691 lines
17 KiB
NASM
691 lines
17 KiB
NASM
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;****************************************************************************
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;** **
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;** **
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;** **
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;** **
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;** **
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;** **
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;** **
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;** **
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;****************************************************************************
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.386
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.xlist
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include vmm.inc
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include vtd.inc
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include debug.inc
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; include mmdevldr.inc
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include vwin32.inc
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include pagefile.inc
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include vmcpd.inc
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; include shell.inc
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; include debugsys.inc
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.list
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Create_DSOUND_Service_Table equ 1
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include dsdriver.inc
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OPTION SCOPED
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;****************************************************************************
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;** **
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;** VxD declaration **
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;** **
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;****************************************************************************
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DSOUND_VERSION_MAJOR equ 4 ; Version 4.02
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DSOUND_VERSION_MINOR equ 2 ;
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Declare_Virtual_Device DSOUND, \
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DSOUND_VERSION_MAJOR, DSOUND_VERSION_MINOR, \
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DSOUND_Control, \
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DSOUND_Device_ID, \
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UNDEFINED_INIT_ORDER, \
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DSOUND_API_Handler, \
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DSOUND_API_Handler
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;****************************************************************************
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;** **
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;** Macro, equate, and type declarations **
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;** **
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;****************************************************************************
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LONG_MAX equ 7fffffffh ;Maximum 32-bit signed value
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RESAMPLING_TOLERANCE equ 0 ;E.g., 655=1% resampling tolerance
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;****************************************************************************
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;** **
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;** Locked data **
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;** **
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;****************************************************************************
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VxD_LOCKED_DATA_SEG
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;****************************************************************************
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;** **
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;** Primitive vectors generated at beginning of data segment **
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;** **
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;** 1st 32 entries: MAKE_DC procedures for AILSSA_DMA_copy() **
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;** 2nd 128 entries: MAKE_MERGE procedures for AILSSA_merge() **
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;** **
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;****************************************************************************
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;
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;First device code is duplicated since IOCTL calls with
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;function 0 always fail in Win95 for some reason
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;
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;---
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;
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; Read the documentation, silly. Function 0 is DIOC_OPEN.
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; It is the VxD version of PROCESS_ATTACH.
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DSVXD_IOCTL_Table LABEL DWORD
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dd OFFSET32 _ioctlDsvxdGetVersion
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dd OFFSET32 _ioctlDsvxdInitialize
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dd OFFSET32 _ioctlDsvxdShutdown
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dd OFFSET32 _ioctlDrvGetNextDescFromGuid
