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, "%08x-%08x\t%08x-%08x\t%8d\t%6x\n", 84 mapptr[i].va, 85 mapptr[i].va + mapptr[i].len, 86 mapptr[i].pa, 87 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, "%08x-%08x\t%08x-%08x\t%8d\t%6x\n", 102 mapptr2[i].va, 103 mapptr2[i].va + mapptr2[i].len, 104 mapptr2[i].pa_lo, 105 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