zynq-rs/experiments/link.x

ENTRY(_boot_cores);

/* Provide some defaults */
PROVIDE(Reset = _boot_cores);
PROVIDE(UndefinedInstruction = Reset);
PROVIDE(SoftwareInterrupt = Reset);
PROVIDE(PrefetchAbort = Reset);
PROVIDE(DataAbort = Reset);
PROVIDE(ReservedException = Reset);
PROVIDE(IRQ = Reset);
PROVIDE(FIQ = Reset);

MEMORY
{
  /* 256 kB On-Chip Memory */
  OCM : ORIGIN = 0, LENGTH = 0x30000
  OCM3 : ORIGIN = 0xFFFF0000, LENGTH = 0x10000
}

SECTIONS
{
    .text :
    {
        KEEP(*(.text.exceptions));
        *(.text.boot);
        *(.text .text.*);
    } > OCM
 
    .rodata : ALIGN(4)
    {
        *(.rodata .rodata.*);
    } > OCM
 
    .data : ALIGN(4)
    {
        *(.data .data.*);
    } > OCM
 
    .bss (NOLOAD) : ALIGN(4)
    {
        __bss_start = .;
        /* Aligned to 16 kB */
        KEEP(*(.bss.l1_table));
        *(.bss .bss.*);
        . = ALIGN(4);
        __bss_end = .;
    } > OCM

    .stack1 (NOLOAD) : ALIGN(8) {
      __stack1_end = .;
      . += 0x200;
      __stack1_start = .;
    } > OCM

    .stack0 (NOLOAD) : ALIGN(8) {
      __stack0_end = .;
      . = ORIGIN(OCM) + LENGTH(OCM) - 8;
      __stack0_start = .;
    } > OCM

  /DISCARD/ :
  {
    /* Unused exception related info that only wastes space */
    *(.ARM.exidx);
    *(.ARM.exidx.*);
    *(.ARM.extab.*);
  }
}

ASSERT(SIZEOF(.stack0) >= 0x8000, "less than 32 KB left for stack");