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dd OFFSET32 _ioctlDrvGetDescFromGuid
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dd OFFSET32 _ioctlIDsDriver_QueryInterface
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dd OFFSET32 _ioctlDrvOpenFromGuid
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dd OFFSET32 _ioctlIDsDriver_Close
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dd OFFSET32 _ioctlIDsDriver_GetCaps
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dd OFFSET32 _ioctlIDsDriver_CreateSoundBuffer
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dd OFFSET32 _ioctlIDsDriver_DuplicateSoundBuffer
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dd OFFSET32 _ioctlBufferRelease
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dd OFFSET32 _ioctlBufferLock
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dd OFFSET32 _ioctlBufferUnlock
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dd OFFSET32 _ioctlBufferSetFormat
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dd OFFSET32 _ioctlBufferSetFrequency
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dd OFFSET32 _ioctlBufferSetVolumePan
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dd OFFSET32 _ioctlBufferSetPosition
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dd OFFSET32 _ioctlBufferGetPosition
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dd OFFSET32 _ioctlBufferPlay
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dd OFFSET32 _ioctlBufferStop
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dd OFFSET32 _ioctlEventScheduleWin32Event
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dd OFFSET32 _ioctlEventCloseVxDHandle
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dd OFFSET32 _ioctlMemReserveAlias
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dd OFFSET32 _ioctlMemCommitAlias
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dd OFFSET32 _ioctlMemRedirectAlias
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dd OFFSET32 _ioctlMemDecommitAlias
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dd OFFSET32 _ioctlMemFreeAlias
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dd OFFSET32 _ioctlMemPageLock
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dd OFFSET32 _ioctlMemPageUnlock
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dd OFFSET32 _ioctlDsvxd_PageFile_Get_Version
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dd OFFSET32 _ioctlDsvxd_VMM_Test_Debug_Installed
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dd OFFSET32 _ioctlDsvxd_VMCPD_Get_Version
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dd OFFSET32 _ioctlDsvxd_GetMixerMutexPtr
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dd OFFSET32 _ioctlMixer_Run
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dd OFFSET32 _ioctlMixer_Stop
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dd OFFSET32 _ioctlMixer_PlayWhenIdle
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dd OFFSET32 _ioctlMixer_StopWhenIdle
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dd OFFSET32 _ioctlMixer_MixListAdd
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dd OFFSET32 _ioctlMixer_MixListRemove
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dd OFFSET32 _ioctlMixer_FilterOn
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dd OFFSET32 _ioctlMixer_FilterOff
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dd OFFSET32 _ioctlMixer_GetBytePosition
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dd OFFSET32 _ioctlMixer_SignalRemix
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dd OFFSET32 _ioctlKeDest_New
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dd OFFSET32 _ioctlMixDest_Delete
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dd OFFSET32 _ioctlMixDest_Initialize
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dd OFFSET32 _ioctlMixDest_Terminate
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dd OFFSET32 _ioctlMixDest_SetFormat
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dd OFFSET32 _ioctlMixDest_SetFormatInfo
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dd OFFSET32 _ioctlMixDest_AllocMixer
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dd OFFSET32 _ioctlMixDest_FreeMixer
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dd OFFSET32 _ioctlMixDest_Play
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dd OFFSET32 _ioctlMixDest_Stop
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dd OFFSET32 _ioctlMixDest_GetFrequency
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dd OFFSET32 _ioctlMemCommitPhysAlias
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dd OFFSET32 _ioctlMemRedirectPhysAlias
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dd OFFSET32 _ioctlIUnknown_QueryInterface
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dd OFFSET32 _ioctlIUnknown_AddRef
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dd OFFSET32 _ioctlIUnknown_Release
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dd OFFSET32 _ioctlIDirectSoundPropertySet_GetProperty
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dd OFFSET32 _ioctlIDirectSoundPropertySet_SetProperty
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dd OFFSET32 _ioctlIDirectSoundPropertySet_QuerySupport
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dd OFFSET32 _ioctlGetInternalVersionNumber
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DSOUND_N_IOCTLS EQU ($-DSVXD_IOCTL_Table) / SIZE DWORD
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;
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;Pointer to input/output parms
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;
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IOCTL_parms dd ?
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VxD_LOCKED_DATA_ENDS
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;****************************************************************************
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;** **
