281 lines
8.3 KiB
Plaintext
281 lines
8.3 KiB
Plaintext
/*
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** ###################################################################
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** Processors: MIMXRT1021CAF4A
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** MIMXRT1021CAG4A
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** MIMXRT1021DAF5A
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** MIMXRT1021DAG5A
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**
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** Compiler: GNU C Compiler
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** Reference manual: IMXRT1020RM Rev.1, 12/2018 | IMXRT1020SRM Rev.3
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** Version: rev. 0.1, 2017-06-06
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** Build: b210709
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**
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** Abstract:
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** Linker file for the GNU C Compiler
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**
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** Copyright 2016 Freescale Semiconductor, Inc.
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** Copyright 2016-2021 NXP
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** All rights reserved.
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**
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** SPDX-License-Identifier: BSD-3-Clause
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**
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** http: www.nxp.com
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** mail: support@nxp.com
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**
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** ###################################################################
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*/
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/* Entry Point */
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ENTRY(Reset_Handler)
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HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x10000;
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STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
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VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x00000400 : 0;
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NCACHE_HEAP_START = DEFINED(__heap_noncacheable__) ? 0x82000000 - HEAP_SIZE : 0x81E00000 - HEAP_SIZE;
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NCACHE_HEAP_SIZE = DEFINED(__heap_noncacheable__) ? HEAP_SIZE : 0x0000;
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/* Specify the memory areas */
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MEMORY
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{
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m_flash_config (RX) : ORIGIN = 0x60000000, LENGTH = 0x00001000
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m_ivt (RX) : ORIGIN = 0x60001000, LENGTH = 0x00001000
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m_interrupts (RX) : ORIGIN = 0x60002000, LENGTH = 0x00000400
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m_text (RX) : ORIGIN = 0x60002400, LENGTH = 0x007FDC00
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m_qacode (RX) : ORIGIN = 0x00000000, LENGTH = 0x00010000
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m_data (RW) : ORIGIN = 0x80000000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x01E00000 : 0x01E00000 - HEAP_SIZE
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m_ncache (RW) : ORIGIN = 0x81E00000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x00200000 - HEAP_SIZE : 0x00200000
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m_data2 (RW) : ORIGIN = 0x20000000, LENGTH = 0x00010000
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m_data3 (RW) : ORIGIN = 0x20200000, LENGTH = 0x00020000
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m_heap (RW) : ORIGIN = NCACHE_HEAP_START, LENGTH = HEAP_SIZE
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}
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/* Define output sections */
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SECTIONS
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{
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__NCACHE_REGION_START = ORIGIN(m_ncache);
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__NCACHE_REGION_SIZE = LENGTH(m_ncache) + NCACHE_HEAP_SIZE;
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.flash_config :
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{
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. = ALIGN(4);
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__FLASH_BASE = .;
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KEEP(* (.boot_hdr.conf)) /* flash config section */
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. = ALIGN(4);
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} > m_flash_config
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ivt_begin = ORIGIN(m_flash_config) + LENGTH(m_flash_config);
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.ivt : AT(ivt_begin)
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{
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. = ALIGN(4);
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KEEP(* (.boot_hdr.ivt)) /* ivt section */
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KEEP(* (.boot_hdr.boot_data)) /* boot section */
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KEEP(* (.boot_hdr.dcd_data)) /* dcd section */
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. = ALIGN(4);
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} > m_ivt
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/* The startup code goes first into internal RAM */
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.interrupts :
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{
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__VECTOR_TABLE = .;
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__Vectors = .;
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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} > m_interrupts
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/* The program code and other data goes into internal RAM */
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.text :
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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*(.glue_7) /* glue arm to thumb code */
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*(.glue_7t) /* glue thumb to arm code */
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*(.eh_frame)
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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(4);
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} > m_text
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > m_text
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.ARM :
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{
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} > m_text
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.ctors :
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{
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__CTOR_LIST__ = .;
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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from the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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__CTOR_END__ = .;
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} > m_text
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.dtors :
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{
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__DTOR_LIST__ = .;
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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__DTOR_END__ = .;
