tanzadeh7
شنبه 11 مرداد 1393, 10:50 صبح
سلام من دارم یه سیستم عامل برپایه لینوکس مینویسم میخوام از دسکتاپ gnome-shell و کرنل لینوکس استفاده کنم تا حالا یک بوت سکتور در اسمبلی نوشتم و میخوام باهاش کرنل لینوکس 3.15.5 لود کنم چجوری باید این کار رو انجام بدم آیا کرنل لینوکس یک فایل main داره که اونو یه بوت سکتورم لینک کنم یا باید یه کار دیگه انجام بدم لطفا جواب بدید
کد بوت سکتور
;================================================= =================
;NS_OS Developers
;================================================= =================
BITS 16
jmp short bootloader_start
nop
OEMLabel db "TINKERBOOT"
BytesPerSector dw 512
SectorsPerCluster db 1
ReservedForBoot dw 1
NumberOfFats db 2
RootDirEntries dw 224
LogicalSectors dw 2880
MediumByte db 0F0h
SectorsPerFat dw 9
SectorsPerTrack dw 18
Sides dw 2
HiddenSectors dd 0
LargeSectors dd 0
DriveNo dw 0
Signature db 41
VolumeID dd 00000000h
VolumeLabel db "NS_OS "
FileSystem db "FAT12 "
; ------------------------------------------------------------------
; Main bootloader code
bootloader_start:
mov ax, 07C0h
add ax, 544
cli
mov ss, ax
mov sp, 4096
sti
mov ax, 07C0h
mov ds, ax
mov byte [bootdev], dl
mov eax, 0
floppy_ok:
mov ax, 19
call l2hts
mov si, buffer
mov bx, ds
mov es, bx
mov bx, si
mov ah, 2
mov al, 14
pusha
read_root_dir:
popa
pusha
stc
int 13h
jnc search_dir
call reset_floppy
jnc read_root_dir
jmp reboot
search_dir:
popa
mov ax, ds
mov es, ax
mov di, buffer
mov cx, word [RootDirEntries]
mov ax, 0
next_root_entry:
xchg cx, dx
mov si, kern_filename
mov cx, 11
rep cmpsb
je found_file_to_load
add ax, 32
mov di, buffer
add di, ax
xchg dx, cx
loop next_root_entry
mov si, file_not_found
call print_string
jmp reboot
found_file_to_load:
mov ax, word [es:di+0Fh]
mov word [cluster], ax
mov ax, 1
call l2hts
mov di, buffer
mov bx, di
mov ah, 2
mov al, 9
pusha
read_fat:
popa
pusha
stc
int 13h
jnc read_fat_ok
call reset_floppy
jnc read_fat
mov si, disk_error
call print_string
jmp reboot
read_fat_ok:
popa
mov ax, 2000h
mov es, ax
mov bx, 0
mov ah, 2
mov al, 1
push ax
load_file_sector:
mov ax, word [cluster]
add ax, 31
call l2hts
mov ax, 2000h
mov es, ax
mov bx, word [pointer]
pop ax
push ax
stc
int 13h
jnc calculate_next_cluster
call reset_floppy
jmp load_file_sector
calculate_next_cluster:
mov ax, [cluster]
mov dx, 0
mov bx, 3
mul bx
mov bx, 2
div bx
mov si, buffer
add si, ax
mov ax, word [ds:si]
or dx, dx
jz even
odd:
shr ax, 4
jmp short next_cluster_cont
even:
and ax, 0FFFh
next_cluster_cont:
mov word [cluster], ax
cmp ax, 0FF8h
jae end
add word [pointer], 512
jmp load_file_sector
end:
pop ax
mov dl, byte [bootdev]
jmp 2000h:0000h
; ------------------------------------------------------------------
; BOOTLOADER SUBROUTINES
reboot:
mov ax, 0
int 16h
mov ax, 0
int 19h
print_string:
pusha
mov ah, 0Eh
.repeat:
lodsb
cmp al, 0
je .done
int 10h
jmp short .repeat
.done:
popa
ret
reset_floppy:
push ax
push dx
mov ax, 0
mov dl, byte [bootdev]
stc
int 13h
pop dx
pop ax
ret
l2hts:
push bx
push ax
mov bx, ax
mov dx, 0
div word [SectorsPerTrack]
add dl, 01h
mov cl, dl
mov ax, bx
mov dx, 0
div word [SectorsPerTrack]
mov dx, 0
div word [Sides]
mov dh, dl ;e
mov ch, al
pop ax
pop bx
mov dl, byte [bootdev] ; Set correct device
ret
; ------------------------------------------------------------------
; STRINGS AND VARIABLES
kern_filename db "KERNEL BIN" ; این کرنل hello word که تو C نوشتم
disk_error db "Floppy error! Press any key...", 0
file_not_found db "kernel not found!", 0
bootdev db 0
cluster dw 0
pointer dw 0
