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