forked from KolibriOS/kolibrios
260 lines
9.6 KiB
PHP
260 lines
9.6 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; SYSENTER ENTRY ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 32
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sysenter_entry:
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; Настраиваем стек
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mov esp, [ss:tss._esp0]
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sti
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push ebp ; save app esp + 4
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mov ebp, [ebp] ; ebp - original ebp
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;------------------
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pushad
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cld
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call protect_from_terminate
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movzx eax, byte [esp+28]
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mov edx, dword [esp+20]
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call dword [servetable2 + eax * 4]
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call unprotect_from_terminate
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popad
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;------------------
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xchg ecx, [ss:esp] ; в вершин стека - app ecx, ecx - app esp + 4
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sub ecx, 4
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xchg edx, [ecx] ; edx - return point, & save original edx
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push edx
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mov edx, [ss:esp + 4]
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mov [ecx + 4], edx ; save original ecx
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pop edx
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sysexit
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; SYSTEM CALL ENTRY ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 16
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i40:
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pushad
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cld
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call protect_from_terminate
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movzx eax, byte [esp+28]
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mov edx, dword [esp+20]
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call dword [servetable2 + eax * 4]
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call unprotect_from_terminate
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popad
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iretd
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; SYSCALL ENTRY ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 32
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syscall_entry:
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; cli syscall clear IF
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xchg esp, [ss:tss._esp0]
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push ecx
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lea ecx, [esp+4]
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xchg ecx, [ss:tss._esp0]
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sti
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push ecx
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mov ecx, [ecx]
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;------------------
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pushad
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cld
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call protect_from_terminate
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movzx eax, byte [esp+28]
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mov edx, dword [esp+20]
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call dword [servetable2 + eax * 4]
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call unprotect_from_terminate
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popad
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;------------------
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mov ecx, [ss:esp+4]
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pop esp
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sysret
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iglobal
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; SYSTEM FUNCTIONS TABLE ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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servetable2:
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dd syscall_draw_window ; 0-DrawWindow
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dd syscall_setpixel ; 1-SetPixel
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dd sys_getkey ; 2-GetKey
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dd sys_clock ; 3-GetTime
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dd syscall_writetext ; 4-WriteText
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dd delay_hs_unprotected ; 5-DelayHs
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dd undefined_syscall ; 6-deprecated OpenRamdiskFile
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dd syscall_putimage ; 7-PutImage
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dd syscall_button ; 8-DefineButton
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dd sys_cpuusage ; 9-GetProcessInfo
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dd sys_waitforevent ; 10-WaitForEvent
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dd sys_getevent ; 11-CheckForEvent
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dd sys_redrawstat ; 12-BeginDraw and EndDraw
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dd syscall_drawrect ; 13-DrawRect
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dd syscall_getscreensize ; 14-GetScreenSize
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dd sys_background ; 15-bgr
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dd sys_cachetodiskette ; 16-FlushFloppyCache
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dd sys_getbutton ; 17-GetButton
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dd sys_system ; 18-System Services
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dd paleholder ; 19-reserved
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dd sys_midi ; 20-ResetMidi and OutputMidi
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dd sys_setup ; 21-SetMidiBase,SetKeymap,SetShiftKeymap,.
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dd sys_settime ; 22-setting date,time,clock and alarm-clock
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dd sys_wait_event_timeout ; 23-TimeOutWaitForEvent
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dd syscall_cdaudio ; 24-PlayCdTrack,StopCd and GetCdPlaylist
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dd syscall_putarea_backgr ; 25-Put Area to background
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dd sys_getsetup ; 26-GetMidiBase,GetKeymap,GetShiftKeymap,.
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dd undefined_syscall ; 27-reserved
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dd undefined_syscall ; 28-reserved
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dd sys_date ; 29-GetDate
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dd sys_current_directory ; 30-Get/SetCurrentDirectory
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dd undefined_syscall ; 31-reserved
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dd undefined_syscall ; 32-reserved
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dd undefined_syscall ; 33-reserved
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dd syscall_getpixel_WinMap ; 34-GetPixel WinMap
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dd syscall_getpixel ; 35-GetPixel
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dd syscall_getarea ; 36-GetArea
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dd readmousepos ; 37-GetMousePosition_ScreenRelative,.
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dd syscall_drawline ; 38-DrawLine
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dd sys_getbackground ; 39-GetBackgroundSize,ReadBgrData,.
