1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * 6.8 : Debugging support 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 #include "opt_ddb.h" 36 #include <sys/param.h> 37 #include <sys/kdb.h> 38 #include <sys/kernel.h> 39 #include <sys/bus.h> 40 #include <machine/bus.h> 41 #include <ddb/ddb.h> 42 #include <ddb/db_output.h> 43 44 #include <contrib/dev/acpica/include/acpi.h> 45 #include <contrib/dev/acpica/include/accommon.h> 46 #include <contrib/dev/acpica/include/acdebug.h> 47 48 #include <dev/acpica/acpivar.h> 49 50 UINT32 51 AcpiOsGetLine(char *Buffer) 52 { 53 #ifdef DDB 54 char *cp; 55 56 db_readline(Buffer, 80); 57 for (cp = Buffer; *cp != 0; cp++) 58 if (*cp == '\n') 59 *cp = 0; 60 return (AE_OK); 61 #else 62 printf("AcpiOsGetLine called but no input support"); 63 return (AE_NOT_EXIST); 64 #endif /* DDB */ 65 } 66 67 ACPI_STATUS 68 AcpiOsSignal(UINT32 Function, void *Info) 69 { 70 ACPI_SIGNAL_FATAL_INFO *fatal; 71 72 switch (Function) { 73 case ACPI_SIGNAL_FATAL: 74 fatal = (ACPI_SIGNAL_FATAL_INFO *)Info; 75 printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x", 76 fatal->Type, fatal->Code, fatal->Argument); 77 #ifdef ACPI_DEBUG 78 kdb_enter(KDB_WHY_ACPI, "AcpiOsSignal"); 79 #endif 80 break; 81 82 case ACPI_SIGNAL_BREAKPOINT: 83 #ifdef ACPI_DEBUG 84 kdb_enter(KDB_WHY_ACPI, (char *)Info); 85 #endif 86 break; 87 88 default: 89 return (AE_BAD_PARAMETER); 90 } 91 92 return (AE_OK); 93 } 94 95 #ifdef ACPI_DEBUGGER 96 void 97 acpi_EnterDebugger(void) 98 { 99 ACPI_PARSE_OBJECT obj; 100 static int initted = 0; 101 102 if (!initted) { 103 printf("Initialising ACPICA debugger...\n"); 104 AcpiDbInitialize(); 105 initted = 1; 106 } 107 108 printf("Entering ACPICA debugger...\n"); 109 AcpiDbUserCommands('A', &obj); 110 } 111 #endif /* ACPI_DEBUGGER */ 112