kolibrios-gitea/kernel/trunk/core/syscall.inc

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; SYSTEM CALL ENTRY ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 32
i40:
push ds es
pushad
cld
mov ax,word os_data
mov ds,ax
mov es,ax
; for syscall trace function
call save_registers
; load all registers in crossed order
mov edi,[esp+28] ; eax
mov eax,[esp+16] ; ebx
mov ebx,[esp+24] ; ecx
mov ecx,[esp+20] ; edx
mov edx,[esp+4] ; esi
mov esi,[esp+0] ; edi
; enable interupts - a task switch or an IRQ _CAN_ interrupt i40 handler
sti
push eax
and edi,0xff
call dword [servetable+edi*4]
pop eax
cli
popad
pop es ds
iretd
align 4
save_registers:
mov esi, [0x3010]
mov eax, [esi+TASKDATA.pid] ; load PID
lea esi, [esp+4]
inc [save_syscall_count]
mov edi,[save_syscall_count]
and edi,0xF
shl edi,6
add edi,save_syscall_data+32
mov [edi-32],eax
mov ecx,32 / 4
cld
rep movsd
ret
uglobal
save_syscall_count dd 0x0
endg
label save_syscall_data dword at 0x5000
iglobal
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; SYSTEM FUNCTIONS TABLE ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 4
servetable:
dd sys_drawwindow ; 0-DrawWindow
dd syscall_setpixel ; 1-SetPixel
dd sys_getkey ; 2-GetKey
dd sys_clock ; 3-GetTime
dd syscall_writetext ; 4-WriteText
dd delay_hs ; 5-DelayHs
dd syscall_openramdiskfile ; 6-OpenRamdiskFile
dd syscall_putimage ; 7-PutImage
dd sys_button ; 8-DefineButton
dd sys_cpuusage ; 9-GetProcessInfo
dd sys_waitforevent ; 10-WaitForEvent
dd sys_getevent ; 11-CheckForEvent
dd sys_redrawstat ; 12-BeginDraw and EndDraw
dd syscall_drawrect ; 13-DrawRect
dd syscall_getscreensize ; 14-GetScreenSize
dd sys_background ; 15-bgr
dd sys_cachetodiskette ; 16-FlushFloppyCache
dd sys_getbutton ; 17-GetButton
dd sys_system ; 18-System Services
dd undefined_syscall ; 19-reserved
dd sys_midi ; 20-ResetMidi and OutputMidi
dd sys_setup ; 21-SetMidiBase,SetKeymap,SetShiftKeymap,.
dd sys_settime ; 22-setting date,time,clock and alarm-clock
dd sys_wait_event_timeout ; 23-TimeOutWaitForEvent
dd syscall_cdaudio ; 24-PlayCdTrack,StopCd and GetCdPlaylist
dd sys_sb16 ; 25-SetSb16
dd sys_getsetup ; 26-GetMidiBase,GetKeymap,GetShiftKeymap,.
dd sys_wss ; 27-SetWssMainVol and SetWssCdVol
dd sys_sb16II ; 28-SetSb16
dd sys_date ; 29-GetDate
; dd syscall_readhd ; 30-ReadHd - obsolete <diamond>
dd undefined_syscall ; 30-reserved
; dd syscall_starthdapp ; 31-StartHdApp - obsolete <diamond>
dd undefined_syscall ; 31-reserved
dd syscall_delramdiskfile ; 32-DelRamdiskFile
dd syscall_writeramdiskfile; 33-WriteRamdiskFile
; dd read_floppy_file ; 34-ReadFloppyDrive - obsolete <diamond>
dd undefined_syscall ; 34-reserved
dd syscall_getpixel ; 35-GetPixel
dd syscall_readstring ; 36-ReadString (not yet ready)
dd readmousepos ; 37-GetMousePosition_ScreenRelative,.
dd syscall_drawline ; 38-DrawLine
dd sys_getbackground ; 39-GetBackgroundSize,ReadBgrData,.
dd set_app_param ; 40-WantEvents
dd syscall_getirqowner ; 41-GetIrqOwner
dd get_irq_data ; 42-ReadIrqData
dd sys_outport ; 43-SendDeviceData
dd sys_programirq ; 44-ProgramIrqs
dd reserve_free_irq ; 45-ReserveIrq and FreeIrq
dd syscall_reserveportarea ; 46-ReservePortArea and FreePortArea
dd display_number ; 47-WriteNum
dd display_settings ; 48-SetRedrawType and SetButtonType
dd sys_apm ; 49-Advanced Power Management (APM)
dd random_shaped_window ; 50-Window shape & scale
dd syscall_threads ; 51-Threads
dd stack_driver_stat ; 52-Stack driver status
dd socket ; 53-Socket interface
dd user_events ; 54-User events
dd sound_interface ; 55-Sound interface
dd write_to_hd ; 56-Write a file to hd
; dd delete_from_hd ; 57-Delete a file from hd - obsolete <diamond>
dd undefined_syscall ; 57-reserved
dd file_system ; 58-Common file system interface
dd sys_trace ; 59-System call trace
dd new_sys_ipc ; 60-Inter Process Communication
dd sys_gs ; 61-Direct graphics access
dd sys_pci ; 62-PCI functions
dd sys_msg_board ; 63-System message board
dd sys_resize_app_memory ; 64-Resize application memory usage
dd undefined_syscall ; 65-UTF
dd sys_process_def ; 66-Process definitions - keyboard
dd sys_window_move ; 67-Window move or resize
dd sys_internal_services ; 68-Some internal services
dd sys_debug_services ; 69-Debug
dd file_system_lfn ; 70-Common file system interface, version 2
dd syscall_windowsettings ; 71-Window settings
times 255 - ( ($-servetable) /4 ) dd undefined_syscall
dd sys_end ; -1-end application
endg