1067 lines
32 KiB
C
1067 lines
32 KiB
C
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/******************************************************************************
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*
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* Module Name: aslresource - Resource template/descriptor utilities
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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 ("aslresource")
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/*******************************************************************************
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*
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* FUNCTION: RsSmallAddressCheck
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*
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* PARAMETERS: Minimum - Address Min value
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* Maximum - Address Max value
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* Length - Address range value
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* Alignment - Address alignment value
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* MinOp - Original Op for Address Min
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* MaxOp - Original Op for Address Max
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* LengthOp - Original Op for address range
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* AlignOp - Original Op for address alignment. If
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* NULL, means "zero value for alignment is
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* OK, and means 64K alignment" (for
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* Memory24 descriptor)
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* Op - Parent Op for entire construct
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*
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* RETURN: None. Adds error messages to error log if necessary
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*
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* DESCRIPTION: Perform common value checks for "small" address descriptors.
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* Currently:
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* Io, Memory24, Memory32
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*
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******************************************************************************/
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void
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RsSmallAddressCheck (
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UINT8 Type,
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UINT32 Minimum,
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UINT32 Maximum,
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UINT32 Length,
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UINT32 Alignment,
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ACPI_PARSE_OBJECT *MinOp,
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ACPI_PARSE_OBJECT *MaxOp,
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ACPI_PARSE_OBJECT *LengthOp,
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ACPI_PARSE_OBJECT *AlignOp,
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ACPI_PARSE_OBJECT *Op)
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{
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if (Gbl_NoResourceChecking)
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{
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return;
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}
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/*
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* Check for a so-called "null descriptor". These are descriptors that are
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* created with most fields set to zero. The intent is that the descriptor
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* will be updated/completed at runtime via a BufferField.
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*
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* If the descriptor does NOT have a resource tag, it cannot be referenced
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* by a BufferField and we will flag this as an error. Conversely, if
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* the descriptor has a resource tag, we will assume that a BufferField
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* will be used to dynamically update it, so no error.
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*
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* A possible enhancement to this check would be to verify that in fact
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* a BufferField is created using the resource tag, and perhaps even
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* verify that a Store is performed to the BufferField.
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*
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* Note: for these descriptors, Alignment is allowed to be zero
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*/
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if (!Minimum && !Maximum && !Length)
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{
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if (!Op->Asl.ExternalName)
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{
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/* No resource tag. Descriptor is fixed and is also illegal */
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AslError (ASL_ERROR, ASL_MSG_NULL_DESCRIPTOR, Op, NULL);
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}
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return;
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}
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/* Special case for Memory24, values are compressed */
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if (Type == ACPI_RESOURCE_NAME_MEMORY24)
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{
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if (!Alignment) /* Alignment==0 means 64K - no invalid alignment */
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{
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Alignment = ACPI_UINT16_MAX + 1;
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}
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Minimum <<= 8;
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Maximum <<= 8;
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Length *= 256;
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}
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/* IO descriptor has different definition of min/max, don't check */
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if (Type != ACPI_RESOURCE_NAME_IO)
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{
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/* Basic checks on Min/Max/Length */
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if (Minimum > Maximum)
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_MIN_MAX, MinOp, NULL);
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}
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else if (Length > (Maximum - Minimum + 1))
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_LENGTH, LengthOp, NULL);
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}
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}
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/* Alignment of zero is not in ACPI spec, but is used to mean byte acc */
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if (!Alignment)
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{
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Alignment = 1;
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}
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/* Addresses must be an exact multiple of the alignment value */
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if (Minimum % Alignment)
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{
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AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MinOp, NULL);
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}
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if (Maximum % Alignment)
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{
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AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MaxOp, NULL);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: RsLargeAddressCheck
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*
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* PARAMETERS: Minimum - Address Min value
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* Maximum - Address Max value
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* Length - Address range value
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* Granularity - Address granularity value
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* Flags - General flags for address descriptors:
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* _MIF, _MAF, _DEC
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* MinOp - Original Op for Address Min
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* MaxOp - Original Op for Address Max
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* LengthOp - Original Op for address range
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* GranOp - Original Op for address granularity
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* Op - Parent Op for entire construct
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*
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* RETURN: None. Adds error messages to error log if necessary
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*
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* DESCRIPTION: Perform common value checks for "large" address descriptors.
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* Currently:
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* WordIo, WordBusNumber, WordSpace
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* DWordIo, DWordMemory, DWordSpace
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* QWordIo, QWordMemory, QWordSpace
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* ExtendedIo, ExtendedMemory, ExtendedSpace
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*
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* _MIF flag set means that the minimum address is fixed and is not relocatable
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* _MAF flag set means that the maximum address is fixed and is not relocatable
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* Length of zero means that the record size is variable
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*
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* This function implements the LEN/MIF/MAF/MIN/MAX/GRA rules within Table 6-40
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* of the ACPI 4.0a specification. Added 04/2010.
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*
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******************************************************************************/
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void
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RsLargeAddressCheck (
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UINT64 Minimum,
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UINT64 Maximum,
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UINT64 Length,
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UINT64 Granularity,
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UINT8 Flags,
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ACPI_PARSE_OBJECT *MinOp,
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ACPI_PARSE_OBJECT *MaxOp,
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ACPI_PARSE_OBJECT *LengthOp,
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ACPI_PARSE_OBJECT *GranOp,
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ACPI_PARSE_OBJECT *Op)
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{
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if (Gbl_NoResourceChecking)
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{
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return;
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}
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/*
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* Check for a so-called "null descriptor". These are descriptors that are
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* created with most fields set to zero. The intent is that the descriptor
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|
* will be updated/completed at runtime via a BufferField.
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|
*
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* If the descriptor does NOT have a resource tag, it cannot be referenced
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|
* by a BufferField and we will flag this as an error. Conversely, if
|
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* the descriptor has a resource tag, we will assume that a BufferField
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|
* will be used to dynamically update it, so no error.
|
|
*
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|
* A possible enhancement to this check would be to verify that in fact
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* a BufferField is created using the resource tag, and perhaps even
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* verify that a Store is performed to the BufferField.
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*/
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if (!Minimum && !Maximum && !Length && !Granularity)
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{
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if (!Op->Asl.ExternalName)
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{
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/* No resource tag. Descriptor is fixed and is also illegal */
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AslError (ASL_ERROR, ASL_MSG_NULL_DESCRIPTOR, Op, NULL);
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}
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return;
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}
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/* Basic checks on Min/Max/Length */
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if (Minimum > Maximum)
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_MIN_MAX, MinOp, NULL);
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return;
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}
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else if (Length > (Maximum - Minimum + 1))
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_LENGTH, LengthOp, NULL);
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return;
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}
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/* If specified (non-zero), ensure granularity is a power-of-two minus one */
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if (Granularity)
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{
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if ((Granularity + 1) &
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Granularity)
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_GRANULARITY, GranOp, NULL);
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return;
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}
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}
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/*
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* Check the various combinations of Length, MinFixed, and MaxFixed
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*/
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if (Length)
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{
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/* Fixed non-zero length */
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switch (Flags & (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF))
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{
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case 0:
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/*
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* Fixed length, variable locations (both _MIN and _MAX).
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* Length must be a multiple of granularity
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*/
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if (Granularity & Length)
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{
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AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, LengthOp, NULL);
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}
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break;
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case (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF):
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/* Fixed length, fixed location. Granularity must be zero */
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if (Granularity != 0)
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_GRAN_FIXED, GranOp, NULL);
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}
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/* Length must be exactly the size of the min/max window */
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if (Length != (Maximum - Minimum + 1))
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{
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AslError (ASL_ERROR, ASL_MSG_INVALID_LENGTH_FIXED, LengthOp, NULL);
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}
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break;
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/* All other combinations are invalid */
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case ACPI_RESOURCE_FLAG_MIF:
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case ACPI_RESOURCE_FLAG_MAF:
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default:
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AslError (ASL_ERROR, ASL_MSG_INVALID_ADDR_FLAGS, LengthOp, NULL);
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}
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}
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else
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{
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/* Variable length (length==0) */
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switch (Flags & (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF))
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{
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case 0:
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/*
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* Both _MIN and _MAX are variable.
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* No additional requirements, just exit
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*/
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break;
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case ACPI_RESOURCE_FLAG_MIF:
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/* _MIN is fixed. _MIN must be multiple of _GRA */
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/*
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* The granularity is defined by the ACPI specification to be a
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* power-of-two minus one, therefore the granularity is a
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* bitmask which can be used to easily validate the addresses.
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*/
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if (Granularity & Minimum)
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{
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AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MinOp, NULL);
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}
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break;
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case ACPI_RESOURCE_FLAG_MAF:
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/* _MAX is fixed. (_MAX + 1) must be multiple of _GRA */
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if (Granularity & (Maximum + 1))
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{
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AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MaxOp, "-1");
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}
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break;
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/* Both MIF/MAF set is invalid if length is zero */
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case (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF):
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default:
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AslError (ASL_ERROR, ASL_MSG_INVALID_ADDR_FLAGS, LengthOp, NULL);
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: RsGetStringDataLength
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*
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* PARAMETERS: InitializerOp - Start of a subtree of init nodes
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*
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* RETURN: Valid string length if a string node is found (otherwise 0)
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*
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* DESCRIPTION: In a list of peer nodes, find the first one that contains a
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* string and return the length of the string.
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*
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******************************************************************************/
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UINT16
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RsGetStringDataLength (
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ACPI_PARSE_OBJECT *InitializerOp)
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{
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while (InitializerOp)
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{
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if (InitializerOp->Asl.ParseOpcode == PARSEOP_STRING_LITERAL)
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{
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return ((UINT16) (strlen (InitializerOp->Asl.Value.String) + 1));
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}
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InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
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}
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return 0;
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}
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|
|
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/*******************************************************************************
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*
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* FUNCTION: RsAllocateResourceNode
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|
*
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* PARAMETERS: Size - Size of node in bytes
|
|
*
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* RETURN: The allocated node - aborts on allocation failure
|
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*
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* DESCRIPTION: Allocate a resource description node and the resource
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* descriptor itself (the nodes are used to link descriptors).
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsAllocateResourceNode (
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UINT32 Size)
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{
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ASL_RESOURCE_NODE *Rnode;
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|
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/* Allocate the node */
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Rnode = UtLocalCalloc (sizeof (ASL_RESOURCE_NODE));
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|
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/* Allocate the resource descriptor itself */
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Rnode->Buffer = UtLocalCalloc (Size);
|
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Rnode->BufferLength = Size;
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return (Rnode);
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}
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|
|
|
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/*******************************************************************************
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*
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* FUNCTION: RsCreateResourceField
|
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*
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* PARAMETERS: Op - Resource field node
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* Name - Name of the field (Used only to reference
|
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* the field in the ASL, not in the AML)
|
|
* ByteOffset - Offset from the field start
|
|
* BitOffset - Additional bit offset
|
|
* BitLength - Number of bits in the field
|
|
*
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* RETURN: None, sets fields within the input node
|
|
*
|
|
* DESCRIPTION: Utility function to generate a named bit field within a
|
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* resource descriptor. Mark a node as 1) a field in a resource
|
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* descriptor, and 2) set the value to be a BIT offset
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*
|
|
******************************************************************************/
|
|
|
|
void
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RsCreateResourceField (
|
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ACPI_PARSE_OBJECT *Op,
|
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char *Name,
|
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UINT32 ByteOffset,
|
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UINT32 BitOffset,
|
|
UINT32 BitLength)
|
|
{
|
|
|
|
Op->Asl.ExternalName = Name;
|
|
Op->Asl.CompileFlags |= NODE_IS_RESOURCE_FIELD;
|
|
|
|
|
|
Op->Asl.Value.Tag.BitOffset = (ByteOffset * 8) + BitOffset;
|
|
Op->Asl.Value.Tag.BitLength = BitLength;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsSetFlagBits
|
|
*
|
|
* PARAMETERS: *Flags - Pointer to the flag byte
|
|
* Op - Flag initialization node
|
|
* Position - Bit position within the flag byte
|
|
* Default - Used if the node is DEFAULT.
|
|
*
|
|
* RETURN: Sets bits within the *Flags output byte.
|
|
*
|
|
* DESCRIPTION: Set a bit in a cumulative flags word from an initialization
|
|
* node. Will use a default value if the node is DEFAULT, meaning
|
|
* that no value was specified in the ASL. Used to merge multiple
|
|
* keywords into a single flags byte.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
RsSetFlagBits (
|
|
UINT8 *Flags,
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT8 Position,
|
|
UINT8 DefaultBit)
|
|
{
|
|
|
|
if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
|
|
{
|
|
/* Use the default bit */
|
|
|
|
*Flags |= (DefaultBit << Position);
|
|
}
|
|
else
|
|
{
|
|
/* Use the bit specified in the initialization node */
|
|
|
|
*Flags |= (((UINT8) Op->Asl.Value.Integer) << Position);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
RsSetFlagBits16 (
|
|
UINT16 *Flags,
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT8 Position,
|
|
UINT8 DefaultBit)
|
|
{
|
|
|
|
if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
|
|
{
|
|
/* Use the default bit */
|
|
|
|
*Flags |= (DefaultBit << Position);
|
|
}
|
|
else
|
|
{
|
|
/* Use the bit specified in the initialization node */
|
|
|
|
*Flags |= (((UINT16) Op->Asl.Value.Integer) << Position);
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsCompleteNodeAndGetNext
|
|
*
|
|
* PARAMETERS: Op - Resource node to be completed
|
|
*
|
|
* RETURN: The next peer to the input node.
|
|
*
|
|
* DESCRIPTION: Mark the current node completed and return the next peer.
|
|
* The node ParseOpcode is set to DEFAULT_ARG, meaning that
|
|
* this node is to be ignored from now on.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_PARSE_OBJECT *
|
|
RsCompleteNodeAndGetNext (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
|
|
/* Mark this node unused */
|
|
|
|
Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
|
|
/* Move on to the next peer node in the initializer list */
|
|
|
|
return (ASL_GET_PEER_NODE (Op));
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsCheckListForDuplicates
|
|
*
|
|
* PARAMETERS: Op - First op in the initializer list
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check an initializer list for duplicate values. Emits an error
|
|
* if any duplicates are found.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
RsCheckListForDuplicates (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *NextValueOp = Op;
|
|
ACPI_PARSE_OBJECT *NextOp;
|
|
UINT32 Value;
|
|
|
|
|
|
if (!Op)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Search list once for each value in the list */
|
|
|
|
while (NextValueOp)
|
|
{
|
|
Value = (UINT32) NextValueOp->Asl.Value.Integer;
|
|
|
|
/* Compare this value to all remaining values in the list */
|
|
|
|
NextOp = ASL_GET_PEER_NODE (NextValueOp);
|
|
while (NextOp)
|
|
{
|
|
if (NextOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
|
|
{
|
|
/* Compare values */
|
|
|
|
if (Value == (UINT32) NextOp->Asl.Value.Integer)
|
|
{
|
|
/* Emit error only once per duplicate node */
|
|
|
|
if (!(NextOp->Asl.CompileFlags & NODE_IS_DUPLICATE))
|
|
{
|
|
NextOp->Asl.CompileFlags |= NODE_IS_DUPLICATE;
|
|
AslError (ASL_ERROR, ASL_MSG_DUPLICATE_ITEM,
|
|
NextOp, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
NextOp = ASL_GET_PEER_NODE (NextOp);
|
|
}
|
|
|
|
NextValueOp = ASL_GET_PEER_NODE (NextValueOp);
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoOneResourceDescriptor
|
|
*
|
|
* PARAMETERS: DescriptorTypeOp - Parent parse node of the descriptor
|
|
* CurrentByteOffset - Offset in the resource descriptor
|
|
* buffer.
|
|
*
|
|
* RETURN: A valid resource node for the descriptor
|
|
*
|
|
* DESCRIPTION: Dispatches the processing of one resource descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoOneResourceDescriptor (
|
|
ACPI_PARSE_OBJECT *DescriptorTypeOp,
|
|
UINT32 CurrentByteOffset,
|
|
UINT8 *State)
|
|
{
|
|
ASL_RESOURCE_NODE *Rnode = NULL;
|
|
|
|
|
|
/* Construct the resource */
|
|
|
|
switch (DescriptorTypeOp->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_DMA:
|
|
Rnode = RsDoDmaDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_FIXEDDMA:
|
|
Rnode = RsDoFixedDmaDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_DWORDIO:
|
|
Rnode = RsDoDwordIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_DWORDMEMORY:
|
|
Rnode = RsDoDwordMemoryDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_DWORDSPACE:
|
|
Rnode = RsDoDwordSpaceDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_ENDDEPENDENTFN:
|
|
switch (*State)
|
|
{
|
|
case ACPI_RSTATE_NORMAL:
|
|
AslError (ASL_ERROR, ASL_MSG_MISSING_STARTDEPENDENT,
|
|
DescriptorTypeOp, NULL);
|
|
break;
|
|
|
|
case ACPI_RSTATE_START_DEPENDENT:
|
|
AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
|
|
DescriptorTypeOp, NULL);
|
|
break;
|
|
|
|
case ACPI_RSTATE_DEPENDENT_LIST:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
*State = ACPI_RSTATE_NORMAL;
|
|
Rnode = RsDoEndDependentDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_ENDTAG:
|
|
Rnode = RsDoEndTagDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_EXTENDEDIO:
|
|
Rnode = RsDoExtendedIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_EXTENDEDMEMORY:
|
|
Rnode = RsDoExtendedMemoryDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_EXTENDEDSPACE:
|
|
Rnode = RsDoExtendedSpaceDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_FIXEDIO:
|
|
Rnode = RsDoFixedIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_INTERRUPT:
|
|
Rnode = RsDoInterruptDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_IO:
|
|
Rnode = RsDoIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_IRQ:
|
|
Rnode = RsDoIrqDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_IRQNOFLAGS:
|
|
Rnode = RsDoIrqNoFlagsDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_MEMORY24:
|
|
Rnode = RsDoMemory24Descriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_MEMORY32:
|
|
Rnode = RsDoMemory32Descriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_MEMORY32FIXED:
|
|
Rnode = RsDoMemory32FixedDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_QWORDIO:
|
|
Rnode = RsDoQwordIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_QWORDMEMORY:
|
|
Rnode = RsDoQwordMemoryDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_QWORDSPACE:
|
|
Rnode = RsDoQwordSpaceDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_REGISTER:
|
|
Rnode = RsDoGeneralRegisterDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_STARTDEPENDENTFN:
|
|
switch (*State)
|
|
{
|
|
case ACPI_RSTATE_START_DEPENDENT:
|
|
AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
|
|
DescriptorTypeOp, NULL);
|
|
break;
|
|
|
|
case ACPI_RSTATE_NORMAL:
|
|
case ACPI_RSTATE_DEPENDENT_LIST:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
*State = ACPI_RSTATE_START_DEPENDENT;
|
|
Rnode = RsDoStartDependentDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
*State = ACPI_RSTATE_DEPENDENT_LIST;
|
|
break;
|
|
|
|
case PARSEOP_STARTDEPENDENTFN_NOPRI:
|
|
switch (*State)
|
|
{
|
|
case ACPI_RSTATE_START_DEPENDENT:
|
|
AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
|
|
DescriptorTypeOp, NULL);
|
|
break;
|
|
|
|
case ACPI_RSTATE_NORMAL:
|
|
case ACPI_RSTATE_DEPENDENT_LIST:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
*State = ACPI_RSTATE_START_DEPENDENT;
|
|
Rnode = RsDoStartDependentNoPriDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
*State = ACPI_RSTATE_DEPENDENT_LIST;
|
|
break;
|
|
|
|
case PARSEOP_VENDORLONG:
|
|
Rnode = RsDoVendorLargeDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_VENDORSHORT:
|
|
Rnode = RsDoVendorSmallDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_WORDBUSNUMBER:
|
|
Rnode = RsDoWordBusNumberDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_WORDIO:
|
|
Rnode = RsDoWordIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_WORDSPACE:
|
|
Rnode = RsDoWordSpaceDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_GPIO_INT:
|
|
Rnode = RsDoGpioIntDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_GPIO_IO:
|
|
Rnode = RsDoGpioIoDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_I2C_SERIALBUS:
|
|
Rnode = RsDoI2cSerialBusDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_SPI_SERIALBUS:
|
|
Rnode = RsDoSpiSerialBusDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_UART_SERIALBUS:
|
|
Rnode = RsDoUartSerialBusDescriptor (DescriptorTypeOp,
|
|
CurrentByteOffset);
|
|
break;
|
|
|
|
case PARSEOP_DEFAULT_ARG:
|
|
/* Just ignore any of these, they are used as fillers/placeholders */
|
|
break;
|
|
|
|
default:
|
|
printf ("Unknown resource descriptor type [%s]\n",
|
|
DescriptorTypeOp->Asl.ParseOpName);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Mark original node as unused, but head of a resource descriptor.
|
|
* This allows the resource to be installed in the namespace so that
|
|
* references to the descriptor can be resolved.
|
|
*/
|
|
DescriptorTypeOp->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
|
|
DescriptorTypeOp->Asl.CompileFlags = NODE_IS_RESOURCE_DESC;
|
|
DescriptorTypeOp->Asl.Value.Integer = CurrentByteOffset;
|
|
|
|
if (Rnode)
|
|
{
|
|
DescriptorTypeOp->Asl.FinalAmlLength = Rnode->BufferLength;
|
|
}
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsLinkDescriptorChain
|
|
*
|
|
* PARAMETERS: PreviousRnode - Pointer to the node that will be previous
|
|
* to the linked node, At exit, set to the
|
|
* last node in the new chain.
|
|
* Rnode - Resource node to link into the list
|
|
*
|
|
* RETURN: Cumulative buffer byte offset of the new segment of chain
|
|
*
|
|
* DESCRIPTION: Link a descriptor chain at the end of an existing chain.
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT32
|
|
RsLinkDescriptorChain (
|
|
ASL_RESOURCE_NODE **PreviousRnode,
|
|
ASL_RESOURCE_NODE *Rnode)
|
|
{
|
|
ASL_RESOURCE_NODE *LastRnode;
|
|
UINT32 CurrentByteOffset;
|
|
|
|
|
|
/* Anything to do? */
|
|
|
|
if (!Rnode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* Point the previous node to the new node */
|
|
|
|
(*PreviousRnode)->Next = Rnode;
|
|
CurrentByteOffset = Rnode->BufferLength;
|
|
|
|
/* Walk to the end of the chain headed by Rnode */
|
|
|
|
LastRnode = Rnode;
|
|
while (LastRnode->Next)
|
|
{
|
|
LastRnode = LastRnode->Next;
|
|
CurrentByteOffset += LastRnode->BufferLength;
|
|
}
|
|
|
|
/* Previous node becomes the last node in the chain */
|
|
|
|
*PreviousRnode = LastRnode;
|
|
return CurrentByteOffset;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoResourceTemplate
|
|
*
|
|
* PARAMETERS: Op - Parent of a resource template list
|
|
*
|
|
* RETURN: None. Sets input node to point to a list of AML code
|
|
*
|
|
* DESCRIPTION: Merge a list of resource descriptors into a single AML buffer,
|
|
* in preparation for output to the AML output file.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
RsDoResourceTemplate (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *BufferLengthOp;
|
|
ACPI_PARSE_OBJECT *BufferOp;
|
|
ACPI_PARSE_OBJECT *DescriptorTypeOp;
|
|
ACPI_PARSE_OBJECT *LastOp = NULL;
|
|
UINT32 CurrentByteOffset = 0;
|
|
ASL_RESOURCE_NODE HeadRnode;
|
|
ASL_RESOURCE_NODE *PreviousRnode;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
UINT8 State;
|
|
|
|
|
|
/* Mark parent as containing a resource template */
|
|
|
|
if (Op->Asl.Parent)
|
|
{
|
|
Op->Asl.Parent->Asl.CompileFlags |= NODE_IS_RESOURCE_DESC;
|
|
}
|
|
|
|
/* ResourceTemplate Opcode is first (Op) */
|
|
/* Buffer Length node is first child */
|
|
|
|
BufferLengthOp = ASL_GET_CHILD_NODE (Op);
|
|
|
|
/* Buffer Op is first peer */
|
|
|
|
BufferOp = ASL_GET_PEER_NODE (BufferLengthOp);
|
|
|
|
/* First Descriptor type is next */
|
|
|
|
DescriptorTypeOp = ASL_GET_PEER_NODE (BufferOp);
|
|
|
|
/*
|
|
* Process all resource descriptors in the list
|
|
* Note: It is assumed that the EndTag node has been automatically
|
|
* inserted at the end of the template by the parser.
|
|
*/
|
|
State = ACPI_RSTATE_NORMAL;
|
|
PreviousRnode = &HeadRnode;
|
|
while (DescriptorTypeOp)
|
|
{
|
|
DescriptorTypeOp->Asl.CompileFlags |= NODE_IS_RESOURCE_DESC;
|
|
Rnode = RsDoOneResourceDescriptor (DescriptorTypeOp, CurrentByteOffset,
|
|
&State);
|
|
|
|
/*
|
|
* Update current byte offset to indicate the number of bytes from the
|
|
* start of the buffer. Buffer can include multiple descriptors, we
|
|
* must keep track of the offset of not only each descriptor, but each
|
|
* element (field) within each descriptor as well.
|
|
*/
|
|
CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
|
|
|
|
/* Get the next descriptor in the list */
|
|
|
|
LastOp = DescriptorTypeOp;
|
|
DescriptorTypeOp = ASL_GET_PEER_NODE (DescriptorTypeOp);
|
|
}
|
|
|
|
if (State == ACPI_RSTATE_DEPENDENT_LIST)
|
|
{
|
|
if (LastOp)
|
|
{
|
|
LastOp = LastOp->Asl.Parent;
|
|
}
|
|
AslError (ASL_ERROR, ASL_MSG_MISSING_ENDDEPENDENT, LastOp, NULL);
|
|
}
|
|
|
|
/*
|
|
* Transform the nodes into the following
|
|
*
|
|
* Op -> AML_BUFFER_OP
|
|
* First Child -> BufferLength
|
|
* Second Child -> Descriptor Buffer (raw byte data)
|
|
*/
|
|
Op->Asl.ParseOpcode = PARSEOP_BUFFER;
|
|
Op->Asl.AmlOpcode = AML_BUFFER_OP;
|
|
Op->Asl.CompileFlags = NODE_AML_PACKAGE | NODE_IS_RESOURCE_DESC;
|
|
UtSetParseOpName (Op);
|
|
|
|
BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
|
|
BufferLengthOp->Asl.Value.Integer = CurrentByteOffset;
|
|
(void) OpcSetOptimalIntegerSize (BufferLengthOp);
|
|
UtSetParseOpName (BufferLengthOp);
|
|
|
|
BufferOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
|
|
BufferOp->Asl.AmlOpcode = AML_RAW_DATA_CHAIN;
|
|
BufferOp->Asl.AmlOpcodeLength = 0;
|
|
BufferOp->Asl.AmlLength = CurrentByteOffset;
|
|
BufferOp->Asl.Value.Buffer = (UINT8 *) HeadRnode.Next;
|
|
BufferOp->Asl.CompileFlags |= NODE_IS_RESOURCE_DATA;
|
|
UtSetParseOpName (BufferOp);
|
|
|
|
return;
|
|
}
|