xref: /openbmc/linux/drivers/acpi/acpica/dbfileio.c (revision 8730046c)
1 /*******************************************************************************
2  *
3  * Module Name: dbfileio - Debugger file I/O commands. These can't usually
4  *              be used when running the debugger in Ring 0 (Kernel mode)
5  *
6  ******************************************************************************/
7 
8 /*
9  * Copyright (C) 2000 - 2016, Intel Corp.
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions, and the following disclaimer,
17  *    without modification.
18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19  *    substantially similar to the "NO WARRANTY" disclaimer below
20  *    ("Disclaimer") and any redistribution must be conditioned upon
21  *    including a substantially similar Disclaimer requirement for further
22  *    binary redistribution.
23  * 3. Neither the names of the above-listed copyright holders nor the names
24  *    of any contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * Alternatively, this software may be distributed under the terms of the
28  * GNU General Public License ("GPL") version 2 as published by the Free
29  * Software Foundation.
30  *
31  * NO WARRANTY
32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42  * POSSIBILITY OF SUCH DAMAGES.
43  */
44 
45 #include <acpi/acpi.h>
46 #include "accommon.h"
47 #include "acdebug.h"
48 #include "actables.h"
49 
50 #define _COMPONENT          ACPI_CA_DEBUGGER
51 ACPI_MODULE_NAME("dbfileio")
52 
53 #ifdef ACPI_APPLICATION
54 #include "acapps.h"
55 #ifdef ACPI_DEBUGGER
56 /*******************************************************************************
57  *
58  * FUNCTION:    acpi_db_close_debug_file
59  *
60  * PARAMETERS:  None
61  *
62  * RETURN:      None
63  *
64  * DESCRIPTION: If open, close the current debug output file
65  *
66  ******************************************************************************/
67 void acpi_db_close_debug_file(void)
68 {
69 
70 	if (acpi_gbl_debug_file) {
71 		fclose(acpi_gbl_debug_file);
72 		acpi_gbl_debug_file = NULL;
73 		acpi_gbl_db_output_to_file = FALSE;
74 		acpi_os_printf("Debug output file %s closed\n",
75 			       acpi_gbl_db_debug_filename);
76 	}
77 }
78 
79 /*******************************************************************************
80  *
81  * FUNCTION:    acpi_db_open_debug_file
82  *
83  * PARAMETERS:  name                - Filename to open
84  *
85  * RETURN:      None
86  *
87  * DESCRIPTION: Open a file where debug output will be directed.
88  *
89  ******************************************************************************/
90 
91 void acpi_db_open_debug_file(char *name)
92 {
93 
94 	acpi_db_close_debug_file();
95 	acpi_gbl_debug_file = fopen(name, "w+");
96 	if (!acpi_gbl_debug_file) {
97 		acpi_os_printf("Could not open debug file %s\n", name);
98 		return;
99 	}
100 
101 	acpi_os_printf("Debug output file %s opened\n", name);
102 	strncpy(acpi_gbl_db_debug_filename, name,
103 		sizeof(acpi_gbl_db_debug_filename));
104 	acpi_gbl_db_output_to_file = TRUE;
105 }
106 #endif
107 
108 /*******************************************************************************
109  *
110  * FUNCTION:    acpi_db_load_tables
111  *
112  * PARAMETERS:  list_head       - List of ACPI tables to load
113  *
114  * RETURN:      Status
115  *
116  * DESCRIPTION: Load ACPI tables from a previously constructed table list.
117  *
118  ******************************************************************************/
119 
120 acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head)
121 {
122 	acpi_status status;
123 	struct acpi_new_table_desc *table_list_head;
124 	struct acpi_table_header *table;
125 
126 	/* Load all ACPI tables in the list */
127 
128 	table_list_head = list_head;
129 	while (table_list_head) {
130 		table = table_list_head->table;
131 
132 		status = acpi_load_table(table);
133 		if (ACPI_FAILURE(status)) {
134 			if (status == AE_ALREADY_EXISTS) {
135 				acpi_os_printf
136 				    ("Table %4.4s is already installed\n",
137 				     table->signature);
138 			} else {
139 				acpi_os_printf("Could not install table, %s\n",
140 					       acpi_format_exception(status));
141 			}
142 
143 			return (status);
144 		}
145 
146 		acpi_os_printf
147 		    ("Acpi table [%4.4s] successfully installed and loaded\n",
148 		     table->signature);
149 
150 		table_list_head = table_list_head->next;
151 	}
152 
153 	return (AE_OK);
154 }
155 #endif
156