You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
301 lines
9.2 KiB
301 lines
9.2 KiB
/******************************************************************************
|
|
*
|
|
* Module Name: tbgetall - Get all required ACPI tables
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* 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("tbgetall")
|
|
|
|
/* Local prototypes */
|
|
static acpi_status
|
|
acpi_tb_get_primary_table(struct acpi_pointer *address,
|
|
struct acpi_table_desc *table_info);
|
|
|
|
static acpi_status
|
|
acpi_tb_get_secondary_table(struct acpi_pointer *address,
|
|
acpi_string signature,
|
|
struct acpi_table_desc *table_info);
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_tb_get_primary_table
|
|
*
|
|
* PARAMETERS: Address - Physical address of table to retrieve
|
|
* *table_info - Where the table info is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Maps the physical address of table into a logical address
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_tb_get_primary_table(struct acpi_pointer *address,
|
|
struct acpi_table_desc *table_info)
|
|
{
|
|
acpi_status status;
|
|
struct acpi_table_header header;
|
|
|
|
ACPI_FUNCTION_TRACE("tb_get_primary_table");
|
|
|
|
/* Ignore a NULL address in the RSDT */
|
|
|
|
if (!address->pointer.value) {
|
|
return_ACPI_STATUS(AE_OK);
|
|
}
|
|
|
|
/* Get the header in order to get signature and table size */
|
|
|
|
status = acpi_tb_get_table_header(address, &header);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Clear the table_info */
|
|
|
|
ACPI_MEMSET(table_info, 0, sizeof(struct acpi_table_desc));
|
|
|
|
/*
|
|
* Check the table signature and make sure it is recognized.
|
|
* Also checks the header checksum
|
|
*/
|
|
table_info->pointer = &header;
|
|
status = acpi_tb_recognize_table(table_info, ACPI_TABLE_PRIMARY);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Get the entire table */
|
|
|
|
status = acpi_tb_get_table_body(address, &header, table_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Install the table */
|
|
|
|
status = acpi_tb_install_table(table_info);
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_tb_get_secondary_table
|
|
*
|
|
* PARAMETERS: Address - Physical address of table to retrieve
|
|
* *table_info - Where the table info is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Maps the physical address of table into a logical address
|
|
*
|
|
******************************************************************************/
|
|
|
|
static acpi_status
|
|
acpi_tb_get_secondary_table(struct acpi_pointer *address,
|
|
acpi_string signature,
|
|
struct acpi_table_desc *table_info)
|
|
{
|
|
acpi_status status;
|
|
struct acpi_table_header header;
|
|
|
|
ACPI_FUNCTION_TRACE_STR("tb_get_secondary_table", signature);
|
|
|
|
/* Get the header in order to match the signature */
|
|
|
|
status = acpi_tb_get_table_header(address, &header);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Signature must match request */
|
|
|
|
if (ACPI_STRNCMP(header.signature, signature, ACPI_NAME_SIZE)) {
|
|
ACPI_REPORT_ERROR(("Incorrect table signature - wanted [%s] found [%4.4s]\n", signature, header.signature));
|
|
return_ACPI_STATUS(AE_BAD_SIGNATURE);
|
|
}
|
|
|
|
/*
|
|
* Check the table signature and make sure it is recognized.
|
|
* Also checks the header checksum
|
|
*/
|
|
table_info->pointer = &header;
|
|
status = acpi_tb_recognize_table(table_info, ACPI_TABLE_SECONDARY);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Get the entire table */
|
|
|
|
status = acpi_tb_get_table_body(address, &header, table_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Install the table */
|
|
|
|
status = acpi_tb_install_table(table_info);
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_tb_get_required_tables
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Load and validate tables other than the RSDT. The RSDT must
|
|
* already be loaded and validated.
