Int 2F/AX=1684h/BX=31CFh

MS Windows - STAT.386 - GET API ENTRY POINT

AX = 1684h
BX = 31CFh (virtual device ID for STAT.386) (see #02642)
ES:DI = 0000h:0000h

Return:
ES:DI -> VxD API entry point (see #02706)
0000h:0000h if the VxD does not support an API

See Also: AX=1684h"DEVICE API" - INT 20"Windows"



(Table 02706)
Call STAT.386 entry point with:.
AX = function
0000h get version
Return:
AX = STAT.386 version (AH = major, AL = minor)
0001h execute RDMSR/WRMSR/RDTSC
BH = 00h
BL = second opcode byte (30h=WRMSR,31h=RDTSC,32h=RDMSR)
EDX:EDI = value to be written (for BL=30h)
ECX = MSR number for RDMSR/WRMSR
Return:
EDX:EAX = value read (RDTSR/RDMSR only)

See Also: #02703 - #02707

Category: Windows - Int 2Fh - M

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