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Diffstat (limited to 'sys/contrib/dev/acpica/tbutils.c')
| -rw-r--r-- | sys/contrib/dev/acpica/tbutils.c | 594 |
1 files changed, 0 insertions, 594 deletions
diff --git a/sys/contrib/dev/acpica/tbutils.c b/sys/contrib/dev/acpica/tbutils.c deleted file mode 100644 index 5b64e20..0000000 --- a/sys/contrib/dev/acpica/tbutils.c +++ /dev/null @@ -1,594 +0,0 @@ -/****************************************************************************** - * - * Module Name: tbutils - table utilities - * $Revision: 1.88 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. - * All rights reserved. - * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * documentation of any changes made by any predecessor Licensee. Licensee - * must include a prominent statement that the modification is derived, - * directly or indirectly, from Original Intel Code. - * - * 3.2. Redistribution of Source with no Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification without rights to further distribute source must - * include the following Disclaimer and Export Compliance provision in the - * documentation and/or other materials provided with distribution. In - * addition, Licensee may not authorize further sublicense of source of any - * portion of the Covered Code, and must include terms to the effect that the - * license from Licensee to its licensee is limited to the intellectual - * property embodied in the software Licensee provides to its licensee, and - * not to intellectual property embodied in modifications its licensee may - * make. - * - * 3.3. Redistribution of Executable. Redistribution in executable form of any - * substantial portion of the Covered Code or modification must reproduce the - * above Copyright Notice, and the following Disclaimer and Export Compliance - * provision in the documentation and/or other materials provided with the - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 3.5. Neither the name Intel nor any other trademark owned or controlled by - * Intel shall be used in advertising or otherwise to promote the sale, use or - * other dealings in products derived from or relating to the Covered Code - * without prior written authorization from Intel. - * - * 4. Disclaimer and Export Compliance - * - * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED - * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE - * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, - * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY - * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY - * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A - * PARTICULAR PURPOSE. - * - * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES - * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR - * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, - * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY - * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL - * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS - * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY - * LIMITED REMEDY. - * - * 4.3. Licensee shall not export, either directly or indirectly, any of this - * software or system incorporating such software without first obtaining any - * required license or other approval from the U. S. Department of Commerce or - * any other agency or department of the United States Government. In the - * event Licensee exports any such software from the United States or - * re-exports any such software from a foreign destination, Licensee shall - * ensure that the distribution and export/re-export of the software is in - * compliance with all laws, regulations, orders, or other restrictions of the - * U.S. Export Administration Regulations. Licensee agrees that neither it nor - * any of its subsidiaries will export/re-export any technical data, process, - * software, or service, directly or indirectly, to any country for which the - * United States government or any agency thereof requires an