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} > m_text
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array*))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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} > m_text
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array*))
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PROVIDE_HIDDEN (__init_array_end = .);
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} > m_text
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array*))
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PROVIDE_HIDDEN (__fini_array_end = .);
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} > m_text
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__etext = .; /* define a global symbol at end of code */
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__DATA_ROM = .; /* Symbol is used by startup for data initialization */
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.interrupts_ram :
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{
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. = ALIGN(4);
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__VECTOR_RAM__ = .;
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__interrupts_ram_start__ = .; /* Create a global symbol at data start */
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*(.m_interrupts_ram) /* This is a user defined section */
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. += VECTOR_RAM_SIZE;
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. = ALIGN(4);
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__interrupts_ram_end__ = .; /* Define a global symbol at data end */
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} > m_data
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__VECTOR_RAM = DEFINED(__ram_vector_table__) ? __VECTOR_RAM__ : ORIGIN(m_interrupts);
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__RAM_VECTOR_TABLE_SIZE_BYTES = DEFINED(__ram_vector_table__) ? (__interrupts_ram_end__ - __interrupts_ram_start__) : 0x0;
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.data : AT(__DATA_ROM)
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{
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. = ALIGN(4);
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__DATA_RAM = .;
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__data_start__ = .; /* create a global symbol at data start */
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*(m_usb_dma_init_data)
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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KEEP(*(.jcr*))
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. = ALIGN(4);
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__data_end__ = .; /* define a global symbol at data end */
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} > m_data
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__ram_function_flash_start = __DATA_ROM + (__data_end__ - __data_start__); /* Symbol is used by startup for TCM data initialization */
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.ram_function : AT(__ram_function_flash_start)
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{
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. = ALIGN(32);
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__ram_function_start__ = .;
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*(CodeQuickAccess)
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. = ALIGN(128);
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__ram_function_end__ = .;
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} > m_qacode
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__NDATA_ROM = __ram_function_flash_start + (__ram_function_end__ - __ram_function_start__);
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.ncache.init : AT(__NDATA_ROM)
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{
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__noncachedata_start__ = .; /* create a global symbol at ncache data start */
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*(NonCacheable.init)
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. = ALIGN(4);
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__noncachedata_init_end__ = .; /* create a global symbol at initialized ncache data end */
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} > m_ncache
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. = __noncachedata_init_end__;
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.ncache :
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{
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*(NonCacheable)
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. = ALIGN(4);
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__noncachedata_end__ = .; /* define a global symbol at ncache data end */
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} > m_ncache
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__DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
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text_end = ORIGIN(m_text) + LENGTH(m_text);
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ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
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.qadata :
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{
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. = ALIGN(4);
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*(DataQuickAccess) /* quick access data section */
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. = ALIGN(4);
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} > m_data2
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/* Uninitialized data section */
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.bss :
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{
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/* This is used by the startup in order to initialize the .bss section */
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. = ALIGN(4);
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__START_BSS = .;
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__bss_start__ = .;
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*(m_usb_dma_noninit_data)
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*(.bss)
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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__bss_end__ = .;
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__END_BSS = .;
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} > m_data
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.heap :
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{
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. = ALIGN(8);
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__end__ = .;
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PROVIDE(end = .);
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__HeapBase = .;
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. += HEAP_SIZE;
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__HeapLimit = .;
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__heap_limit = .; /* Add for _sbrk */
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} > m_heap
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.stack :
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{
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. = ALIGN(8);
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. += STACK_SIZE;
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} > m_data
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/* Initializes stack on the end of block */
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__StackTop = ORIGIN(m_data) + LENGTH(m_data);
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__StackLimit = __StackTop - STACK_SIZE;
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PROVIDE(__stack = __StackTop);
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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