diff options
Diffstat (limited to 'defs/x86_64-linker.ld')
| -rw-r--r-- | defs/x86_64-linker.ld | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/defs/x86_64-linker.ld b/defs/x86_64-linker.ld index caecb48..39d8876 100644 --- a/defs/x86_64-linker.ld +++ b/defs/x86_64-linker.ld @@ -1,5 +1,10 @@ /* defs for Multiboot headers */ +/* https://www.gnu.org/software/grub/manual/multiboot/multiboot.txt */ MB_MAGIC = 0x1badb002; +/* bit 0 + * all boot modules loaded along with the operating system must be + * aligned on page (4KB) bit 1 must include mem_* structures + */ MB_FLAGS = 0x3; MB_CHKSUM = 0x100000000 - (MB_MAGIC + MB_FLAGS); @@ -9,7 +14,8 @@ SECTIONS .boot : { - header_start = .; LONG(MB_MAGIC) + header_start = .; + LONG(MB_MAGIC) LONG(MB_FLAGS) LONG(MB_CHKSUM) LONG(0) |