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Annotation of XNU/pexpert/i386/pe_misc.s, revision 1.1.1.1

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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