1/*- 2 * Copyright (c) 2001 Jake Burkholder. 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 THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR 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 * $FreeBSD$ 27 */ 28 29#include <sys/param.h> 30#include <sys/systm.h> 31#include <sys/reboot.h> 32#include <sys/cons.h> 33#include <sys/kdb.h> 34#include <sys/ktr.h> 35#include <sys/lock.h> 36#include <sys/pcpu.h> 37#include <sys/proc.h> 38#include <sys/smp.h> 39 40#include <machine/cpu.h> 41#include <machine/md_var.h> 42 43#include <vm/vm.h> 44#include <vm/pmap.h> 45 46#include <ddb/ddb.h> 47#include <ddb/db_access.h> 48#include <ddb/db_sym.h> 49#include <ddb/db_variables.h> 50 51#include <machine/atomic.h> 52#include <machine/setjmp.h> 53 54int 55db_read_bytes(vm_offset_t addr, size_t size, char *data) 56{ 57 jmp_buf jb; 58 void *prev_jb; 59 char *src; 60 int ret; 61 62 prev_jb = kdb_jmpbuf(jb); 63 ret = setjmp(jb); 64 if (ret == 0) { 65 src = (char *)addr; 66 while (size-- > 0) 67 *data++ = *src++; 68 } 69 (void)kdb_jmpbuf(prev_jb); 70 return (ret); 71} 72 73int 74db_write_bytes(vm_offset_t addr, size_t size, char *data) 75{ 76 jmp_buf jb; 77 void *prev_jb; 78 char *dst; 79 int ret; 80 81 prev_jb = kdb_jmpbuf(jb); 82 ret = setjmp(jb); 83 if (ret == 0) { 84 dst = (char *)addr; 85 while (size-- > 0) 86 *dst++ = *data++; 87 } 88 (void)kdb_jmpbuf(prev_jb); 89 return (ret); 90} 91 92void 93db_show_mdpcpu(struct pcpu *pc) 94{ 95} 96