27 lines
440 B
NASM
27 lines
440 B
NASM
.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
|