ENTRY(_start)
MEMORY
{
  TEXT (rx) : ORIGIN = 0x80000, LENGTH = 64K
  RO (r) : ORIGIN = 0x90000, LENGTH = 16K
  DATA (rw) : ORIGIN = 0x94000, LENGTH = 64K
  RAM (rw) : ORIGIN = 0xa4000, LENGTH = 64M
}

SECTIONS
{
  .text : { 
    KEEP(*(.text.boot))
    *(.text)
  } >TEXT
  .rodata : {
    *(.rodata)
  } >RO
  .data : {
    *(.data)
  } >DATA
  .bss : {
    __bss_start = .;
    *(.bss)
    __bss_end = .;
  } >DATA

}

PROVIDE(__kernel_start = ORIGIN(TEXT));
PROVIDE(__kernel_end = ORIGIN(DATA) + LENGTH(DATA));
PROVIDE(__heap_start = ORIGIN(RAM));
PROVIDE(__heap_end = ORIGIN(RAM) + 32M);
PROVIDE(__stack_end = ORIGIN(RAM) + LENGTH(RAM));
PROVIDE(__bss_size = (__bss_end - __bss_start)>>3);