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;** Locked code **
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;** **
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;****************************************************************************
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VxD_LOCKED_CODE_SEG
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extrn _ioctlDsvxdInitialize:NEAR
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extrn _ioctlDsvxdShutdown:NEAR
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extrn _ioctlDrvGetNextDescFromGuid:NEAR
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extrn _ioctlDrvGetDescFromGuid:NEAR
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extrn _ioctlDrvOpenFromGuid:NEAR
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extrn _ioctlIDsDriver_QueryInterface:NEAR
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extrn _ioctlIDsDriver_Close:NEAR
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extrn _ioctlIDsDriver_GetCaps:NEAR
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extrn _ioctlIDsDriver_CreateSoundBuffer:NEAR
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extrn _ioctlIDsDriver_DuplicateSoundBuffer:NEAR
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extrn _ioctlBufferRelease:NEAR
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extrn _ioctlBufferLock:NEAR
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extrn _ioctlBufferUnlock:NEAR
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extrn _ioctlBufferSetFormat:NEAR
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extrn _ioctlBufferSetFrequency:NEAR
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extrn _ioctlBufferSetVolumePan:NEAR
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extrn _ioctlBufferSetPosition:NEAR
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extrn _ioctlBufferGetPosition:NEAR
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extrn _ioctlBufferPlay:NEAR
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extrn _ioctlBufferStop:NEAR
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extrn _ioctlEventScheduleWin32Event:NEAR
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extrn _ioctlEventCloseVxDHandle:NEAR
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extrn _ioctlMemReserveAlias:NEAR
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extrn _ioctlMemCommitAlias:NEAR
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extrn _ioctlMemRedirectAlias:NEAR
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extrn _ioctlMemDecommitAlias:NEAR
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extrn _ioctlMemFreeAlias:NEAR
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extrn _ioctlMemPageLock:NEAR
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extrn _ioctlMemPageUnlock:NEAR
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extrn _ioctlDsvxd_PageFile_Get_Version:NEAR
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extrn _ioctlDsvxd_VMM_Test_Debug_Installed:NEAR
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extrn _ioctlDsvxd_VMCPD_Get_Version:NEAR
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extrn _ioctlDsvxd_GetMixerMutexPtr:NEAR
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extrn _ioctlMixer_Run:NEAR
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extrn _ioctlMixer_Stop:NEAR
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extrn _ioctlMixer_PlayWhenIdle:NEAR
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extrn _ioctlMixer_StopWhenIdle:NEAR
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extrn _ioctlMixer_MixListAdd:NEAR
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extrn _ioctlMixer_MixListRemove:NEAR
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extrn _ioctlMixer_FilterOn:NEAR
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extrn _ioctlMixer_FilterOff:NEAR
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extrn _ioctlMixer_GetBytePosition:NEAR
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extrn _ioctlMixer_SignalRemix:NEAR
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extrn _ioctlKeDest_New:NEAR
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extrn _ioctlMixDest_Delete:NEAR
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extrn _ioctlMixDest_Initialize:NEAR
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extrn _ioctlMixDest_Terminate:NEAR
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extrn _ioctlMixDest_SetFormat:NEAR
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extrn _ioctlMixDest_SetFormatInfo:NEAR
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extrn _ioctlMixDest_AllocMixer:NEAR
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extrn _ioctlMixDest_FreeMixer:NEAR
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extrn _ioctlMixDest_Play:NEAR
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extrn _ioctlMixDest_Stop:NEAR
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extrn _ioctlMixDest_GetFrequency:NEAR
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extrn _ioctlMemCommitPhysAlias:NEAR
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extrn _ioctlMemRedirectPhysAlias:NEAR
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extrn _ioctlIUnknown_QueryInterface:NEAR
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extrn _ioctlIUnknown_AddRef:NEAR
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extrn _ioctlIUnknown_Release:NEAR
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extrn _ioctlIDirectSoundPropertySet_QuerySupport:NEAR
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extrn _ioctlIDirectSoundPropertySet_SetProperty:NEAR
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extrn _ioctlIDirectSoundPropertySet_GetProperty:NEAR
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extrn _ioctlGetInternalVersionNumber:NEAR
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;****************************************************************************
