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.code
; INTN
; EFIAPI
; XenHypercall2 (
; IN VOID *HypercallAddr,
; IN OUT INTN Arg1,
; IN OUT INTN Arg2
; );
XenHypercall2 PROC
push rdi
push rsi
; Copy HypercallAddr to rax
mov rax, rcx
; Copy Arg1 to the register expected by Xen
mov rdi, rdx
; Copy Arg2 to the register expected by Xen
mov rsi, r8
; Call HypercallAddr
call rax
pop rsi
pop rdi
ret
XenHypercall2 ENDP
END
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