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/Atomic.h"
#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/processor/types.h"
 
#include <config.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, uint32_t base)
        : apicId(apicid), address(Address), gsiBase(base) {}
 
    uint8_t apicId;
    physical_uintptr_t address;
    uint32_t gsiBase;
  };
 
  static size_t initialise1() INITIALISATION_ONLY;
  static void initialise2() INITIALISATION_ONLY;
 
 private:
  static void applicationProcessorStartup() NORETURN;
 
  static Atomic<bool> m_ProcessorStarted INITIALISATION_ONLY_DATA;
  static Spinlock m_ProcessorLock2 INITIALISATION_ONLY_DATA;
};
 
#endif