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/******************************************************************************
*
* 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_MEMCPY (LocalRSDP.Signature, ACPI_SIG_RSDP, 8);
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);
}
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