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 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/types.h>
32
33 #include <stand.h>
34
35 #include "libofw.h"
36 #include "openfirm.h"
37
38 struct ofw_mapping {
39 vm_offset_t va;
40 int len;
41 vm_offset_t pa;
42 int mode;
43 };
44
45 struct ofw_mapping2 {
46 vm_offset_t va;
47 int len;
48 vm_offset_t pa_hi;
49 vm_offset_t pa_lo;
50 int mode;
51 };
52
53 void
ofw_memmap(int acells)54 ofw_memmap(int acells)
55 {
56 struct ofw_mapping *mapptr;
57 struct ofw_mapping2 *mapptr2;
58 phandle_t mmup;
59 int nmapping, i;
60 u_char mappings[256 * sizeof(struct ofw_mapping2)];
61 char lbuf[80];
62
63 mmup = OF_instance_to_package(mmu);
64
65 bzero(mappings, sizeof(mappings));
66
67 nmapping = OF_getprop(mmup, "translations", mappings, sizeof(mappings));
68 if (nmapping == -1) {
69 printf("Could not get memory map (%d)\n",
70 nmapping);
71 return;
72 }
73
74 pager_open();
75 if (acells == 1) {
76 nmapping /= sizeof(struct ofw_mapping);
77 mapptr = (struct ofw_mapping *) mappings;
78
79 printf("%17s\t%17s\t%8s\t%6s\n", "Virtual Range",
80 "Physical Range", "#Pages", "Mode");
81
82 for (i = 0; i < nmapping; i++) {
83 sprintf(lbuf, "%08jx-%08jx\t%08jx-%08jx\t%8d\t%6x\n",
84 (uintmax_t)mapptr[i].va,
85 (uintmax_t)mapptr[i].va + mapptr[i].len,
86 (uintmax_t)mapptr[i].pa,
87 (uintmax_t)mapptr[i].pa + mapptr[i].len,
88 mapptr[i].len / 0x1000,
89 mapptr[i].mode);
90 if (pager_output(lbuf))
91 break;
92 }
93 } else {
94 nmapping /= sizeof(struct ofw_mapping2);
95 mapptr2 = (struct ofw_mapping2 *) mappings;
96
97 printf("%17s\t%17s\t%8s\t%6s\n", "Virtual Range",
98 "Physical Range", "#Pages", "Mode");
99
100 for (i = 0; i < nmapping; i++) {
101 sprintf(lbuf, "%08jx-%08jx\t%08jx-%08jx\t%8d\t%6x\n",
102 (uintmax_t)mapptr2[i].va,
103 (uintmax_t)mapptr2[i].va + mapptr2[i].len,
104 (uintmax_t)mapptr2[i].pa_lo,
105 (uintmax_t)mapptr2[i].pa_lo + mapptr2[i].len,
106 mapptr2[i].len / 0x1000,
107 mapptr2[i].mode);
108 if (pager_output(lbuf))
109 break;
110 }
111 }
112 pager_close();
113 }
114
115