| /* |
| ** ################################################################### |
| ** Processor: MIMX8MQ6DVAJZ |
| ** Compiler: GNU C Compiler |
| ** Reference manual: IMX8MDQLQRM, Rev. 0, Jan. 2018 |
| ** Version: rev. 4.0, 2018-01-26 |
| ** 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 = 0x1FFE0000, LENGTH = 0x00000240 |
| m_text (RX) : ORIGIN = 0x1FFE0240, 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") |
| } |
| |