; $Id$

;; @file

; IPRT - ASMXRstor().

;

;

; Copyright (C) 2006-2015 Oracle Corporation

;

; This file is part of VirtualBox Open Source Edition (OSE), as

; available from http://www.virtualbox.org. This file is free software;

; you can redistribute it and/or modify it under the terms of the GNU

; General Public License (GPL) as published by the Free Software

; Foundation, in version 2 as it comes in the "COPYING" file of the

; VirtualBox OSE distribution. VirtualBox OSE is distributed in the

; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

;

; The contents of this file may alternatively be used under the terms

; of the Common Development and Distribution License Version 1.0

; (CDDL) only, as it comes in the "COPYING.CDDL" file of the

; VirtualBox OSE distribution, in which case the provisions of the

; CDDL are applicable instead of those of the GPL.

;

; You may elect to license modified versions of this file under the

; terms and conditions of either the GPL or the CDDL or both.

;

;*******************************************************************************

;* Header Files *

;*******************************************************************************

%define RT_ASM_WITH_SEH64

%include "iprt/asmdefs.mac"

BEGINCODE

;;

; Loads extended CPU state.

; @param pXStateArea Pointer to the XRSTOR state area.

; msc=rcx, gcc=rdi, x86=[esp+4]

; @param fMask The 64-bit state component mask.

; msc=rdx, gcc=rsi, x86=[esp+8]

;

BEGINPROC_EXPORTED ASMXRstor

SEH64_END_PROLOGUE

%ifdef ASM_CALL64_MSC

mov rdx, rdx

shr rdx, 32

mov eax, edx

xrstor [rcx]

%elifdef ASM_CALL64_GCC

mov rdx, rsi

shr rdx, 32

mov eax, esi

xrstor [rdi]

%elifdef RT_ARCH_X86

mov ecx, [esp + 4]

mov eax, [esp + 8]

mov edx, [esp + 12]

xrstor [ecx]

%else

%error "Undefined arch?"

%endif

ret

ENDPROC ASMXRstor