obp/tools/promif/sun4u/prom_cpuctl.c

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: prom_cpuctl.c
*
* 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 (c) 2000-2003 Sun Microsystems, Inc.
 * All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "@(#)prom_cpuctl.c      1.1     00/07/22 SMI"

#include <sys/promif.h>
#include <sys/promimpl.h>

int
prom_idle_self(void)
{
        cell_t ci[3];

        ci[0] = p1275_ptr2cell("SUNW,idle-self");       /* Service name */
        ci[1] = (cell_t)0;                      /* #argument cells */
        ci[2] = (cell_t)0;                      /* #result cells */
        (void) p1275_cif_handler(&ci);
        return (0);
}

int
prom_resumecpu(dnode_t node)
{
        cell_t ci[4];

        ci[0] = p1275_ptr2cell("SUNW,resume-cpu");      /* Service name */
        ci[1] = (cell_t)1;                      /* #argument cells */
        ci[2] = (cell_t)0;                      /* #result cells */
        ci[3] = p1275_dnode2cell(node);         /* Arg1: nodeid to start */

        (void) p1275_cif_handler(&ci);

        return (0);
}

int
prom_stop_self(void)
{
        cell_t ci[3];

        ci[0] = p1275_ptr2cell("SUNW,stop-self");       /* Service name */
        ci[1] = (cell_t)0;                      /* #argument cells */
        ci[2] = (cell_t)0;                      /* #result cells */
        (void) p1275_cif_handler(&ci);
        return (0);
}

int
prom_startcpu(dnode_t node, caddr_t pc, int32_t arg)
{
        cell_t ci[6];

        ci[0] = p1275_ptr2cell("SUNW,start-cpu");       /* Service name */
        ci[1] = (cell_t)3;                      /* #argument cells */
        ci[2] = (cell_t)0;                      /* #result cells */
        ci[3] = p1275_dnode2cell(node);         /* Arg1: nodeid to start */
        ci[4] = p1275_ptr2cell(pc);             /* Arg2: pc */
        ci[5] = p1275_int2cell(arg);            /* Arg3: cpuid */

        (void) p1275_cif_handler(&ci);

        return (0);
}