diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/asm/ASMGetIDTR.asm | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/asm/ASMGetIDTR.asm b/src/VBox/Runtime/common/asm/ASMGetIDTR.asm new file mode 100644 index 00000000..276222bd --- /dev/null +++ b/src/VBox/Runtime/common/asm/ASMGetIDTR.asm @@ -0,0 +1,52 @@ +; $Id: ASMGetIDTR.asm $ +;; @file +; IPRT - ASMGetIDTR(). +; + +; +; Copyright (C) 2006-2019 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 * +;******************************************************************************* +%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] +; +BEGINPROC_EXPORTED 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 + |