462 lines
15 KiB
C
462 lines
15 KiB
C
/******************************************************************************
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*
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* Module Name: aslrestype2 - Miscellaneous Large resource descriptors
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2012, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "amlcode.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslrestype2")
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/*
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* This module contains miscellaneous large resource descriptors:
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*
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* Register
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* Interrupt
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* VendorLong
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*/
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/*******************************************************************************
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*
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* FUNCTION: RsDoGeneralRegisterDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a long "Register" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoGeneralRegisterDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ASL_RESOURCE_NODE *Rnode;
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UINT32 i;
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER));
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Descriptor = Rnode->Buffer;
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Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
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Descriptor->GenericReg.ResourceLength = 12;
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* Address space */
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Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
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break;
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case 1: /* Register Bit Width */
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Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
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CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
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break;
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case 2: /* Register Bit Offset */
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Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
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CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
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break;
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case 3: /* Register Address */
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Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
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RsCreateQwordField (InitializerOp, ACPI_RESTAG_ADDRESS,
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CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
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break;
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case 4: /* Access Size (ACPI 3.0) */
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Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));
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if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
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InitializerOp, NULL);
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}
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break;
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case 5: /* ResourceTag (ACPI 3.0b) */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
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break;
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}
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoInterruptDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a long "Interrupt" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoInterruptDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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AML_RESOURCE *Rover = NULL;
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ACPI_PARSE_OBJECT *InitializerOp;
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ASL_RESOURCE_NODE *Rnode;
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UINT16 StringLength = 0;
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UINT32 OptionIndex = 0;
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UINT32 i;
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BOOLEAN HasResSourceIndex = FALSE;
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UINT8 ResSourceIndex = 0;
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UINT8 *ResSourceString = NULL;
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InitializerOp = Op->Asl.Child;
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StringLength = RsGetStringDataLength (InitializerOp);
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/* Count the interrupt numbers */
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for (i = 0; InitializerOp; i++)
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{
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InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
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if (i <= 6)
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{
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if (i == 3 &&
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InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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/*
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* ResourceSourceIndex was specified, always make room for
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* it, even if the ResourceSource was omitted.
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*/
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OptionIndex++;
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}
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continue;
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}
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OptionIndex += 4;
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}
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
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1 + OptionIndex + StringLength);
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Descriptor = Rnode->Buffer;
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Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
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/*
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* Initial descriptor length -- may be enlarged if there are
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* optional fields present
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*/
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Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */
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Descriptor->ExtendedIrq.InterruptCount = 0;
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Rover = ACPI_CAST_PTR (AML_RESOURCE,
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(&(Descriptor->ExtendedIrq.Interrupts[0])));
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* Resource Usage (Default: consumer (1) */
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RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
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break;
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case 1: /* Interrupt Type (or Mode - edge/level) */
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RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
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break;
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case 2: /* Interrupt Level (or Polarity - Active high/low) */
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RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
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CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
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break;
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case 3: /* Share Type - Default: exclusive (0) */
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RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
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break;
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case 4: /* ResSourceIndex [Optional Field - BYTE] */
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if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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HasResSourceIndex = TRUE;
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ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
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}
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break;
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case 5: /* ResSource [Optional Field - STRING] */
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if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
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(InitializerOp->Asl.Value.String))
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{
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if (StringLength)
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{
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ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
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}
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/* ResourceSourceIndex must also be valid */
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if (!HasResSourceIndex)
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{
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AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
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InitializerOp, NULL);
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}
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}
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#if 0
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/*
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* Not a valid ResourceSource, ResourceSourceIndex must also
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* be invalid
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*/
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else if (HasResSourceIndex)
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{
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AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
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InitializerOp, NULL);
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}
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#endif
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break;
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case 6: /* ResourceTag */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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/*
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* Interrupt Numbers come through here, repeatedly
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*/
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/* Maximum 255 interrupts allowed for this descriptor */
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if (Descriptor->ExtendedIrq.InterruptCount == 255)
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{
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AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
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InitializerOp, NULL);
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return (Rnode);
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}
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/* Each interrupt number must be a 32-bit value */
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if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
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{
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AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
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InitializerOp, NULL);
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}
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/* Save the integer and move pointer to the next one */
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Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
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Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
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Descriptor->ExtendedIrq.InterruptCount++;
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Descriptor->ExtendedIrq.ResourceLength += 4;
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/* Case 7: First interrupt number in list */
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if (i == 7)
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{
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if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
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{
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/* Must be at least one interrupt */
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AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
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InitializerOp, NULL);
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}
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/* Check now for duplicates in list */
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RsCheckListForDuplicates (InitializerOp);
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/* Create a named field at the start of the list */
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RsCreateDwordField (InitializerOp, ACPI_RESTAG_INTERRUPT,
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CurrentByteOffset +
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ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
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}
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}
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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/* Add optional ResSourceIndex if present */
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if (HasResSourceIndex)
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{
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Rover->ByteItem = ResSourceIndex;
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Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
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Descriptor->ExtendedIrq.ResourceLength += 1;
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}
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/* Add optional ResSource string if present */
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if (StringLength && ResSourceString)
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{
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strcpy ((char *) Rover, (char *) ResSourceString);
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Rover = ACPI_ADD_PTR (
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AML_RESOURCE, &(Rover->ByteItem), StringLength);
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Descriptor->ExtendedIrq.ResourceLength = (UINT16)
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(Descriptor->ExtendedIrq.ResourceLength + StringLength);
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}
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Rnode->BufferLength = (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) -
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ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType))
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+ OptionIndex + StringLength;
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoVendorLargeDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a long "VendorLong" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoVendorLargeDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ASL_RESOURCE_NODE *Rnode;
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UINT8 *VendorData;
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UINT32 i;
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/* Count the number of data bytes */
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InitializerOp = Op->Asl.Child;
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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for (i = 0; InitializerOp; i++)
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{
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if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
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{
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break;
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}
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InitializerOp = InitializerOp->Asl.Next;
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}
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InitializerOp = Op->Asl.Child;
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
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Descriptor = Rnode->Buffer;
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Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE;
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Descriptor->VendorLarge.ResourceLength = (UINT16) i;
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/* Point to end-of-descriptor for vendor data */
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VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
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{
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break;
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}
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VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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return (Rnode);
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}
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