/****************************************************************************** * * Module Name: aslrestype2 - Miscellaneous Large resource descriptors * *****************************************************************************/ /* * Copyright (C) 2000 - 2011, 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 #include "aslcompiler.y.h" #include #define _COMPONENT ACPI_COMPILER ACPI_MODULE_NAME ("aslrestype2") /* * This module contains miscellaneous large resource descriptors: * * Register * Interrupt * VendorLong */ /******************************************************************************* * * FUNCTION: RsDoGeneralRegisterDescriptor * * PARAMETERS: Op - Parent resource descriptor parse node * CurrentByteOffset - Offset into the resource template AML * buffer (to track references to the desc) * * RETURN: Completed resource node * * DESCRIPTION: Construct a long "Register" descriptor * ******************************************************************************/ ASL_RESOURCE_NODE * RsDoGeneralRegisterDescriptor ( ACPI_PARSE_OBJECT *Op, UINT32 CurrentByteOffset) { AML_RESOURCE *Descriptor; ACPI_PARSE_OBJECT *InitializerOp; ASL_RESOURCE_NODE *Rnode; UINT32 i; InitializerOp = Op->Asl.Child; Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER)); Descriptor = Rnode->Buffer; Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER; Descriptor->GenericReg.ResourceLength = 12; /* Process all child initialization nodes */ for (i = 0; InitializerOp; i++) { switch (i) { case 0: /* Address space */ Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer; RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE, CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId)); break; case 1: /* Register Bit Width */ Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer; RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH, CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth)); break; case 2: /* Register Bit Offset */ Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer; RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET, CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset)); break; case 3: /* Register Address */ Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer; RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESS, CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address)); break; case 4: /* Access Size (ACPI 3.0) */ Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer; RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE, CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize)); if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD) { AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE, InitializerOp, NULL); } break; case 5: /* ResourceTag (ACPI 3.0b) */ UtAttachNamepathToOwner (Op, InitializerOp); break; default: AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL); break; } InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); } return (Rnode); } /******************************************************************************* * * FUNCTION: RsDoInterruptDescriptor * * PARAMETERS: Op - Parent resource descriptor parse node * CurrentByteOffset - Offset into the resource template AML * buffer (to track references to the desc) * * RETURN: Completed resource node * * DESCRIPTION: Construct a long "Interrupt" descriptor * ******************************************************************************/ ASL_RESOURCE_NODE * RsDoInterruptDescriptor ( ACPI_PARSE_OBJECT *Op, UINT32 CurrentByteOffset) { AML_RESOURCE *Descriptor; AML_RESOURCE *Rover = NULL; ACPI_PARSE_OBJECT *InitializerOp; ASL_RESOURCE_NODE *Rnode; UINT16 StringLength = 0; UINT32 OptionIndex = 0; UINT32 i; BOOLEAN HasResSourceIndex = FALSE; UINT8 ResSourceIndex = 0; UINT8 *ResSourceString = NULL; InitializerOp = Op->Asl.Child; StringLength = RsGetStringDataLength (InitializerOp); /* Count the interrupt numbers */ for (i = 0; InitializerOp; i++) { InitializerOp = ASL_GET_PEER_NODE (InitializerOp); if (i <= 6) { if (i == 3 && InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) { /* * ResourceSourceIndex was specified, always make room for * it, even if the ResourceSource was omitted. */ OptionIndex++; } continue; } OptionIndex += 4; } InitializerOp = Op->Asl.Child; Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) + 1 + OptionIndex + StringLength); Descriptor = Rnode->Buffer; Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ; /* * Initial descriptor length -- may be enlarged if there are * optional fields present */ Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */ Descriptor->ExtendedIrq.InterruptCount = 0; Rover = ACPI_CAST_PTR (AML_RESOURCE, (&(Descriptor->ExtendedIrq.Interrupts[0]))); /* Process all child initialization nodes */ for (i = 0; InitializerOp; i++) { switch (i) { case 0: /* Resource Usage (Default: consumer (1) */ RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1); break; case 1: /* Interrupt Type (or Mode - edge/level) */ RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0); RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE, CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1); break; case 2: /* Interrupt Level (or Polarity - Active high/low) */ RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0); RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL, CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2); break; case 3: /* Share Type - Default: exclusive (0) */ RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0); RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE, CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3); break; case 4: /* ResSourceIndex [Optional Field - BYTE] */ if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) { HasResSourceIndex = TRUE; ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; } break; case 5: /* ResSource [Optional Field - STRING] */ if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) && (InitializerOp->Asl.Value.String)) { if (StringLength) { ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String; } /* ResourceSourceIndex must also be valid */ if (!HasResSourceIndex) { AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX, InitializerOp, NULL); } } #if 0 /* * Not a valid ResourceSource, ResourceSourceIndex must also * be invalid */ else if (HasResSourceIndex) { AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE, InitializerOp, NULL); } #endif break; case 6: /* ResourceTag */ UtAttachNamepathToOwner (Op, InitializerOp); break; default: /* * Interrupt Numbers come through here, repeatedly */ /* Maximum 255 interrupts allowed for this descriptor */ if (Descriptor->ExtendedIrq.InterruptCount == 255) { AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST, InitializerOp, NULL); return (Rnode); } /* Each interrupt number must be a 32-bit value */ if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX) { AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER, InitializerOp, NULL); } /* Save the integer and move pointer to the next one */ Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer; Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4); Descriptor->ExtendedIrq.InterruptCount++; Descriptor->ExtendedIrq.ResourceLength += 4; /* Case 7: First interrupt number in list */ if (i == 7) { if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) { /* Must be at least one interrupt */ AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN, InitializerOp, NULL); } /* Check now for duplicates in list */ RsCheckListForDuplicates (InitializerOp); /* Create a named field at the start of the list */ RsCreateByteField (InitializerOp, ACPI_RESTAG_INTERRUPT, CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0])); } } InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); } /* Add optional ResSourceIndex if present */ if (HasResSourceIndex) { Rover->ByteItem = ResSourceIndex; Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1); Descriptor->ExtendedIrq.ResourceLength += 1; } /* Add optional ResSource string if present */ if (StringLength && ResSourceString) { strcpy ((char *) Rover, (char *) ResSourceString); Rover = ACPI_ADD_PTR ( AML_RESOURCE, &(Rover->ByteItem), StringLength); Descriptor->ExtendedIrq.ResourceLength = (UINT16) (Descriptor->ExtendedIrq.ResourceLength + StringLength); } Rnode->BufferLength = (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) - ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType)) + OptionIndex + StringLength; return (Rnode); } /******************************************************************************* * * FUNCTION: RsDoVendorLargeDescriptor * * PARAMETERS: Op - Parent resource descriptor parse node * CurrentByteOffset - Offset into the resource template AML * buffer (to track references to the desc) * * RETURN: Completed resource node * * DESCRIPTION: Construct a long "VendorLong" descriptor * ******************************************************************************/ ASL_RESOURCE_NODE * RsDoVendorLargeDescriptor ( ACPI_PARSE_OBJECT *Op, UINT32 CurrentByteOffset) { AML_RESOURCE *Descriptor; ACPI_PARSE_OBJECT *InitializerOp; ASL_RESOURCE_NODE *Rnode; UINT8 *VendorData; UINT32 i; /* Count the number of data bytes */ InitializerOp = Op->Asl.Child; InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); for (i = 0; InitializerOp; i++) { if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) { break; } InitializerOp = InitializerOp->Asl.Next; } InitializerOp = Op->Asl.Child; InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i); Descriptor = Rnode->Buffer; Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE; Descriptor->VendorLarge.ResourceLength = (UINT16) i; /* Point to end-of-descriptor for vendor data */ VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER); /* Process all child initialization nodes */ for (i = 0; InitializerOp; i++) { if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) { break; } VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer; InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); } return (Rnode); }