usr/src/lib/libcpc/i386/getcpuid.s

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <sys/asm_linkage.h>
  30
  31 #if defined(lint)
  32
  33 #include <sys/types.h>
  34 #include <sys/inttypes.h>
  35
  36 #include "getcpuid.h"
  37
  38 /*ARGSUSED*/
  39 uint32_t
  40 cpc_getcpuid(uint32_t eax, uint32_t *ebxp, uint32_t *ecxp, uint32_t *edxp)
  41 { return (0); }
  42
  43 #else   /* lint */
  44
  45         ENTRY(cpc_getcpuid)
  46         pushl   %ebp
  47         movl    %esp, %ebp
  48         pushl   %ebx
  49         movl    8(%ebp), %eax
  50         cpuid
  51         pushl   %eax
  52         movl    0xc(%ebp), %eax
  53         movl    %ebx, (%eax)
  54         movl    0x10(%ebp), %eax
  55         movl    %ecx, (%eax)
  56         movl    0x14(%ebp), %eax
  57         movl    %edx, (%eax)
  58         popl    %eax
  59         popl    %ebx
  60         popl    %ebp
  61         ret
  62         SET_SIZE(cpc_getcpuid)
  63
  64 #endif  /* lint */