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path: root/drivers/acpi/tables/tbrsdt.c
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Diffstat (limited to 'drivers/acpi/tables/tbrsdt.c')
-rw-r--r--drivers/acpi/tables/tbrsdt.c329
1 files changed, 0 insertions, 329 deletions
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
deleted file mode 100644
index b7ffe39c362..00000000000
--- a/drivers/acpi/tables/tbrsdt.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/******************************************************************************
- *
- * Module Name: tbrsdt - ACPI RSDT table 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 ("tbrsdt")
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_verify_rsdp
- *
- * PARAMETERS: Address - RSDP (Pointer to RSDT)
- *
- * RETURN: Status
- *
- * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_verify_rsdp (
- struct acpi_pointer *address)
-{
- struct acpi_table_desc table_info;
- acpi_status status;
- struct rsdp_descriptor *rsdp;
-
-
- ACPI_FUNCTION_TRACE ("tb_verify_rsdp");
-
-
- switch (address->pointer_type) {
- case ACPI_LOGICAL_POINTER:
-
- rsdp = address->pointer.logical;
- break;
-
- case ACPI_PHYSICAL_POINTER:
- /*
- * Obtain access to the RSDP structure
- */
- status = acpi_os_map_memory (address->pointer.physical,
- sizeof (struct rsdp_descriptor),
- (void *) &rsdp);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
- break;
-
- default:
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- /*
- * The signature and checksum must both be correct
- */
- if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
- /* Nope, BAD Signature */
-
- status = AE_BAD_SIGNATURE;
- goto cleanup;
- }
-
- /* Check the standard checksum */
-
- if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
- status = AE_BAD_CHECKSUM;
- goto cleanup;
- }
-
- /* Check extended checksum if table version >= 2 */
-
- if (rsdp->revision >= 2) {
- if (acpi_tb_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0) {
- status = AE_BAD_CHECKSUM;
- goto cleanup;
- }
- }
-
- /* The RSDP supplied is OK */
-
- table_info.pointer = ACPI_CAST_PTR (struct acpi_table_header, rsdp);
- table_info.length = sizeof (struct rsdp_descriptor);
- table_info.allocation = ACPI_MEM_MAPPED;
-
- /* Save the table pointers and allocation info */
-
- status = acpi_tb_init_table_descriptor (ACPI_TABLE_RSDP, &table_info);
- if (ACPI_FAILURE (status)) {
- goto cleanup;
- }
-
- /* Save the RSDP in a global for easy access */
-
- acpi_gbl_RSDP = ACPI_CAST_PTR (struct rsdp_descriptor, table_info.pointer);
- return_ACPI_STATUS (status);
-
-
- /* Error exit */
-cleanup:
-
- if (acpi_gbl_table_flags & ACPI_PHYSICAL_POINTER) {
- acpi_os_unmap_memory (rsdp, sizeof (struct rsdp_descriptor));
- }
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_get_rsdt_address
- *
- * PARAMETERS: out_address - Where the address is returned
- *
- * RETURN: None, Address
- *
- * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the
- * version of the RSDP
- *
- ******************************************************************************/
-
-void
-acpi_tb_get_rsdt_address (
- struct acpi_pointer *out_address)
-{
-
- ACPI_FUNCTION_ENTRY ();
-
-
- out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
-
- /*
- * For RSDP revision 0 or 1, we use the RSDT.
- * For RSDP revision 2 (and above), we use the XSDT
- */
- if (acpi_gbl_RSDP->revision < 2) {
- out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
- }
- else {
- out_address->pointer.value =
- acpi_gbl_RSDP->xsdt_physical_address;
- }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_validate_rsdt
- *
- * PARAMETERS: table_ptr - Addressable pointer to the RSDT.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Validate signature for the RSDT or XSDT
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_validate_rsdt (
- struct acpi_table_header *table_ptr)
-{
- int no_match;
-
-
- ACPI_FUNCTION_NAME ("tb_validate_rsdt");
-
-
- /*
- * For RSDP revision 0 or 1, we use the RSDT.
- * For RSDP revision 2 and above, we use the XSDT
- */
- if (acpi_gbl_RSDP->revision < 2) {
- no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG,
- sizeof (RSDT_SIG) -1);
- }
- else {
- no_match = ACPI_STRNCMP ((char *) table_ptr, XSDT_SIG,
- sizeof (XSDT_SIG) -1);
- }
-
- if (no_match) {
- /* Invalid RSDT or XSDT signature */
-
- ACPI_REPORT_ERROR ((
- "Invalid signature where RSDP indicates RSDT/XSDT should be located\n"));
-
- ACPI_DUMP_BUFFER (acpi_gbl_RSDP, 20);
-
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR,
- "RSDT/XSDT signature at %X (%p) is invalid\n",
- acpi_gbl_RSDP->rsdt_physical_address,
- (void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address));
-
- if (acpi_gbl_RSDP->revision < 2) {
- ACPI_REPORT_ERROR (("Looking for RSDT (RSDP->Rev < 2)\n"))
- }
- else {
- ACPI_REPORT_ERROR (("Looking for XSDT (RSDP->Rev >= 2)\n"))
- }
-
- ACPI_DUMP_BUFFER ((char *) table_ptr, 48);
-
- return (AE_BAD_SIGNATURE);
- }
-
- return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_get_table_rsdt
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table)
- *
- ******************************************************************************/
-
-acpi_status
-acpi_tb_get_table_rsdt (
- void)
-{
- struct acpi_table_desc table_info;
- acpi_status status;
- struct acpi_pointer address;
-
-
- ACPI_FUNCTION_TRACE ("tb_get_table_rsdt");
-
-
- /* Get the RSDT/XSDT via the RSDP */
-
- acpi_tb_get_rsdt_address (&address);
-
- table_info.type = ACPI_TABLE_XSDT;
- status = acpi_tb_get_table (&address, &table_info);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not get the RSDT/XSDT, %s\n",
- acpi_format_exception (status)));
-
- return_ACPI_STATUS (status);
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "RSDP located at %p, points to RSDT physical=%8.8X%8.8X \n",
- acpi_gbl_RSDP,
- ACPI_FORMAT_UINT64 (address.pointer.value)));
-
- /* Check the RSDT or XSDT signature */
-
- status = acpi_tb_validate_rsdt (table_info.pointer);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
-
- /* Get the number of tables defined in the RSDT or XSDT */
-
- acpi_gbl_rsdt_table_count = acpi_tb_get_table_count (acpi_gbl_RSDP,
- table_info.pointer);
-
- /* Convert and/or copy to an XSDT structure */
-
- status = acpi_tb_convert_to_xsdt (&table_info);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
-
- /* Save the table pointers and allocation info */
-
- status = acpi_tb_init_table_descriptor (ACPI_TABLE_XSDT, &table_info);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
-
- acpi_gbl_XSDT = ACPI_CAST_PTR (XSDT_DESCRIPTOR, table_info.pointer);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT));
- return_ACPI_STATUS (status);
-}
-
-