VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/asm/ASMFxRstor.asm@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.2 KB
Line 
1; $Id: ASMFxRstor.asm 98103 2023-01-17 14:15:46Z vboxsync $
2;; @file
3; IPRT - ASMFxRstor().
4;
5
6;
7; Copyright (C) 2006-2023 Oracle and/or its affiliates.
8;
9; This file is part of VirtualBox base platform packages, as
10; available from https://www.virtualbox.org.
11;
12; This program is free software; you can redistribute it and/or
13; modify it under the terms of the GNU General Public License
14; as published by the Free Software Foundation, in version 3 of the
15; License.
16;
17; This program is distributed in the hope that it will be useful, but
18; WITHOUT ANY WARRANTY; without even the implied warranty of
19; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20; General Public License for more details.
21;
22; You should have received a copy of the GNU General Public License
23; along with this program; if not, see <https://www.gnu.org/licenses>.
24;
25; The contents of this file may alternatively be used under the terms
26; of the Common Development and Distribution License Version 1.0
27; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28; in the VirtualBox distribution, in which case the provisions of the
29; CDDL are applicable instead of those of the GPL.
30;
31; You may elect to license modified versions of this file under the
32; terms and conditions of either the GPL or the CDDL or both.
33;
34; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35;
36
37;*******************************************************************************
38;* Header Files *
39;*******************************************************************************
40%define RT_ASM_WITH_SEH64
41%include "iprt/asmdefs.mac"
42
43BEGINCODE
44
45;;
46; Loads extended CPU state.
47; @param pFxState Pointer to the FXRSTOR state area.
48; msc=rcx, gcc=rdi, x86=[esp+4]
49;
50RT_BEGINPROC ASMFxRstor
51SEH64_END_PROLOGUE
52%ifdef ASM_CALL64_MSC
53 o64 fxrstor [rcx]
54%elifdef ASM_CALL64_GCC
55 o64 fxrstor [rdi]
56%elif ARCH_BITS == 32
57 mov ecx, [esp + 4]
58 fxrstor [ecx]
59%elif ARCH_BITS == 16
60 push bp
61 mov bp, sp
62 push es
63 push bx
64 les bx, [bp + 4]
65 fxrstor [es:bx]
66 pop bx
67 pop es
68 pop bp
69%else
70 %error "Undefined arch?"
71%endif
72 ret
73ENDPROC ASMFxRstor
74
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