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STM32G4 automatic adaptation for MBED

pull/12482/head
jeromecoutant 2020-02-18 10:39:19 +01:00 committed by George Beckstein
parent b387ed6bc1
commit 35e3ce9034
44 changed files with 2545 additions and 369 deletions
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12
targets/TARGET_STM/TARGET_STM32G4/STM32Cube_FW/stm32g4xx_hal_conf.h
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@ -357,17 +357,7 @@ The real value may vary depending on the variations in voltage and temperature.*
/* Exported macro ------------------------------------------------------------*/
#ifdef USE_FULL_ASSERT
/**
* @brief The assert_param macro is used for function's parameters check.
* @param expr: If expr is false, it calls assert_failed function
* which reports the name of the source file and the source
* line number of the call that failed.
* If expr is true, it returns no value.
* @retval None
*/
#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(uint8_t *file, uint32_t line);
#include "stm32_assert.h" // MBED patch
#else
#define assert_param(expr) ((void)0U)
#endif /* USE_FULL_ASSERT */

3
targets/TARGET_STM/TARGET_STM32G4/STM32Cube_FW/system_stm32g4xx.c
View File

@ -170,7 +170,8 @@ void SystemInit(void)
#ifdef VECT_TAB_SRAM
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
#else
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
#include "nvic_addr.h" // MBED
SCB->VTOR = NVIC_FLASH_VECTOR_ADDRESS; // MBED
#endif
}

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xx/TOOLCHAIN_ARM_STD/startup_stm32g431xx.S
View File

@ -27,30 +27,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -61,7 +37,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -397,28 +374,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xx/TOOLCHAIN_ARM_STD/stm32g431xx.sct Normal file
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@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xx/TOOLCHAIN_GCC_ARM/startup_stm32g431xx.S
View File

@ -96,10 +96,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xx/TOOLCHAIN_GCC_ARM/stm32g431xx.ld Normal file
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@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xx/TOOLCHAIN_IAR/stm32g431xx.icf Normal file
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@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0x2000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

43
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G431xx/cmsis_nvic.h Normal file
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@ -0,0 +1,43 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x20000 // 128 KB
// 0x8000 STM32G431M6Tx STM32G431K6Tx STM32G431C6Ux STM32G431R6Tx STM32G431V6Tx STM32G431K6Ux STM32G431C6Tx STM32G431R6Ix
// 0x20000 STM32G431KBTx STM32G431CBTx STM32G431RBIx STM32G431CBYx STM32G431KBUx STM32G431VBTx STM32G431CBUx STM32G431RBTx
// 0x10000 STM32G431V8Tx STM32G431R8Tx STM32G431K8Tx STM32G431C8Tx STM32G431R8Ix STM32G431C8Ux STM32G431K8Ux STM32G431M8Tx
#warning "check MBED_ROM_SIZE value in cmsis_nvic.h"
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x8000 // 32 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G441xx/TOOLCHAIN_ARM_STD/startup_stm32g441xx.S
View File

@ -27,30 +27,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -61,7 +37,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -399,28 +376,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G441xx/TOOLCHAIN_ARM_STD/stm32g441xx.sct Normal file
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@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G441xx/TOOLCHAIN_GCC_ARM/startup_stm32g441xx.S
View File

@ -96,10 +96,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G441xx/TOOLCHAIN_GCC_ARM/stm32g441xx.ld Normal file
View File

@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G441xx/TOOLCHAIN_IAR/stm32g441xx.icf Normal file
View File

@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0x2000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

39
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G441xx/cmsis_nvic.h Normal file
View File

@ -0,0 +1,39 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x20000 // 128 KB
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x8000 // 32 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G471xx/TOOLCHAIN_ARM_STD/startup_stm32g471xx.S
View File

@ -28,30 +28,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -62,7 +38,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -416,28 +393,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G471xx/TOOLCHAIN_ARM_STD/stm32g471xx.sct Normal file
View File

@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G471xx/TOOLCHAIN_GCC_ARM/startup_stm32g471xx.S
View File

@ -96,10 +96,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G471xx/TOOLCHAIN_GCC_ARM/stm32g471xx.ld Normal file
View File

