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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 2 | ;; ;; |
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| 3 | ;; SYSTEM CALL ENTRY ;; |
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| 4 | ;; ;; |
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| 5 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 6 | poddubny | 6 | |
| 1 | ha | 7 | align 32 |
| 8 | i40: |
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| 15 | poddubny | 9 | push ds es |
| 3 | halyavin | 10 | pushad |
| 11 | |||
| 12 | mov ax,word os_data |
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| 13 | mov ds,ax |
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| 14 | mov es,ax |
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| 1 | ha | 15 | |
| 16 | ; for syscall trace function |
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| 17 | call save_registers |
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| 18 | |||
| 15 | poddubny | 19 | ; load all registers in crossed order |
| 20 | mov edi,[esp+28] ; eax |
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| 21 | mov eax,[esp+16] ; ebx |
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| 22 | mov ebx,[esp+24] ; ecx |
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| 23 | mov ecx,[esp+20] ; edx |
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| 24 | mov edx,[esp+4] ; esi |
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| 25 | mov esi,[esp+0] ; edi |
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| 6 | poddubny | 26 | |
| 1 | ha | 27 | ; enable interupts - a task switch or an IRQ _CAN_ interrupt i40 handler |
| 28 | sti |
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| 15 | poddubny | 29 | push eax |
| 30 | and edi,0xff |
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| 31 | call dword [servetable+edi*4] |
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| 32 | pop eax |
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| 1 | ha | 33 | cli |
| 3 | halyavin | 34 | |
| 35 | popad |
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| 15 | poddubny | 36 | pop es ds |
| 3 | halyavin | 37 | iretd |
| 1 | ha | 38 | |
| 39 | align 4 |
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| 40 | save_registers: |
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| 6 | poddubny | 41 | mov esi, [0x3010] |
| 42 | mov eax, [esi+0x4] ; load PID |
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| 15 | poddubny | 43 | lea esi, [esp+4] |
| 1 | ha | 44 | inc [save_syscall_count] |
| 45 | mov edi,[save_syscall_count] |
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| 46 | and edi,0xF |
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| 47 | shl edi,6 |
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| 48 | add edi,save_syscall_data+32 |
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| 49 | mov [edi-32],eax |
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| 50 | mov ecx,32 / 4 |
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| 51 | cld |
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| 52 | rep movsd |
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| 53 | ret |
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| 54 | |||
| 55 | uglobal |
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| 56 | save_syscall_count dd 0x0 |
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| 57 | endg |
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| 58 | |||
| 59 | label save_syscall_data dword at 0x5000 |
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| 60 | |||
| 61 | |||
| 62 | iglobal |
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| 63 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 64 | ;; SYSTEM FUNCTIONS TABLE ;; |
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| 65 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 66 | |||
| 67 | align 4 |
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| 68 | servetable: |
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| 69 | |||
| 70 | dd sys_drawwindow ; 0-DrawWindow |
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| 71 | dd syscall_setpixel ; 1-SetPixel |
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| 72 | dd sys_getkey ; 2-GetKey |
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| 73 | dd sys_clock ; 3-GetTime |
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| 74 | dd syscall_writetext ; 4-WriteText |
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| 75 | dd delay_hs ; 5-DelayHs |
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| 76 | dd syscall_openramdiskfile ; 6-OpenRamdiskFile |
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| 77 | dd syscall_putimage ; 7-PutImage |
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| 78 | dd sys_button ; 8-DefineButton |
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| 79 | dd sys_cpuusage ; 9-GetProcessInfo |
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| 80 | dd sys_waitforevent ; 10-WaitForEvent |
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| 81 | dd sys_getevent ; 11-CheckForEvent |
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| 82 | dd sys_redrawstat ; 12-BeginDraw and EndDraw |
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| 83 | dd syscall_drawrect ; 13-DrawRect |
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| 84 | dd syscall_getscreensize ; 14-GetScreenSize |
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| 85 | dd sys_background ; 15-bgr |
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| 86 | dd sys_cachetodiskette ; 16-FlushFloppyCache |
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| 87 | dd sys_getbutton ; 17-GetButton |
