| 1 | /* $Id: RTMpGetDescription-generic.cpp 87205 2021-01-08 16:55:19Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Multiprocessor, RTMpGetDescription for darwin/arm.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009-2021 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/mp.h>
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| 32 | #include "internal/iprt.h"
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| 33 | #include <iprt/err.h>
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| 34 | #include <iprt/string.h>
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| 35 |
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| 36 | #include <sys/sysctl.h>
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| 37 |
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| 38 |
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| 39 | RTDECL(int) RTMpGetDescription(RTCPUID idCpu, char *pszBuf, size_t cbBuf)
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| 40 | {
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| 41 | /*
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| 42 | * Check that the specified cpu is valid & online.
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| 43 | */
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| 44 | if (idCpu != NIL_RTCPUID && !RTMpIsCpuOnline(idCpu))
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| 45 | return RTMpIsCpuPossible(idCpu)
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| 46 | ? VERR_CPU_OFFLINE
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| 47 | : VERR_CPU_NOT_FOUND;
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| 48 |
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| 49 | /*
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| 50 | * Just use the sysctl machdep.cpu.brand_string value for now.
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| 51 | */
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| 52 | /** @todo on arm this is very boring, so we could use the cpufamily and
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| 53 | * cpusubfamily instead... */
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| 54 | char szBrand[128] = {0};
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| 55 | size_t cb = sizeof(szBrand);
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| 56 | int rc = sysctlbyname("machdep.cpu.brand_string", &szBrand, &cb, NULL, 0);
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| 57 | if (rc == -1)
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| 58 | szBrand[0] = '\0';
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| 59 |
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| 60 | char *pszStripped = RTStrStrip(szBrand);
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| 61 | if (*pszStripped)
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| 62 | return RTStrCopy(pszBuf, cbBuf, pszStripped);
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| 63 | return RTStrCopy(pszBuf, cbBuf, "Unknown");
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| 64 | }
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| 65 | RT_EXPORT_SYMBOL(RTMpGetDescription);
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| 66 |
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