Notes
Notes - notes.io |
[ org 0 x7c00 ]
KERNEL_OFFSET equ 0 x1000 ; This is the memory offset to which we will load our kernel
mov [ BOOT_DRIVE ], dl ; BIOS stores our boot drive in DL , so it ’s
; best to remember this for later.
mov bp , 0 x9000 ; Set -up the stack.
mov sp , bp
mov bx , MSG_REAL_MODE ; Announce that we are starting
call print_string ; booting from 16 - bit real mode
call load_kernel ; Load our kernel
call switch_to_pm ; Switch to protected mode , from which
; we will not return
jmp $
; Include our useful , hard - earned routines
% include " print / print_string.asm "
% include " disk / disk_load.asm "
% include " pm / gdt.asm "
% include " pm / print_string_pm.asm "
% include " pm / switch_to_pm.asm "
[ bits 16]
; load_kernel
load_kernel :
mov bx , MSG_LOAD_KERNEL ; Print a message to say we are loading the kernel
call print_string
mov bx , KERNEL_OFFSET ; Set -up parameters for our disk_load routine , so
mov dh , 15 ; that we load the first 15 sectors ( excluding
mov dl , [ BOOT_DRIVE ] ; the boot sector ) from the boot disk ( i.e. our
call disk_load ; kernel code ) to address KERNEL_OFFSET
ret
[ bits 32]
; This is where we arrive after switching to and initialising protected mode.
|
|
Notes.io is a web-based application for taking notes. You can take your notes and share with others people. If you like taking long notes, notes.io is designed for you. To date, over 8,000,000,000 notes created and continuing...
With notes.io;
- * You can take a note from anywhere and any device with internet connection.
- * You can share the notes in social platforms (YouTube, Facebook, Twitter, instagram etc.).
- * You can quickly share your contents without website, blog and e-mail.
- * You don't need to create any Account to share a note. As you wish you can use quick, easy and best shortened notes with sms, websites, e-mail, or messaging services (WhatsApp, iMessage, Telegram, Signal).
- * Notes.io has fabulous infrastructure design for a short link and allows you to share the note as an easy and understandable link.
Fast: Notes.io is built for speed and performance. You can take a notes quickly and browse your archive.
Easy: Notes.io doesn’t require installation. Just write and share note!
Short: Notes.io’s url just 8 character. You’ll get shorten link of your note when you want to share. (Ex: notes.io/q )
Free: Notes.io works for 12 years and has been free since the day it was started.
You immediately create your first note and start sharing with the ones you wish. If you want to contact us, you can use the following communication channels;
Email: [email protected]
Twitter: http://twitter.com/notesio
Instagram: http://instagram.com/notes.io
Facebook: http://facebook.com/notesio
Regards;
Notes.io Team