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;** **
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;** IOCTL dispatcher for VxD **
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;** **
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;** Dispatch control messages to the correct handlers. Must be in **
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;** locked code segment. (All VxD segments are locked in 3.0/3.1) **
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;** **
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;** ENTRY: **
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;** **
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;** EXIT: **
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;** Carry clear success; Carry Set if fail. **
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;** **
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;****************************************************************************
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BeginProc DSOUND_Control
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Control_Dispatch Sys_Dynamic_Device_Init, ctrlDynamicDeviceInitA
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Control_Dispatch Sys_Dynamic_Device_Exit, ctrlDynamicDeviceExitA
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Control_Dispatch W32_DEVICEIOCONTROL, ctrlDeviceIOControl
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; Trace_Out "DSOUND_Control "
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clc
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ret
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EndProc DSOUND_Control
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;****************************************************************************
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;** **
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;** API dispatcher for VxD **
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;** **
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;** Dispatch control messages to the correct handlers. **
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;** **
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|
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;** ENTRY: **
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;** **
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;** EXIT: **
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;** Carry clear success; Carry Set if fail. **
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;** **
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;****************************************************************************
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BeginProc DSOUND_API_Handler
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Trace_Out "DSOUND_API_Handler "
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clc
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ret
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|
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EndProc DSOUND_API_Handler
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|
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;---------------------------------------------------------------------------;
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;
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; ctrlDynamicDeviceInit and Exit
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|
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;
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|
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;---------------------------------------------------------------------------;
|
||
|
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|
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|
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|
||
|
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BeginProc ctrlDynamicDeviceInitA
|
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|
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Ccall _ctrlDynamicDeviceInit
|
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|
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sub eax, 1
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|
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ret
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|
|
EndProc ctrlDynamicDeviceInitA
|
||
|
|
|
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|
|
BeginProc ctrlDynamicDeviceExitA
|
||
|
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Ccall _ctrlDynamicDeviceExit
|
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|
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sub eax, 1
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|
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ret
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|
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EndProc ctrlDynamicDeviceExitA
|
||
|
|
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
; FUNC DSOUND_GetVersion - Locked Code
|
||
|
|
;
|
||
|
|
; ENTRY
|
||
|
|
; None
|
||
|
|
;
|
||
|
|
; EXIT
|
||
|
|
; AH = Major version number
|
||
|
|
; AL = Minor version number
|
||
|
|
; Carry flag clear
|
||
|
|
;
|
||
|
|
; USES
|
||
|
|
; EAX, Flags
|
||
|
|
;
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
BeginProc _DSOUND_GetVersion, SERVICE
|
||
|
|
mov eax, DSOUND_VERSION_MAJOR * 100h + DSOUND_VERSION_MINOR
|
||
|
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clc
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|
ret
|
||
|
|
EndProc _DSOUND_GetVersion
|
||
|
|
|
||
|
|
;****************************************************************************
|
||
|
|
;** **
|
||
|
|
;** ctrlDeviceIOControl **
|
||
|
|
;** **
|
||
|
|
;** DESCRIPTION: This function is called to perform Device IO **
|
||
|
|
;** for a 32 bit process which has opened this device with **
|
||
|
|
;** <f CreateFile>, and is performing IO using **
|
||
|
|
