Jump to content

List of DevHlp Functions: Difference between revisions

From EDM2
No edit summary
No edit summary
 
(8 intermediate revisions by the same user not shown)
Line 4: Line 4:
!Function Name||Code||Description
!Function Name||Code||Description
|-
|-
|[[DevHelp_SchedClock|DevHlp_SchedClock]]||0x0||Called each timer tick
|[[DevHlp_SchedClock]]||0x0||Called each timer tick
|-
|-
|[[DevHelp_DevDone|DevHlp_DevDone]]||0x1||Device I/O complete
|[[DevHelp_DevDone|DevHlp_DevDone]]||0x1||Device I/O complete
Line 86: Line 86:
|[[DevHelp RAS|DevHlp_RAS]]||0x28||Put info in RAS trace buffer
|[[DevHelp RAS|DevHlp_RAS]]||0x28||Put info in RAS trace buffer
|-
|-
|DevHlp_ABIOSGetParms||0x29||Get ABIOS Calling Parameters
|[[DevHlp_ABIOSGetParms]]||0x29||Get ABIOS Calling Parameters
|-
|-
|[[DevHelp AttachDD|DevHlp_AttachDD]]||0x2A||Attach to a device driver
|[[DevHelp AttachDD|DevHlp_AttachDD]]||0x2A||Attach to a device driver
Line 92: Line 92:
|[[DevHelp InternalError|DevHlp_InternalError]]||0x2B||Signal an internal error
|[[DevHelp InternalError|DevHlp_InternalError]]||0x2B||Signal an internal error
|-
|-
|DevHlp_ModifyPriority||0x2C||Undocumented (used by PM)
|[[DevHlp_ModifyPriority]]||0x2C||Undocumented (used by PM)
|-
|-
|[[DevHelp AllocGDTSelector|DevHlp_AllocGDTSelector]]||0x2D||Allocate GDT Selectors
|[[DevHelp AllocGDTSelector|DevHlp_AllocGDTSelector]]||0x2D||Allocate GDT Selectors
Line 120: Line 120:
|[[DevHelp RegisterStackUsage|DevHlp_RegisterStackUsage]]||0x3A||Register for stack usage
|[[DevHelp RegisterStackUsage|DevHlp_RegisterStackUsage]]||0x3A||Register for stack usage
|-
|-
|DevHlp_LogEntry||0x3B||Place data in log buffer
|[[DevHlp_LogEntry]]||0x3B||Place data in log buffer
|-
|-
|[[DevHelp VideoPause|DevHlp_VideoPause]]||0x3C||Video pause on/off
|[[DevHelp VideoPause|DevHlp_VideoPause]]||0x3C||Video pause on/off
Line 126: Line 126:
|[[DevHelp Save Message|DevHlp_Save_Message]]||0x3D||Save message in SysInit Message Table
|[[DevHelp Save Message|DevHlp_Save_Message]]||0x3D||Save message in SysInit Message Table
|-
|-
|DevHlp_SegRealloc||0x3E||Realloc DD protect mode segment
|DevHlp_SegRealloc ||0x3E||Realloc DD protect mode segment. *[[DevHlp_ReallocSeg]]
|-
|-
|DevHlp_PutWaitingQueue||0x3F||Put I/O request on waiting queue
|[[DevHlp_PutWaitingQueue]]||0x3F||Put I/O request on waiting queue
|-
|-
|DevHlp_GetWaitingQueue||0x40||Get I/O request from waiting queue
|[[DevHlp_GetWaitingQueue]]||0x40||Get I/O request from waiting queue
|-
|-
|DevHlp_PhysToSys||0x41||Address conversion for the AOX
|[[DevHlp_PhysToSys]]||0x41||Address conversion for the AOX
|-
|-
|DevHlp_PhysToSysHook||0x42||Address conversion for the AOX
|[[DevHlp_PhysToSysHook]]||0x42||Address conversion for the AOX
|-
|-
|[[DevHelp RegisterDeviceClass|DevHlp_RegisterDeviceClass]]||0x43||Register DC entry point
|[[DevHelp RegisterDeviceClass|DevHlp_RegisterDeviceClass]]||0x43||Register DC entry point
Line 170: Line 170:
|[[DevHelp GetDescInfo|DevHlp_GetDescInfo]]||0x5D||Return descriptor information
|[[DevHelp GetDescInfo|DevHlp_GetDescInfo]]||0x5D||Return descriptor information
|-
|-
|DevHlp_LinToPageList||0x5E||build pagelist array from linear address
|[[DevHelp_LinToPageList|DevHlp_LinToPageList]]||0x5E||build pagelist array from linear address
|-
|-
|DevHlp_PageListToLin||0x5F||map page list array to linear address
