/* ** ################################################################### ** Processors: MIMX8MN4CVTIZ ** MIMX8MN4DVTJZ ** ** Compiler: GNU C Compiler ** Reference manual: MX8MNRM, Rev.B, 07/2019 ** Version: rev. 2.0, 2019-09-23 ** Build: b200331 ** ** Abstract: ** Linker file for the GNU C Compiler ** ** Copyright 2016 Freescale Semiconductor, Inc. ** Copyright 2016-2020 NXP ** All rights reserved. ** ** SPDX-License-Identifier: BSD-3-Clause ** ** http: www.nxp.com ** mail: support@nxp.com ** ** ################################################################### */ /* Entry Point */ ENTRY(Reset_Handler) HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400; STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400; /* Specify the memory areas */ MEMORY { m_interrupts (RX) : ORIGIN = 0x00000000, LENGTH = 0x00000240 m_text (RX) : ORIGIN = 0x00000240, LENGTH = 0x0001FDC0 m_data (RW) : ORIGIN = 0x20000000, LENGTH = 0x00020000 m_data2 (RW) : ORIGIN = 0x80000000, LENGTH = 0x01000000 } /* Define output sections */ SECTIONS { /* The startup code goes first into internal RAM */ .interrupts : { __VECTOR_TABLE = .; __Vectors = .; . = ALIGN(4); KEEP(*(.isr_vector)) /* Startup code */ . = ALIGN(4); } > m_interrupts .resource_table : { . = ALIGN(8); KEEP(*(.resource_table)) /* Resource table */ . = ALIGN(8); } > m_text /* The program code and other data goes into internal RAM */ .text : { . = ALIGN(4); *(.text) /* .text sections (code) */ *(.text*) /* .text* sections (code) */ *(.rodata) /* .rodata sections (constants, strings, etc.) */ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ *(.glue_7) /* glue arm to thumb code */ *(.glue_7t) /* glue thumb to arm code */ *(.eh_frame) KEEP (*(.init)) KEEP (*(.fini)) . = ALIGN(4); } > m_text .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } > m_text .ARM : { __exidx_start = .; *(.ARM.exidx*) __exidx_end = .; } > m_text .ctors : { __CTOR_LIST__ = .; /* gcc uses crtbegin.o to find the start of the constructors, so we make sure it is first. Because this is a wildcard, it doesn't matter if the user does not actually link against crtbegin.o; the linker won't look for a file to match a wildcard. The wildcard also means that it doesn't matter which directory crtbegin.o is in. */ KEEP (*crtbegin.o(.ctors)) KEEP (*crtbegin?.o(.ctors)) /* We don't want to include the .ctor section from from the crtend.o file until after the sorted ctors. The .ctor section from the crtend file contains the end of ctors marker and it must be last */ KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) __CTOR_END__ = .; } > m_text .dtors : { __DTOR_LIST__ = .; KEEP (*crtbegin.o(.dtors)) KEEP (*crtbegin?.o(.dtors)) KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) __DTOR_END__ = .; } > m_text .preinit_array : { PROVIDE_HIDDEN (__preinit_array_start = .); KEEP (*(.preinit_array*)) PROVIDE_HIDDEN (__preinit_array_end = .); } > m_text .init_array : { PROVIDE_HIDDEN (__init_array_start = .); KEEP (*(SORT(.init_array.*))) KEEP (*(.init_array*)) PROVIDE_HIDDEN (__init_array_end = .); } > m_text .fini_array : { PROVIDE_HIDDEN (__fini_array_start = .); KEEP (*(SORT(.fini_array.*))) KEEP (*(.fini_array*)) PROVIDE_HIDDEN (__fini_array_end = .); } > m_text __etext = .; /* define a global symbol at end of code */ __DATA_ROM = .; /* Symbol is used by startup for data initialization */ .data : AT(__DATA_ROM) { . = ALIGN(4); __DATA_RAM = .; __data_start__ = .; /* create a global symbol at data start */ *(.data) /* .data sections */ *(.data*) /* .data* sections */ KEEP(*(.jcr*)) . = ALIGN(4); __data_end__ = .; /* define a global symbol at data end */ } > m_data __CACHE_REGION_START = ORIGIN(m_interrupts); __CACHE_REGION_SIZE = 0; __NDATA_ROM = __DATA_ROM + SIZEOF(.data); /* Symbol is used by startup for ncache data initialization */ .ncache.init : AT(__NDATA_ROM) { __noncachedata_start__ = .; /* create a global symbol at ncache data start */ *(NonCacheable.init) . = ALIGN(4); __noncachedata_init_end__ = .; /* create a global symbol at initialized ncache data end */ } > m_data2 . = __noncachedata_init_end__; .ncache : { *(NonCacheable) . = ALIGN(4); __noncachedata_end__ = .; /* define a global symbol at ncache data end */ } > m_data2 __DATA_END = __DATA_ROM + (__data_end__ - __data_start__); text_end = ORIGIN(m_text) + LENGTH(m_text); ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data") /* Uninitialized data section */ .bss : { /* This is used by the startup in order to initialize the .bss section */ . = ALIGN(4); __START_BSS = .; __bss_start__ = .; *(.bss) *(.bss*) *(COMMON) . = ALIGN(4); __bss_end__ = .; __END_BSS = .; } > m_data .heap : { . = ALIGN(8); __end__ = .; PROVIDE(end = .); __HeapBase = .; . += HEAP_SIZE; __HeapLimit = .; __heap_limit = .; /* Add for _sbrk */ } > m_data .stack : { . = ALIGN(8); . += STACK_SIZE; } > m_data /* Initializes stack on the end of block */ __StackTop = ORIGIN(m_data) + LENGTH(m_data); __StackLimit = __StackTop - STACK_SIZE; PROVIDE(__stack = __StackTop); .ARM.attributes 0 : { *(.ARM.attributes) } ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap") }