blob: 5e6a0c05c5c407a1912ce4d54db46d2edf8de374 [file] [log] [blame]
DEFAULT REL
SECTION .text
; INTN
; EFIAPI
; __XenHypercall2 (
; IN VOID *HypercallAddr,
; IN OUT INTN Arg1,
; IN OUT INTN Arg2
; );
global ASM_PFX(__XenHypercall2)
ASM_PFX(__XenHypercall2):
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