|[[DevHelp PageListToLin|DevHlp_PageListToLin]]||0x5F||map page list array to linear address
|-
|-
|DevHlp_PageListToGDTSelector||0x60||map page list array to GDT selector
|[[DevHelp PageListToGDTSelector|DevHlp_PageListToGDTSelector]]||0x60||map page list array to GDT selector
|-
|-
|DevHlp_RegisterTmrDD||0x61||Register TMR Device Driver
|[[DevHelp RegisterTmrDD|DevHlp_RegisterTmrDD]]||0x61||Register TMR Device Driver
|-
|-
|DevHlp_RegisterPerfCtrs||0x62||Register device driver perf. ctrs (PVW)
|DevHlp_RegisterPerfCtrs||0x62||Register device driver perf. ctrs (PVW)
|-
|-
|DevHlp_AllocateCtxHook||0x63||Allocate a context hook
|[[DevHelp AllocateCtxHook|DevHlp_AllocateCtxHook]]||0x63||Allocate a context hook
|-
|-
|DevHlp_FreeCtxHook||0x64||Free a context hook
|[[DevHelp FreeCtxHook|DevHlp_FreeCtxHook]]||0x64||Free a context hook
|-
|-
|DevHlp_ArmCtxHook||0x65||Arm a context hook
|[[DevHelp ArmCtxHook|DevHlp_ArmCtxHook]]||0x65||Arm a context hook
|-
|-
|DevHlp_VMSetMem||0x66||commit/decommit memory
|[[DevHelp VMSetMem|DevHlp_VMSetMem]]||0x66||commit/decommit memory
|-
|-
|DevHlp_OpenEventSem||0x67||Open an event semaphore
|[[DevHelp OpenEventSem|DevHlp_OpenEventSem]]||0x67||Open an event semaphore
|-
|-
|DevHlp_CloseEventSem||0x68||Close an event semaphore
|[[DevHelp CloseEventSem|DevHlp_CloseEventSem]]||0x68||Close an event semaphore
|-
|-
|DevHlp_PostEventSem||0x69||post an event semaphore
|[[DevHelp PostEventSem|DevHlp_PostEventSem]]||0x69||post an event semaphore
|-
|-
|DevHlp_ResetEventSem||0x6A||Reset an event semaphore             
|[[DevHelp ResetEventSem|DevHlp_ResetEventSem]]||0x6A||Reset an event semaphore             
|-
|-
|DevHlp_RegisterFreq||0x6B||Register PTD freq service entry point with kernel
|DevHlp_RegisterFreq||0x6B||Register PTD freq service entry point with kernel
|-
|-
|DevHlp_DynamicAPI||0x6C||Add a dynamic API
|[[DevHelp DynamicAPI|DevHlp_DynamicAPI]]||0x6C||Add a dynamic API
|-
|-
|DevHlp_ProcRun2||0x6D||Unblock process via procrun2
|DevHlp_ProcRun2||0x6D||Unblock process via procrun2
Line 204: Line 204:
|DevHlp_CreateInt13VDM||0x6E||Create Int13 VDM (Internal Only) OEMINT13
|DevHlp_CreateInt13VDM||0x6E||Create Int13 VDM (Internal Only) OEMINT13
|-
|-
|DevHlp_RegisterKrnlExit||0x6F||Used to capture Kernel Exits  F78693
|[[DevHelp RegisterKrnlExit|DevHlp_RegisterKrnlExit]]||0x6F||Used to capture Kernel Exits  F78693
|-
|-
|DevHlp_PMPostEventSem||0x70||PM Post Event Semaphore||
|DevHlp_PMPostEventSem||0x70||PM Post Event Semaphore||
|-
|-
|DevHlp_AcquireSpinLock||0x71||acquire Spin Lock||SMP only
|[[DevHlp_AcquireSpinLock]]||0x71||acquire Spin Lock||SMP only
|-
|-
|DevHlp_ReleaseSpinLock||0x72||release Spin Lock||SMP only
|[[DevHlp_ReleaseSpinLock]]||0x72||release Spin Lock||SMP only
|-
|-
|DevHlp_InitIntMouseCursorData||0x73||Initialize Mouse/Cursor Data||SMP only
|DevHlp_InitIntMouseCursorData||0x73||Initialize Mouse/Cursor Data||SMP only
Line 218: Line 218:
|DevHlp_EndIntMouseCursor||0x75||End Int Time Mouse/Cursor||SMP only
|DevHlp_EndIntMouseCursor||0x75||End Int Time Mouse/Cursor||SMP only
|-
|-
|DevHlp_Port_IO||0x76||Port I/O||SMP only
|[[DevHlp_PortIO|DevHlp_Port_IO]]||0x76||Port I/O||SMP only
|-
|-
|[[DevHlp_SetIRQMask]]||0x77||Set/Unset an IRQ Mask||SMP only
|[[DevHlp_SetIRQMask]]||0x77||Set/Unset an IRQ Mask||SMP only
Line 224: Line 224:
