obp/tools/promif/common/prom_interp.c

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: prom_interp.c
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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*    or without modification, are permitted provided that the following
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*    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
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* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
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* ========== Copyright Header End ============================================
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/*
 * Copyright (c) 2000-2003 Sun Microsystems, Inc.
 * All rights reserved.
 * Use is subject to license terms.
 */

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

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

void
prom_interpret(char *string, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
    uintptr_t arg4, uintptr_t arg5)
{
        cell_t ci[9];

        /*
         * We simply promote arguments treating them as unsigned integers;
         * thus pointers will be properly promoted and negative signed
         * integer value will not be properly promoted. Note that we
         * also assume that the arguments are not to be sign extended.
         *
         * XXX: This is not fully capable via this interface.  Use
         * p1275_cif_handler directly for all features.  Specifically,
         * there's no catch_result and no result cells available via this
         * interface. This interface is provided for compatibilty with
         * existing code.
         */

        ci[0] = p1275_ptr2cell("interpret");    /* Service name */
        ci[1] = (cell_t)6;                      /* #argument cells */
        ci[2] = (cell_t)0;                      /* #return cells */
        ci[3] = p1275_ptr2cell(string);         /* Arg1: Interpreted string */
        ci[4] = p1275_uintptr2cell(arg1);       /* Arg2: stack arg 1 */
        ci[5] = p1275_uintptr2cell(arg2);       /* Arg3: stack arg 2 */
        ci[6] = p1275_uintptr2cell(arg3);       /* Arg4: stack arg 3 */
        ci[7] = p1275_uintptr2cell(arg4);       /* Arg5: stack arg 4 */
        ci[8] = p1275_uintptr2cell(arg5);       /* Arg6: stack arg 5 */

        (void) p1275_cif_handler(&ci);
}