export license, - * other governmental approval, or letter of assurance, without first obtaining - * such license, approval or letter. - * - *****************************************************************************/ - -#define __TBUTILS_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/actables.h> - -#define _COMPONENT ACPI_TABLES - ACPI_MODULE_NAME ("tbutils") - -/* Local prototypes */ - -static ACPI_PHYSICAL_ADDRESS -AcpiTbGetRootTableEntry ( - UINT8 *TableEntry, - ACPI_NATIVE_UINT TableEntrySize); - - -/******************************************************************************* - * - * FUNCTION: AcpiTbTablesLoaded - * - * PARAMETERS: None - * - * RETURN: TRUE if required ACPI tables are loaded - * - * DESCRIPTION: Determine if the minimum required ACPI tables are present - * (FADT, FACS, DSDT) - * - ******************************************************************************/ - -BOOLEAN -AcpiTbTablesLoaded ( - void) -{ - - if (AcpiGbl_RootTableList.Count >= 3) - { - return (TRUE); - } - - return (FALSE); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbPrintTableHeader - * - * PARAMETERS: Address - Table physical address - * Header - Table header - * - * RETURN: None - * - * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP. - * - ******************************************************************************/ - -void -AcpiTbPrintTableHeader ( - ACPI_PHYSICAL_ADDRESS Address, - ACPI_TABLE_HEADER *Header) -{ - - if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_FACS)) - { - /* FACS only has signature and length fields of common table header */ - - ACPI_INFO ((AE_INFO, "%4.4s @ 0x%p/0x%04X", - Header->Signature, ACPI_CAST_PTR (void, Address), Header->Length)); - } - else if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_RSDP)) - { - /* RSDP has no common fields */ - - ACPI_INFO ((AE_INFO, "RSDP @ 0x%p/0x%04X (v%3.3d %6.6s)", - ACPI_CAST_PTR (void, Address), - (ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision > 0) ? - ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Length : 20, - ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision, - ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->OemId)); - } - else - { - /* Standard ACPI table with full common header */ - - ACPI_INFO ((AE_INFO, - "%4.4s @ 0x%p/0x%04X (v%3.3d %6.6s %8.8s 0x%08X %4.4s 0x%08X)", - Header->Signature, ACPI_CAST_PTR (void, Address), - Header->Length, Header->Revision, Header->OemId, - Header->OemTableId, Header->OemRevision, Header->AslCompilerId, - Header->AslCompilerRevision)); - } -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbValidateChecksum - * - * PARAMETERS: Table - ACPI table to verify - * Length - Length of entire table - * - * RETURN: Status - * - * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns - * exception on bad checksum. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbVerifyChecksum ( - ACPI_TABLE_HEADER *Table, - UINT32 Length) -{ - UINT8 Checksum; - - - /* Compute the checksum on the table */ - - Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Length); - - /* Checksum ok? (should be zero) */ - - if (Checksum) - { - ACPI_WARNING ((AE_INFO, - "Incorrect checksum in table [%4.4s] - %2.2X, should be %2.2X", - Table->Signature, Table->Checksum, (UINT8) (Table->Checksum - Checksum))); - -#if (ACPI_CHECKSUM_ABORT) - return (AE_BAD_CHECKSUM); -#endif - } - - return (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbChecksum - * - * PARAMETERS: Buffer - Pointer to memory region to be checked - * Length - Length of this memory region - * - * RETURN: Checksum (UINT8) - * - * DESCRIPTION: Calculates circular checksum of memory region. - * - ******************************************************************************/ - -UINT8 -AcpiTbChecksum ( - UINT8 *Buffer, - ACPI_NATIVE_UINT Length) -{ - UINT8 Sum = 0; - UINT8 *End = Buffer + Length; - - - while (Buffer < End) - { - Sum = (UINT8) (Sum + *(Buffer++)); - } - - return Sum; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbInstallTable - * - * PARAMETERS: Address - Physical address of DSDT or FACS - * Flags - Flags - * Signature - Table signature, NULL if no need to - * match - * TableIndex - Index into root table array - * - * RETURN: None - * - * DESCRIPTION: Install an ACPI table into the global data structure. - * - ******************************************************************************/ - -void -AcpiTbInstallTable ( - ACPI_PHYSICAL_ADDRESS Address, - UINT8 Flags, - char *Signature, - ACPI_NATIVE_UINT TableIndex) -{ - ACPI_TABLE_HEADER *Table; - - - if (!Address) - { - ACPI_ERROR ((AE_INFO, "Null physical address for ACPI table [%s]", - Signature)); - return; - } - - /* Map just the table header */ - - Table = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER)); - if (!Table) - { - return; - } - - /* If a particular signature is expected, signature must match */ - - if (Signature && - !ACPI_COMPARE_NAME (Table->Signature, Signature)) - { - ACPI_ERROR ((AE_INFO, "Invalid signature 0x%X for ACPI table [%s]", - *ACPI_CAST_PTR (UINT32, Table->Signature), Signature)); - goto UnmapAndExit; - } - - /* Initialize the table entry */ - - AcpiGbl_RootTableList.Tables[TableIndex].Address = Address; - AcpiGbl_RootTableList.Tables[TableIndex].Length = Table->Length; - AcpiGbl_RootTableList.Tables[TableIndex].Flags = Flags; - - ACPI_MOVE_32_TO_32 ( - &(AcpiGbl_RootTableList.Tables[TableIndex].Signature), - Table->Signature); - - AcpiTbPrintTableHeader (Address, Table); - - if (TableIndex == ACPI_TABLE_INDEX_DSDT) - { - /* Global integer width is based upon revision of the DSDT */ - - AcpiUtSetIntegerWidth (Table->Revision); - } - -UnmapAndExit: - AcpiOsUnmapMemory (Table, sizeof (ACPI_TABLE_HEADER)); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbGetRootTableEntry - * - * PARAMETERS: TableEntry - Pointer to the RSDT/XSDT table entry - * TableEntrySize - sizeof 32 or 64 (RSDT or XSDT) - * - * RETURN: Physical address extracted from the root table - * - * DESCRIPTION: Get one root table entry. Handles 32-bit and 64-bit cases on - * both 32-bit and 64-bit platforms - * - * NOTE: ACPI_PHYSICAL_ADDRESS is 32-bit on 32-bit platforms, 64-bit on - * 64-bit platforms. - * - ******************************************************************************/ - -static ACPI_PHYSICAL_ADDRESS -AcpiTbGetRootTableEntry ( - UINT8 *TableEntry, - ACPI_NATIVE_UINT TableEntrySize) -{ - UINT64 Address64; - - - /* - * Get the table physical address (32-bit for RSDT, 64-bit for XSDT): - * Note: Addresses are 32-bit aligned (not 64) in both RSDT and XSDT - */ - if (TableEntrySize == sizeof (UINT32)) - { - /* - * 32-bit platform, RSDT: Return 32-bit table entry - * 64-bit platform, RSDT: Expand 32-bit to 64-bit and return - */ - return ((ACPI_PHYSICAL_ADDRESS) (*ACPI_CAST_PTR (UINT32, TableEntry))); - } - else - { - /* - * 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return - * 64-bit platform, XSDT: Move (unaligned) 64-bit to local, return 64-bit - */ - ACPI_MOVE_64_TO_64 (&Address64, TableEntry); - -#if ACPI_MACHINE_WIDTH == 32 - if (Address64 > ACPI_UINT32_MAX) - { - /* Will truncate 64-bit address to 32 bits, issue warning */ - - ACPI_WARNING ((AE_INFO, - "64-bit Physical Address in XSDT is too large (%8.8X%8.8X), truncating", - ACPI_FORMAT_UINT64 (Address64))); - } -#endif - return ((ACPI_PHYSICAL_ADDRESS) (Address64)); - } -} - - -/******************************************************************************* - * - * FUNCTION: AcpiTbParseRootTable - * - * PARAMETERS: Rsdp - Pointer to the RSDP - * Flags - Flags - * - * RETURN: Status - * - * DESCRIPTION: This function is called to parse the Root System Description - * Table (RSDT or XSDT) - * - * NOTE: Tables are mapped (not copied) for efficiency. The FACS must - * be mapped and cannot be copied because it contains the actual - * memory location of the ACPI Global Lock. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiTbParseRootTable ( - ACPI_PHYSICAL_ADDRESS RsdpAddress, - UINT8 Flags) -{ - ACPI_TABLE_RSDP *Rsdp; - ACPI_NATIVE_UINT TableEntrySize; - ACPI_NATIVE_UINT i; - UINT32 TableCount; - ACPI_TABLE_HEADER *Table; - ACPI_PHYSICAL_ADDRESS Address; - UINT32 Length; - UINT8 *TableEntry; - ACPI_STATUS Status; - - - ACPI_FUNCTION_TRACE (TbParseRootTable); - - - /* - * Map the entire RSDP and extract the address of the RSDT or XSDT - */ - Rsdp = AcpiOsMapMemory (RsdpAddress, sizeof (ACPI_TABLE_RSDP)); - if (!Rsdp) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - AcpiTbPrintTableHeader (RsdpAddress, ACPI_CAST_PTR (ACPI_TABLE_HEADER, Rsdp)); - - /* Differentiate between RSDT and XSDT root tables */ - - if (Rsdp->Revision > 1 && Rsdp->XsdtPhysicalAddress) - { - /* - * Root table is an XSDT (64-bit physical addresses). We must use the - * XSDT if the revision is > 1 and the XSDT pointer is present, as per - * the ACPI specification. - */ - Address = (ACPI_PHYSICAL_ADDRESS) Rsdp->XsdtPhysicalAddress; - TableEntrySize = sizeof (UINT64); - } - else - { - /* Root table is an RSDT (32-bit physical addresses) */ - - Address = (ACPI_PHYSICAL_ADDRESS) Rsdp->RsdtPhysicalAddress; - TableEntrySize = sizeof (UINT32); - } - - /* - * It is not possible to map more than one entry in some environments, - * so unmap the RSDP here before mapping other tables - */ - AcpiOsUnmapMemory (Rsdp, sizeof (ACPI_TABLE_RSDP)); - - - /* Map the RSDT/XSDT table header to get the full table length */ - - Table = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER)); - if (!Table) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - AcpiTbPrintTableHeader (Address, Table); - - /* Get the length of the full table, verify length and map entire table */ - - Length = Table->Length; - AcpiOsUnmapMemory (Table, sizeof (ACPI_TABLE_HEADER)); - - if (Length < sizeof (ACPI_TABLE_HEADER)) - { - ACPI_ERROR ((AE_INFO, "Invalid length 0x%X in RSDT/XSDT", Length)); - return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); - } - - Table = AcpiOsMapMemory (Address, Length); - if (!Table) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Validate the root table checksum */ - - Status = AcpiTbVerifyChecksum (Table, Length); - if (ACPI_FAILURE (Status)) - { - AcpiOsUnmapMemory (Table, Length); - return_ACPI_STATUS (Status); - } - - /* Calculate the number of tables described in the root table */ - - TableCount = (UINT32) ((Table->Length - sizeof (ACPI_TABLE_HEADER)) / TableEntrySize); - - /* - * First two entries in the table array are reserved for the DSDT and FACS, - * which are not actually present in the RSDT/XSDT - they come from the FADT - */ - TableEntry = ACPI_CAST_PTR (UINT8, Table) + sizeof (ACPI_TABLE_HEADER); - AcpiGbl_RootTableList.Count = 2; - - /* - * Initialize the root table array from the RSDT/XSDT - */ - for (i = 0; i < TableCount; i++) - { - if (AcpiGbl_RootTableList.Count >= AcpiGbl_RootTableList.Size) - { - /* There is no more room in the root table array, attempt resize */ - - Status = AcpiTbResizeRootTableList (); - if (ACPI_FAILURE (Status)) - { - ACPI_WARNING ((AE_INFO, "Truncating %u table entries!", - (unsigned) (AcpiGbl_RootTableList.Size - AcpiGbl_RootTableList.Count))); - break; - } - } - - /* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */ - - AcpiGbl_RootTableList.Tables[AcpiGbl_RootTableList.Count].Address = - AcpiTbGetRootTableEntry (TableEntry, TableEntrySize); - - TableEntry += TableEntrySize; - AcpiGbl_RootTableList.Count++; - } - - /* - * It is not possible to map more than one entry in some environments, - * so unmap the root table here before mapping other tables - */ - AcpiOsUnmapMemory (Table, Length); - - /* - * Complete the initialization of the root table array by examining - * the header of each table - */ - for (i = 2; i < AcpiGbl_RootTableList.Count; i++) - { - AcpiTbInstallTable (AcpiGbl_RootTableList.Tables[i].Address, - Flags, NULL, i); - - /* Special case for FADT - get the DSDT and FACS */ - - if (ACPI_COMPARE_NAME ( - &AcpiGbl_RootTableList.Tables[i].Signature, ACPI_SIG_FADT)) - { - AcpiTbParseFadt (i, Flags); - } - } - - return_ACPI_STATUS (AE_OK); -} |
