/* iMX_RT_10XX_FlexSPI_NOR.ld - compatible with MCUXpresso > V11.4        */
/* GCC memory file for the iMX RT 1020 - for use with the uTasker project */
/* Use when running from FlexSPI Flash (total up to 512k CPU SRAM)        */


_HeapSize = 0x0;                                    /* uTasker project usually does not use library heap */
_StackSize = 0x0;                                   /* uTasker project organises stack at run time       */

MEMORY
{
  /* Define each memory region */
  BOARD_FLASH (rx) : ORIGIN = 0x60000000, LENGTH = 0x800000 /* 8M bytes (alias Flash) */  
  SRAM_DTC (rwx) : ORIGIN = 0x20000300, LENGTH = 0x80000-0x0300 /* up to 512K bytes (alias RAM) - with vectors at the start */  
  SRAM_ITC (rwx) : ORIGIN = 0x0, LENGTH = 0x80000 /* up to 512K bytes (alias RAM2) */  
  SRAM_OC (rwx) : ORIGIN = 0x20200000, LENGTH = 0xc0000 /* 768K bytes (alias RAM3) */  
  BOARD_SDRAM (rwx) : ORIGIN = 0x80000000, LENGTH = 0x1e00000 /* 30M bytes (alias RAM4) */  
  NCACHE_REGION (rwx) : ORIGIN = 0x81e00000, LENGTH = 0x200000 /* 2M bytes (alias RAM5) */  
}

  /* Define a symbol for the top of each memory region */
  __base_BOARD_FLASH = 0x60000000  ; /* BOARD_FLASH */  
  __base_Flash = 0x60000000 ; /* Flash */  
  __top_BOARD_FLASH = 0x60000000 + 0x800000 ; /* 8M bytes */  
  __top_Flash = 0x60000000 + 0x800000 ; /* 8M bytes */  
  __base_SRAM_DTC = 0x20000300  ; /* SRAM_DTC */  
  __base_RAM = 0x20000000 ; /* RAM */  
  __top_SRAM_DTC = 0x20000300 + 0x80000 - 0x0300 ; /* up to 512k bytes */  
  __top_RAM = 0x20000000 + 0x80000 ; /* up to 512k bytes */  
  __base_SRAM_ITC = 0x0  ; /* SRAM_ITC */  
  __base_RAM2 = 0x0 ; /* RAM2 */  
  __top_SRAM_ITC = 0x0 + 0x80000 ; /* up to 512K bytes */  
  __top_RAM2 = 0x0 + 0x80000 ; /* up to 512K bytes */  
  __base_SRAM_OC = 0x20200000  ; /* SRAM_OC */  
  __base_RAM3 = 0x20200000 ; /* RAM3 */  
  __top_SRAM_OC = 0x20200000 + 0xc0000 ; /* 768K bytes */  
  __top_RAM3 = 0x20200000 + 0xc0000 ; /* 768K bytes */  
  __base_BOARD_SDRAM = 0x80000000  ; /* BOARD_SDRAM */  
  __base_RAM4 = 0x80000000 ; /* RAM4 */  
  __top_BOARD_SDRAM = 0x80000000 + 0x1e00000 ; /* 30M bytes */  
  __top_RAM4 = 0x80000000 + 0x1e00000 ; /* 30M bytes */  
  __base_NCACHE_REGION = 0x81e00000  ; /* NCACHE_REGION */  
  __base_RAM5 = 0x81e00000 ; /* RAM5 */  
  __top_NCACHE_REGION = 0x81e00000 + 0x200000 ; /* 2M bytes */  
  __top_RAM5 = 0x81e00000 + 0x200000 ; /* 2M bytes */  



ENTRY(__vector_table)

SECTIONS
{
     /* Image Vector Table and Boot Data for booting from external flash */
    .boot_hdr : ALIGN(4)
    {
        FILL(0xff)
        __boot_hdr_start__ = ABSOLUTE(.) ;
        KEEP(*(.boot_hdr.conf))
        . = 0x1000 ;
        KEEP(*(.boot_hdr.ivt))
        . = 0x1020 ;
        KEEP(*(.boot_hdr.boot_data))
        . = 0x1030 ;
        KEEP(*(.boot_hdr.dcd_data))
        . = 0x1fb0 ;
        KEEP(*(.boot_hdr.key))
        . = 0x1fe0 ;
        KEEP(*(.boot_hdr.init))
        __boot_hdr_end__ = ABSOLUTE(.) ;
        . = 0x2000 ;
    } >BOARD_FLASH

