xref: /src/sys/arch/evbarm/stand/gzboot/NSLU2_dram_0x01d00000/ldscript

/*	$NetBSD: ldscript,v 1.2 2020/02/12 18:11:30 thorpej Exp $	*/

OUTPUT_FORMAT("elf32-bigarm", "elf32-bigarm",
	      "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(SDRAM)
MEMORY
{
  /* RedBoot will copy the gzboot+compressed kernel image from the
     FIS partition starting @ 0x50060000 to the SDRAM location starting
     at 0x01d00000.  gzboot will uncompress the kernel to 0x00200000.
     NOTE: Even though there is room for 3M of gzboot+compressed kernel,
     there is only room for 1M of this in the FIS partition.  So we declare
     that same limit for "sdram" to simplify the linker script.  */
  flash : o = 0x50060000, l = 1M
  sdram : o = 0x01d00000, l = 1M	/* kernel loads at 0x00200000 */
}
SECTIONS
{
  SDRAM = 0x01d00000;

  /DISCARD/ : { *(.ARM.attributes*) *(.ARM.exidx) }  

  /* Read-only sections, merged into text segment: */
  __text_store = SDRAM;
  .text      :
  AT (SDRAM)
  {
    *(.text)
    *(.text.*)
    *(.stub)
    *(.glue_7t) *(.glue_7)
    *(.rodata) *(.rodata.*)
  } > sdram =0
  PROVIDE (__etext = .);
  PROVIDE (_etext = .);
  PROVIDE (etext = .);
  __data_store = SDRAM + SIZEOF(.text);
  .data    :
  AT (LOADADDR(.text) + SIZEOF(.text))
  {
    __data_start = . ;
    *(.data)
    *(.data.*)
  } > sdram
  .sdata     : 
  AT (LOADADDR(.data) + SIZEOF(.data))
  {
    *(.sdata) 
    *(.sdata.*)
    . = ALIGN(32 / 8);
  } > sdram
  _edata = .;
  PROVIDE (edata = .);
  __bss_start = .;
  __bss_start__ = .;
  .sbss      :
  AT (LOADADDR(.sdata) + SIZEOF(.sdata))
  {
    PROVIDE (__sbss_start = .);
    PROVIDE (___sbss_start = .);
    *(.dynsbss)
    *(.sbss)
    *(.sbss.*)
    *(.scommon)
    PROVIDE (__sbss_end = .);
    PROVIDE (___sbss_end = .);
  } > sdram
  .bss       :
  AT (LOADADDR(.sbss) + SIZEOF(.sbss))
  {
   *(.dynbss)
   *(.bss)
   *(.bss.*)
   *(COMMON)
   /* Align here to ensure that the .bss section occupies space up to
      _end.  Align after .bss to ensure correct alignment even if the
      .bss section disappears because there are no input sections.  */
   . = ALIGN(32 / 8);
  } > sdram
  . = ALIGN(32 / 8);
  _end = .;
  _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
  PROVIDE (end = .);
  .image     :
  AT (LOADADDR(.bss) + SIZEOF(.bss))
  {
    *(.image)
  } > sdram
}