1 /******************************************************************************
2 *
3 * Module Name: tbfind - find table
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2011, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
69 ******************************************************************************/
70
71 ACPI_STATUS
72 AcpiTbFindTable (
73 char *Signature,
74 char *OemId,
75 char *OemTableId,
76 UINT32 *TableIndex)
77 {
78 UINT32 i;
79 ACPI_STATUS Status;
80 ACPI_TABLE_HEADER Header;
81
82
83 ACPI_FUNCTION_TRACE (TbFindTable);
84
85
86 /* Normalize the input strings */
87
88 ACPI_MEMSET (&Header, 0, sizeof (ACPI_TABLE_HEADER));
89 ACPI_STRNCPY (Header.Signature, Signature, ACPI_NAME_SIZE);
90 ACPI_STRNCPY (Header.OemId, OemId, ACPI_OEM_ID_SIZE);
91 ACPI_STRNCPY (Header.OemTableId, OemTableId, ACPI_OEM_TABLE_ID_SIZE);
92
93 /* Search for the table */
94
95 for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i)
96 {
97 if (ACPI_MEMCMP (&(AcpiGbl_RootTableList.Tables[i].Signature),
98 Header.Signature, ACPI_NAME_SIZE))
99 {
100 /* Not the requested table */
101
102 continue;
103 }
104
105 /* Table with matching signature has been found */
106
107 if (!AcpiGbl_RootTableList.Tables[i].Pointer)
108 {
109 /* Table is not currently mapped, map it */
|
1 /******************************************************************************
2 *
3 * Module Name: tbfind - find table
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2014, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
69 ******************************************************************************/
70
71 ACPI_STATUS
72 AcpiTbFindTable (
73 char *Signature,
74 char *OemId,
75 char *OemTableId,
76 UINT32 *TableIndex)
77 {
78 UINT32 i;
79 ACPI_STATUS Status;
80 ACPI_TABLE_HEADER Header;
81
82
83 ACPI_FUNCTION_TRACE (TbFindTable);
84
85
86 /* Normalize the input strings */
87
88 ACPI_MEMSET (&Header, 0, sizeof (ACPI_TABLE_HEADER));
89 ACPI_MOVE_NAME (Header.Signature, Signature);
90 ACPI_STRNCPY (Header.OemId, OemId, ACPI_OEM_ID_SIZE);
91 ACPI_STRNCPY (Header.OemTableId, OemTableId, ACPI_OEM_TABLE_ID_SIZE);
92
93 /* Search for the table */
94
95 for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i)
96 {
97 if (ACPI_MEMCMP (&(AcpiGbl_RootTableList.Tables[i].Signature),
98 Header.Signature, ACPI_NAME_SIZE))
99 {
100 /* Not the requested table */
101
102 continue;
103 }
104
105 /* Table with matching signature has been found */
106
107 if (!AcpiGbl_RootTableList.Tables[i].Pointer)
108 {
109 /* Table is not currently mapped, map it */
|