK + | RCC_CLOCKTYPE_PCLK1; + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; + + if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { + Error_Handler(); + } } #endif /* ARDUINO_GENERIC_* */ diff --git a/variants/STM32G0xx/G070RBT/ldscript.ld b/variants/STM32G0xx/G070RBT/ldscript.ld new file mode 100644 index 0000000000..a9baf24381 --- /dev/null +++ b/variants/STM32G0xx/G070RBT/ldscript.ld @@ -0,0 +1,185 @@ +/* +****************************************************************************** +** +** @file : LinkerScript.ld +** +** @author : Auto-generated by STM32CubeIDE +** +** @brief : Linker script for STM32G070RBTx Device from STM32G0 series +** 128Kbytes FLASH +** 36Kbytes 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 +** +** Distribution: The file is distributed as is, without any warranty +** of any kind. +** +****************************************************************************** +** @attention +** +** Copyright (c) 2022 STMicroelectronics. +** All rights reserved. +** +** This software is licensed under terms that can be found in the LICENSE file +** in the root directory of this software component. +** If no LICENSE file comes with this software, it is provided AS-IS. +** +****************************************************************************** +*/ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */ + +_Min_Heap_Size = 0x200 ; /* required amount of heap */ +_Min_Stack_Size = 0x400 ; /* required amount of stack */ + +/* Memories definition */ +MEMORY +{ + RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE + FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET +} + +/* Sections */ +SECTIONS +{ + /* The startup code into "FLASH" Rom type memory */ + .isr_vector : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(4); + } >FLASH + + /* The program code and other data into "FLASH" Rom type 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) + + KEEP (*(.init)) + KEEP (*(.fini)) + + . = ALIGN(4); + _etext = .; /* define a global symbols at end of code */ + } >FLASH + + /* Constant data into "FLASH" Rom type memory */ + .rodata : + { + . = ALIGN(4); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(4); + } >FLASH + + .ARM.extab : { + . = ALIGN(4); + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } >FLASH + + .ARM : { + . = ALIGN(4); + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + . = ALIGN(4); + } >FLASH + + .preinit_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + . = ALIGN(4); + } >FLASH + + .init_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + . = ALIGN(4); + } >FLASH + + .fini_array : + { + . = ALIGN(4); + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + . = ALIGN(4); + } >FLASH + + /* Used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* Initialized data sections into "RAM" Ram type memory */ + .data : + { + . = ALIGN(4); + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + *(.RamFunc) /* .RamFunc sections */ + *(.RamFunc*) /* .RamFunc* sections */ + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end */ + + } >RAM AT> FLASH + + /* Uninitialized data section into "RAM" Ram type memory */ + . = ALIGN(4); + .bss : + { + /* This is used by the startup in order to initialize the .bss section */ + _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" Ram type memory 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) } +}