@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G471xx/TOOLCHAIN_IAR/stm32g471xx.icf Normal file
View File

@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0xa000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

42
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G471xx/cmsis_nvic.h Normal file
View File

@ -0,0 +1,42 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x80000 // 512 KB
// 0x40000 STM32G471RCTx STM32G471CCUx STM32G471VCHx STM32G471CCTx STM32G471VCIx STM32G471VCTx STM32G471MCTx STM32G471QCTx
// 0x80000 STM32G471RE STM32G471VETx STM32G471METx STM32G471VEHx STM32G471CEUx STM32G471QETx STM32G471MEYx STM32G471VEIx STM32G471CETx
#warning "check MBED_ROM_SIZE value in cmsis_nvic.h"
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x20000 // 128 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G473xx/TOOLCHAIN_ARM_STD/startup_stm32g473xx.S
View File

@ -27,30 +27,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -61,7 +37,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -431,28 +408,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G473xx/TOOLCHAIN_ARM_STD/stm32g473xx.sct Normal file
View File

@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G473xx/TOOLCHAIN_GCC_ARM/startup_stm32g473xx.S
View File

@ -96,10 +96,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G473xx/TOOLCHAIN_GCC_ARM/stm32g473xx.ld Normal file
View File

@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G473xx/TOOLCHAIN_IAR/stm32g473xx.icf Normal file
View File

@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0xa000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

43
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G473xx/cmsis_nvic.h Normal file
View File

@ -0,0 +1,43 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x80000 // 512 KB
// 0x40000 STM32G473CCUx STM32G473MCTx STM32G473VCHx STM32G473CCTx STM32G473VCTx STM32G473QCTx STM32G473RCTx STM32G473VCIx
// 0x20000 STM32G473RBTx STM32G473QBTx STM32G473MBTx STM32G473VBIx STM32G473CBUx STM32G473VBTx STM32G473VBHx STM32G473CBTx
// 0x80000 STM32G473CETx STM32G473RETx STM32G473MEUx STM32G473VEIx STM32G473CEUx STM32G473METx STM32G473VEHx STM32G473VETx STM32G473QETx
#warning "check MBED_ROM_SIZE value in cmsis_nvic.h"
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x20000 // 128 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G474xx/TOOLCHAIN_ARM_STD/startup_stm32g474xx.S
View File

@ -27,30 +27,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -61,7 +37,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -459,28 +436,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G474xx/TOOLCHAIN_ARM_STD/stm32g474xx.sct Normal file
View File

@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G474xx/TOOLCHAIN_GCC_ARM/startup_stm32g474xx.S
View File

@ -96,10 +96,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G474xx/TOOLCHAIN_GCC_ARM/stm32g474xx.ld Normal file
View File

@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G474xx/TOOLCHAIN_IAR/stm32g474xx.icf Normal file
View File

@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0xa000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

43
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G474xx/cmsis_nvic.h Normal file
View File

@ -0,0 +1,43 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x80000 // 512 KB
// 0x40000 STM32G474VCIx STM32G474CCTx STM32G474QCTx STM32G474VCHx STM32G474CCUx STM32G474MCTx STM32G474VCTx STM32G474RCTx
// 0x20000 STM32G474VBIx STM32G474MBTx STM32G474CBTx STM32G474RBTx STM32G474QBTx STM32G474VBHx STM32G474VBTx STM32G474CBUx
// 0x80000 STM32G474CEUx STM32G474VEHx STM32G474RETx STM32G474QETx STM32G474METx STM32G474CETx STM32G474VEIx STM32G474VETx STM32G474MEYx
#warning "check MBED_ROM_SIZE value in cmsis_nvic.h"
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x20000 // 128 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G483xx/TOOLCHAIN_ARM_STD/startup_stm32g483xx.S
View File

@ -27,30 +27,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -61,7 +37,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -433,28 +410,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G483xx/TOOLCHAIN_ARM_STD/stm32g483xx.sct Normal file
View File

@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G483xx/TOOLCHAIN_GCC_ARM/startup_stm32g483xx.S
View File

@ -96,10 +96,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G483xx/TOOLCHAIN_GCC_ARM/stm32g483xx.ld Normal file
View File

@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G483xx/TOOLCHAIN_IAR/stm32g483xx.icf Normal file
View File

