#include “threads/loader.h”
OUTPUT_FORMAT(“elf32-i386”)
OUTPUT_ARCH(“i386”)
ENTRY(start) /* Kernel starts at “start” symbol. */
SECTIONS
{
/* Specify the kernel base address. */
_start = LOADER_PHYS_BASE + LOADER_KERN_BASE;
/* Make room for the ELF headers. */
. = _start + SIZEOF_HEADERS;
/* Kernel starts with code, followed by read-only data and writable data. */
.text : { *(.start) *(.text) } = 0x90
.rodata : { *(.rodata) *(.rodata.*)
. = ALIGN(0x1000);
_end_kernel_text = .; }
.data : { *(.data)
_signature = .; LONG(0xaa55aa55) }
/* BSS (zero-initialized data) is after everything else. */
_start_bss = .;
.bss : { *(.bss) }
_end_bss = .;
_end = .;
ASSERT (_end – _start <= 512K, "Kernel image is too big.") }