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Diffstat (limited to 'source/compiler/aslrestype2.c')
| -rw-r--r-- | source/compiler/aslrestype2.c | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/source/compiler/aslrestype2.c b/source/compiler/aslrestype2.c new file mode 100644 index 0000000..9c15793 --- /dev/null +++ b/source/compiler/aslrestype2.c @@ -0,0 +1,461 @@ +/****************************************************************************** + * + * Module Name: aslrestype2 - Miscellaneous Large resource descriptors + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, 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 "aslcompiler.h" +#include "aslcompiler.y.h" +#include "amlcode.h" + +#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; + RsCreateQwordField (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 */ + + RsCreateDwordField (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); +} |
