VirtualBox

source: vbox/trunk/include/iprt/asm-mem-watcom-x86-32.h@ 103224

Last change on this file since 103224 was 103014, checked in by vboxsync, 9 months ago

iprt/asm-mem.h: Eliminated the ASMMemZeroPage function, replaced the three actual uses in PGMPool with RT_BZERO/PAGE_SIZE.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.6 KB
Line 
1/** @file
2 * IPRT - Assembly Memory Functions, x86 32-bit Watcom C/C++ pragma aux.
3 */
4
5/*
6 * Copyright (C) 2006-2024 Oracle and/or its affiliates.
7 *
8 * This file is part of VirtualBox base platform packages, as
9 * available from https://www.virtualbox.org.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation, in version 3 of the
14 * License.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, see <https://www.gnu.org/licenses>.
23 *
24 * The contents of this file may alternatively be used under the terms
25 * of the Common Development and Distribution License Version 1.0
26 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27 * in the VirtualBox distribution, in which case the provisions of the
28 * CDDL are applicable instead of those of the GPL.
29 *
30 * You may elect to license modified versions of this file under the
31 * terms and conditions of either the GPL or the CDDL or both.
32 *
33 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34 */
35
36#ifndef IPRT_INCLUDED_asm_mem_watcom_x86_32_h
37#define IPRT_INCLUDED_asm_mem_watcom_x86_32_h
38/* no pragma once */
39
40#ifndef IPRT_INCLUDED_asm_mem_h
41# error "Don't include this header directly."
42#endif
43
44#ifndef __FLAT__
45# error "Only works with flat pointers! (-mf)"
46#endif
47
48/*
49 * Note! The #undef that preceds the #pragma aux statements is for undoing
50 * the mangling, because the symbol in #pragma aux [symbol] statements
51 * doesn't get subjected to preprocessing. This is also why we include
52 * the watcom header at both the top and the bottom of asm.h file.
53 */
54
55#undef ASMMemZero32
56#ifdef IPRT_ASM_WATCOM_X86_32_WITH_PRAGMAS
57#pragma aux ASMMemZero32 = \
58 "shr ecx, 2" \
59 "xor eax, eax" \
60 "rep stosd" \
61 parm [edi] [ecx] \
62 modify exact [eax ecx edi];
63#endif
64
65#undef ASMMemFill32
66#ifdef IPRT_ASM_WATCOM_X86_32_WITH_PRAGMAS
67#pragma aux ASMMemFill32 = \
68 "shr ecx, 2" \
69 "rep stosd" \
70 parm [edi] [ecx] [eax]\
71 modify exact [ecx edi];
72#endif
73
74#undef ASMProbeReadByte
75#ifdef IPRT_ASM_WATCOM_X86_32_WITH_PRAGMAS
76#pragma aux ASMProbeReadByte = \
77 "mov al, [ecx]" \
78 parm [ecx] \
79 value [al] \
80 modify exact [al];
81#endif
82
83#endif /* !IPRT_INCLUDED_asm_mem_watcom_x86_32_h */
84
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette