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DEFINITIONS
This source file includes following definitions.
- ltrace_on
- ltrace_off
- ltrace_debug
- ltrace_dump
- config_ltrace
1 /*
2 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
3 * The President and Fellows of Harvard College.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <types.h>
31 #include <lib.h>
32 #include <platform/bus.h>
33 #include <lamebus/ltrace.h>
34 #include "autoconf.h"
35
36 /* Registers (offsets within slot) */
37 #define LTRACE_REG_TRON 0
38 #define LTRACE_REG_TROFF 4
39 #define LTRACE_REG_DEBUG 8
40 #define LTRACE_REG_DUMP 12
41
42 static struct ltrace_softc *the_trace;
43
44 void
45 ltrace_on(uint32_t code)
46 {
47 if (the_trace != NULL) {
48 bus_write_register(the_trace->lt_busdata, the_trace->lt_buspos,
49 LTRACE_REG_TRON, code);
50 }
51 }
52
53 void
54 ltrace_off(uint32_t code)
55 {
56 if (the_trace != NULL) {
57 bus_write_register(the_trace->lt_busdata, the_trace->lt_buspos,
58 LTRACE_REG_TROFF, code);
59 }
60 }
61
62 void
63 ltrace_debug(uint32_t code)
64 {
65 if (the_trace != NULL) {
66 bus_write_register(the_trace->lt_busdata, the_trace->lt_buspos,
67 LTRACE_REG_DEBUG, code);
68 }
69 }
70
71 void
72 ltrace_dump(uint32_t code)
73 {
74 if (the_trace != NULL) {
75 bus_write_register(the_trace->lt_busdata, the_trace->lt_buspos,
76 LTRACE_REG_DUMP, code);
77 }
78 }
79
80 int
81 config_ltrace(struct ltrace_softc *sc, int ltraceno)
82 {
83 (void)ltraceno;
84 the_trace = sc;
85 return 0;
86 }