xref: /linux/drivers/acpi/acpica/dbfileio.c (revision 4ab5a5d2a4a2289c2af07accbec7170ca5671f41)
1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /*******************************************************************************
3  *
4  * Module Name: dbfileio - Debugger file I/O commands. These can't usually
5  *              be used when running the debugger in Ring 0 (Kernel mode)
6  *
7  ******************************************************************************/
8 
9 #include <acpi/acpi.h>
10 #include "accommon.h"
11 #include "acdebug.h"
12 #include "actables.h"
13 
14 #define _COMPONENT          ACPI_CA_DEBUGGER
15 ACPI_MODULE_NAME("dbfileio")
16 
17 #ifdef ACPI_APPLICATION
18 #include "acapps.h"
19 #ifdef ACPI_DEBUGGER
20 /*******************************************************************************
21  *
22  * FUNCTION:    acpi_db_close_debug_file
23  *
24  * PARAMETERS:  None
25  *
26  * RETURN:      None
27  *
28  * DESCRIPTION: If open, close the current debug output file
29  *
30  ******************************************************************************/
31 void acpi_db_close_debug_file(void)
32 {
33 
34 	if (acpi_gbl_debug_file) {
35 		fclose(acpi_gbl_debug_file);
36 		acpi_gbl_debug_file = NULL;
37 		acpi_gbl_db_output_to_file = FALSE;
38 		acpi_os_printf("Debug output file %s closed\n",
39 			       acpi_gbl_db_debug_filename);
40 	}
41 }
42 
43 /*******************************************************************************
44  *
45  * FUNCTION:    acpi_db_open_debug_file
46  *
47  * PARAMETERS:  name                - Filename to open
48  *
49  * RETURN:      None
50  *
51  * DESCRIPTION: Open a file where debug output will be directed.
52  *
53  ******************************************************************************/
54 
55 void acpi_db_open_debug_file(char *name)
56 {
57 
58 	acpi_db_close_debug_file();
59 	acpi_gbl_debug_file = fopen(name, "w+");
60 	if (!acpi_gbl_debug_file) {
61 		acpi_os_printf("Could not open debug file %s\n", name);
62 		return;
63 	}
64 
65 	acpi_os_printf("Debug output file %s opened\n", name);
66 	acpi_ut_safe_strncpy(acpi_gbl_db_debug_filename, name,
67 			     sizeof(acpi_gbl_db_debug_filename));
68 	acpi_gbl_db_output_to_file = TRUE;
69 }
70 #endif
71 
72 /*******************************************************************************
73  *
74  * FUNCTION:    acpi_db_load_tables
75  *
76  * PARAMETERS:  list_head       - List of ACPI tables to load
77  *
78  * RETURN:      Status
79  *
80  * DESCRIPTION: Load ACPI tables from a previously constructed table list.
81  *
82  ******************************************************************************/
83 
84 acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head)
85 {
86 	acpi_status status;
87 	struct acpi_new_table_desc *table_list_head;
88 	struct acpi_table_header *table;
89 
90 	/* Load all ACPI tables in the list */
91 
92 	table_list_head = list_head;
93 	while (table_list_head) {
94 		table = table_list_head->table;
95 
96 		status = acpi_load_table(table);
97 		if (ACPI_FAILURE(status)) {
98 			if (status == AE_ALREADY_EXISTS) {
99 				acpi_os_printf
100 				    ("Table %4.4s is already installed\n",
101 				     table->signature);
102 			} else {
103 				acpi_os_printf("Could not install table, %s\n",
104 					       acpi_format_exception(status));
105 			}
106 
107 			return (status);
108 		}
109 
110 		acpi_os_printf
111 		    ("Acpi table [%4.4s] successfully installed and loaded\n",
112 		     table->signature);
113 
114 		table_list_head = table_list_head->next;
115 	}
116 
117 	return (AE_OK);
118 }
119 #endif
120