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

    File: CpuBitId.NT.hpp
    Date: 2022-3-16
    Author: Reece
***/
#pragma once

namespace Aurora::HWInfo
{
    AuList<unsigned long> CpuBitId::ToCpuSets() const
    {
        AuList<unsigned long> ret;

        AuUInt8 index {};
        while (CpuBitScanForward(index, index))
        {
            unsigned long logicalProcessorIndex = index % 64;
            unsigned long groupIndex = index / 64;
            ret.push_back(((groupIndex + 1ull) * 0x100ull) + logicalProcessorIndex);
            index++;
        }

        return ret;
    }

    void CpuBitId::ToMsWin7GroupAffinity(void *ptr) const
    {
        auto &logicalProcessorQWord = *AuReinterpretCast<AuUInt64 *>(ptr);
        auto &groupIndexU16 = *AuReinterpretCast<AuUInt16 *>(AuReinterpretCast<AuUInt8 *>(ptr) + 8);

        AuUInt8 index {};
        while (CpuBitScanForward(index, index))
        { 
            AuUInt64 logicalProcessorIndex = index % 64;
            AuUInt64 groupIndex = index / 64;

            logicalProcessorQWord |= 1ull << logicalProcessorIndex;
            groupIndexU16 = AuUInt16(groupIndex);
            index++;
        }
    }
}