sectalign off %include "bootsector.asm" startup_start: %ifdef ARCH_x86 %include "startup-x86.asm" %endif %ifdef ARCH_x86_64 %include "startup-x86_64.asm" %endif align 512, db 0 startup_end: %ifdef KERNEL kernel_file: %defstr KERNEL_STR %[KERNEL] incbin KERNEL_STR .end: align 512, db 0 %else align BLOCK_SIZE, db 0 %ifdef FILESYSTEM filesystem: %defstr FILESYSTEM_STR %[FILESYSTEM] incbin FILESYSTEM_STR .end: align BLOCK_SIZE, db 0 %else filesystem: %endif %endif