x64/Processor.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_X64_PROCESSOR_H
#define KERNEL_PROCESSOR_X64_PROCESSOR_H
#include "pedigree/kernel/processor/Processor.h"
#include "pedigree/kernel/processor/x86_common/Processor.h"
 
#include <config.h>
 
class X64Processor : public X86CommonProcessor {};
 
#if X64
ALWAYS_INLINE inline ProcessorInformation& ProcessorBase::information() {
  ProcessorInformation* information;
  asm volatile("movq %%gs:16, %0" : "=r"(information) : : "memory");
  return *information;
}
 
ALWAYS_INLINE inline size_t ProcessorBase::index() {
  size_t index;
  asm volatile("movq %%gs:24, %0" : "=r"(index) : : "memory");
  return index;
}
#endif
 
#endif