    /* MAIN TEXT SECTION */
    .text : ALIGN(4)
    {
        FILL(0xff)
        __vectors_start__ = ABSOLUTE(.) ;
        KEEP(*(.vectors))
        /* Global Section Table */
        . = ALIGN(4) ;
        __section_table_start = .;
        __data_section_table = .;
        LONG(LOADADDR(.data));
        LONG(    ADDR(.data));
        LONG(  SIZEOF(.data));
        LONG(LOADADDR(.data_RAM2));
        LONG(    ADDR(.data_RAM2));
        LONG(  SIZEOF(.data_RAM2));
        LONG(LOADADDR(.data_RAM3));
        LONG(    ADDR(.data_RAM3));
        LONG(  SIZEOF(.data_RAM3));
        LONG(LOADADDR(.data_RAM4));
        LONG(    ADDR(.data_RAM4));
        LONG(  SIZEOF(.data_RAM4));
        LONG(LOADADDR(.data_RAM5));
        LONG(    ADDR(.data_RAM5));
        LONG(  SIZEOF(.data_RAM5));
        __data_section_table_end = .;
        __bss_section_table = .;
        LONG(    ADDR(.bss));
        LONG(  SIZEOF(.bss));
        LONG(    ADDR(.bss_RAM2));
        LONG(  SIZEOF(.bss_RAM2));
        LONG(    ADDR(.bss_RAM3));
        LONG(  SIZEOF(.bss_RAM3));
        LONG(    ADDR(.bss_RAM4));
        LONG(  SIZEOF(.bss_RAM4));
        LONG(    ADDR(.bss_RAM5));
        LONG(  SIZEOF(.bss_RAM5));
        __bss_section_table_end = .;
        __section_table_end = . ;
        /* End of Global Section Table */

        *(.after_vectors*)

       *(.text*)
       *(.rodata .rodata.* .constdata .constdata.*)
       . = ALIGN(4);
    } > BOARD_FLASH
    /*
     * for exception handling/unwind - some Newlib functions (in common
     * with C++ and STDC++) use this.
     */
    .ARM.extab : ALIGN(4)
    {
        *(.ARM.extab* .gnu.linkonce.armextab.*)
    } > BOARD_FLASH

    .ARM.exidx : ALIGN(4)
    {
        __exidx_start = .;
        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
        __exidx_end = .;
    } > BOARD_FLASH
 
    _etext = .;
        
    /* DATA section for SRAM_ITC */

    .data_RAM2 : ALIGN(4)
    {
        FILL(0xff)
        PROVIDE(__start_data_RAM2 = .) ;
        PROVIDE(__start_data_SRAM_ITC = .) ;
        *(.ramfunc.$RAM2)
        *(.ramfunc.$SRAM_ITC)
        *(.data.$RAM2)
        *(.data.$SRAM_ITC)
        *(.data.$RAM2.*)
        *(.data.$SRAM_ITC.*)
        . = ALIGN(4) ;
        PROVIDE(__end_data_RAM2 = .) ;
        PROVIDE(__end_data_SRAM_ITC = .) ;
     } > SRAM_ITC AT>BOARD_FLASH

    /* DATA section for SRAM_OC */

    .data_RAM3 : ALIGN(4)
    {
        FILL(0xff)
        PROVIDE(__start_data_RAM3 = .) ;
        PROVIDE(__start_data_SRAM_OC = .) ;
        *(.ramfunc.$RAM3)
        *(.ramfunc.$SRAM_OC)
        *(.data.$RAM3)
        *(.data.$SRAM_OC)
        *(.data.$RAM3.*)
        *(.data.$SRAM_OC.*)
        . = ALIGN(4) ;
        PROVIDE(__end_data_RAM3 = .) ;
        PROVIDE(__end_data_SRAM_OC = .) ;
     } > SRAM_OC AT>BOARD_FLASH

    /* DATA section for BOARD_SDRAM */

    .data_RAM4 : ALIGN(4)
    {
        FILL(0xff)
        PROVIDE(__start_data_RAM4 = .) ;
        PROVIDE(__start_data_BOARD_SDRAM = .) ;
        *(.ramfunc.$RAM4)
        *(.ramfunc.$BOARD_SDRAM)
        *(.data.$RAM4)
        *(.data.$BOARD_SDRAM)
        *(.data.$RAM4.*)
        *(.data.$BOARD_SDRAM.*)
        . = ALIGN(4) ;
        PROVIDE(__end_data_RAM4 = .) ;
        PROVIDE(__end_data_BOARD_SDRAM = .) ;
     } > BOARD_SDRAM AT>BOARD_FLASH

