mirror of https://github.com/ARMmbed/mbed-os.git
STM32F3 baremetal support
jeromecoutant
parent
96016aea17
commit
739b2048d4
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@ -1,76 +1,53 @@
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#! armcc -E
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; Scatter-Loading Description File
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright (c) 2014, STMicroelectronics
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; All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are met:
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;
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; 1. Redistributions of source code must retain the above copyright notice,
|
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; this list of conditions and the following disclaimer.
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; 2. Redistributions in binary form must reproduce the above copyright notice,
|
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; this list of conditions and the following disclaimer in the documentation
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; and/or other materials provided with the distribution.
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; 3. Neither the name of STMicroelectronics nor the names of its contributors
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; may be used to endorse or promote products derived from this software
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; without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; SPDX-License-Identifier: BSD-3-Clause
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;******************************************************************************
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;* @attention
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;*
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;* Copyright (c) 2016-2020 STMicroelectronics.
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;* All rights reserved.
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;*
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;* This software component is licensed by ST under BSD 3-Clause license,
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;* the "License"; You may not use this file except in compliance with the
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;* License. You may obtain a copy of the License at:
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;* opensource.org/licenses/BSD-3-Clause
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;*
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;******************************************************************************
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#include "../cmsis_nvic.h"
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#if !defined(MBED_APP_START)
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#define MBED_APP_START 0x08000000
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#define MBED_APP_START MBED_ROM_START
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#endif
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; STM32F303K8: 64KB FLASH (0x10000)
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#if !defined(MBED_APP_SIZE)
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#define MBED_APP_SIZE 0x10000
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#define MBED_APP_SIZE MBED_ROM_SIZE
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#endif
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#if !defined(MBED_RAM_START)
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#define MBED_RAM_START 0x20000000
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#endif
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;12KB SRAM (0x3000)
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#if !defined(MBED_RAM_SIZE)
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#define MBED_RAM_SIZE 0x3000
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#endif
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#if !defined(MBED_BOOT_STACK_SIZE)
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#define MBED_BOOT_STACK_SIZE 0x400
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/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
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#define MBED_BOOT_STACK_SIZE 0x400
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#endif
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; 60 Non-Core vectors + 16 ARM Core System Handler Vectors vectors + reserved areas = 98 vectors 392 bytes (0x188) to be reserved in RAM
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#define VECTOR_SIZE 0x188
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/* Round up VECTORS_SIZE to 8 bytes */
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#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
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#define RAM_FIXED_SIZE (MBED_BOOT_STACK_SIZE+VECTOR_SIZE)
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LR_IROM1 MBED_APP_START MBED_APP_SIZE {
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LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region
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ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
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*.o (RESET, +First)
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*(InRoot$$Sections)
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.ANY (+RO)
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ER_IROM1 MBED_APP_START MBED_APP_SIZE {
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*.o (RESET, +First)
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*(InRoot$$Sections)
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.ANY (+RO)
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}
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RW_IRAM1 (MBED_RAM_START+VECTOR_SIZE) (MBED_RAM_SIZE-VECTOR_SIZE) { ; RW data
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.ANY (+RW +ZI)
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RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
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.ANY (+RW +ZI)
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}
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ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_SIZE-RAM_FIXED_SIZE+MBED_RAM_START-AlignExpr(ImageLimit(RW_IRAM1), 16)) {
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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
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}
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ARM_LIB_STACK (MBED_RAM_START+MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; stack
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ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
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}
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}
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@ -1,24 +1,51 @@
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/* Linker script to configure memory regions. */
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016-2020 STMicroelectronics.
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* All rights reserved.
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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#if !defined(MBED_BOOT_STACK_SIZE)
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#define MBED_BOOT_STACK_SIZE 0x400
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#include "../cmsis_nvic.h"
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#if !defined(MBED_APP_START)
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#define MBED_APP_START MBED_ROM_START
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#endif
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STACK_SIZE = MBED_BOOT_STACK_SIZE;
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#if !defined(MBED_APP_SIZE)
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#define MBED_APP_SIZE MBED_ROM_SIZE
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#endif
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#if !defined(MBED_BOOT_STACK_SIZE)
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/* This value is normally defined by the tools
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to 0x1000 for bare metal and 0x400 for RTOS */
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#define MBED_BOOT_STACK_SIZE 0x400
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#endif
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/* Round up VECTORS_SIZE to 8 bytes */
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#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
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/* 60 Non-Core vectors + 16 ARM Core System Handler Vectors vectors + reserved areas = 392 bytes (0x188) to be reserved in RAM */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
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CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 4K
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RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 12K - 0x188
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{
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FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
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RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
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}
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/* Linker script to place sections and symbol values. Should be used together
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* with other linker script that defines memory regions FLASH and RAM.
