OUTPUT_FORMAT(binary)

MEMORY {
  bootsector : ORIGIN = 0, LENGTH = 512
  free_ram : ORIGIN = 512, LENGTH = (4096 - 512)
}
SECTIONS {
  . = 0x0;
  .text : { *(.text) . = 512; } > bootsector
  .data : { *(.data) } > bootsector
  .bss : { *(.bss) } > free_ram
}