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Diffstat (limited to 'drivers/acpi/tables/tbutils.c')
-rw-r--r--drivers/acpi/tables/tbutils.c299
1 files changed, 0 insertions, 299 deletions
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
deleted file mode 100644
index 4b2fbb592f4..00000000000
--- a/drivers/acpi/tables/tbutils.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/******************************************************************************
- *
- * Module Name: tbutils - Table manipulation utilities
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT ACPI_TABLES
-ACPI_MODULE_NAME("tbutils")
-
-/* Local prototypes */
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-acpi_status
-acpi_tb_handle_to_object(u16 table_id, struct acpi_table_desc **table_desc);
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_is_table_installed
- *
- * PARAMETERS: new_table_desc - Descriptor for new table being installed
- *
- * RETURN: Status - AE_ALREADY_EXISTS if the table is already installed
- *
- * DESCRIPTION: Determine if an ACPI table is already installed
- *
- * MUTEX: Table data structures should be locked
- *
- ******************************************************************************/
-
-acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
-{
- struct acpi_table_desc *table_desc;
-
- ACPI_FUNCTION_TRACE("tb_is_table_installed");
-
- /* Get the list descriptor and first table descriptor */
-
- table_desc = acpi_gbl_table_lists[new_table_desc->type].next;
-
- /* Examine all installed tables of this type */
-
- while (table_desc) {
- /*
- * If the table lengths match, perform a full bytewise compare. This
- * means that we will allow tables with duplicate oem_table_id(s), as
- * long as the tables are different in some way.
- *
- * Checking if the table has been loaded into the namespace means that
- * we don't check for duplicate tables during the initial installation
- * of tables within the RSDT/XSDT.
- */
- if ((table_desc->loaded_into_namespace) &&
- (table_desc->pointer->length ==
- new_table_desc->pointer->length)
- &&
- (!ACPI_MEMCMP
- ((const char *)table_desc->pointer,
- (const char *)new_table_desc->pointer,
- (acpi_size) new_table_desc->pointer->length))) {
- /* Match: this table is already installed */
-
- ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
- "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
- new_table_desc->pointer->signature,
- new_table_desc->pointer->revision,
- new_table_desc->pointer->
- oem_table_id));
-
- new_table_desc->owner_id = table_desc->owner_id;
- new_table_desc->installed_desc = table_desc;
-
- return_ACPI_STATUS(AE_ALREADY_EXISTS);
- }
-
- /* Get next table on the list */
-
- table_desc = table_desc->next;
- }
-
- return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_validate_table_header
- *
- * PARAMETERS: table_header - Logical pointer to the table
- *
- * RETURN: Status
- *
- * DESCRIPTION: Check an ACPI table header for validity
- *
- * NOTE: Table pointers are validated as follows:
- * 1) Table pointer must point to valid physical memory
- * 2) Signature must be 4 ASCII chars, even if we don't recognize the
- * name
- * 3) Table must be readable for length specified in the header
- * 4) Table checksum must be valid (with the exception of the FACS
- * which has no checksum because it contains variable fields)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_validate_table_header(struct acpi_table_header *table_header)
-{
- acpi_name signature;
-
- ACPI_FUNCTION_NAME("tb_validate_table_header");
-
- /* Verify that this is a valid address */
-
- if (!acpi_os_readable(table_header, sizeof(struct acpi_table_header))) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Cannot read table header at %p\n",
- table_header));
-
- return (AE_BAD_ADDRESS);
- }
-
- /* Ensure that the signature is 4 ASCII characters */
-
- ACPI_MOVE_32_TO_32(&signature, table_header->signature);
- if (!acpi_ut_valid_acpi_name(signature)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Table signature at %p [%p] has invalid characters\n",
- table_header, &signature));
-
- ACPI_REPORT_WARNING(("Invalid table signature found: [%4.4s]\n",
- (char *)&signature));
-
- ACPI_DUMP_BUFFER(table_header,
- sizeof(struct acpi_table_header));
- return (AE_BAD_SIGNATURE);
- }
-
- /* Validate the table length */
-
- if (table_header->length < sizeof(struct acpi_table_header)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid length in table header %p name %4.4s\n",
- table_header, (char *)&signature));
-
- ACPI_REPORT_WARNING(("Invalid table header length (0x%X) found\n", (u32) table_header->length));
-
- ACPI_DUMP_BUFFER(table_header,
- sizeof(struct acpi_table_header));
- return (AE_BAD_HEADER);
- }
-
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_verify_table_checksum
- *
- * PARAMETERS: *table_header - ACPI table to verify
- *
- * RETURN: 8 bit checksum of table
- *
- * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct
- * table should have a checksum of 0.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_verify_table_checksum(struct acpi_table_header * table_header)
-{
- u8 checksum;
- acpi_status status = AE_OK;
-
- ACPI_FUNCTION_TRACE("tb_verify_table_checksum");
-
- /* Compute the checksum on the table */
-
- checksum =
- acpi_tb_generate_checksum(table_header, table_header->length);
-
- /* Return the appropriate exception */
-
- if (checksum) {
- ACPI_REPORT_WARNING(("Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n", table_header->signature, (u32) table_header->checksum, (u32) checksum));
-
- status = AE_BAD_CHECKSUM;
- }
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_generate_checksum
- *
- * PARAMETERS: Buffer - Buffer to checksum
- * Length - Size of the buffer
- *
- * RETURN: 8 bit checksum of buffer
- *
- * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it.
- *
- ******************************************************************************/
-
-u8 acpi_tb_generate_checksum(void *buffer, u32 length)
-{
- const u8 *limit;
- const u8 *rover;
- u8 sum = 0;
-
- if (buffer && length) {
- /* Buffer and Length are valid */
-
- limit = (u8 *) buffer + length;
-
- for (rover = buffer; rover < limit; rover++) {
- sum = (u8) (sum + *rover);
- }
- }
- return (sum);
-}
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_handle_to_object
- *
- * PARAMETERS: table_id - Id for which the function is searching
- * table_desc - Pointer to return the matching table
- * descriptor.
- *
- * RETURN: Search the tables to find one with a matching table_id and
- * return a pointer to that table descriptor.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_handle_to_object(u16 table_id,
- struct acpi_table_desc ** return_table_desc)
-{
- u32 i;
- struct acpi_table_desc *table_desc;
-
- ACPI_FUNCTION_NAME("tb_handle_to_object");
-
- for (i = 0; i < ACPI_TABLE_MAX; i++) {
- table_desc = acpi_gbl_table_lists[i].next;
- while (table_desc) {
- if (table_desc->table_id == table_id) {
- *return_table_desc = table_desc;
- return (AE_OK);
- }
-
- table_desc = table_desc->next;
- }
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "table_id=%X does not exist\n",
- table_id));
- return (AE_BAD_PARAMETER);
-}
-#endif
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