|[[DevHlp_GetIRQMask]]||0x78||Retrieve an IRQ Mask state||SMP only
|[[DevHlp_GetIRQMask]]||0x78||Retrieve an IRQ Mask state||SMP only
|-
|-
|DevHlp_CreateSpinLock||0x79||Create Spin Lock||SMP only
|[[DevHlp_CreateSpinLock]]||0x79||Create Spin Lock||SMP only
|-
|-
|DevHlp_FreeSpinLock||0x7A||Free Spin Lock||SMP only
|[[DevHlp_FreeSpinLock]]||0x7A||Free Spin Lock||SMP only
|-
|-
|[[DevHlp_KillProc]]||0x7D||Kill Proc
|[[DevHlp_KillProc]]||0x7D||Kill Proc

Latest revision as of 15:24, 27 May 2025

DevHlp function names with request code

Function Name Code Description
DevHlp_SchedClock 0x0 Called each timer tick
DevHlp_DevDone 0x1 Device I/O complete
DevHlp_Yield 0x2 Yield CPU if resched set
DevHlp_TCYield 0x3 Yield to time critical task
DevHlp_ProcBlock 0x4 Block on event
DevHlp_ProcRun 0x5 Unblock process
DevHlp_SemRequest 0x6 Claim a semaphore
DevHlp_SemClear 0x7 Release a semaphore
DevHlp_SemHandle 0x8 Obtain a semaphore handle
DevHlp_PushRequest 0x9 Push the request
DevHlp_PullRequest 0xA Pull next request from Q
DevHelp_PullParticular 0xB Pull a specific request
DevHelp_SortRequest 0xC Push request in sorted order
DevHelp_AllocReqPacket 0xD Allocate request packet
DevHelp_FreeReqPacket 0xE free request packet
DevHelp_QueueInit 0xF Init/Clear char queue
DevHelp_QueueFlush 0x10 flush queue
DevHelp_QueueWrite 0x11 Put a char in the queue
DevHelp_QueueRead 0x12 Get a char from the queue
DevHelp_Lock 0x13 Lock segment
DevHelp_UnLock 0x14 Unlock segment
DevHelp_PhysToVirt 0x15 Convert physical address to virtual
DevHelp_VirtToPhys 0x16 Convert virtual address to physical
DevHelp_PhysToUVirt 0x17 Convert physical to LDT
DevHelp_AllocPhys 0x18 Allocate physical memory
DevHelp_FreePhys 0x19 Free physical memory
DevHelp_SetROMVector 0x1A Set a ROM service routine vector
DevHelp_SetIRQ 0x1B Set an IRQ interrupt
DevHelp_UnSetIRQ 0x1C Unset an IRQ interrupt
DevHelp_SetTimer 0x1D Set timer request handler
DevHelp_ResetTimer 0x1E Unset timer request handler
DevHlp_MonitorCreate 0x1F Create a monitor
DevHlp_Register 0x20 Install a monitor
DevHlp_DeRegister 0x21 Remove a monitor
DevHlp_MonWrite 0x22 pass data records to monitor
DevHlp_MonFlush 0x23 remove all data from stream
DevHlp_GetDOSVar 0x24 Return pointer to DOS variable
DevHlp_SendEvent 0x25 an event occurred
DevHlp_ROMCritSection 0x26 ROM Critical Section
DevHlp_VerifyAccess 0x27 Verify access to memory
DevHlp_RAS 0x28 Put info in RAS trace buffer
DevHlp_ABIOSGetParms 0x29 Get ABIOS Calling Parameters
DevHlp_AttachDD 0x2A Attach to a device driver
DevHlp_InternalError 0x2B Signal an internal error
DevHlp_ModifyPriority 0x2C Undocumented (used by PM)
DevHlp_AllocGDTSelector 0x2D Allocate GDT Selectors
DevHlp_PhysToGDTSelector 0x2E Convert physical address to GDT selector
DevHlp_RealToProt 0x2F Change from real to protected mode
DevHlp_ProtToReal 0x30 Change from protected to real mode
DevHlp_EOI 0x31 Send EOI to PIC
DevHlp_UnPhysToVirt 0x32 Mark completion of PhysToVirt
DevHlp_TickCount 0x33 Modify timer
DevHlp_GetLIDEntry 0x34 Obtain Logical ID
DevHlp_FreeLIDEntry 0x35 Release Logical ID
DevHlp_ABIOSCall 0x36 Call ABIOS
DevHlp_ABIOSCommonEntry 0x37 Invoke Common Entry Point
DevHlp_GetDeviceBlock 0x38 Get ABIOS Device Block
DevHlp_RegisterStackUsage 0x3A Register for stack usage
DevHlp_LogEntry 0x3B Place data in log buffer