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* It references following symbols, which must be defined in code:
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* Reset_Handler : Entry of reset handler
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*
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*
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* It defines following symbols, which code can use without definition:
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* __exidx_start
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* __exidx_end
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@ -49,6 +76,7 @@ SECTIONS
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{
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KEEP(*(.isr_vector))
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*(.text*)
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KEEP(*(.init))
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KEEP(*(.fini))
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@ -71,7 +99,7 @@ SECTIONS
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KEEP(*(.eh_frame*))
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} > FLASH
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.ARM.extab :
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > FLASH
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@ -85,7 +113,7 @@ SECTIONS
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__etext = .;
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_sidata = .;
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.data : AT (__etext)
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{
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__data_start__ = .;
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@ -106,7 +134,6 @@ SECTIONS
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KEEP(*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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. = ALIGN(8);
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/* finit data */
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PROVIDE_HIDDEN (__fini_array_start = .);
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@ -122,6 +149,19 @@ SECTIONS
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} > RAM
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/* Uninitialized data section
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* This region is not initialized by the C/C++ library and can be used to
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* store state across soft reboots. */
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.uninitialized (NOLOAD):
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{
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. = ALIGN(32);
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__uninitialized_start = .;
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*(.uninitialized)
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KEEP(*(.keep.uninitialized))
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. = ALIGN(32);
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__uninitialized_end = .;
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} > RAM
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.bss :
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{
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. = ALIGN(8);
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@ -133,13 +173,13 @@ SECTIONS
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__bss_end__ = .;
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_ebss = .;
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} > RAM
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.heap (COPY):
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{
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__end__ = .;
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end = __end__;
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PROVIDE(end = .);
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*(.heap*)
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. = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
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. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
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__HeapLimit = .;
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} > RAM
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* size of stack_dummy section */
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__StackTop = ORIGIN(RAM) + LENGTH(RAM);
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_estack = __StackTop;
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__StackLimit = __StackTop - STACK_SIZE;
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__StackLimit = __StackTop - MBED_BOOT_STACK_SIZE;
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PROVIDE(__stack = __StackTop);
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/* Check if data + heap + stack exceeds RAM limit */
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ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
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}
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/* [ROM = 64kb = 0x10000] */
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define symbol __intvec_start__ = 0x08000000;
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define symbol __region_ROM_start__ = 0x08000000;
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define symbol __region_ROM_end__ = 0x0800FFFF;
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/* Linker script to configure memory regions.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016-2020 STMicroelectronics.
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* All rights reserved.
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Device specific values */
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define symbol __region_CCMRAM_start__ = 0x10000000;
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define symbol __region_CCMRAM_end__ = 0x10000FFF;
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/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
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/* [RAM = 12kb = 0x3000] Vector table dynamic copy: 98 vectors = 392 bytes (0x188) to be reserved in RAM */
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define symbol __NVIC_start__ = 0x20000000;
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define symbol __NVIC_end__ = 0x20000187; /* No need to add 4 more bytes to be aligned on 8 bytes */
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define symbol __region_RAM_start__ = 0x20000188;
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define symbol __region_RAM_end__ = 0x20002FFF;
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define symbol VECTORS = 98; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
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define symbol HEAP_SIZE = 0x1000;
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/* Memory regions */
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define memory mem with size = 4G;
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define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__];
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define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__];
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define region CCMRAM_region = mem:[from __region_CCMRAM_start__ to __region_CCMRAM_end__];
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/* Common - Do not change */
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if (!isdefinedsymbol(MBED_APP_START)) {
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define symbol MBED_APP_START = MBED_ROM_START;
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}
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if (!isdefinedsymbol(MBED_APP_SIZE)) {
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define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
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}
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/* Stack and Heap */
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if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
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/* This value is normally defined by the tools
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to 0x1000 for bare metal and 0x400 for RTOS */
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define symbol MBED_BOOT_STACK_SIZE = 0x400;
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}
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define symbol __size_cstack__ = MBED_BOOT_STACK_SIZE;
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define symbol __size_heap__ = 0xC00;
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define block CSTACK with alignment = 8, size = __size_cstack__ { };
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define block HEAP with alignment = 8, size = __size_heap__ { };
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define block STACKHEAP with fixed order { block HEAP, block CSTACK };
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initialize by copy with packing = zeros { readwrite };
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/* Round up VECTORS_SIZE to 8 bytes */
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define symbol VECTORS_SIZE = ((VECTORS * 4) + 7) & ~7;
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define symbol RAM_REGION_START = MBED_RAM_START + VECTORS_SIZE;
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define symbol RAM_REGION_SIZE = MBED_RAM_SIZE - VECTORS_SIZE;
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define memory mem with size = 4G;
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define region ROM_region = mem:[from MBED_APP_START size MBED_APP_SIZE];
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define region RAM_region = mem:[from RAM_REGION_START size RAM_REGION_SIZE];
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define block CSTACK with alignment = 8, size = MBED_BOOT_STACK_SIZE { };
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define block HEAP with alignment = 8, size = HEAP_SIZE { };
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initialize by copy { readwrite };
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do not initialize { section .noinit };
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place at address mem:__intvec_start__ { readonly section .intvec };
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place at address mem: MBED_APP_START { readonly section .intvec };
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place in ROM_region { readonly };
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place in RAM_region { readwrite, block STACKHEAP };
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place in RAM_region { readwrite,
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block CSTACK, block HEAP };
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@ -1,37 +1,39 @@
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/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2014, STMicroelectronics
|
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* All rights reserved.