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dd set_app_param ; 40-WantEvents
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dd undefined_syscall ; 41- deprecated GetIrqOwner
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dd undefined_syscall ; 42- deprecated ReadIrqData
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dd sys_outport ; 43-SendDeviceData
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dd undefined_syscall ; 44- deprecated ProgramIrqs
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dd undefined_syscall ; 45- deprecated ReserveIrq and FreeIrq
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dd syscall_reserveportarea ; 46-ReservePortArea and FreePortArea
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dd display_number ; 47-WriteNum
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dd syscall_display_settings ; 48-SetRedrawType and SetButtonType
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dd sys_apm ; 49-Advanced Power Management (APM)
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dd syscall_set_window_shape ; 50-Window shape & scale
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dd syscall_threads ; 51-Threads
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dd undefined_syscall ; 52- deprecated Stack driver status
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dd undefined_syscall ; 53- deprecated Socket interface
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dd sys_clipboard ; 54-Custom clipboard
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dd sound_interface ; 55-Sound interface
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dd undefined_syscall ; 56-reserved
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dd sys_pcibios ; 57-PCI BIOS32
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dd undefined_syscall ; 58-deprecated Common file system interface
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dd undefined_syscall ; 59-reserved
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dd sys_IPC ; 60-Inter Process Communication
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dd sys_gs ; 61-Direct graphics access
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dd pci_api ; 62-PCI functions
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dd sys_msg_board ; 63-System message board
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dd sys_resize_app_memory ; 64-Resize application memory usage
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dd sys_putimage_palette ; 65-PutImagePalette
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dd sys_process_def ; 66-Process definitions - keyboard
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dd syscall_move_window ; 67-Window move or resize
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dd f68 ; 68-Some internal services
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dd sys_debug_services ; 69-Debug
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dd file_system_lfn ; 70-Common file system interface, version 2
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dd syscall_window_settings ; 71-Window settings
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dd sys_sendwindowmsg ; 72-Send window message
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dd blit_32 ; 73-blitter;
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dd sys_network ; 74-reserved for new stack
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dd sys_socket ; 75-reserved for new stack
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dd sys_protocols ; 76-reserved for new stack
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dd sys_posix ; posix support
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dd undefined_syscall ; 78-free
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dd undefined_syscall ; 79-free
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dd fileSystemUnicode ; 80-File system interface for different encodings
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dd setInt0x40 ; 81-Implementation of the function in the system
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times 255 - ( ($-servetable2) /4 ) dd undefined_syscall
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dd sys_end ; -1-end application
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endg
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; Author Pavel Iakovlev
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; Return EAX = 0 security kernel, error set function
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; Return Else EAX > 0 success set function
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align 32
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setInt0x40:
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; !!! kernel security !!!
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and ebx, 0FFh
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mov eax, dword [servetable2 + ebx * 4]
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; cmp eax, undefined_syscall
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; jne errorSet0x40
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; -----------------------
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pushad
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add edx, 16
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stdcall kernel_alloc, edx
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push eax
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pop dword[tempPointerAlloc]
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popad
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push ebx
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push dword[tempPointerAlloc]
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pop eax
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mov ebx, eax
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add eax, edx
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; push 0
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; pop dword[hashDataFunction1]
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; push 1
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; pop dword[hashDataFunction2]
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loopCopyMemory:
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xor edx, edx
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mov dl, byte[ecx]
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mov byte[ebx], dl
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; hash security function
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; add dword[hashDataFunction1], edx
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; mov edx, dword[hashDataFunction1]
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; add dword[hashDataFunction2], edx
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; -----------------------------
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inc ebx
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inc ecx
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cmp ebx, eax
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jne loopCopyMemory
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pop ebx
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; check hash security data
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; cmp edi, dword[hashDataFunction1]
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; jne errorSet0x40
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; cmp esi, dword[hashDataFunction2]
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; jne errorSet0x40
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; -------------------------------
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mov eax, dword[tempPointerAlloc]
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mov dword [servetable2 + ebx * 4], eax
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jmp successSet0x40
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errorSet0x40:
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xor eax, eax
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successSet0x40:
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ret
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tempPointerAlloc dd ?
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;hashDataFunction1 dd ?
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;hashDataFunction2 dd ?
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;------------------- |