diff options
| -rw-r--r-- | setup.S | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -22,8 +22,11 @@ start: outb %al, $0x70 # The system will move itself to its rightful place. - push %cs - pop %ds + xorl %eax, %eax + movw %cs, %ax + movw %ax, %ds + shll $4, %eax + addl %eax, gdt_48 - start + 2 lidt idt_48 - start # load idt with 0,0 lgdt gdt_48 - start # load gdt with whatever appropriate @@ -134,7 +137,7 @@ idt_48: gdt_48: .word 0x800 # gdt limit=2048, 256 GDT entries - .word 512+gdt - start,0x9 # gdt base = 0X9xxxx + .long gdt - start # gdt base msg1: .asciz "Setup.S\r\n" |