kolibrios/programs/system/virtdisk/virtdisk.asm
Doczom 9ab6258bfe Added new driver for mount raw disk images.
- Added driver virt_disk.sys
 - Added the program "virtdisk" which allows you to add, delete and view virtual disks.

git-svn-id: svn://kolibrios.org@9945 a494cfbc-eb01-0410-851d-a64ba20cac60
2023-10-01 08:47:52 +00:00

173 lines
4.4 KiB
NASM

;-----------------------------------------------------------------------------;
; Copyright (C) 2023, Mikhail Frolov aka Doczom . All rights reserved. ;
; Distributed under terms of the GNU General Public License ;
; ;
; Demo program for the VIRT_DISK driver. ;
; ;
; GNU GENERAL PUBLIC LICENSE ;
; Version 2, June 1991 ;
; ;
;-----------------------------------------------------------------------------;
format binary as ""
use32
org 0
db 'MENUET01'
dd 1, START, I_END, MEM, STACKTOP, PATH, 0
include 'parser.inc'
include 'shell.inc'
START:
call _sc_init
mov al, 68
mov bl, 16
mov ecx, drv_name
int 0x40
mov [ioctl_add_disk.hand], eax
mov [ioctl_del_disk.hand], eax
mov [ioctl_info_disk.hand], eax
mov [ioctl_list_disk.hand], eax
mov [ioctl_count_disk.hand], eax
test eax, eax
jz .end
cmp byte[PATH], 0
jz .end
call parse_cmd
cmp dword[param_cmd],0
jz .end
mov al, 68
mov bl, 17
mov ecx, ioctl_add_disk
int 0x40
test eax, eax
jnz @f
push str_command_successfully
call _sc_puts
jmp .end
@@:
push str_error
call _sc_puts
.end:
call _sc_exit
mov eax,-1
int 0x40
ERROR_EXIT:
push str_runtime_err
call _sc_puts
call _sc_exit
mov eax,-1
int 0x40
write_disk_info:
pusha
push str_disk_info.path
call _sc_puts
push info_buffer.path
call _sc_puts
push str_newline
call _sc_puts
popa
ret
I_END:
drv_name: db 'VIRT_DISK',0
; messages
str_runtime_err:
db 'Runtime error', 13, 10, 0
str_command_successfully:
db 'Command successfully', 13, 10, 0
str_header_disk_list:
db ' disk | sector | flags | file', 13, 10
db '-------|--------|-------|---------------------',13, 10, 0
str_input_disk_number:
db ' | ' ; ,0
str_input_disk_sector:
db ' | ';,0
str_input_disk_flags:
db ' | ',0
str_error:
db 'Error',0
str_disk_info:
.num: db 'Disk number: ',0
;.type: db 'Type: ', 0
;.sector_size:
; db 'Sector size: ', 0
.path: db 'File: ', 0
str_newline:
db ' ', 13, 10, 0
ioctl_count_disk:
.hand: dd 0, 3 ;iocode
dd .get_count_disk, 8
dd ioctl_list_disk.count, 4
.get_count_disk:
dd 0, 0
ioctl_list_disk:
.hand: dd 0, 3 ;iocode
dd .inp, 8
.buffer:
dd 0
.size_buffer:
dd 0
.inp:
dd 0
.count: dd 0
ioctl_info_disk:
.hand: dd 0, 4 ;iocode
dd disk_num, 4
dd info_buffer, sizeof.info_buffer
ioctl_del_disk:
.hand: dd 0, 2 ;iocode
dd disk_num, 4
dd 0, 0
ioctl_add_disk:
.hand: dd 0, 1 ;iocode
dd add_disk, add_disk.end - add_disk
dd disk_num, 4
disk_num: rd 0
add_disk:
.flags: dd 11b ;rw
.type: dd 0 ; TypeImage 0 - RAW
.size: dd 512
.file: rb 4096
.end:
PATH: rb 4096
info_buffer:
.sector_count: rd 2
.disk_hand: rd 1
.disk_num: rd 1
.flags: rd 1
.type: rd 1
.sector_size: rd 1
.path: rb 4096
sizeof.info_buffer = $ - info_buffer
rb 4096
STACKTOP:
MEM:
; EXAMPLE COMMANDS:
; virtdisk -f/sd0/4/kolibri.img -s512
; virtdisk -f/sd0/4/kolibri.img
; virtdisk -f/sd0/4/kolibri.iso -s2048
; default sector size = 512 for all disk
; 2048 for ISO disk
;struct IMAGE_ADD_STRUCT
; Flags rd 1 ; 1-ro 2-wo 3-rw
; TypeImage rd 1 ; 0-raw 1-vhd 2-vdi 3-imd
; SectorSize rd 1
; DiskPath rb maxPathLength
;ends