Status strings

pull/17/head
E. Almqvist 3 years ago
parent fe69547f2d
commit e7adf5528e
  1. 25
      src/bootloader.asm

@ -1,11 +1,16 @@
[org 0x7c00] ; bootsector
KERNEL_OFFSET equ 0x1000
; Save the boot drive index
mov [BOOT_DRIVE], dl
; Move the stack pointer somewhere safe
mov bp, 0x8000 ; move it to 0x8000
mov bp, 0x9000 ; move it to 0x8000
mov sp, bp
; Load kernel into memory
call load_kernel
; Switching to PM
call pm_preinit
@ -21,7 +26,23 @@ BEGIN_PM:
jmp $
welcome_string: db "e Operating-System (eOS): Version 2021 0.0", ASCII_END
[bits 16]
load_kernel:
mov bx, KERNEL_OFFSET ; Load kernel at the kernel offset
mov dh, 15 ; Read 15 sectors
mov dl, [BOOT_DRIVE] ; Drive index
call disk_read ; Load the kernel
ret
welcome_string: db "e Operating-System (eOS): Version 2021 0.0", ASCII_END
stat_realmode: db "Entering 16bit Real Mode...", ASCII_END
stat_pm_init: db "Entering 32bit Protected Mode...", ASCII_END
stat_success: db " [OK]", ASCII_CARRIAGE_RETURN, ASCII_NEWLINE, ASCII_END
BOOT_DRIVE: db 0
; Bootsector

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