1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright (c) 1994, by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate * All rights reserved.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <sys/promif.h>
30*0Sstevel@tonic-gate #include <sys/promimpl.h>
31*0Sstevel@tonic-gate
32*0Sstevel@tonic-gate /*
33*0Sstevel@tonic-gate * Allocate retained physical memory
34*0Sstevel@tonic-gate * Returns 0: Success; Non-zero: failure.
35*0Sstevel@tonic-gate * Returns *phys_hi, *phys_lo only if successful.
36*0Sstevel@tonic-gate */
37*0Sstevel@tonic-gate int
prom_retain(char * id,size_t size,u_int align,unsigned long long * physaddr)38*0Sstevel@tonic-gate prom_retain(char *id, size_t size, u_int align, unsigned long long *physaddr)
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate cell_t ci[11];
41*0Sstevel@tonic-gate int rv;
42*0Sstevel@tonic-gate ihandle_t imemory = prom_memory_ihandle();
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate if ((imemory == (ihandle_t)-1))
45*0Sstevel@tonic-gate return (-1);
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate ci[0] = p1275_ptr2cell("call-method"); /* Service name */
48*0Sstevel@tonic-gate ci[1] = (cell_t)5; /* #argument cells */
49*0Sstevel@tonic-gate ci[2] = (cell_t)3; /* #result cells */
50*0Sstevel@tonic-gate ci[3] = p1275_ptr2cell("SUNW,retain"); /* Arg1: Method name */
51*0Sstevel@tonic-gate ci[4] = p1275_ihandle2cell(imemory); /* Arg2: memory ihandle */
52*0Sstevel@tonic-gate ci[5] = p1275_uint2cell(align); /* Arg2: SA1: align */
53*0Sstevel@tonic-gate ci[6] = p1275_size2cell(size); /* Arg3: SA2: size */
54*0Sstevel@tonic-gate ci[7] = p1275_ptr2cell(id); /* Arg4: SA3: id name */
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate promif_preprom();
57*0Sstevel@tonic-gate rv = p1275_cif_handler(&ci);
58*0Sstevel@tonic-gate promif_postprom();
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate if (rv != 0)
61*0Sstevel@tonic-gate return (rv); /* Service "call-method" failed */
62*0Sstevel@tonic-gate if (ci[8] != 0) /* Res1: catch-result */
63*0Sstevel@tonic-gate return (-1); /* Method "SUNW,retain" failed */
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate *physaddr = p1275_cells2ull(ci[9], ci[10]);
66*0Sstevel@tonic-gate /* Res3: base.hi, Res4: base.lo */
67*0Sstevel@tonic-gate return (0);
68*0Sstevel@tonic-gate }
69