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 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