AuroraRuntime/Source/HWInfo/CpuInfo.BSD.cpp

/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: CpuId.BSD.cpp
    Date: 2022-1-25
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "HWInfo.hpp"
#include "CpuInfo.hpp"
#include "CpuInfo.BSD.hpp"

#if defined(AURORA_IS_BSD_DERIVED)
    #include <sys/types.h>
    #include <sys/sysctl.h>
#endif

#if defined(AURORA_IS_POSIX_DERIVED)
    #include <stdlib.h>
    #include <sys/sysinfo.h>
#endif

namespace Aurora::HWInfo
{
    void SetCpuTopologyBSD()
    {
        auto opt = QueryBsdHwStat(HW_AVAILCPU);
        if (opt.value_or(0) < 1)
        {
            opt = QueryBsdHwStat(HW_NCPU);
        }

        gCpuInfo.uSocket  = 1;
        gCpuInfo.uCores   = 1;
        gCpuInfo.uThreads = opt.value_or(1);

        // TODO: parse sysctl kern.sched.topology_spec
        gCpuInfo.bMaskMTHalf = true;
    }
}