summaryrefslogtreecommitdiffstats
path: root/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-RegCtxSetGpr.c
blob: 1411ee767943bf46d426bde3d28ca39cd721c7a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/* $Id: bs3-cmn-RegCtxSetGpr.c $ */
/** @file
 * BS3Kit - Bs3RegCtxSetGpr
 */

/*
 * Copyright (C) 2007-2023 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                                                                                                                 *
*********************************************************************************************************************************/
#include "bs3kit-template-header.h"


#undef Bs3RegCtxSetGpr
BS3_CMN_DEF(bool, Bs3RegCtxSetGpr,(PBS3REGCTX pRegCtx, uint8_t iGpr, uint64_t uValue, uint8_t cb))
{
    if (iGpr < 16)
    {
        PBS3REG pGpr = &pRegCtx->rax + iGpr;
        switch (cb)
        {
            case 1: pGpr->u8  = (uint8_t)uValue; break;
            case 2: pGpr->u16 = (uint16_t)uValue; break;
            case 4: pGpr->u32 = (uint32_t)uValue; break;
            case 8: pGpr->u64 = uValue; break;
            default:
                BS3_ASSERT(false);
                return false;
        }
        return true;
    }
    return false;
}