;** <f DeviceIOControl>. Preserves the C32 calling registers **
|
||
|
|
;** ESI, EDI, and EBX. **
|
||
|
|
;** **
|
||
|
|
;** ENTRY: EBX DDB **
|
||
|
|
;** ECX dwIoControlCode **
|
||
|
|
;** ESI ptr to DIOCParams **
|
||
|
|
;** **
|
||
|
|
;** EXIT: As determined by function, or 1 if invalid IOCTL **
|
||
|
|
;** **
|
||
|
|
;** ----- **
|
||
|
|
;** **
|
||
|
|
;** Note: Function 0 is documented in vmm.h **
|
||
|
|
;** as DIOC_OPEN. It is your VxD's PROCESS_ATTACH call. **
|
||
|
|
;** **
|
||
|
|
;****************************************************************************
|
||
|
|
|
||
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|
BeginProc ctrlDeviceIOControl
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||
|
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|
||
|
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cmp ecx, DSOUND_N_IOCTLS
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||
|
|
jae cDIOC_InvalidCode
|
||
|
|
|
||
|
|
push edi
|
||
|
|
push esi
|
||
|
|
push ebx
|
||
|
|
|
||
|
|
mov IOCTL_parms,esi
|
||
|
|
|
||
|
|
push esi
|
||
|
|
call DSVXD_IOCTL_Table[ecx*4]
|
||
|
|
add esp, 4
|
||
|
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|
||
|
|
pop ebx
|
||
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|
pop esi
|
||
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|
pop edi
|
||
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|
ret
|
||
|
|
|
||
|
|
cDIOC_InvalidCode:
|
||
|
|
IFDEF DEBUG
|
||
|
|
cmp ecx, DIOC_CLOSEHANDLE
|
||
|
|
Debug_OutNZ "DSVXD: Invalid dwIoControlCode #ECX"
|
||
|
|
ENDIF
|
||
|
|
mov eax, 1 ; ERROR_INVALID_FUNCTION
|
||
|
|
ret
|
||
|
|
|
||
|
|
EndProc ctrlDeviceIOControl
|
||
|
|
|
||
|
|
;****************************************************************************
|
||
|
|
;** **
|
||
|
|
;** _ioctlDsvxdGetVersion **
|
||
|
|
;** **
|
||
|
|
;** DESCRIPTION: Get the version of DSVXD **
|
||
|
|
;** **
|
||
|
|
;** ENTRY: **
|
||
|
|
;** **
|
||
|
|
;** EXIT: **
|
||
|
|
;** **
|
||
|
|
;****************************************************************************
|
||
|
|
|
||
|
|
BeginProc _ioctlDsvxdGetVersion
|
||
|
|
|
||
|
|
Trace_Out "DSVXD: ioctlDsvxdGetVersion"
|
||
|
|
|
||
|
|
xor eax, eax
|
||
|
|
mov ecx, DSOUND_VERSION_MAJOR * 100h + DSOUND_VERSION_MINOR
|
||
|
|
ret
|
||
|
|
|
||
|
|
EndProc _ioctlDsvxdGetVersion
|
||
|
|
|
||
|
|
;****************************************************************************
|
||
|
|
;** **
|
||
|
|
;** **
|
||
|
|
;** **
|
||
|
|
;****************************************************************************
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _Dsvxd_VMM_Test_Debug_Installed
|
||
|
|
;
|
||
|
|
; Out:
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
BeginProc _Dsvxd_VMM_Test_Debug_Installed
|
||
|
|
EnterProc
|
||
|
|
VMMcall Test_Debug_Installed
|
||
|
|
mov eax, 0
|
||
|
|
jz @F
|
||
|
|
inc eax
|
||
|
|
@@:
|
||
|
|
LeaveProc
|
||
|
|
Return
|
||
|
|
EndProc _Dsvxd_VMM_Test_Debug_Installed
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _Dsvxd_PageFile_Get_Version
|
||
|
|
;
|
||
|
|
; Out:
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
BeginProc _Dsvxd_PageFile_Get_Version
|
||
|
|
ArgVar p_version, DWORD
|
||
|
|
ArgVar p_maxsize, DWORD
|
||
|
|
ArgVar p_pager_type, DWORD
|
||
|
|
|
||
|
|
EnterProc
|
||
|
|
pushad
|
||
|
|
VxDcall PageFile_Get_Version
|
||
|
|
mov edi, p_version
|
||
|
|
mov [edi], eax
|
||
|
|
mov edi, p_maxsize
|
||
|
|
mov [edi], ecx
|
||
|
|
xor eax, eax
|
||
|
|
mov al, bl
|
||
|
|
mov edi, p_pager_type
|
||
|
|
mov [edi], eax
|
||
|
|
popad
|
||
|
|
LeaveProc
|
||
|
|
Return
|
||
|
|
EndProc _Dsvxd_PageFile_Get_Version
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _Dsvxd_VMCPD_Get_Version
|
||
|
|
;
|
||
|
|
; Out:
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
BeginProc _Dsvxd_VMCPD_Get_Version
|
||
|
|
ArgVar pMajorVersion, DWORD
|
||
|
|
ArgVar pMinorVersion, DWORD
|
||
|
|
ArgVar pLevel, DWORD
|
||
|
|
|
||
|
|
EnterProc
|
||
|
|
pushad
|
||
|
|
|
||
|
|
VxDcall VMCPD_Get_Version
|
||
|
|
xor ebx, ebx
|
||
|
|
|
||
|
|
mov edi, pMajorVersion
|
||
|
|
mov bl, ah
|
||
|
|
mov [edi], ebx
|
||
|
|
|
||
|
|
mov bl, al
|
||
|
|
mov edi, pMinorVersion
|
||
|
|
mov [edi], ebx
|
||
|
|
|
||
|
|
mov edi, pLevel
|
||
|
|
mov [edi], ecx
|
||
|
|
|
||
|
|
popad
|
||
|
|
LeaveProc
|
||
|
|
Return
|
||
|
|
EndProc _Dsvxd_VMCPD_Get_Version
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _KeGrace_GlobalTimeOutProcAsm
|
||
|
|
;
|
||
|
|
; This is the entry point for the global time out set by the
|
||
|
|
; KeGrace object. This is just an ASM thunk to KeGrace_GlobalTimeOutProc
|
||
|
|
; "C" function.
|
||
|
|
;
|
||
|
|
; This function is called from the VMM as follows:
|
||
|
|
;
|
||
|
|
; mov ebx, VMHandle ; current VM handle
|
||
|
|
; mov ecx, Tardiness ; number of milliseconds since time-out
|
||
|
|
; mov edx, RefData ; reference data
|
||
|
|
; mov ebp, OFFSET32 crs ; points to Client_Reg_Struc
|
||
|
|
; call [TimeOutCallback]
|
||
|
|
;
|
||
|
|
; Out:
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
extrn _KeGrace_GlobalTimeOutProc:NEAR
|
||
|
|
|
||
|
|
BeginProc _KeGrace_GlobalTimeOutProcAsm
|
||
|
|
; The reference data is a pointer to and EVENTPARAMS structure whose
|
||
|
|
; first member is the event handle and second member is the "this" pointer
|
||
|
|
; to the KeGrace object
|
||
|
|
|
||
|
|
xor eax, eax
|
||
|
|
xchg [edx], eax ; Clear the event handle
|
||
|
|
|
||
|
|
Debug_OutEAXz "DSVXD: executing KeGrace_GlobalTimeOutProcAsm after cancelled!"
|
||
|
|
or eax, eax
|
||
|
|
jz @F
|
||
|
|
|
||
|
|
pushad
|
||
|
|
push ecx ; Pass tardiness
|
||
|
|
push [edx + 4] ; Pass "this" to the "C" function
|
||
|
|
Ccall _KeGrace_GlobalTimeOutProc
|
||
|
|
add esp, 8
|
||
|
|
popad
|
||
|
|
|
||
|
|
@@:
|
||
|
|
ret
|
||
|
|
|
||
|
|
EndProc _KeGrace_GlobalTimeOutProcAsm
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _VMEvent_SetWin32Event
|
||
|
|
;
|
||
|
|
; This is a VM EventCallback scheduled by _AsyncTimeOut_SetWin32Event.