DevHlp_VideoPause 0x3C Video pause on/off
DevHlp_Save_Message 0x3D Save message in SysInit Message Table
DevHlp_SegRealloc 0x3E Realloc DD protect mode segment. *DevHlp_ReallocSeg
DevHlp_PutWaitingQueue 0x3F Put I/O request on waiting queue
DevHlp_GetWaitingQueue 0x40 Get I/O request from waiting queue
DevHlp_PhysToSys 0x41 Address conversion for the AOX
DevHlp_PhysToSysHook 0x42 Address conversion for the AOX
DevHlp_RegisterDeviceClass 0x43 Register DC entry point
DevHlp_Sec 0x44 Register Security table
DevHlp_PerfSysTrace 0x45 Put info in performance trace buffer
DevHlp_RegisterPDD 0x50 Register PDD entry point with VDM manager for later PDD-VDD communication
DevHlp_RegisterBeep 0x51 register PTD beep service entry point with kernel
DevHlp_Beep 0x52 preempt beep service via PTD
DevHlp_FreeGDTSelector 0x53 Free allocated GDT selector
DevHlp_PhysToGDTSel 0x54 Convert Phys Addr to GDT sel with given access
DevHlp_VMLock 0x55 Lock linear address range
DevHlp_VMUnlock 0x56 Unlock address range
DevHlp_VMAlloc 0x56 Allocate memory
DevHlp_VMFree 0x58 Free memory or mapping
DevHlp_VMProcessToGlobal 0x59 Create global mapping to process memory
DevHlp_VMGlobalToProcess 0x5A Create process mapping to global memory
DevHlp_VirtToLin 0x5B Convert virtual address to linear
DevHlp_LinToGDTSelector 0x5C Convert linear address to virtual
DevHlp_GetDescInfo 0x5D Return descriptor information
DevHlp_LinToPageList 0x5E build pagelist array from linear address
DevHlp_PageListToLin 0x5F map page list array to linear address
DevHlp_PageListToGDTSelector 0x60 map page list array to GDT selector
DevHlp_RegisterTmrDD 0x61 Register TMR Device Driver
DevHlp_RegisterPerfCtrs 0x62 Register device driver perf. ctrs (PVW)
DevHlp_AllocateCtxHook 0x63 Allocate a context hook
DevHlp_FreeCtxHook 0x64 Free a context hook
DevHlp_ArmCtxHook 0x65 Arm a context hook
DevHlp_VMSetMem 0x66 commit/decommit memory
DevHlp_OpenEventSem 0x67 Open an event semaphore
DevHlp_CloseEventSem 0x68 Close an event semaphore
DevHlp_PostEventSem 0x69 post an event semaphore
DevHlp_ResetEventSem 0x6A Reset an event semaphore
DevHlp_RegisterFreq 0x6B Register PTD freq service entry point with kernel
DevHlp_DynamicAPI 0x6C Add a dynamic API
DevHlp_ProcRun2 0x6D Unblock process via procrun2
DevHlp_CreateInt13VDM 0x6E Create Int13 VDM (Internal Only) OEMINT13
DevHlp_RegisterKrnlExit 0x6F Used to capture Kernel Exits F78693
DevHlp_PMPostEventSem 0x70 PM Post Event Semaphore
DevHlp_AcquireSpinLock 0x71 acquire Spin Lock SMP only
DevHlp_ReleaseSpinLock 0x72 release Spin Lock SMP only
DevHlp_InitIntMouseCursorData 0x73 Initialize Mouse/Cursor Data SMP only
DevHlp_StartIntMouseCursor 0x74 Start Int Time Mouse/Cursor SMP only
DevHlp_EndIntMouseCursor 0x75 End Int Time Mouse/Cursor SMP only
DevHlp_Port_IO 0x76 Port I/O SMP only
DevHlp_SetIRQMask 0x77 Set/Unset an IRQ Mask SMP only
DevHlp_GetIRQMask 0x78 Retrieve an IRQ Mask state SMP only
DevHlp_CreateSpinLock 0x79 Create Spin Lock SMP only
DevHlp_FreeSpinLock 0x7A Free Spin Lock SMP only
DevHlp_KillProc 0x7D Kill Proc
DevHlp_QSysState 0x7E Query System State
DevHlp_OpenFile 0x7F Ring-0 File system Write
DevHlp_CloseFile 0x80 Ring-0 File system Seek
DevHlp_ReadFile 0x81 Ring-0 File system Read
DevHlp_ReadFileAt 0x82 File system Read at (seek)
DevHlp_RegisterKDD 0x83 Register driver with kernel debugger