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# INTN
# EFIAPI
# XenHypercall2 (
# IN VOID *HypercallAddr,
# IN OUT INTN Arg1,
# IN OUT INTN Arg2
# );
ASM_GLOBAL ASM_PFX(XenHypercall2)
ASM_PFX(XenHypercall2):
# Save only ebx, ecx is supposed to be a scratch register and needs to be
# saved by the caller
push %ebx
# Copy HypercallAddr to eax
mov 8(%esp), %eax
# Copy Arg1 to the register expected by Xen
mov 12(%esp), %ebx
# Copy Arg2 to the register expected by Xen
mov 16(%esp), %ecx
# Call HypercallAddr
call *%eax
pop %ebx
ret
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