VirtualBox

source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-basic-3-cmn-template.c@ 103131

Last change on this file since 103131 was 102182, checked in by vboxsync, 11 months ago

ValKit/bs3-cpu-basic-3: Move the 64-bit lea tests to the high DLL where we don't have such tight code size constraints. bugref:10371

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  • Property svn:keywords set to Author Date Id Revision
File size: 2.8 KB
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1/* $Id: bs3-cpu-basic-3-cmn-template.c 102182 2023-11-21 09:46:33Z vboxsync $ */
2/** @file
3 * BS3Kit - bs3-cpu-basic-3, C code template, common code (CMN).
4 */
5
6/*
7 * Copyright (C) 2007-2023 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/*********************************************************************************************************************************
39* Assembly Symbols *
40*********************************************************************************************************************************/
41#if ARCH_BITS != 64
42extern BS3_DECL_FAR(void) BS3_CMN_FAR_NM(bs3CpuBasic3_lea_16)(void);
43extern BS3_DECL_FAR(void) BS3_CMN_FAR_NM(bs3CpuBasic3_lea_32)(void);
44#else
45extern BS3_DECL_FAR(void) BS3_CMN_FAR_NM(bs3CpuBasic3_lea_64)(void);
46#endif
47
48
49
50BS3_DECL_FAR(uint8_t) BS3_CMN_NM(bs3CpuBasic3_Lea)(uint8_t bMode)
51{
52 /* Repeat the test so the native recompiler get a chance to kick in... */
53 unsigned i;
54 RT_NOREF(bMode);
55
56#if ARCH_BITS != 64
57 {
58 FPFNBS3FAR pfnWorker16 = Bs3SelLnkCodePtrToCurPtr(BS3_CMN_FAR_NM(bs3CpuBasic3_lea_16));
59 for (i = 0; i < 64; i++)
60 pfnWorker16();
61 }
62 {
63 FPFNBS3FAR pfnWorker32 = Bs3SelLnkCodePtrToCurPtr(BS3_CMN_FAR_NM(bs3CpuBasic3_lea_32));
64 for (i = 0; i < 64; i++)
65 pfnWorker32();
66 }
67#else
68 {
69 /* The worker for this is in the high DLL, so have to get the address. */
70 extern FPFNBS3FAR BS3_CMN_NM(g_pfnbs3CpuBasic3_lea_64);
71 for (i = 0; i < 64; i++)
72 BS3_CMN_NM(g_pfnbs3CpuBasic3_lea_64)();
73 }
74#endif
75 return 0;
76}
77
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