    /* DATA section for NCACHE_REGION */

    .data_RAM5 : ALIGN(4)
    {
        FILL(0xff)
        PROVIDE(__start_data_RAM5 = .) ;
        PROVIDE(__start_data_NCACHE_REGION = .) ;
        *(.ramfunc.$RAM5)
        *(.ramfunc.$NCACHE_REGION)
        *(.data.$RAM5)
        *(.data.$NCACHE_REGION)
        *(.data.$RAM5.*)
        *(.data.$NCACHE_REGION.*)
        . = ALIGN(4) ;
        PROVIDE(__end_data_RAM5 = .) ;
        PROVIDE(__end_data_NCACHE_REGION = .) ;
     } > NCACHE_REGION AT>BOARD_FLASH

    /* MAIN DATA SECTION */
    .uninit_RESERVED (NOLOAD) : ALIGN(4)
    {
        _start_uninit_RESERVED = .;
        KEEP(*(.bss.$RESERVED*))
       . = ALIGN(4) ;
        _end_uninit_RESERVED = .;
    } > SRAM_DTC AT> SRAM_DTC

    /* Main DATA section (SRAM_DTC) */
    .data : ALIGN(4)
    {
       FILL(0xff)
       _data = . ;
       PROVIDE(__start_data_RAM = .) ;
       PROVIDE(__start_data_SRAM_DTC = .) ;
       *(vtable)
       *(.ramfunc*)
       KEEP(*(CodeQuickAccess))
       KEEP(*(DataQuickAccess))
       *(RamFunction)
       *(NonCacheable.init)
       *(.data*)
       . = ALIGN(4) ;
       _edata = . ;
       PROVIDE(__end_data_RAM = .) ;
       PROVIDE(__end_data_SRAM_DTC = .) ;
    } > SRAM_DTC AT>BOARD_FLASH

    /* BSS section for SRAM_ITC */
    .bss_RAM2 : ALIGN(4)
    {
       PROVIDE(__start_bss_RAM2 = .) ;
       PROVIDE(__start_bss_SRAM_ITC = .) ;
       *(.bss.$RAM2)
       *(.bss.$SRAM_ITC)
       *(.bss.$RAM2.*)
       *(.bss.$SRAM_ITC.*)
       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
       PROVIDE(__end_bss_RAM2 = .) ;
       PROVIDE(__end_bss_SRAM_ITC = .) ;
    } > SRAM_ITC AT> SRAM_ITC

    /* BSS section for SRAM_OC */
    .bss_RAM3 : ALIGN(4)
    {
       PROVIDE(__start_bss_RAM3 = .) ;
       PROVIDE(__start_bss_SRAM_OC = .) ;
       *(.bss.$RAM3)
       *(.bss.$SRAM_OC)
       *(.bss.$RAM3.*)
       *(.bss.$SRAM_OC.*)
       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
       PROVIDE(__end_bss_RAM3 = .) ;
       PROVIDE(__end_bss_SRAM_OC = .) ;
    } > SRAM_OC AT> SRAM_OC

    /* BSS section for BOARD_SDRAM */
    .bss_RAM4 : ALIGN(4)
    {
       PROVIDE(__start_bss_RAM4 = .) ;
       PROVIDE(__start_bss_BOARD_SDRAM = .) ;
       *(.bss.$RAM4)
       *(.bss.$BOARD_SDRAM)
       *(.bss.$RAM4.*)
       *(.bss.$BOARD_SDRAM.*)
       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
       PROVIDE(__end_bss_RAM4 = .) ;
       PROVIDE(__end_bss_BOARD_SDRAM = .) ;
    } > BOARD_SDRAM AT> BOARD_SDRAM

    /* BSS section for NCACHE_REGION */
    .bss_RAM5 : ALIGN(4)
    {
       PROVIDE(__start_bss_RAM5 = .) ;
       PROVIDE(__start_bss_NCACHE_REGION = .) ;
       *(.bss.$RAM5)
       *(.bss.$NCACHE_REGION)
       *(.bss.$RAM5.*)
       *(.bss.$NCACHE_REGION.*)
       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
       PROVIDE(__end_bss_RAM5 = .) ;
       PROVIDE(__end_bss_NCACHE_REGION = .) ;
    } > NCACHE_REGION AT> NCACHE_REGION

    /* MAIN BSS SECTION */
    .bss : ALIGN(4)
    {
        _bss = .;
        PROVIDE(__start_bss_RAM = .) ;
        PROVIDE(__start_bss_SRAM_DTC = .) ;
       *(NonCacheable)
        *(.bss*)
        *(COMMON)
        . = ALIGN(4) ;
        _ebss = .;
        PROVIDE(__end_bss_RAM = .) ;
        PROVIDE(__end_bss_SRAM_DTC = .) ;
        PROVIDE(end = .);
    } > SRAM_DTC AT> SRAM_DTC

    /* NOINIT section for SRAM_ITC */
    .noinit_RAM2 (NOLOAD) : ALIGN(4)
    {
       PROVIDE(__start_noinit_RAM2 = .) ;
       PROVIDE(__start_noinit_SRAM_ITC = .) ;
       *(.noinit.$RAM2)
       *(.noinit.$SRAM_ITC)
       *(.noinit.$RAM2.*)
       *(.noinit.$SRAM_ITC.*)
       . = ALIGN(4) ;
       PROVIDE(__end_noinit_RAM2 = .) ;
       PROVIDE(__end_noinit_SRAM_ITC = .) ;
    } > SRAM_ITC AT> SRAM_ITC

    /* NOINIT section for SRAM_OC */
    .noinit_RAM3 (NOLOAD) : ALIGN(4)
    {
       PROVIDE(__start_noinit_RAM3 = .) ;
       PROVIDE(__start_noinit_SRAM_OC = .) ;
       *(.noinit.$RAM3)
       *(.noinit.$SRAM_OC)
       *(.noinit.$RAM3.*)
       *(.noinit.$SRAM_OC.*)
       . = ALIGN(4) ;
       PROVIDE(__end_noinit_RAM3 = .) ;
       PROVIDE(__end_noinit_SRAM_OC = .) ;
    } > SRAM_OC AT> SRAM_OC

    /* NOINIT section for BOARD_SDRAM */
    .noinit_RAM4 (NOLOAD) : ALIGN(4)
    {
       PROVIDE(__start_noinit_RAM4 = .) ;
       PROVIDE(__start_noinit_BOARD_SDRAM = .) ;
       *(.noinit.$RAM4)
       *(.noinit.$BOARD_SDRAM)
       *(.noinit.$RAM4.*)
       *(.noinit.$BOARD_SDRAM.*)
       . = ALIGN(4) ;
       PROVIDE(__end_noinit_RAM4 = .) ;
       PROVIDE(__end_noinit_BOARD_SDRAM = .) ;
    } > BOARD_SDRAM AT> BOARD_SDRAM

    /* NOINIT section for NCACHE_REGION */
    .noinit_RAM5 (NOLOAD) : ALIGN(4)
    {
       PROVIDE(__start_noinit_RAM5 = .) ;
       PROVIDE(__start_noinit_NCACHE_REGION = .) ;
       *(.noinit.$RAM5)
       *(.noinit.$NCACHE_REGION)
       *(.noinit.$RAM5.*)
       *(.noinit.$NCACHE_REGION.*)
       . = ALIGN(4) ;
       PROVIDE(__end_noinit_RAM5 = .) ;
       PROVIDE(__end_noinit_NCACHE_REGION = .) ;
    } > NCACHE_REGION AT> NCACHE_REGION

    /* DEFAULT NOINIT SECTION */
    .noinit (NOLOAD): ALIGN(4)
    {
        _noinit = .;
        PROVIDE(__start_noinit_RAM = .) ;
        PROVIDE(__start_noinit_SRAM_DTC = .) ;
        *(.noinit*)
         . = ALIGN(4) ;
        _end_noinit = .;
       PROVIDE(__end_noinit_RAM = .) ;
       PROVIDE(__end_noinit_SRAM_DTC = .) ;        
    } > SRAM_DTC AT> SRAM_DTC

    /* Reserve and place Heap within memory map */
    .heap (NOLOAD) :  ALIGN(4)
    {
        _pvHeapStart = .;
        . += _HeapSize;
        . = ALIGN(4);
        _pvHeapLimit = .;
    } > SRAM_DTC

     /* Reserve space in memory for Stack */
    .heap2stackfill (NOLOAD) :
    {
        . += _StackSize;
    } > SRAM_DTC
    /* Locate actual Stack in memory map */
    .stack ORIGIN(SRAM_DTC) + LENGTH(SRAM_DTC) - _StackSize - 0 (NOLOAD) :  ALIGN(4)
    {
        _vStackBase = .;
        . = ALIGN(4);
        _vStackTop = . + _StackSize;
    } > SRAM_DTC

    /* Provide basic symbols giving location and size of main text
     * block, including initial values of RW data sections. Note that
     * these will need extending to give a complete picture with
     * complex images (e.g multiple Flash banks).
     */
    _image_start = LOADADDR(.text);
    _image_end = LOADADDR(.data) + SIZEOF(.data);
    _image_size = _image_end - _image_start;

    /* For compatibility with uTasker names */
    /*                                      */
    __data_start__ = _start_uninit_RESERVED;
    __data_end__ = __data_start__ + SIZEOF(.data);
    __data_load_start__ = LOADADDR (.data);
    __bss_start__ = __start_bss_RAM;
    __bss_end__ = __start_bss_RAM + SIZEOF(.bss);
    __heap_end__ = _pvHeapLimit;
}