/****************************************************************************** * * Module Name: antables - ACPI table setup/install for AcpiNames utility * *****************************************************************************/ /* * Copyright (C) 2000 - 2019, 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 */ static void AnInitializeTableHeader ( ACPI_TABLE_HEADER *Header, char *Signature, UINT32 Length); /* 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))) /****************************************************************************** * * FUNCTION: AnInitializeTableHeader * * PARAMETERS: Header - A valid standard ACPI table header * Signature - Signature to insert * Length - Length of the table * * RETURN: None. Header is modified. * * DESCRIPTION: Initialize the table header for a local ACPI table. * *****************************************************************************/ static void AnInitializeTableHeader ( ACPI_TABLE_HEADER *Header, char *Signature, UINT32 Length) { ACPI_COPY_NAMESEG (Header->Signature, Signature); Header->Length = Length; Header->OemRevision = 0x1001; memcpy (Header->OemId, "Intel ", ACPI_OEM_ID_SIZE); memcpy (Header->OemTableId, "AcpiExec", ACPI_OEM_TABLE_ID_SIZE); ACPI_COPY_NAMESEG (Header->AslCompilerId, "INTL"); Header->AslCompilerRevision = ACPI_CA_VERSION; /* Set the checksum, must set to zero first */ Header->Checksum = 0; Header->Checksum = (UINT8) -AcpiTbChecksum ( (void *) Header, Header->Length); } /****************************************************************************** * * FUNCTION: AnBuildLocalTables * * 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 AnBuildLocalTables ( ACPI_NEW_TABLE_DESC *TableList) { UINT32 TableCount = 0; ACPI_PHYSICAL_ADDRESS DsdtAddress = 0; UINT32 XsdtSize; ACPI_NEW_TABLE_DESC *NextTable; UINT32 NextIndex; ACPI_TABLE_FADT *ExternalFadt = NULL; /* * Update the table count. For the DSDT, it is not put into the XSDT. * For the FADT, this table is already accounted for since we usually * install a local FADT. */ NextTable = TableList; while (NextTable) { if (!ACPI_COMPARE_NAMESEG (NextTable->Table->Signature, ACPI_SIG_DSDT) && !ACPI_COMPARE_NAMESEG (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); } memset (LocalXSDT, 0, XsdtSize); 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. * * Note: The tables are loaded in reverse order from the incoming * input, which makes it match the command line order. */ 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_NAMESEG (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_NAMESEG (NextTable->Table->Signature, ACPI_SIG_FADT)) { ExternalFadt = ACPI_CAST_PTR (ACPI_TABLE_FADT, NextTable->Table); LocalXSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); } else { /* Install the table in the XSDT */ LocalXSDT->TableOffsetEntry[TableCount - NextIndex + 1] = ACPI_PTR_TO_PHYSADDR (NextTable->Table); NextIndex++; } NextTable = NextTable->Next; } /* Build an RSDP. Contains a valid XSDT only, no RSDT */ memset (&LocalRSDP, 0, sizeof (ACPI_TABLE_RSDP)); ACPI_MAKE_RSDP_SIG (LocalRSDP.Signature); memcpy (LocalRSDP.OemId, "Intel", 6); LocalRSDP.Revision = 2; LocalRSDP.XsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalXSDT); LocalRSDP.Length = sizeof (ACPI_TABLE_XSDT); /* Set checksums for both XSDT and RSDP */ AnInitializeTableHeader ((void *) LocalXSDT, ACPI_SIG_XSDT, XsdtSize); LocalRSDP.Checksum = 0; LocalRSDP.Checksum = (UINT8) -AcpiTbChecksum ( (void *) &LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH); if (!DsdtAddress) { return (AE_SUPPORT); } /* * Build an FADT. There are two options for the FADT: * 1) Incoming external FADT specified on the command line * 2) A fully featured local FADT */ memset (&LocalFADT, 0, sizeof (ACPI_TABLE_FADT)); if (ExternalFadt) { /* * Use the external FADT, but we must update the DSDT/FACS * addresses as well as the checksum */ ExternalFadt->Dsdt = (UINT32) DsdtAddress; ExternalFadt->Facs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); /* * If there room in the FADT for the XDsdt and XFacs 64-bit * pointers, use them. */ if (ExternalFadt->Header.Length > ACPI_PTR_DIFF ( &ExternalFadt->XDsdt, ExternalFadt)) { ExternalFadt->Dsdt = 0; ExternalFadt->Facs = 0; ExternalFadt->XDsdt = DsdtAddress; ExternalFadt->XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); } /* Complete the external 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 */ LocalFADT.Header.Revision = 5; /* Setup FADT header and DSDT/FACS addresses */ LocalFADT.Dsdt = 0; LocalFADT.Facs = 0; LocalFADT.XDsdt = DsdtAddress; LocalFADT.XFacs = ACPI_PTR_TO_PHYSADDR (&LocalFACS); /* 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); } AnInitializeTableHeader ((void *) &LocalFADT, ACPI_SIG_FADT, sizeof (ACPI_TABLE_FADT)); /* Build a FACS */ memset (&LocalFACS, 0, sizeof (ACPI_TABLE_FACS)); ACPI_COPY_NAMESEG (LocalFACS.Signature, ACPI_SIG_FACS); LocalFACS.Length = sizeof (ACPI_TABLE_FACS); LocalFACS.GlobalLock = 0x11AA0011; return (AE_OK); } /****************************************************************************** * * FUNCTION: AcpiOsGetRootPointer * * 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 AcpiOsGetRootPointer ( void) { return (ACPI_PTR_TO_PHYSADDR (&LocalRSDP)); }