@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0xa000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

39
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G483xx/cmsis_nvic.h Normal file
View File

@ -0,0 +1,39 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x80000 // 512 KB
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x20000 // 128 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif

49
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G484xx/TOOLCHAIN_ARM_STD/startup_stm32g484xx.S
View File

@ -27,30 +27,6 @@
;*******************************************************************************
;* <<< Use Configuration Wizard in Context Menu >>>
;
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x400;
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x200;
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
@ -61,7 +37,8 @@ __heap_limit
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
IMPORT |Image$$ARM_LIB_STACK$$ZI$$Limit|
__Vectors DCD |Image$$ARM_LIB_STACK$$ZI$$Limit| ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
@ -461,28 +438,6 @@ FMAC_IRQHandler
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END

53
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G484xx/TOOLCHAIN_ARM_STD/stm32g484xx.sct Normal file
View File

@ -0,0 +1,53 @@
#! armcc -E
; Scatter-Loading Description File
;
; SPDX-License-Identifier: BSD-3-Clause
;******************************************************************************
;* @attention
;*
;* Copyright (c) 2016-2020 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
;*
;******************************************************************************
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_START + MBED_RAM_SIZE - MBED_BOOT_STACK_SIZE - AlignExpr(ImageLimit(RW_IRAM1), 16)) { ; Heap growing up
}
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
}
}

6
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G484xx/TOOLCHAIN_GCC_ARM/startup_stm32g484xx.S
View File

@ -95,10 +95,8 @@ LoopFillZerobss:
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bl _start
bx lr
LoopForever:
b LoopForever

206
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G484xx/TOOLCHAIN_GCC_ARM/stm32g484xx.ld Normal file
View File

@ -0,0 +1,206 @@
/* Linker script to configure memory regions. */
/*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
#include "../cmsis_nvic.h"
#if !defined(MBED_APP_START)
#define MBED_APP_START MBED_ROM_START
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE MBED_ROM_SIZE
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* Round up VECTORS_SIZE to 8 bytes */
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
}
/* 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 = .;
/* Location counter can end up 2byte aligned with narrow Thumb code but
__etext is assumed by startup code to be the LMA of a section in RAM
which must be 8-byte aligned */
__etext = ALIGN (8);
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
/* Uninitialized data section
* This region is not initialized by the C/C++ library and can be used to
* store state across soft reboots. */
.uninitialized (NOLOAD):
{
. = ALIGN(32);
__uninitialized_start = .;
*(.uninitialized)
KEEP(*(.keep.uninitialized))
. = ALIGN(32);
__uninitialized_end = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
PROVIDE(end = .);
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__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 - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
/* Check if data + heap + stack exceeds RAM limit */
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

59
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G484xx/TOOLCHAIN_IAR/stm32g484xx.icf Normal file
View File

@ -0,0 +1,59 @@
/* Linker script to configure memory regions.
*
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* Copyright (c) 2016-2020 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
*
******************************************************************************
*/
/* Device specific values */
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
define symbol VECTORS = 118; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
define symbol HEAP_SIZE = 0xa000;
/* Common - Do not change */
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = MBED_ROM_START;
}
if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
}
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
/* This value is normally defined by the tools
to 0x1000 for bare metal and 0x400 for RTOS */
define symbol MBED_BOOT_STACK_SIZE = 0x400;
}
/* Round up VECTORS_SIZE to 8 bytes */
define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
define memory mem with size = 4G;
define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
define block HEAP with alignment = 8, size = HEAP_SIZE { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem: MBED_APP_START { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

39
targets/TARGET_STM/TARGET_STM32G4/TARGET_STM32G484xx/cmsis_nvic.h Normal file
View File

@ -0,0 +1,39 @@
/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016-2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#if !defined(MBED_ROM_START)
#define MBED_ROM_START 0x8000000
#endif
#if !defined(MBED_ROM_SIZE)
#define MBED_ROM_SIZE 0x80000 // 512 KB
#endif
#if !defined(MBED_RAM_START)
#define MBED_RAM_START 0x20000000
#endif
#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0x20000 // 128 KB
#endif
#define NVIC_NUM_VECTORS 118
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
#endif