LXR darwin-xnu/pexpert/i386/pe

   1/*
   2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3 *
   4 * @APPLE_LICENSE_HEADER_START@
   5 * 
   6 * The contents of this file constitute Original Code as defined in and
   7 * are subject to the Apple Public Source License Version 1.1 (the
   8 * "License").  You may not use this file except in compliance with the
   9 * License.  Please obtain a copy of the License at
  10 * http://www.apple.com/publicsource and read it before using this file.
  11 * 
  12 * This Original Code and all software distributed under the License are
  13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17 * License for the specific language governing rights and limitations
  18 * under the License.
  19 * 
  20 * @APPLE_LICENSE_HEADER_END@
  21 */
  22#include <mach/i386/asm.h>
  23
  24/*
  25**      PE_get_timebase()
  26**
  27**      Entry   - %esp contains pointer to 64 bit structure.
  28**
  29**      Exit    - 64 bit structure filled in.
  30**
  31*/
  32ENTRY(PE_get_timebase)
  33
  34        movl    S_ARG0, %ecx
  35
  36        rdtsc
  37
  38        movl    %edx, 0(%ecx)
  39        movl    %eax, 4(%ecx)
  40
  41        ret
  42
  43