|
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* SPDX-License-Identifier: BSD-3-Clause
|
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******************************************************************************
|
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* @attention
|
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*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* <h2><center>© Copyright (c) 2016-2020 STMicroelectronics.
|
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* All rights reserved.</center></h2>
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
* This software 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
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*******************************************************************************
|
||||
*/
|
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******************************************************************************
|
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*/
|
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|
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#ifndef MBED_CMSIS_NVIC_H
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#define MBED_CMSIS_NVIC_H
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|
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#if !defined(MBED_ROM_START)
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#define MBED_ROM_START 0x8000000
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#endif
|
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|
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#if !defined(MBED_ROM_SIZE)
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#define MBED_ROM_SIZE 0x10000 // 64 KB
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#endif
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|
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#if !defined(MBED_RAM_START)
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#define MBED_RAM_START 0x20000000
|
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#endif
|
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|
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#if !defined(MBED_RAM_SIZE)
|
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#define MBED_RAM_SIZE 0x3000 // 12 KB
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#endif
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|
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#define NVIC_NUM_VECTORS 98
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#define NVIC_RAM_VECTOR_ADDRESS 0x20000000 // Vectors positioned at start of RAM
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#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
|
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|
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#endif
|
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|
|
|
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|
|
@ -1,81 +1,54 @@
|
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#! armcc -E
|
||||
; Scatter-Loading Description File
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; Copyright (c) 2014, STMicroelectronics
|
||||
; All rights reserved.
|
||||
;
|
||||
; Redistribution and use in source and binary forms, with or without
|
||||
; modification, are permitted provided that the following conditions are met:
|
||||
;
|
||||
; 1. Redistributions of source code must retain the above copyright notice,
|
||||
; this list of conditions and the following disclaimer.
|
||||
; 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
; this list of conditions and the following disclaimer in the documentation
|
||||
; and/or other materials provided with the distribution.
|
||||
; 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
; may be used to endorse or promote products derived from this software
|
||||
; without specific prior written permission.
