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-rw-r--r--src/VBox/Runtime/common/asm/ASMFxSave.asm74
1 files changed, 74 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/asm/ASMFxSave.asm b/src/VBox/Runtime/common/asm/ASMFxSave.asm
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+; $Id: ASMFxSave.asm $
+;; @file
+; IPRT - ASMFxSave().
+;
+
+;
+; Copyright (C) 2006-2022 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.
+;
+; You may elect to license modified versions of this file under the
+; terms and conditions of either the GPL or the CDDL or both.
+;
+; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+;
+
+;*******************************************************************************
+;* Header Files *
+;*******************************************************************************
+%define RT_ASM_WITH_SEH64
+%include "iprt/asmdefs.mac"
+
+BEGINCODE
+
+;;
+; Saves extended CPU state.
+; @param pFxState Pointer to the XSAVE state area.
+; msc=rcx, gcc=rdi, x86=[esp+4]
+;
+RT_BEGINPROC ASMFxSave
+SEH64_END_PROLOGUE
+%ifdef ASM_CALL64_MSC
+ o64 fxsave [rcx]
+%elifdef ASM_CALL64_GCC
+ o64 fxsave [rdi]
+%elif ARCH_BITS == 32
+ mov ecx, [esp + 4]
+ fxsave [ecx]
+%elif ARCH_BITS == 16
+ push bp
+ mov bp, sp
+ push es
+ push bx
+ les bx, [bp + 4]
+ fxsave [es:bx]
+ pop bx
+ pop es
+ pop bp
+%else
+ %error "Undefined arch?"
+%endif
+ ret
+ENDPROC ASMFxSave
+