|
||
|
|
; This calls VWin32 to set a Win32 event.
|
||
|
|
;
|
||
|
|
; In:
|
||
|
|
; ebx = vm handle
|
||
|
|
; edi = thread handle
|
||
|
|
; edx = refdata = vxd handle to win32 event
|
||
|
|
; ebp = offset32 client reg struc
|
||
|
|
;
|
||
|
|
; Out:
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
; See _eventScheduleWin32Event
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
BeginProc _VMEvent_SetWin32Event
|
||
|
|
|
||
|
|
mov eax, edx
|
||
|
|
VxDcall _VWIN32_SetWin32Event
|
||
|
|
|
||
|
|
ret
|
||
|
|
|
||
|
|
EndProc _VMEvent_SetWin32Event
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _AsyncTimeOut_SetWin32Event
|
||
|
|
;
|
||
|
|
; This is an async timeout callback set by _Set_SetWin32Event_TimeOut.
|
||
|
|
; This schedules _VMEvent_SetWin32Event as a sys vm event callback.
|
||
|
|
;
|
||
|
|
; In:
|
||
|
|
; ecx = tardiness
|
||
|
|
; edx = reference data = vxd handle to win32 event
|
||
|
|
;
|
||
|
|
; Out:
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
; See _eventScheduleWin32Event
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
BeginProc _AsyncTimeOut_SetWin32Event
|
||
|
|
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
|
||
|
|
VMMcall Get_Sys_VM_Handle
|
||
|
|
mov esi, _VMEvent_SetWin32Event
|
||
|
|
VMMcall Schedule_VM_Event
|
||
|
|
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
ret
|
||
|
|
|
||
|
|
EndProc _AsyncTimeOut_SetWin32Event
|
||
|
|
|
||
|
|
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
;
|
||
|
|
; _EventScheduleWin32Event
|
||
|
|
;
|
||
|
|
; This signals a win32 event after a specified delay.
|
||
|
|
;
|
||
|
|
; In:
|
||
|
|
; vxdhEvent - vxd handle to win32 event
|
||
|
|
; dwDelay - milliseconds delay
|
||
|
|
;
|
||
|
|
; Out(int):
|
||
|
|
; 0 if failure, non-0 otherwise
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
; Use 'C' calling convention. Sets an async timeout which in
|
||
|
|
; turn schedules a vm event to actually signal the win32 event.
|
||
|
|
;
|
||
|
|
;--------------------------------------------------------------------------;
|
||
|
|
|
||
|
|
BeginProc _eventScheduleWin32Event
|
||
|
|
|
||
|
|
ArgVar vxdhEvent,DWORD
|
||
|
|
ArgVar dwDelay,DWORD
|
||
|
|
|
||
|
|
EnterProc
|
||
|
|
push ebx
|
||
|
|
push esi
|
||
|
|
|
||
|
|
mov eax, dwDelay
|
||
|
|
|
||
|
|
test eax, eax
|
||
|
|
jnz _ESW32E_delayed
|
||
|
|
|
||
|
|
VMMcall Get_Sys_VM_Handle
|
||
|
|
mov esi, _VMEvent_SetWin32Event
|
||
|
|
mov edx, vxdhEvent
|
||
|
|
Vmmcall Call_VM_Event
|
||
|
|
mov eax, -1
|
||
|
|
|
||
|
|
jmp _ESW32E_exit
|
||
|
|
|
||
|
|
_ESW32E_delayed:
|
||
|
|
Debug_Out "DSVXD: Tried to set a defered win32 event???"
|
||
|
|
mov edx, vxdhEvent
|
||
|
|
mov esi, _AsyncTimeOut_SetWin32Event
|
||
|
|
VMMcall Set_Async_Time_Out
|
||
|
|
mov eax, esi
|
||
|
|
|
||
|
|
_ESW32E_exit:
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
LeaveProc
|
||
|
|
Return
|
||
|
|
|
||
|
|
EndProc _eventScheduleWin32Event
|
||
|
|
|
||
|
|
VXD_LOCKED_CODE_ENDS
|
||
|
|
END
|