Multiprocessor.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef KERNEL_PROCESSOR_X86_COMMON_MULTIPROCESSOR_H
#define KERNEL_PROCESSOR_X86_COMMON_MULTIPROCESSOR_H

#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/processor/types.h"

class Spinlock;

class Multiprocessor
{
  public:
    struct ProcessorInformation
    {
        inline ProcessorInformation(uint8_t processorid, uint8_t apicid)
            : processorId(processorid), apicId(apicid)
        {
        }

        uint8_t processorId;
        uint8_t apicId;
    };

    struct IoApicInformation
    {
        inline IoApicInformation(uint8_t apicid, physical_uintptr_t Address)
            : apicId(apicid), address(Address)
        {
        }

        uint8_t apicId;
        physical_uintptr_t address;
    };

    static size_t initialise1() INITIALISATION_ONLY;
    static void initialise2() INITIALISATION_ONLY;

  private:
    static void applicationProcessorStartup() NORETURN;

    static Spinlock m_ProcessorLock1 INITIALISATION_ONLY_DATA;
    static Spinlock m_ProcessorLock2 INITIALISATION_ONLY_DATA;
};

#endif