; ------------------------------------------------------------------
; END OF BOOT SECTOR AND BUFFER START
times 510-($-$$) db 0
dw 0AA55h
buffer:
; ================================================== ================
کد بوت سکتور
;================================================= =================
;NS_OS Developers
;================================================= =================
BITS 16
jmp short bootloader_start
nop
OEMLabel db "TINKERBOOT"
BytesPerSector dw 512
SectorsPerCluster db 1
ReservedForBoot dw 1
NumberOfFats db 2
RootDirEntries dw 224
LogicalSectors dw 2880
MediumByte db 0F0h
SectorsPerFat dw 9
SectorsPerTrack dw 18
Sides dw 2
HiddenSectors dd 0
LargeSectors dd 0
DriveNo dw 0
Signature db 41
VolumeID dd 00000000h
VolumeLabel db "NS_OS "
FileSystem db "FAT12 "
; ------------------------------------------------------------------
; Main bootloader code
bootloader_start:
mov ax, 07C0h
add ax, 544
cli
mov ss, ax
mov sp, 4096
sti
mov ax, 07C0h
mov ds, ax
mov byte [bootdev], dl
mov eax, 0
floppy_ok:
mov ax, 19
call l2hts
mov si, buffer
mov bx, ds
mov es, bx
mov bx, si
mov ah, 2
mov al, 14
pusha
read_root_dir:
popa
pusha
stc
int 13h
jnc search_dir
call reset_floppy
jnc read_root_dir
jmp reboot
search_dir:
popa
mov ax, ds
mov es, ax
mov di, buffer
mov cx, word [RootDirEntries]
mov ax, 0
next_root_entry:
xchg cx, dx
mov si, kern_filename
mov cx, 11
rep cmpsb
je found_file_to_load
add ax, 32
mov di, buffer
add di, ax
xchg dx, cx
loop next_root_entry
mov si, file_not_found
call print_string
jmp reboot
found_file_to_load:
mov ax, word [es:di+0Fh]
mov word [cluster], ax
mov ax, 1
call l2hts
mov di, buffer
mov bx, di
mov ah, 2
mov al, 9
pusha
read_fat:
popa
pusha
stc
int 13h
jnc read_fat_ok
call reset_floppy
jnc read_fat
mov si, disk_error
call print_string
jmp reboot
read_fat_ok:
popa
mov ax, 2000h
mov es, ax
mov bx, 0
mov ah, 2
mov al, 1
push ax
load_file_sector:
mov ax, word [cluster]
add ax, 31
call l2hts
mov ax, 2000h
mov es, ax
mov bx, word [pointer]
pop ax
push ax
stc
int 13h
jnc calculate_next_cluster
call reset_floppy
jmp load_file_sector
calculate_next_cluster:
mov ax, [cluster]
mov dx, 0
mov bx, 3
mul bx
mov bx, 2
div bx
mov si, buffer
add si, ax
mov ax, word [ds:si]
or dx, dx
jz even
odd:
shr ax, 4
jmp short next_cluster_cont
even:
and ax, 0FFFh
next_cluster_cont:
mov word [cluster], ax
cmp ax, 0FF8h
jae end
add word [pointer], 512
jmp load_file_sector
end:
pop ax
mov dl, byte [bootdev]
jmp 2000h:0000h
; ------------------------------------------------------------------
; BOOTLOADER SUBROUTINES
reboot:
mov ax, 0
int 16h
mov ax, 0
int 19h
print_string:
pusha
mov ah, 0Eh
.repeat:
lodsb
cmp al, 0
je .done
int 10h
jmp short .repeat
.done:
popa
ret
reset_floppy:
push ax
push dx
mov ax, 0
mov dl, byte [bootdev]
stc
int 13h
pop dx
pop ax
ret
l2hts:
push bx
push ax
mov bx, ax
mov dx, 0
div word [SectorsPerTrack]
add dl, 01h
mov cl, dl
mov ax, bx
mov dx, 0
div word [SectorsPerTrack]
mov dx, 0
div word [Sides]
mov dh, dl ;e
mov ch, al
pop ax
pop bx
mov dl, byte [bootdev] ; Set correct device
ret
; ------------------------------------------------------------------
; STRINGS AND VARIABLES
kern_filename db "KERNEL BIN" ; این کرنل hello word که تو C نوشتم
disk_error db "Floppy error! Press any key...", 0
file_not_found db "kernel not found!", 0
bootdev db 0
cluster dw 0
pointer dw 0
; ------------------------------------------------------------------
; END OF BOOT SECTOR AND BUFFER START
times 510-($-$$) db 0
dw 0AA55h
buffer:
; ================================================== ================