.set MAGIC, 0x1badb002 .set FLAGS, 7 /*.set FLAGS, 3 */ .set CHECKSUM, -(MAGIC + FLAGS) .set MODE_TYPE, 0 .set WIDTH, 1280 /* requested width */ .set HEIGHT, 720 /* requested height */ /* .set WIDTH, 640 .set HEIGHT, 480 */ .set DEPTH, 32 /* requested bits per pixel BPP */ .set HEADER_ADDR, 0 .set LOAD_ADDR, 0 .set LOAD_END_ADDR, 0 .set BSS_END_ADDR, 0 .set ENTRY_ADDR, 0 .section .multiboot .long MAGIC .long FLAGS .long CHECKSUM .long HEADER_ADDR .long LOAD_ADDR .long LOAD_END_ADDR .long BSS_END_ADDR .long ENTRY_ADDR .long MODE_TYPE .long WIDTH .long HEIGHT .long DEPTH /* enough space for the returned header */ .space 4 * 13 .section .bss .align 16 stack_bottom: .skip 16384 # 16 KiB stack_top: .section .text .global _start .type _start, @function _start: mov $stack_top, %esp push %ebx call kernel_main cli 1: hlt jmp 1b .size _start, . - _start