stand/libofw/ofw_memory.c

   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
  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