hypervisor/src/sample/subr.s

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: subr.s
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
*  - Do no alter or remove copyright notices
*
*  - Redistribution and use of this software in source and binary forms, with
*    or without modification, are permitted provided that the following
*    conditions are met:
*
*  - Redistribution of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistribution in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
*    Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*     This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or maintenance of
* any nuclear facility.
*
* ========== Copyright Header End ============================================
*/
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

        .ident  "@(#)subr.s     1.4     03/11/10 SMI"

        .file   "subr.s"

#include <sys/asm_linkage.h>
#include <sys/privregs.h>
#include <sys/stack.h>

#if defined(lint)
/* ARGSUSED */
int
gettl(void)
{
        return 0;
}
#else
        ENTRY(gettl)
        retl
        rdpr    %tl, %o0
        SET_SIZE(gettl)
#endif

#if defined(lint)
/* ARGSUSED */
void *
getfp(void)
{
        return 0;
}
#else
        ENTRY(getfp)
        retl
        mov     %fp, %o0
        SET_SIZE(getfp)
#endif

#if defined(lint)
/* ARGSUSED */
void *
getsp(void)
{
        return 0;
}
#else
        ENTRY(getsp)
        retl
        mov     %sp, %o0
        SET_SIZE(getsp)
#endif

#if defined(lint)
/* ARGSUSED */
int
getcwp(void)
{
        return 0;
}
#else
        ENTRY(getcwp)
        retl
        rdpr    %cwp, %o0
        SET_SIZE(getcwp)
#endif

#if defined(lint)
/* ARGSUSED */
int
getcansave(void)
{
        return 0;
}
#else

        ENTRY(getcansave)
        retl
        rdpr    %cansave, %o0
        SET_SIZE(getcansave)
#endif

#if defined(lint)
/* ARGSUSED */
void flushw(void) {}
#else

        ENTRY(flushw)
        save    %g0, %g0, %g0
        flushw
        ret
        restore
        SET_SIZE(flushw)
#endif