* ========== Copyright Header Begin ==========================================
* Hypervisor Software File: prom_mapin.c
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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* ========== Copyright Header End ============================================
* id: @(#)prom_mapin.c 1.5 00/08/08
* copyright: Copyright 1995-2000, 2003 Sun Microsystems, Inc.
* Use is subject to license terms.
#include <sys/promimpl.h>
prom_mapin(ihandle_t instance
, uint_t
*adrs
, uint_t adr_cells
, uint_t size
)
uint_t retval
, num_args
, result_cell
, i
;
num_args
= adr_cells
+ 3;
result_cell
= num_args
+ 3;
ci
[0] = p1275_ptr2cell("call-method"); /* Service name */
ci
[1] = (cell_t
)num_args
; /* #argument cells */
ci
[2] = (cell_t
)2; /* #result cells */
ci
[3] = p1275_ptr2cell("map-in"); /* Arg1: method name */
ci
[4] = p1275_ihandle2cell(instance
); /* Arg2: dev-node ihandle */
ci
[5] = p1275_int2cell(size
); /* Arg3: size */
for (i
= 0; i
< adr_cells
; i
++) {
ci
[i
+ 6] = p1275_int2cell(adrs
[i
]);
retval
= p1275_cif_handler(&ci
);
if (ci
[result_cell
] != 0) /* Res1: Catch result */
return ((void *)ci
[result_cell
+ 1]); /* Res2: virt addr */