; $Id: ASMGetIDTR.asm 106061 2024-09-16 14:03:52Z vboxsync $
;; @file
; IPRT - ASMGetIDTR().
;

;
; Copyright (C) 2006-2024 Oracle and/or its affiliates.
;
; This file is part of VirtualBox base platform packages, as
; available from https://www.virtualbox.org.
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation, in version 3 of the
; License.
;
; This program is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
; General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, see <https://www.gnu.org/licenses>.
;
; The contents of this file may alternatively be used under the terms
; of the Common Development and Distribution License Version 1.0
; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
; in the VirtualBox distribution, in which case the provisions of the
; CDDL are applicable instead of those of the GPL.
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; You may elect to license modified versions of this file under the
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; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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;*******************************************************************************
;* Header Files                                                                *
;*******************************************************************************
%include "iprt/asmdefs.mac"

BEGINCODE

;;
; Gets the content of the IDTR CPU register.
; @param    pIdtr   Where to store the IDTR contents.
;                   msc=rcx, gcc=rdi, x86=[esp+4]
;
RT_BEGINPROC ASMGetIDTR
%ifdef ASM_CALL64_MSC
        mov     rax, rcx
%elifdef ASM_CALL64_GCC
        mov     rax, rdi
%elifdef RT_ARCH_X86
        mov     eax, [esp + 4]
%else
 %error "Undefined arch?"
%endif
        sidt    [xAX]
        ret
ENDPROC ASMGetIDTR