|
||||
;
|
||||
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; 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 0x08000000
|
||||
#define MBED_APP_START MBED_ROM_START
|
||||
#endif
|
||||
|
||||
; STM32F303RE: 512KB FLASH (0x80000)
|
||||
#if !defined(MBED_APP_SIZE)
|
||||
#define MBED_APP_SIZE 0x80000
|
||||
#define MBED_APP_SIZE MBED_ROM_SIZE
|
||||
#endif
|
||||
|
||||
;64KB SRAM (0x10000)
|
||||
#if !defined(MBED_RAM_START)
|
||||
#define MBED_RAM_START 0x20000000
|
||||
#endif
|
||||
|
||||
#if !defined(MBED_RAM_SIZE)
|
||||
#define MBED_RAM_SIZE 0x10000
|
||||
#endif
|
||||
|
||||
|
||||
#if !defined(MBED_BOOT_STACK_SIZE)
|
||||
#define MBED_BOOT_STACK_SIZE 0x400
|
||||
/* This value is normally defined by the tools to 0x1000 for bare metal and 0x400 for RTOS */
|
||||
#define MBED_BOOT_STACK_SIZE 0x400
|
||||
#endif
|
||||
|
||||
; 101 vectors = 404 bytes (0x194) 8-byte aligned = 0x198 (0x194 + 0x4) to be reserved in RAM
|
||||
#define VECTOR_SIZE 0x198
|
||||
/* Round up VECTORS_SIZE to 8 bytes */
|
||||
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
|
||||
|
||||
#define RAM_FIXED_SIZE (MBED_BOOT_STACK_SIZE+VECTOR_SIZE)
|
||||
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
|
||||
|
||||
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region
|
||||
|
||||
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
|
||||
*.o (RESET, +First)
|
||||
*(InRoot$$Sections)
|
||||
.ANY (+RO)
|
||||
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
|
||||
*.o (RESET, +First)
|
||||
*(InRoot$$Sections)
|
||||
.ANY (+RO)
|
||||
}
|
||||
|
||||
RW_IRAM1 (MBED_RAM_START+VECTOR_SIZE) (MBED_RAM_SIZE-VECTOR_SIZE) { ; RW data
|
||||
.ANY (+RW +ZI)
|
||||
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
|
||||
.ANY (+RW +ZI)
|
||||
}
|
||||
|
||||
ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (MBED_RAM_SIZE-RAM_FIXED_SIZE+MBED_RAM_START-AlignExpr(ImageLimit(RW_IRAM1), 16)) {
|
||||
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
|
||||
}
|
||||
|
||||
CCMRAM (0x10000000) (0x4000) {
|
||||
.ANY (CCMRAM)
|
||||
ARM_LIB_STACK (MBED_RAM_START + MBED_RAM_SIZE) EMPTY -MBED_BOOT_STACK_SIZE { ; Stack region growing down
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,32 +1,51 @@
|
|||
/* 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)
|
||||
#define MBED_BOOT_STACK_SIZE 0x400
|
||||
/* This value is normally defined by the tools
|
||||
to 0x1000 for bare metal and 0x400 for RTOS */
|
||||
#define MBED_BOOT_STACK_SIZE 0x400
|
||||
#endif
|
||||
|
||||
STACK_SIZE = MBED_BOOT_STACK_SIZE;
|
||||
|
||||
/* 0x194 resevered for vectors; 8-byte aligned = 0x198 (0x194 + 0x4)*/
|
||||
#ifndef MBED_APP_START
|
||||
#define MBED_APP_START 0x08000000
|
||||
#endif
|
||||
|
||||
#ifndef MBED_APP_SIZE
|
||||
#define MBED_APP_SIZE 512K
|
||||
#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
|
||||
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 16K
|
||||
RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 64K - (0x194+0x4)
|
||||
{
|
||||
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
|
||||
|
|
@ -57,6 +76,7 @@ SECTIONS
|
|||
{
|
||||
KEEP(*(.isr_vector))
|
||||
*(.text*)
|
||||
|
||||
KEEP(*(.init))
|
||||
KEEP(*(.fini))
|
||||
|
||||
|
|
@ -79,7 +99,7 @@ SECTIONS
|
|||
KEEP(*(.eh_frame*))
|
||||
} > FLASH
|
||||
|
||||
.ARM.extab :
|
||||
.ARM.extab :
|
||||
{
|
||||
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
||||
} > FLASH
|
||||
|
|
@ -93,7 +113,7 @@ SECTIONS
|
|||
|
||||
__etext = .;
|
||||
_sidata = .;
|
||||
|
||||
|
||||
.data : AT (__etext)
|
||||
{
|
||||
__data_start__ = .;
|
||||
|
|
@ -114,7 +134,6 @@ SECTIONS
|
|||
KEEP(*(.init_array))
|
||||
PROVIDE_HIDDEN (__init_array_end = .);
|
||||
|
||||
|
||||
. = ALIGN(8);
|
||||
/* finit data */
|
||||
PROVIDE_HIDDEN (__fini_array_start = .);
|
||||
|
|
@ -130,6 +149,19 @@ SECTIONS
|
|||
|
||||
} > 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);
|
||||
|
|
@ -141,13 +173,13 @@ SECTIONS
|
|||
__bss_end__ = .;
|
||||
_ebss = .;
|
||||
} > RAM
|
||||
|
||||
|
||||
.heap (COPY):
|
||||
{
|
||||
__end__ = .;
|
||||
end = __end__;
|
||||
PROVIDE(end = .);
|
||||
*(.heap*)
|
||||
. = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
|
||||
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
|
||||
__HeapLimit = .;
|
||||
