/****************************************************************************** * * Module Name: antables - ACPI table setup/install for AcpiNames utility * *****************************************************************************/ /* * Copyright (C) 2000 - 2013, Intel Corp. * 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 "acpinames.h" #define _COMPONENT ACPI_TOOLS ACPI_MODULE_NAME ("antables") /* Local prototypes */ ACPI_PHYSICAL_ADDRESS AeLocalGetRootPointer ( void); /* Non-AML tables that are constructed locally and installed */ static ACPI_TABLE_RSDP LocalRSDP; static ACPI_TABLE_FACS LocalFACS; /* * We need a local FADT so that the hardware subcomponent will function, * even though the underlying OSD HW access functions don't do anything. */ static ACPI_TABLE_FADT LocalFADT; /* * Use XSDT so that both 32- and 64-bit versions of this utility will * function automatically. */ static ACPI_TABLE_XSDT *LocalXSDT; #define BASE_XSDT_TABLES 1 #define BASE_XSDT_SIZE (sizeof (ACPI_TABLE_XSDT) + \ ((BASE_XSDT_TABLES -1) * sizeof (UINT64))) ACPI_TABLE_DESC Tables[ACPI_MAX_INIT_TABLES]; /****************************************************************************** * * FUNCTION: AeBuildLocalTables * * PARAMETERS: TableCount - Number of tables on the command line * TableList - List of actual tables from files * * RETURN: Status * * DESCRIPTION: Build a complete ACPI table chain, with a local RSDP, XSDT, * FADT, FACS, and the input DSDT/SSDT. * *****************************************************************************/ ACPI_STATUS AeBuildLocalTables ( UINT32 TableCount, AE_TABLE_DESC *TableList) { ACPI_PHYSICAL_ADDRESS DsdtAddress = 0; UINT32 XsdtSize; AE_TABLE_DESC *NextTable; UINT32 NextIndex; ACPI_TABLE_FADT *ExternalFadt = NULL; /* * Update the table count. For DSDT, it is not put into the XSDT. For * FADT, this is already accounted for since we usually install a * local FADT. */ NextTable = TableList; while (NextTable) { if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT) || ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT)) { TableCount--; } NextTable = NextTable->Next; } XsdtSize = BASE_XSDT_SIZE + (TableCount * sizeof (UINT64)); /* Build an XSDT */ LocalXSDT = AcpiOsAllocate (XsdtSize); if (!LocalXSDT) { return (AE_NO_MEMORY); } ACPI_MEMSET (LocalXSDT, 0, XsdtSize); ACPI_MOVE_NAME (LocalXSDT->Header.Signature, ACPI_SIG_XSDT); LocalXSDT->Header.Length = XsdtSize; LocalXSDT->Header.Revision = 1; LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalFADT); /* * Install the user tables. The DSDT must be installed in the FADT. * All other tables are installed directly into the XSDT. */ NextIndex = BASE_XSDT_TABLES; NextTable = TableList; while (NextTable) { /* * Incoming DSDT or FADT are special cases. All other tables are * just immediately installed into the XSDT. */ if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_DSDT)) { if (DsdtAddress) { printf ("Already found a DSDT, only one allowed\n"); return (AE_ALREADY_EXISTS); } /* The incoming user table is a DSDT */ DsdtAddress = ACPI_PTR_TO_PHYSADDR (NextTable->Table); } else if (ACPI_COMPARE_NAME (NextTable->Table->Signature, ACPI_SIG_FADT)) { ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table); LocalXSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); } else { /* Install the table in the XSDT */ LocalXSDT->TableOffsetEntry[NextIndex] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); NextIndex++; } NextTable = NextTable->Next; } /* Build an RSDP */ ACPI_MEMSET (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP)); ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature); ACPI_MEMCPY (LocalRSDP.OemId, "I_TEST", 6); LocalRSDP.Revision = 2; LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT); LocalRSDP.Length = sizeof (ACPI_TABLE_XSDT); /* Set checksums for both XSDT and RSDP */ LocalXSDT->Header.Checksum = (UINT8) -AcpiTbChecksum ( (void *) LocalXSDT, LocalXSDT->Header.Length); LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum ( (void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH); if (!DsdtAddress) { return (AE_SUPPORT); } if (ExternalFadt) { /* * Use the external FADT, but we must update the DSDT/FACS addresses * as well as the checksum */ ExternalFadt->Dsdt = DsdtAddress; ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); if (ExternalFadt->Header.Length > ACPI_PTR_DIFF (&ExternalFadt->XDsdt, ExternalFadt)) { ExternalFadt->XDsdt = DsdtAddress; ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); } /* Complete the FADT with the checksum */ ExternalFadt->Header.Checksum = 0; ExternalFadt->Header.Checksum = (UINT8) -AcpiTbChecksum ( (void *) ExternalFadt, ExternalFadt->Header.Length); } else { /* * Build a local FADT so we can test the hardware/event init */ ACPI_MEMSET (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT)); ACPI_MOVE_NAME (LocalFADT.Header.Signature, ACPI_SIG_FADT); /* Setup FADT header and DSDT/FACS addresses */ LocalFADT.Dsdt = 0; LocalFADT.Facs = 0; LocalFADT.XDsdt = DsdtAddress; LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); LocalFADT.Header.Revision = 3; LocalFADT.Header.Length = sizeof (ACPI_TABLE_FADT); /* Miscellaneous FADT fields */ LocalFADT.Gpe0BlockLength = 16; LocalFADT.Gpe0Block = 0x00001234; LocalFADT.Gpe1BlockLength = 6; LocalFADT.Gpe1Block = 0x00005678; LocalFADT.Gpe1Base = 96; LocalFADT.Pm1EventLength = 4; LocalFADT.Pm1aEventBlock = 0x00001aaa; LocalFADT.Pm1bEventBlock = 0x00001bbb; LocalFADT.Pm1ControlLength = 2; LocalFADT.Pm1aControlBlock = 0xB0; LocalFADT.PmTimerLength = 4; LocalFADT.PmTimerBlock = 0xA0; LocalFADT.Pm2ControlBlock = 0xC0; LocalFADT.Pm2ControlLength = 1; /* Setup one example X-64 field */ LocalFADT.XPm1bEventBlock.SpaceId = ACPI_ADR_SPACE_SYSTEM_IO; LocalFADT.XPm1bEventBlock.Address = LocalFADT.Pm1bEventBlock; LocalFADT.XPm1bEventBlock.BitWidth = (UINT8) ACPI_MUL_8 (LocalFADT.Pm1EventLength); /* Complete the FADT with the checksum */ LocalFADT.Header.Checksum = 0; LocalFADT.Header.Checksum = (UINT8) -AcpiTbChecksum ( (void *) &LocalFADT, LocalFADT.Header.Length); } /* Build a FACS */ ACPI_MEMSET (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS)); ACPI_MOVE_NAME (LocalFACS.Signature, ACPI_SIG_FACS); LocalFACS.Length = sizeof (ACPI_TABLE_FACS); LocalFACS.GlobalLock = 0x11AA0011; return (AE_OK); } /****************************************************************************** * * FUNCTION: AeLocalGetRootPointer * * PARAMETERS: None * * RETURN: Address of the RSDP * * DESCRIPTION: Return a local RSDP, used to dynamically load tables via the * standard ACPI mechanism. * *****************************************************************************/ ACPI_PHYSICAL_ADDRESS AeLocalGetRootPointer ( void) { return ((ACPI_PHYSICAL_ADDRESS) &LocalRSDP); }