| 0,0 → 1,122 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; 16 BIT ENTRY FROM BOOTSECTOR ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| include 'macros.inc' |
| include 'struct.inc' |
| include 'encoding.inc' |
| include 'const.inc' |
| |
| os_code = code_l - tmp_gdt |
| |
| use16 |
| org 0x0 |
| jmp start_of_code |
| |
| if lang eq sp |
| include "kernelsp.inc" ; spanish kernel messages |
| else if lang eq et |
| version db 'Kolibri OS versioon 0.7.7.0+ ',13,10,13,10,0 |
| else |
| version db 'Kolibri OS version 0.7.7.0+ ',13,10,13,10,0 |
| end if |
| |
| include "boot/bootstr.inc" ; language-independent boot messages |
| include "boot/preboot.inc" |
| |
| if lang eq ge |
| include "boot/bootge.inc" ; german system boot messages |
| else if lang eq sp |
| include "boot/bootsp.inc" ; spanish system boot messages |
| else if lang eq ru |
| include "boot/bootru.inc" ; russian system boot messages |
| include "boot/ru.inc" ; Russian font |
| else if lang eq et |
| include "boot/bootet.inc" ; estonian system boot messages |
| include "boot/et.inc" ; Estonian font |
| else |
| include "boot/booten.inc" ; english system boot messages |
| end if |
| |
| include "boot/bootcode.inc" ; 16 bit system boot code |
| include "bus/pci/pci16.inc" |
| include "detect/biosdisk.inc" |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; SWITCH TO 32 BIT PROTECTED MODE ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| |
| ; CR0 Flags - Protected mode and Paging |
| |
| mov ecx, CR0_PE+CR0_AM |
| |
| ; Enabling 32 bit protected mode |
| |
| sidt [cs:old_ints_h] |
| |
| cli ; disable all irqs |
| cld |
| mov al, 255 ; mask all irqs |
| out 0xa1, al |
| out 0x21, al |
| l.5: |
| in al, 0x64 ; Enable A20 |
| test al, 2 |
| jnz l.5 |
| mov al, 0xD1 |
| out 0x64, al |
| l.6: |
| in al, 0x64 |
| test al, 2 |
| jnz l.6 |
| mov al, 0xDF |
| out 0x60, al |
| l.7: |
| in al, 0x64 |
| test al, 2 |
| jnz l.7 |
| mov al, 0xFF |
| out 0x64, al |
| |
| lgdt [cs:tmp_gdt] ; Load GDT |
| mov eax, cr0 ; protected mode |
| or eax, ecx |
| and eax, 10011111b *65536*256 + 0xffffff ; caching enabled |
| mov cr0, eax |
| jmp pword os_code:B32 ; jmp to enable 32 bit mode |
| |
| align 8 |
| tmp_gdt: |
| |
| dw 23 |
| dd tmp_gdt+0x10000 |
| dw 0 |
| code_l: |
| dw 0xffff |
| dw 0x0000 |
| db 0x00 |
| dw 11011111b *256 +10011010b |
| db 0x00 |
| |
| dw 0xffff |
| dw 0x0000 |
| db 0x00 |
| dw 11011111b *256 +10010010b |
| db 0x00 |
| |
| include "data16.inc" |
| |
| if ~ lang eq sp |
| diff16 "end of bootcode",0,$+0x10000 |
| end if |
| |
| use32 |
| org $+0x10000 |
| |
| align 4 |
| B32: |
| Property changes: |
|---|
| Added: svn:eol-style |
|---|
| +native |
|---|
| \ No newline at end of property |
|---|