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Diffstat (limited to 'sys/contrib/dev/acpica/tbconvrt.c')
| -rw-r--r-- | sys/contrib/dev/acpica/tbconvrt.c | 573 |
1 files changed, 573 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/tbconvrt.c b/sys/contrib/dev/acpica/tbconvrt.c new file mode 100644 index 0000000..0490767 --- /dev/null +++ b/sys/contrib/dev/acpica/tbconvrt.c @@ -0,0 +1,573 @@ +/****************************************************************************** + * + * Module Name: tbconvrt - ACPI Table conversion utilities + * $Revision: 45 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 __TBCONVRT_C__ + +#include "acpi.h" +#include "actables.h" + + +#define _COMPONENT ACPI_TABLES + ACPI_MODULE_NAME ("tbconvrt") + + +/******************************************************************************* + * + * FUNCTION: AcpiTbGetTableCount + * + * PARAMETERS: RSDP - Pointer to the RSDP + * RSDT - Pointer to the RSDT/XSDT + * + * RETURN: The number of tables pointed to by the RSDT or XSDT. + * + * DESCRIPTION: Calculate the number of tables. Automatically handles either + * an RSDT or XSDT. + * + ******************************************************************************/ + +UINT32 +AcpiTbGetTableCount ( + RSDP_DESCRIPTOR *RSDP, + ACPI_TABLE_HEADER *RSDT) +{ + UINT32 PointerSize; + + + ACPI_FUNCTION_ENTRY (); + + +#if ACPI_MACHINE_WIDTH != 64 + + if (RSDP->Revision < 2) + { + PointerSize = sizeof (UINT32); + } + else +#endif + { + PointerSize = sizeof (UINT64); + } + + /* + * Determine the number of tables pointed to by the RSDT/XSDT. + * This is defined by the ACPI Specification to be the number of + * pointers contained within the RSDT/XSDT. The size of the pointers + * is architecture-dependent. + */ + return ((RSDT->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbConvertToXsdt + * + * PARAMETERS: TableInfo - Info about the RSDT + * + * RETURN: Status + * + * DESCRIPTION: Convert an RSDT to an XSDT (internal common format) + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbConvertToXsdt ( + ACPI_TABLE_DESC *TableInfo) +{ + ACPI_SIZE TableSize; + UINT32 i; + XSDT_DESCRIPTOR *NewTable; + + + ACPI_FUNCTION_ENTRY (); + + + /* Compute size of the converted XSDT */ + + TableSize = ((ACPI_SIZE) AcpiGbl_RsdtTableCount * sizeof (UINT64)) + + sizeof (ACPI_TABLE_HEADER); + + /* Allocate an XSDT */ + + NewTable = ACPI_MEM_CALLOCATE (TableSize); + if (!NewTable) + { + return (AE_NO_MEMORY); + } + + /* Copy the header and set the length */ + + ACPI_MEMCPY (NewTable, TableInfo->Pointer, sizeof (ACPI_TABLE_HEADER)); + NewTable->Header.Length = (UINT32) TableSize; + + /* Copy the table pointers */ + + for (i = 0; i < AcpiGbl_RsdtTableCount; i++) + { + if (AcpiGbl_RSDP->Revision < 2) + { + ACPI_STORE_ADDRESS (NewTable->TableOffsetEntry[i], + ((RSDT_DESCRIPTOR_REV1 *) TableInfo->Pointer)->TableOffsetEntry[i]); + } + else + { + NewTable->TableOffsetEntry[i] = + ((XSDT_DESCRIPTOR *) TableInfo->Pointer)->TableOffsetEntry[i]; + } + } + + /* Delete the original table (either mapped or in a buffer) */ + + AcpiTbDeleteSingleTable (TableInfo); + + /* Point the table descriptor to the new table */ + + TableInfo->Pointer = (ACPI_TABLE_HEADER *) NewTable; + TableInfo->Length = TableSize; + TableInfo->Allocation = ACPI_MEM_ALLOCATED; + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbConvertFadt1 + * + * PARAMETERS: LocalFadt - Pointer to new FADT + * OriginalFadt - Pointer to old FADT + * + * RETURN: Populates LocalFadt + * + * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format + * + ******************************************************************************/ + +static void +AcpiTbConvertFadt1 ( + FADT_DESCRIPTOR_REV2 *LocalFadt, + FADT_DESCRIPTOR_REV1 *OriginalFadt) +{ + + + /* ACPI 1.0 FACS */ + /* The BIOS stored FADT should agree with Revision 1.0 */ + + /* + * Copy the table header and the common part of the tables. + * + * The 2.0 table is an extension of the 1.0 table, so the entire 1.0 + * table can be copied first, then expand some fields to 64 bits. + */ + ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV1)); + + /* Convert table pointers to 64-bit fields */ + + ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl, LocalFadt->V1_FirmwareCtrl); + ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt); + + /* + * System Interrupt Model isn't used in ACPI 2.0 (LocalFadt->Reserved1 = 0;) + */ + + /* + * This field is set by the OEM to convey the preferred power management + * profile to OSPM. It doesn't have any 1.0 equivalence. Since we don't + * know what kind of 32-bit system this is, we will use "unspecified". + */ + LocalFadt->Prefer_PM_Profile = PM_UNSPECIFIED; + + /* + * Processor Performance State Control. This is the value OSPM writes to + * the SMI_CMD register to assume processor performance state control + * responsibility. There isn't any equivalence in 1.0, leave it zeroed. + */ + LocalFadt->PstateCnt = 0; + + /* + * Support for the _CST object and C States change notification. + * This data item hasn't any 1.0 equivalence so leave it zero. + */ + LocalFadt->CstCnt = 0; + + /* + * Since there isn't any equivalence in 1.0 and since it highly likely + * that a 1.0 system has legacy support. + */ + LocalFadt->IapcBootArch = BAF_LEGACY_DEVICES; + + /* + * Convert the V1.0 block addresses to V2.0 GAS structures + */ + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aEvtBlk, LocalFadt->Pm1EvtLen, LocalFadt->V1_Pm1aEvtBlk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bEvtBlk, LocalFadt->Pm1EvtLen, LocalFadt->V1_Pm1bEvtBlk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aCntBlk, LocalFadt->Pm1CntLen, LocalFadt->V1_Pm1aCntBlk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bCntBlk, LocalFadt->Pm1CntLen, LocalFadt->V1_Pm1bCntBlk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm2CntBlk, LocalFadt->Pm2CntLen, LocalFadt->V1_Pm2CntBlk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPmTmrBlk, LocalFadt->PmTmLen, LocalFadt->V1_PmTmrBlk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe0Blk, LocalFadt->Gpe0BlkLen, LocalFadt->V1_Gpe0Blk); + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe1Blk, LocalFadt->Gpe1BlkLen, LocalFadt->V1_Gpe1Blk); + +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbConvertFadt2 + * + * PARAMETERS: LocalFadt - Pointer to new FADT + * OriginalFadt - Pointer to old FADT + * + * RETURN: Populates LocalFadt + * + * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format. + * Handles optional "X" fields. + * + ******************************************************************************/ + +static void +AcpiTbConvertFadt2 ( + FADT_DESCRIPTOR_REV2 *LocalFadt, + FADT_DESCRIPTOR_REV2 *OriginalFadt) +{ + + /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */ + + ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV2)); + + /* + * "X" fields are optional extensions to the original V1.0 fields, so + * we must selectively expand V1.0 fields if the corresponding X field + * is zero. + */ + if (!(ACPI_GET_ADDRESS (LocalFadt->XFirmwareCtrl))) + { + ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl, LocalFadt->V1_FirmwareCtrl); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XDsdt))) + { + ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aEvtBlk, + LocalFadt->Pm1EvtLen, LocalFadt->V1_Pm1aEvtBlk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bEvtBlk, + LocalFadt->Pm1EvtLen, LocalFadt->V1_Pm1bEvtBlk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aCntBlk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1aCntBlk, + LocalFadt->Pm1CntLen, LocalFadt->V1_Pm1aCntBlk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bCntBlk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm1bCntBlk, + LocalFadt->Pm1CntLen, LocalFadt->V1_Pm1bCntBlk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XPm2CntBlk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPm2CntBlk, + LocalFadt->Pm2CntLen, LocalFadt->V1_Pm2CntBlk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XPmTmrBlk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XPmTmrBlk, + LocalFadt->PmTmLen, LocalFadt->V1_PmTmrBlk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe0Blk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe0Blk, + LocalFadt->Gpe0BlkLen, LocalFadt->V1_Gpe0Blk); + } + + if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe1Blk.Address))) + { + ASL_BUILD_GAS_FROM_V1_ENTRY (LocalFadt->XGpe1Blk, + LocalFadt->Gpe1BlkLen, LocalFadt->V1_Gpe1Blk); + } +} + +/******************************************************************************* + * + * FUNCTION: AcpiTbConvertTableFadt + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Converts a BIOS supplied ACPI 1.0 FADT to a local + * ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply + * copied to the local FADT. The ACPI CA software uses this + * local FADT. Thus a significant amount of special #ifdef + * type codeing is saved. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbConvertTableFadt (void) +{ + FADT_DESCRIPTOR_REV2 *LocalFadt; + ACPI_TABLE_DESC *TableDesc; + + + ACPI_FUNCTION_TRACE ("TbConvertTableFadt"); + + + /* + * AcpiGbl_FADT is valid + * Allocate and zero the 2.0 FADT buffer + */ + LocalFadt = ACPI_MEM_CALLOCATE (sizeof (FADT_DESCRIPTOR_REV2)); + if (LocalFadt == NULL) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* + * FADT length and version validation. The table must be at least as + * long as the version 1.0 FADT + */ + if (AcpiGbl_FADT->Header.Length < sizeof (FADT_DESCRIPTOR_REV1)) + { + ACPI_REPORT_ERROR (("Invalid FADT table length: 0x%X\n", AcpiGbl_FADT->Header.Length)); + return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); + } + + if (AcpiGbl_FADT->Header.Revision >= FADT2_REVISION_ID) + { + if (AcpiGbl_FADT->Header.Length < sizeof (FADT_DESCRIPTOR_REV2)) + { + /* Length is too short to be a V2.0 table */ + + ACPI_REPORT_WARNING (("Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n", + AcpiGbl_FADT->Header.Length, AcpiGbl_FADT->Header.Revision)); + + AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT); + } + else + { + /* Valid V2.0 table */ + + AcpiTbConvertFadt2 (LocalFadt, AcpiGbl_FADT); + } + } + else + { + /* Valid V1.0 table */ + + AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT); + } + + /* + * Global FADT pointer will point to the new common V2.0 FADT + */ + AcpiGbl_FADT = LocalFadt; + AcpiGbl_FADT->Header.Length = sizeof (FADT_DESCRIPTOR); + + /* Free the original table */ + + TableDesc = &AcpiGbl_AcpiTables[ACPI_TABLE_FADT]; + AcpiTbDeleteSingleTable (TableDesc); + + /* Install the new table */ + + TableDesc->Pointer = (ACPI_TABLE_HEADER *) AcpiGbl_FADT; + TableDesc->Allocation = ACPI_MEM_ALLOCATED; + TableDesc->Length = sizeof (FADT_DESCRIPTOR_REV2); + + /* Dump the entire FADT */ + + ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, + "Hex dump of common internal FADT, size %d (%X)\n", + AcpiGbl_FADT->Header.Length, AcpiGbl_FADT->Header.Length)); + ACPI_DUMP_BUFFER ((UINT8 *) (AcpiGbl_FADT), AcpiGbl_FADT->Header.Length); + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbConvertTableFacs + * + * PARAMETERS: TableInfo - Info for currently installad FACS + * + * RETURN: Status + * + * DESCRIPTION: Convert ACPI 1.0 and ACPI 2.0 FACS to a common internal + * table format. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbBuildCommonFacs ( + ACPI_TABLE_DESC *TableInfo) +{ + + ACPI_FUNCTION_TRACE ("TbBuildCommonFacs"); + + + /* Absolute minimum length is 24, but the ACPI spec says 64 */ + + if (AcpiGbl_FACS->Length < 24) + { + ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n", AcpiGbl_FACS->Length)); + return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); + } + + if (AcpiGbl_FACS->Length < 64) + { + ACPI_REPORT_WARNING (("FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n", + AcpiGbl_FACS->Length)); + } + + /* Copy fields to the new FACS */ + + AcpiGbl_CommonFACS.GlobalLock = &(AcpiGbl_FACS->GlobalLock); + + if ((AcpiGbl_RSDP->Revision < 2) || + (AcpiGbl_FACS->Length < 32) || + (!(ACPI_GET_ADDRESS (AcpiGbl_FACS->XFirmwareWakingVector)))) + { + /* ACPI 1.0 FACS or short table or optional X_ field is zero */ + + AcpiGbl_CommonFACS.FirmwareWakingVector = ACPI_CAST_PTR (UINT64, &(AcpiGbl_FACS->FirmwareWakingVector)); + AcpiGbl_CommonFACS.VectorWidth = 32; + } + else + { + /* ACPI 2.0 FACS with valid X_ field */ + + AcpiGbl_CommonFACS.FirmwareWakingVector = &AcpiGbl_FACS->XFirmwareWakingVector; + AcpiGbl_CommonFACS.VectorWidth = 64; + } + + return_ACPI_STATUS (AE_OK); +} + + |
