Bios.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 BIOS_H
#define BIOS_H

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

class EXPORTED_PUBLIC Bios
{
  public:
    static Bios &instance()
    {
        return m_Instance;
    }

    void executeInterrupt(int interrupt);

    uintptr_t malloc(int n);

    void free(uintptr_t)
    {
    }

    void setAx(int n);
    void setBx(int n);
    void setCx(int n);
    void setDx(int n);
    void setDi(int n);
    void setEs(int n);

    int getAx();
    int getBx();
    int getCx();
    int getDx();
    int getDi();
    int getEs();

  private:
    Bios();
    ~Bios();

    uintptr_t mallocLoc;

    static Bios m_Instance;
};

#endif