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Monster Media 1993 #2
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devhlp.inc
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1991-05-31
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4KB
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115 lines
;
; Copyright (c) Microsoft Corporation, 1988
;
;
SUBTTL DevHlp - Definitions for device driver helper functions
DevHlp_SchedClock EQU 0 ; 0 Called each timer tick
DevHlp_DevDone EQU 1 ; 1 Device I/O complete
DevHlp_Yield EQU 2 ; 2 yield CPU if resched set
DevHlp_TCYield EQU 3 ; 3 yield to time critical task
DevHlp_Block EQU 4 ; 4 Block on event
DevHlp_Run EQU 5 ; 5 Unblock process
DevHlp_SemRequest EQU 6 ; 6 claim a semaphore
DevHlp_SemClear EQU 7 ; 7 release a semaphore
DevHlp_SemHandle EQU 8 ; 8 obtain a semaphore handle
DevHlp_PushRequest EQU 9 ; 9 Push the request
DevHlp_PullRequest EQU 10 ; A Pull next request from Q
DevHlp_PullParticular EQU 11 ; B Pull a specific request
DevHlp_SortRequest EQU 12 ; C Push request in sorted order
DevHlp_AllocReqPacket EQU 13 ; D allocate request packet
DevHlp_FreeReqPacket EQU 14 ; E free request packet
DevHlp_QueueInit EQU 15 ; F Init/Clear char queue
DevHlp_QueueFlush EQU 16 ; 10 flush queue
DevHlp_QueueWrite EQU 17 ; 11 Put a char in the queue
DevHlp_QueueRead EQU 18 ; 12 Get a char from the queue
DevHlp_Lock EQU 19 ; 13 Lock segment
DevHlp_Unlock EQU 20 ; 14 Unlock segment
DevHlp_PhysToVirt EQU 21 ; 15 convert physical address to virtual
DevHlp_VirtToPhys EQU 22 ; 16 convert virtual address to physical
DevHlp_PhysToUVirt EQU 23 ; 17 convert physical to LDT
DevHlp_UnPhysToVirt EQU 50 ; 32 done with phystovirt selector.
DevHlp_AllocPhys EQU 24 ; 18 allocate physical memory
DevHlp_FreePhys EQU 25 ; 19 free physical memory
DevHlp_SetROMVector EQU 26 ; 1A set a ROM service routine vector
DevHlp_SetIRQ EQU 27 ; 1B set an IRQ interrupt
DevHlp_UnSetIRQ EQU 28 ; 1C unset an IRQ interrupt
DevHlp_SetTimer EQU 29 ; 1D set timer request handler
DevHlp_ResetTimer EQU 30 ; 1E unset timer request handler
DevHlp_MonitorCreate EQU 31 ; 1F create a monitor
DevHlp_Register EQU 32 ; 20 install a monitor
DevHlp_DeRegister EQU 33 ; 21 remove a monitor
DevHlp_MonWrite EQU 34 ; 22 pass data records to monitor
DevHlp_MonFlush EQU 35 ; 23 remove all data from stream
DevHlp_GetDOSVar EQU 36 ; 24 Return pointer to DOS variable
DevHlp_SendEvent EQU 37 ; 25 an event occurred
DevHlp_ROMCritSection EQU 38 ; 26 ROM Critical Section
DevHlp_VerifyAccess EQU 39 ; 27 Verify access to memory
DevHlp_RAS EQU 40 ; 28 Put info in RAS trace buffer
DevHlp_AttachDD equ 2Ah ; Attack a device driver
DevHlp_InternalError equ 2Bh ; Panic
DevHlp_AllocGDTSel EQU 45 ; 2D Allocate GDT Selectors
DevHlp_PhysToGDTSel EQU 46 ; 2E Convert phys addr to GDT sel
DevHlp_RealToProt EQU 47 ; 2F Change from real to protected mode
DevHlp_ProtToReal EQU 48 ; 30 Change from protected to real mode
DevHlp_EOI EQU 49 ; 31 Send EOI to PIC
DevHlp_UnPhysToVirt EQU 50 ; 32 mark completion of PhysToVirt
DevHlp_TickCount EQU 51 ; 33 modify timer
DevHlp_GetLIDEntry equ 34h
DevHlp_FreeLIDEntry equ 35h
DevHlp_ABIOSCall equ 36h
DevHlp_ABIOSCommonEntry equ 37h
DevHlp_RegisterStackUse equ 38h
DevHlp_VideoPause equ 3Ch
DevHlp_DispMsg equ 3Dh
event_SM_Mou equ 0 ; event was Session Manager-mouse@@
event_MUF equ 0 ; (OBSOLETE) event was muf key
event_CtrlBrk equ 1 ; event was Ctrl-Break
event_CtrlC equ 2 ; event was Ctrl-C
event_CtrlScrLk equ 3 ; event was Ctrl-ScrollLock
event_CtrlPrtSc equ 4 ; event was Ctrl-PrtSc
event_ShftPrtSc equ 5 ; event was Shift-PrtSc
event_SM_Kbd equ 6 ; event was Session Manager -keyboard@@
event_count equ 7 ; @@ Number of possible events
; Character Queue structure
;
; QueueInit must be called before any other queue manipulation
; subroutine. The Qsize field must be initialized before
; calling QueueInit.
CharQueue STRUC
Qsize DW ? ; Size of queue in bytes
Qchrout DW ? ; Index of next char out
Qcount DW ? ; Count of characters in the queue
Qbase DB ? ; Queue buffer
CharQueue ENDS
RASrouter struc
pretrace_addr dw 0
preminor dw 0
posttrace_addr dw 0
postminor dw 0
RASrouter ends