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Annotation of XNU/pexpert/i386/pe_misc.s, revision 1.1

1.1     ! root        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: */
        !            32: ENTRY(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: 

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