} > RAM
|
||||
|
||||
|
|
@ -163,17 +195,9 @@ SECTIONS
|
|||
* size of stack_dummy section */
|
||||
__StackTop = ORIGIN(RAM) + LENGTH(RAM);
|
||||
_estack = __StackTop;
|
||||
__StackLimit = __StackTop - STACK_SIZE;
|
||||
__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")
|
||||
|
||||
.CCMRAM (NOLOAD):
|
||||
{
|
||||
Image$$RW_IRAM2$$Base = . ;
|
||||
*(CCMRAM)
|
||||
Image$$RW_IRAM2$$ZI$$Limit = .;
|
||||
} > CCM
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,42 +1,59 @@
|
|||
if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
|
||||
if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x80000; }
|
||||
/* 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 */
|
||||
|
||||
/* [ROM = 512kb = 0x80000] */
|
||||
define symbol __intvec_start__ = MBED_APP_START;
|
||||
define symbol __region_ROM_start__ = MBED_APP_START;
|
||||
define symbol __region_ROM_end__ = MBED_APP_START + MBED_APP_SIZE - 1;
|
||||
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
|
||||
|
||||
define symbol __region_CCMRAM_start__ = 0x10000000;
|
||||
define symbol __region_CCMRAM_end__ = 0x10003FFF;
|
||||
define symbol VECTORS = 101; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
|
||||
define symbol HEAP_SIZE = 0x4000;
|
||||
|
||||
/* [RAM = 64kb = 0x10000] Vector table dynamic copy: 101 vectors = 404 bytes (0x194) to be reserved in RAM */
|
||||
define symbol __NVIC_start__ = 0x20000000;
|
||||
define symbol __NVIC_end__ = 0x20000197; /* Add 4 more bytes to be aligned on 8 bytes */
|
||||
define symbol __region_RAM_start__ = 0x20000198;
|
||||
define symbol __region_RAM_end__ = 0x2000FFFF;
|
||||
/* Common - Do not change */
|
||||
|
||||
/* Memory regions */
|
||||
define memory mem with size = 4G;
|
||||
define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__];
|
||||
define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__];
|
||||
define region CCMRAM_region = mem:[from __region_CCMRAM_start__ to __region_CCMRAM_end__];
|
||||
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;
|
||||
}
|
||||
|
||||
/* Stack and Heap */
|
||||
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;
|
||||
}
|
||||
define symbol __size_cstack__ = MBED_BOOT_STACK_SIZE;
|
||||
define symbol __size_heap__ = 0x5000;
|
||||
define block CSTACK with alignment = 8, size = __size_cstack__ { };
|
||||
define block HEAP with alignment = 8, size = __size_heap__ { };
|
||||
define block STACKHEAP with fixed order { block HEAP, block CSTACK };
|
||||
|
||||
initialize by copy with packing = zeros { readwrite };
|
||||
/* 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 };
|
||||
do not initialize { section CCMRAM };
|
||||
|
||||
place at address mem:__intvec_start__ { readonly section .intvec };
|
||||
place at address mem: MBED_APP_START { readonly section .intvec };
|
||||
|
||||
place in ROM_region { readonly };
|
||||
place in RAM_region { readwrite, block STACKHEAP };
|
||||
place in CCMRAM_region { section CCMRAM };
|
||||
place in RAM_region { readwrite,
|
||||
block CSTACK, block HEAP };
|
||||
|
|
|
|||
|
|
@ -1,41 +1,39 @@
|
|||
/* mbed Microcontroller Library
|
||||
*******************************************************************************
|
||||
* Copyright (c) 2014, STMicroelectronics
|
||||
* All rights reserved.
|
||||
* SPDX-License-Identifier: BSD-3-Clause
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* <h2><center>© Copyright (c) 2016-2020 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
* This software 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
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*******************************************************************************
|
||||
*/
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
#ifndef MBED_CMSIS_NVIC_H
|
||||
#define MBED_CMSIS_NVIC_H
|
||||
|
||||
// STM32F303RE
|
||||
// CORE: 16 vectors = 64 bytes from 0x00 to 0x3F
|
||||
// MCU Peripherals: 85 vectors = 340 bytes from 0x40 to 0x193
|
||||
// Total: 101 vectors = 404 bytes (0x194) to be reserved in RAM
|
||||
#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 0x10000 // 64 KB
|
||||
#endif
|
||||
|
||||
#define NVIC_NUM_VECTORS 101
|
||||
#define NVIC_RAM_VECTOR_ADDRESS 0x20000000 // Vectors positioned at start of RAM
|
||||
#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue