mirror of https://github.com/ARMmbed/mbed-os.git
STM32L0 baremetal support
jeromecoutant
parent
9b819c7f8b
commit
b57b12cc9f
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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) 2015, 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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; STM32L073RZ: 192KB FLASH (0x30000)
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#if !defined(MBED_APP_SIZE)
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#define MBED_APP_SIZE 0x30000
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#define MBED_APP_SIZE MBED_ROM_SIZE
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#endif
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; 20KB RAM (0x5000)
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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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#if !defined(MBED_RAM_SIZE)
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#define MBED_RAM_SIZE 0x5000
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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 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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; Total: 48 vectors = 192 bytes (0xC0) to be reserved in RAM
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#define VECTOR_SIZE 0xC0
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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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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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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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@ -1,3 +1,46 @@
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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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#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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#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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MEMORY
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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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@ -25,28 +68,6 @@
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* __stack
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* _estack
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*/
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#if !defined(MBED_APP_START)
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#define MBED_APP_START 0x08000000
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#endif
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#if !defined(MBED_APP_SIZE)
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#define MBED_APP_SIZE 0x30000
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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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#endif
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STACK_SIZE = MBED_BOOT_STACK_SIZE;
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/* Linker script to configure memory regions. */
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MEMORY
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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 = 0x200000C0, LENGTH = 20K - 0xC0
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}
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ENTRY(Reset_Handler)
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SECTIONS
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@ -55,6 +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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@ -112,7 +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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@ -128,6 +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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@ -143,9 +177,9 @@ SECTIONS
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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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@ -161,7 +195,7 @@ SECTIONS
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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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/* 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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/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
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define symbol VECTORS = 48; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
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define symbol HEAP_SIZE = 0x1000;
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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 = 0x08000000;
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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 = 0x30000;
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define symbol MBED_APP_SIZE = MBED_ROM_SIZE;
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}
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define symbol __intvec_start__ = MBED_APP_START;
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define symbol __region_ROM_start__ = MBED_APP_START;
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define symbol __region_ROM_end__ = MBED_APP_START + MBED_APP_SIZE - 1;
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/* [RAM = 20kb = 0x5000] Vector table dynamic copy: 48 vectors = 192 bytes (0xC0) to be reserved in RAM */
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define symbol __NVIC_start__ = 0x20000000;
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define symbol __NVIC_end__ = 0x200000BF; /* Aligned on 8 bytes */
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define symbol __region_RAM_start__ = 0x200000C0;
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define symbol __region_RAM_end__ = 0x20004FFF;
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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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/* 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__ = 0x1000;
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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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@ -1,40 +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
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* modification, are permitted provided that the following conditions are met:
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* <h2><center>© Copyright (c) 2016-2020 STMicroelectronics.
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* All rights reserved.</center></h2>
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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
|
||||
* without specific prior written permission.
|
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* 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
|
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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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* 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
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* 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
|
||||
* 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,
|
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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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******************************************************************************
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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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// CORE: 16 vectors = 64 bytes from 0x00 to 0x3F
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// MCU Peripherals: 32 vectors = 128 bytes from 0x40 to 0xBF
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// Total: 48 vectors = 192 bytes (0xC0) to be reserved in RAM
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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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#if !defined(MBED_ROM_SIZE)
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#define MBED_ROM_SIZE 0x30000 // 192 KB
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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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#if !defined(MBED_RAM_SIZE)
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#define MBED_RAM_SIZE 0x5000 // 20 KB
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#endif
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#define NVIC_NUM_VECTORS 48
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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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#endif
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@ -1,54 +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) 2015, 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.
