xref: /openbmc/linux/drivers/acpi/acpica/dbfileio.c (revision f3539c12)
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 #include <stdio.h>
50 #ifdef ACPI_APPLICATION
51 #include "acapps.h"
52 #endif
53 
54 #define _COMPONENT          ACPI_CA_DEBUGGER
55 ACPI_MODULE_NAME("dbfileio")
56 
57 #ifdef ACPI_DEBUGGER
58 /*******************************************************************************
59  *
60  * FUNCTION:    acpi_db_close_debug_file
61  *
62  * PARAMETERS:  None
63  *
64  * RETURN:      None
65  *
66  * DESCRIPTION: If open, close the current debug output file
67  *
68  ******************************************************************************/
69 void acpi_db_close_debug_file(void)
70 {
71 
72 #ifdef ACPI_APPLICATION
73 
74 	if (acpi_gbl_debug_file) {
75 		fclose(acpi_gbl_debug_file);
76 		acpi_gbl_debug_file = NULL;
77 		acpi_gbl_db_output_to_file = FALSE;
78 		acpi_os_printf("Debug output file %s closed\n",
79 			       acpi_gbl_db_debug_filename);
80 	}
81 #endif
82 }
83 
84 /*******************************************************************************
85  *
86  * FUNCTION:    acpi_db_open_debug_file
87  *
88  * PARAMETERS:  name                - Filename to open
89  *
90  * RETURN:      None
91  *
92  * DESCRIPTION: Open a file where debug output will be directed.
93  *
94  ******************************************************************************/
95 
96 void acpi_db_open_debug_file(char *name)
97 {
98 
99 #ifdef ACPI_APPLICATION
100 
101 	acpi_db_close_debug_file();
102 	acpi_gbl_debug_file = fopen(name, "w+");
103 	if (!acpi_gbl_debug_file) {
104 		acpi_os_printf("Could not open debug file %s\n", name);
105 		return;
106 	}
107 
108 	acpi_os_printf("Debug output file %s opened\n", name);
109 	strncpy(acpi_gbl_db_debug_filename, name,
110 		sizeof(acpi_gbl_db_debug_filename));
111 	acpi_gbl_db_output_to_file = TRUE;
112 
113 #endif
114 }
115 #endif
116 
117 /*******************************************************************************
118  *
119  * FUNCTION:    acpi_db_load_tables
120  *
121  * PARAMETERS:  list_head       - List of ACPI tables to load
122  *
123  * RETURN:      Status
124  *
125  * DESCRIPTION: Load ACPI tables from a previously constructed table list.
126  *
127  ******************************************************************************/
128 
129 acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head)
130 {
131 	acpi_status status;
132 	struct acpi_new_table_desc *table_list_head;
133 	struct acpi_table_header *table;
134 
135 	/* Load all ACPI tables in the list */
136 
137 	table_list_head = list_head;
138 	while (table_list_head) {
139 		table = table_list_head->table;
140 
141 		status = acpi_load_table(table);
142 		if (ACPI_FAILURE(status)) {
143 			if (status == AE_ALREADY_EXISTS) {
144 				acpi_os_printf
145 				    ("Table %4.4s is already installed\n",
146 				     table->signature);
147 			} else {
148 				acpi_os_printf("Could not install table, %s\n",
149 					       acpi_format_exception(status));
150 			}
151 
152 			return (status);
153 		}
154 
155 		fprintf(stderr,
156 			"Acpi table [%4.4s] successfully installed and loaded\n",
157 			table->signature);
158 
159 		table_list_head = table_list_head->next;
160 	}
161 
162 	return (AE_OK);
163 }
164