diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/asm/ASMAtomicUoAndU32.asm | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/asm/ASMAtomicUoAndU32.asm b/src/VBox/Runtime/common/asm/ASMAtomicUoAndU32.asm new file mode 100644 index 00000000..04d75a83 --- /dev/null +++ b/src/VBox/Runtime/common/asm/ASMAtomicUoAndU32.asm @@ -0,0 +1,56 @@ +; $Id: ASMAtomicUoAndU32.asm $ +;; @file +; IPRT - ASMAtomicUoAndU32(). +; + +; +; Copyright (C) 2013-2019 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 + +;; +; Atomically OR an unsigned 32-bit value, unordered. +; +; @param pu32 x86:esp+4 gcc:rdi msc:rcx +; @param u32Or x86:esp+8 gcc:rsi msc:rdx +; +; @returns void +; +BEGINPROC_EXPORTED ASMAtomicUoAndU32 +%ifdef RT_ARCH_AMD64 + %ifdef ASM_CALL64_MSC + and [rcx], edx + %else + and [rdi], esi + %endif +%elifdef RT_ARCH_X86 + mov ecx, [esp + 04h] + mov edx, [esp + 08h] + and [ecx], edx +%endif + ret +ENDPROC ASMAtomicUoAndU32 + |