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
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; 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
|
||||
|
||||
#define Stack_Size MBED_BOOT_STACK_SIZE
|
||||
/* Round up VECTORS_SIZE to 8 bytes */
|
||||
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) AND ~7)
|
||||
|
||||
; STM32L072CZ: 192KB FLASH (0x30000) + 20KB RAM (0x5000)
|
||||
LR_IROM1 0x08000000 0x30000 { ; load region size_region
|
||||
LR_IROM1 MBED_APP_START MBED_APP_SIZE {
|
||||
|
||||
ER_IROM1 0x08000000 0x30000 { ; load address = execution address
|
||||
ER_IROM1 MBED_APP_START MBED_APP_SIZE {
|
||||
*.o (RESET, +First)
|
||||
*(InRoot$$Sections)
|
||||
.ANY (+RO)
|
||||
}
|
||||
|
||||
; Total: 48 vectors = 192 bytes (0xC0) to be reserved in RAM
|
||||
RW_IRAM1 (0x20000000+0xC0) (0x5000-0xC0-Stack_Size) { ; RW data
|
||||
RW_IRAM1 (MBED_RAM_START + VECTORS_SIZE) { ; RW data
|
||||
.ANY (+RW +ZI)
|
||||
}
|
||||
|
||||
ARM_LIB_STACK (0x20000000+0x5000) EMPTY -Stack_Size { ; stack
|
||||
}
|
||||
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
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,15 +1,44 @@
|
|||
/* 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
|
||||
|
||||
STACK_SIZE = MBED_BOOT_STACK_SIZE;
|
||||
/* Round up VECTORS_SIZE to 8 bytes */
|
||||
#define VECTORS_SIZE (((NVIC_NUM_VECTORS * 4) + 7) & 0xFFFFFFF8)
|
||||
|
||||
MEMORY
|
||||
{
|
||||
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 192k
|
||||
RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 20K - 0xC0
|
||||
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
|
||||
|
|
@ -47,6 +76,7 @@ SECTIONS
|
|||
{
|
||||
KEEP(*(.isr_vector))
|
||||
*(.text*)
|
||||
|
||||
KEEP(*(.init))
|
||||
KEEP(*(.fini))
|
||||
|
||||
|
|
@ -104,7 +134,6 @@ SECTIONS
|
|||
KEEP(*(.init_array))
|
||||
PROVIDE_HIDDEN (__init_array_end = .);
|
||||
|
||||
|
||||
. = ALIGN(8);
|
||||
/* finit data */
|
||||
PROVIDE_HIDDEN (__fini_array_start = .);
|
||||
|
|
@ -120,6 +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);
|
||||
|
|
@ -135,9 +177,9 @@ SECTIONS
|
|||
.heap (COPY):
|
||||
{
|
||||
__end__ = .;
|
||||
end = __end__;
|
||||
PROVIDE(end = .);
|
||||
*(.heap*)
|
||||
. = ORIGIN(RAM) + LENGTH(RAM) - STACK_SIZE;
|
||||
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
|
||||
__HeapLimit = .;
|
||||
} > RAM
|
||||
|
||||
|
|
@ -153,7 +195,7 @@ 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 */
|
||||
|
|
|
|||
|
|
@ -1,33 +1,59 @@
|
|||
/* [ROM = 192kb = 0x30000] */
|
||||
define symbol __intvec_start__ = 0x08000000;
|
||||
define symbol __region_ROM_start__ = 0x08000000;
|
||||
define symbol __region_ROM_end__ = 0x0802FFFF;
|
||||
/* 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 */
|
||||
|
||||
/* [RAM = 20kb = 0x5000] Vector table dynamic copy: 48 vectors = 192 bytes (0xC0) to be reserved in RAM */
|
||||
define symbol __NVIC_start__ = 0x20000000;
|
||||
define symbol __NVIC_end__ = 0x200000BF; /* Aligned on 8 bytes */
|
||||
define symbol __region_RAM_start__ = 0x200000C0;
|
||||
define symbol __region_RAM_end__ = 0x20004FFF;
|
||||
/* Tools provide -DMBED_ROM_START=xxx -DMBED_ROM_SIZE=xxx -DMBED_RAM_START=xxx -DMBED_RAM_SIZE=xxx */
|
||||
|
||||
/* 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 symbol VECTORS = 48; /* This value must match NVIC_NUM_VECTORS in cmsis_nvic.h */
|
||||
define symbol HEAP_SIZE = 0x1000;
|
||||
|
||||
/* 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;
|
||||
}
|
||||
|
||||
/* 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__ = 0x1000;
|
||||
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 };
|
||||
|
||||
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 RAM_region { readwrite,
|
||||
block CSTACK, block HEAP };
|
||||
|
|
|
|||
|
|
@ -1,41 +1,39 @@
|
|||
/* mbed Microcontroller Library
|
||||
* CMSIS-style functionality to support dynamic vectors
|
||||
*******************************************************************************
|
||||
* Copyright (c) 2017, 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
|
||||
|
||||
// CORE: 16 vectors = 64 bytes from 0x00 to 0x3F
|
||||
// MCU Peripherals: 32 vectors = 128 bytes from 0x40 to 0xBF
|
||||
// Total: 48 vectors = 192 bytes (0xC0) 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 0x30000 // 192 KB
|
||||
#endif
|
||||
|
||||
#if !defined(MBED_RAM_START)
|
||||
#define MBED_RAM_START 0x20000000
|
||||
#endif
|
||||
|
||||
#if !defined(MBED_RAM_SIZE)
|
||||
#define MBED_RAM_SIZE 0x5000 // 20 KB
|
||||
#endif
|
||||
|
||||
#define NVIC_NUM_VECTORS 48
|
||||
#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