1 /*-
2 * Copyright (c) 2001 Benno Rice
3 * All rights reserved.
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 *
14 * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 #include <sys/param.h>
29 #include <sys/types.h>
30
31 #include <stand.h>
32
33 #include "libofw.h"
34 #include "openfirm.h"
35
36 struct ofw_mapping {
37 vm_offset_t va;
38 int len;
39 vm_offset_t pa;
40 int mode;
41 };
42
43 struct ofw_mapping2 {
44 vm_offset_t va;
45 int len;
46 vm_offset_t pa_hi;
47 vm_offset_t pa_lo;
48 int mode;
49 };
50
51 void
ofw_memmap(int acells)52 ofw_memmap(int acells)
53 {
54 struct ofw_mapping *mapptr;
55 struct ofw_mapping2 *mapptr2;
56 phandle_t mmup;
57 int nmapping, i;
58 u_char mappings[256 * sizeof(struct ofw_mapping2)];
59 char lbuf[80];
60
61 mmup = OF_instance_to_package(mmu);
62
63 bzero(mappings, sizeof(mappings));
64
65 nmapping = OF_getprop(mmup, "translations", mappings, sizeof(mappings));
66 if (nmapping == -1) {
67 printf("Could not get memory map (%d)\n",
68 nmapping);
69 return;
70 }
71
72 pager_open();
73 if (acells == 1) {
74 nmapping /= sizeof(struct ofw_mapping);
75 mapptr = (struct ofw_mapping *) mappings;
76
77 printf("%17s\t%17s\t%8s\t%6s\n", "Virtual Range",
78 "Physical Range", "#Pages", "Mode");
79
80 for (i = 0; i < nmapping; i++) {
81 sprintf(lbuf, "%08jx-%08jx\t%08jx-%08jx\t%8d\t%6x\n",
82 (uintmax_t)mapptr[i].va,
83 (uintmax_t)mapptr[i].va + mapptr[i].len,
84 (uintmax_t)mapptr[i].pa,
85 (uintmax_t)mapptr[i].pa + mapptr[i].len,
86 mapptr[i].len / 0x1000,
87 mapptr[i].mode);
88 if (pager_output(lbuf))
89 break;
90 }
91 } else {
92 nmapping /= sizeof(struct ofw_mapping2);
93 mapptr2 = (struct ofw_mapping2 *) mappings;
94
95 printf("%17s\t%17s\t%8s\t%6s\n", "Virtual Range",
96 "Physical Range", "#Pages", "Mode");
97
98 for (i = 0; i < nmapping; i++) {
99 sprintf(lbuf, "%08jx-%08jx\t%08jx-%08jx\t%8d\t%6x\n",
100 (uintmax_t)mapptr2[i].va,
101 (uintmax_t)mapptr2[i].va + mapptr2[i].len,
102 (uintmax_t)mapptr2[i].pa_lo,
103 (uintmax_t)mapptr2[i].pa_lo + mapptr2[i].len,
104 mapptr2[i].len / 0x1000,
105 mapptr2[i].mode);
106 if (pager_output(lbuf))
107 break;
108 }
109 }
110 pager_close();
111 }
112
113