diff options
Diffstat (limited to 'Sensor Watch Starter Project/linker/saml22j18.ld')
| -rwxr-xr-x | Sensor Watch Starter Project/linker/saml22j18.ld | 195 |
1 files changed, 129 insertions, 66 deletions
diff --git a/Sensor Watch Starter Project/linker/saml22j18.ld b/Sensor Watch Starter Project/linker/saml22j18.ld index a68c3b14..a9801509 100755 --- a/Sensor Watch Starter Project/linker/saml22j18.ld +++ b/Sensor Watch Starter Project/linker/saml22j18.ld @@ -1,82 +1,145 @@ -/* - * Copyright (c) 2014-2016, Alex Taradov <alex@taradov.com> - * All rights reserved. +/** + * \file * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: + * \brief Linker script for running in internal FLASH on the SAML22J18A * - * 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. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. + * Copyright (c) 2018 Microchip Technology Inc. + * + * \asf_license_start + * + * \page License + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the Licence at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * \asf_license_stop * - * 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. */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ MEMORY { - flash (rx) : ORIGIN = 0x00000000+0x2000, LENGTH = 0x00040000-0x2000 /* 256k */ - ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x8000 /* 32k */ + rom (rx) : ORIGIN = 0x2000, LENGTH = 0x00040000-0x2000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 } -__top_flash = ORIGIN(flash) + LENGTH(flash); -__top_ram = ORIGIN(ram) + LENGTH(ram); +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000; -ENTRY(irq_handler_reset) +ENTRY(Reset_Handler) +/* Section Definitions */ SECTIONS { - .text : ALIGN(4) - { - FILL(0xff) - KEEP(*(.vectors)) - *(.text*) - *(.rodata) - *(.rodata.*) - . = ALIGN(4); - } > flash - - . = ALIGN(4); - _etext = .; - - .uninit_RESERVED : ALIGN(4) - { - KEEP(*(.bss.$RESERVED*)) - } > ram - - .data : ALIGN(4) - { - FILL(0xff) - _data = .; - *(.ramfunc .ramfunc.*); - *(vtable) - *(.data*) - . = ALIGN(4); - _edata = .; - } > ram AT > flash - - .bss : ALIGN(4) - { - _bss = .; - *(.bss*) - *(COMMON) + .text : + { + . = ALIGN(4); + _sfixed = .; + KEEP(*(.vectors .vectors.*)) + *(.text .text.* .gnu.linkonce.t.*) + *(.glue_7t) *(.glue_7) + *(.rodata .rodata* .gnu.linkonce.r.*) + *(.ARM.extab* .gnu.linkonce.armextab.*) + + /* Support C constructors, and C destructors in both user code + and the C library. This also provides support for C++ code. */ + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + . = ALIGN(4); + _efixed = .; /* End of text section */ + } > rom + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + PROVIDE_HIDDEN (__exidx_start = .); + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > rom + PROVIDE_HIDDEN (__exidx_end = .); + . = ALIGN(4); - _ebss = .; - PROVIDE(_end = .); - } > ram + _etext = .; + + .relocate : AT (_etext) + { + . = ALIGN(4); + _srelocate = .; + *(.ramfunc .ramfunc.*); + *(.data .data.*); + . = ALIGN(4); + _erelocate = .; + } > ram + + /* .bss section which is used for uninitialized data */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + _szero = .; + *(.bss .bss.*) + *(COMMON) + . = ALIGN(4); + _ebss = . ; + _ezero = .; + } > ram - PROVIDE(_stack_top = __top_ram - 0); + /* stack section */ + .stack (NOLOAD): + { + . = ALIGN(8); + _sstack = .; + . = . + STACK_SIZE; + . = ALIGN(8); + _estack = .; + } > ram + + . = ALIGN(4); + _end = . ; } |