[96814] | 1 | /* $Id: RTLogWriteVmm-amd64-x86.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
|
---|
| 2 | /** @file
|
---|
| 3 | * IPRT - RTLogWriteVmm - AMD64 & X86 for VBox, inline GCC version for drivers.
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | /*
|
---|
[98103] | 7 | * Copyright (C) 2022-2023 Oracle and/or its affiliates.
|
---|
[96814] | 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 | * Header Files *
|
---|
| 40 | *********************************************************************************************************************************/
|
---|
| 41 | #include <iprt/log.h>
|
---|
| 42 | #include "internal/iprt.h"
|
---|
| 43 |
|
---|
| 44 | #include <VBox/vmm/cpuidcall.h>
|
---|
| 45 |
|
---|
| 46 |
|
---|
| 47 | RTDECL(void) RTLogWriteVmm(const char *pach, size_t cb, bool fRelease)
|
---|
| 48 | {
|
---|
| 49 | RTCCUINTREG uEAX, uEBX, uECX, uEDX, uESI;
|
---|
[96817] | 50 | #if (defined(PIC) || defined(__PIC__)) && defined(__i386__)
|
---|
[96814] | 51 | __asm__ __volatile__ ("xchgl %%ebx, %1\n\t"
|
---|
| 52 | "cpuid\n\t"
|
---|
| 53 | "xchgl %%ebx, %1\n\t"
|
---|
| 54 | : "=a" (uEAX)
|
---|
| 55 | , "=r" (uEBX)
|
---|
| 56 | , "=c" (uECX)
|
---|
| 57 | , "=d" (uEDX)
|
---|
| 58 | , "=S" (uESI)
|
---|
| 59 | : "0" (VBOX_CPUID_REQ_EAX_FIXED)
|
---|
| 60 | , "1" ((uint32_t)fRelease)
|
---|
| 61 | , "2" (VBOX_CPUID_REQ_ECX_FIXED | VBOX_CPUID_FN_LOG)
|
---|
| 62 | , "3" (cb)
|
---|
| 63 | , "4" (pach));
|
---|
[96817] | 64 | #else
|
---|
| 65 | __asm__ __volatile__ ("cpuid\n\t"
|
---|
| 66 | : "=a" (uEAX)
|
---|
| 67 | , "=b" (uEBX)
|
---|
| 68 | , "=c" (uECX)
|
---|
| 69 | , "=d" (uEDX)
|
---|
| 70 | , "=S" (uESI)
|
---|
| 71 | : "0" (VBOX_CPUID_REQ_EAX_FIXED)
|
---|
| 72 | , "1" ((uint32_t)fRelease)
|
---|
| 73 | , "2" (VBOX_CPUID_REQ_ECX_FIXED | VBOX_CPUID_FN_LOG)
|
---|
| 74 | , "3" (cb)
|
---|
| 75 | , "4" (pach));
|
---|
| 76 | #endif
|
---|
[96814] | 77 | }
|
---|
| 78 | RT_EXPORT_SYMBOL(RTLogWriteVmm);
|
---|
| 79 |
|
---|