xref: /onnv-gate/usr/src/lib/efcode/upa/upa.c (revision 0:68f95e015346)
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) 2000 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 <stdio.h>
30*0Sstevel@tonic-gate #include <string.h>
31*0Sstevel@tonic-gate #include <fcode/private.h>
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate static void
do_decode_unit(fcode_env_t * env)34*0Sstevel@tonic-gate do_decode_unit(fcode_env_t *env)
35*0Sstevel@tonic-gate {
36*0Sstevel@tonic-gate 	CHECK_DEPTH(env, 2, "upa:decode-unit");
37*0Sstevel@tonic-gate 	parse_two_int(env);
38*0Sstevel@tonic-gate 	if ((TOS & 0x1c0) == 0) {
39*0Sstevel@tonic-gate 		TOS = ((TOS << 1) | 0x1c0);
40*0Sstevel@tonic-gate 	}
41*0Sstevel@tonic-gate }
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate static void
do_encode_unit(fcode_env_t * env)44*0Sstevel@tonic-gate do_encode_unit(fcode_env_t *env)
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate 	static char buf[8];
47*0Sstevel@tonic-gate 	fstack_t hi, mid, lo;
48*0Sstevel@tonic-gate 	int dev, fn, len;
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate 	CHECK_DEPTH(env, 2, "upa:encode-unit");
51*0Sstevel@tonic-gate 	hi = POP(DS);
52*0Sstevel@tonic-gate 	lo = POP(DS);
53*0Sstevel@tonic-gate 	hi = ((hi >> 1) & 0x1f);
54*0Sstevel@tonic-gate 	sprintf(buf, "%x,%x", hi, lo);
55*0Sstevel@tonic-gate 	push_a_string(env, buf);
56*0Sstevel@tonic-gate }
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate #pragma init(_init)
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate static void
_init(void)61*0Sstevel@tonic-gate _init(void)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	fcode_env_t *env = initial_env;
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	ASSERT(env);
66*0Sstevel@tonic-gate 	NOTICE;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	create_int_prop(env, "#address-cells", 2);
69*0Sstevel@tonic-gate 	create_int_prop(env, "#size-cells", 2);
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	FORTH(0,	"decode-unit",		do_decode_unit);
72*0Sstevel@tonic-gate 	FORTH(0,	"encode-unit",		do_encode_unit);
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate }
75