From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- drivers/acpi/tables/tbgetall.c | 313 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 313 insertions(+) create mode 100644 drivers/acpi/tables/tbgetall.c (limited to 'drivers/acpi/tables/tbgetall.c') diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c new file mode 100644 index 000000000000..adc4270988bc --- /dev/null +++ b/drivers/acpi/tables/tbgetall.c @@ -0,0 +1,313 @@ +/****************************************************************************** + * + * 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 +#include + + +#define _COMPONENT ACPI_TABLES + ACPI_MODULE_NAME ("tbgetall") + + +/******************************************************************************* + * + * 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 + * + ******************************************************************************/ + +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 + * + ******************************************************************************/ + +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); +} + + -- cgit v1.2.2