|
|
*
|
|
* Get the minimum set of ACPI tables, namely:
|
|
*
|
|
* 1) FADT (via RSDT in loop below)
|
|
* 2) FACS (via FADT)
|
|
* 3) DSDT (via FADT)
|
|
*
|
|
******************************************************************************/
|
|
|
|
acpi_status acpi_tb_get_required_tables(void)
|
|
{
|
|
acpi_status status = AE_OK;
|
|
u32 i;
|
|
struct acpi_table_desc table_info;
|
|
struct acpi_pointer address;
|
|
|
|
ACPI_FUNCTION_TRACE("tb_get_required_tables");
|
|
|
|
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",
|
|
acpi_gbl_rsdt_table_count));
|
|
|
|
address.pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
|
|
|
|
/*
|
|
* Loop through all table pointers found in RSDT.
|
|
* This will NOT include the FACS and DSDT - we must get
|
|
* them after the loop.
|
|
*
|
|
* The only tables we are interested in getting here is the FADT and
|
|
* any SSDTs.
|
|
*/
|
|
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
|
|
/* Get the table address from the common internal XSDT */
|
|
|
|
address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];
|
|
|
|
/*
|
|
* Get the tables needed by this subsystem (FADT and any SSDTs).
|
|
* NOTE: All other tables are completely ignored at this time.
|
|
*/
|
|
status = acpi_tb_get_primary_table(&address, &table_info);
|
|
if ((status != AE_OK) && (status != AE_TABLE_NOT_SUPPORTED)) {
|
|
ACPI_REPORT_WARNING(("%s, while getting table at %8.8X%8.8X\n", acpi_format_exception(status), ACPI_FORMAT_UINT64(address.pointer.value)));
|
|
}
|
|
}
|
|
|
|
/* We must have a FADT to continue */
|
|
|
|
if (!acpi_gbl_FADT) {
|
|
ACPI_REPORT_ERROR(("No FADT present in RSDT/XSDT\n"));
|
|
return_ACPI_STATUS(AE_NO_ACPI_TABLES);
|
|
}
|
|
|
|
/*
|
|
* Convert the FADT to a common format. This allows earlier revisions of
|
|
* the table to coexist with newer versions, using common access code.
|
|
*/
|
|
status = acpi_tb_convert_table_fadt();
|
|
if (ACPI_FAILURE(status)) {
|
|
ACPI_REPORT_ERROR(("Could not convert FADT to internal common format\n"));
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Get the FACS (Pointed to by the FADT) */
|
|
|
|
address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl;
|
|
|
|
status = acpi_tb_get_secondary_table(&address, FACS_SIG, &table_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
ACPI_REPORT_ERROR(("Could not get/install the FACS, %s\n",
|
|
acpi_format_exception(status)));
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/*
|
|
* Create the common FACS pointer table
|
|
* (Contains pointers to the original table)
|
|
*/
|
|
status = acpi_tb_build_common_facs(&table_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Get/install the DSDT (Pointed to by the FADT) */
|
|
|
|
address.pointer.value = acpi_gbl_FADT->Xdsdt;
|
|
|
|
status = acpi_tb_get_secondary_table(&address, DSDT_SIG, &table_info);
|
|
if (ACPI_FAILURE(status)) {
|
|
ACPI_REPORT_ERROR(("Could not get/install the DSDT\n"));
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|
|
/* Set Integer Width (32/64) based upon DSDT revision */
|
|
|
|
acpi_ut_set_integer_width(acpi_gbl_DSDT->revision);
|
|
|
|
/* Dump the entire DSDT */
|
|
|
|
ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
|
|
"Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n",
|
|
acpi_gbl_DSDT->length, acpi_gbl_DSDT->length,
|
|
acpi_gbl_integer_bit_width));
|
|
ACPI_DUMP_BUFFER((u8 *) acpi_gbl_DSDT, acpi_gbl_DSDT->length);
|
|
|
|
/* Always delete the RSDP mapping, we are done with it */
|
|
|
|
acpi_tb_delete_tables_by_type(ACPI_TABLE_RSDP);
|
|
return_ACPI_STATUS(status);
|
|
}
|
|
|