Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / 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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* may be used to endorse or promote products derived from this software 
* without specific prior written permission. 
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*     This software is provided "AS IS," without a warranty of any kind. 
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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);
}