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| 88 | dd syscall_system ; 18-Shutdown,KillApp,WindowActivate |
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| 89 | dd syscall_startapp ; 19-StartApp |
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| 90 | dd sys_midi ; 20-ResetMidi and OutputMidi |
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| 91 | dd sys_setup ; 21-SetMidiBase,SetKeymap,SetShiftKeymap,. |
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| 92 | dd sys_settime ; 22-setting date,time,clock and alarm-clock |
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| 93 | dd sys_wait_event_timeout ; 23-TimeOutWaitForEvent |
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| 94 | dd syscall_cdaudio ; 24-PlayCdTrack,StopCd and GetCdPlaylist |
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| 95 | dd sys_sb16 ; 25-SetSb16 |
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| 96 | dd sys_getsetup ; 26-GetMidiBase,GetKeymap,GetShiftKeymap,. |
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| 97 | dd sys_wss ; 27-SetWssMainVol and SetWssCdVol |
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| 98 | dd sys_sb16II ; 28-SetSb16 |
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| 99 | dd sys_date ; 29-GetDate |
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| 100 | dd syscall_readhd ; 30-ReadHd |
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| 101 | dd syscall_starthdapp ; 31-StartHdApp |
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| 102 | dd syscall_delramdiskfile ; 32-DelRamdiskFile |
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| 103 | dd syscall_writeramdiskfile; 33-WriteRamdiskFile |
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| 104 | dd read_floppy_file ; 34-ReadFloppyDrive |
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| 105 | dd syscall_getpixel ; 35-GetPixel |
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| 106 | dd syscall_readstring ; 36-ReadString (not yet ready) |
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| 107 | dd readmousepos ; 37-GetMousePosition_ScreenRelative,. |
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| 108 | dd syscall_drawline ; 38-DrawLine |
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| 109 | dd sys_getbackground ; 39-GetBackgroundSize,ReadBgrData,. |
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| 110 | dd set_app_param ; 40-WantEvents |
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| 111 | dd syscall_getirqowner ; 41-GetIrqOwner |
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| 112 | dd get_irq_data ; 42-ReadIrqData |
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| 113 | dd sys_outport ; 43-SendDeviceData |
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| 114 | dd sys_programirq ; 44-ProgramIrqs |
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| 115 | dd reserve_free_irq ; 45-ReserveIrq and FreeIrq |
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| 116 | dd syscall_reserveportarea ; 46-ReservePortArea and FreePortArea |
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| 117 | dd display_number ; 47-WriteNum |
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| 118 | dd display_settings ; 48-SetRedrawType and SetButtonType |
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| 119 | dd syscall_appints ; 49-AppInts |
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| 120 | dd random_shaped_window ; 50-Window shape & scale |
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| 121 | dd syscall_threads ; 51-Threads |
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| 122 | dd stack_driver_stat ; 52-Stack driver status |
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| 123 | dd socket ; 53-Socket interface |
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| 124 | dd user_events ; 54-User events |
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| 125 | dd sound_interface ; 55-Sound interface |
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| 126 | dd write_to_hd ; 56-Write a file to hd |
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| 127 | dd delete_from_hd ; 57-Delete a file from hd |
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| 128 | dd file_system ; 58-Common file system interface |
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| 129 | dd sys_trace ; 59-System call trace |
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| 130 | dd new_sys_ipc ; 60-Inter Process Communication |
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| 131 | dd sys_gs ; 61-Direct graphics access |
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| 132 | dd sys_pci ; 62-PCI functions |
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| 133 | dd sys_msg_board ; 63-System message board |
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| 134 | dd sys_resize_app_memory ; 64-Resize application memory usage |
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| 135 | dd undefined_syscall ; 65-UTF |
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| 136 | dd sys_process_def ; 66-Process definitions - keyboard |
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| 137 | dd sys_window_move ; 67-Window move or resize |
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| 138 | dd sys_internal_services ; 68-Some internal services |
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| 139 | |||
| 140 | times 255 - ( ($-servetable) /4 ) dd undefined_syscall |
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| 141 | |||
| 142 | dd sys_end ; -1-end application |
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| 143 | endg |
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| 144 |