651 lines
21 KiB
C
651 lines
21 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: aslrestype1 - Miscellaneous small resource descriptors
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2014, 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"
|
|
|
|
#define _COMPONENT ACPI_COMPILER
|
|
ACPI_MODULE_NAME ("aslrestype1")
|
|
|
|
/*
|
|
* This module contains miscellaneous small resource descriptors:
|
|
*
|
|
* EndTag
|
|
* EndDependentFn
|
|
* Memory24
|
|
* Memory32
|
|
* Memory32Fixed
|
|
* StartDependentFn
|
|
* StartDependentFnNoPri
|
|
* VendorShort
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoEndTagDescriptor
|
|
*
|
|
* 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 short "EndDependentFn" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoEndTagDescriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
|
|
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_TAG));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->EndTag.DescriptorType = ACPI_RESOURCE_NAME_END_TAG |
|
|
ASL_RDESC_END_TAG_SIZE;
|
|
Descriptor->EndTag.Checksum = 0;
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoEndDependentDescriptor
|
|
*
|
|
* 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 short "EndDependentFn" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoEndDependentDescriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
|
|
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_DEPENDENT));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->EndDpf.DescriptorType = ACPI_RESOURCE_NAME_END_DEPENDENT |
|
|
ASL_RDESC_END_DEPEND_SIZE;
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoMemory24Descriptor
|
|
*
|
|
* 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 short "Memory24" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoMemory24Descriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ACPI_PARSE_OBJECT *MinOp = NULL;
|
|
ACPI_PARSE_OBJECT *MaxOp = NULL;
|
|
ACPI_PARSE_OBJECT *LengthOp = NULL;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
UINT32 i;
|
|
|
|
|
|
InitializerOp = Op->Asl.Child;
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY24));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->Memory24.DescriptorType = ACPI_RESOURCE_NAME_MEMORY24;
|
|
Descriptor->Memory24.ResourceLength = 9;
|
|
|
|
/* Process all child initialization nodes */
|
|
|
|
for (i = 0; InitializerOp; i++)
|
|
{
|
|
switch (i)
|
|
{
|
|
case 0: /* Read/Write type */
|
|
|
|
RsSetFlagBits (&Descriptor->Memory24.Flags, InitializerOp, 0, 1);
|
|
RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Flags), 0);
|
|
break;
|
|
|
|
case 1: /* Min Address */
|
|
|
|
Descriptor->Memory24.Minimum = (UINT16) InitializerOp->Asl.Value.Integer;
|
|
RsCreateWordField (InitializerOp, ACPI_RESTAG_MINADDR,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Minimum));
|
|
MinOp = InitializerOp;
|
|
break;
|
|
|
|
case 2: /* Max Address */
|
|
|
|
Descriptor->Memory24.Maximum = (UINT16) InitializerOp->Asl.Value.Integer;
|
|
RsCreateWordField (InitializerOp, ACPI_RESTAG_MAXADDR,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Maximum));
|
|
MaxOp = InitializerOp;
|
|
break;
|
|
|
|
case 3: /* Alignment */
|
|
|
|
Descriptor->Memory24.Alignment = (UINT16) InitializerOp->Asl.Value.Integer;
|
|
RsCreateWordField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Alignment));
|
|
break;
|
|
|
|
case 4: /* Length */
|
|
|
|
Descriptor->Memory24.AddressLength = (UINT16) InitializerOp->Asl.Value.Integer;
|
|
RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.AddressLength));
|
|
LengthOp = InitializerOp;
|
|
break;
|
|
|
|
case 5: /* Name */
|
|
|
|
UtAttachNamepathToOwner (Op, InitializerOp);
|
|
break;
|
|
|
|
default:
|
|
|
|
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
|
|
break;
|
|
}
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
/* Validate the Min/Max/Len/Align values (Alignment==0 means 64K) */
|
|
|
|
RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY24,
|
|
Descriptor->Memory24.Minimum,
|
|
Descriptor->Memory24.Maximum,
|
|
Descriptor->Memory24.AddressLength,
|
|
Descriptor->Memory24.Alignment,
|
|
MinOp, MaxOp, LengthOp, NULL, Op);
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoMemory32Descriptor
|
|
*
|
|
* 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 short "Memory32" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoMemory32Descriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ACPI_PARSE_OBJECT *MinOp = NULL;
|
|
ACPI_PARSE_OBJECT *MaxOp = NULL;
|
|
ACPI_PARSE_OBJECT *LengthOp = NULL;
|
|
ACPI_PARSE_OBJECT *AlignOp = NULL;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
UINT32 i;
|
|
|
|
|
|
InitializerOp = Op->Asl.Child;
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY32));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->Memory32.DescriptorType = ACPI_RESOURCE_NAME_MEMORY32;
|
|
Descriptor->Memory32.ResourceLength = 17;
|
|
|
|
/* Process all child initialization nodes */
|
|
|
|
for (i = 0; InitializerOp; i++)
|
|
{
|
|
switch (i)
|
|
{
|
|
case 0: /* Read/Write type */
|
|
|
|
RsSetFlagBits (&Descriptor->Memory32.Flags, InitializerOp, 0, 1);
|
|
RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Flags), 0);
|
|
break;
|
|
|
|
case 1: /* Min Address */
|
|
|
|
Descriptor->Memory32.Minimum = (UINT32) InitializerOp->Asl.Value.Integer;
|
|
RsCreateDwordField (InitializerOp, ACPI_RESTAG_MINADDR,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Minimum));
|
|
MinOp = InitializerOp;
|
|
break;
|
|
|
|
case 2: /* Max Address */
|
|
|
|
Descriptor->Memory32.Maximum = (UINT32) InitializerOp->Asl.Value.Integer;
|
|
RsCreateDwordField (InitializerOp, ACPI_RESTAG_MAXADDR,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Maximum));
|
|
MaxOp = InitializerOp;
|
|
break;
|
|
|
|
case 3: /* Alignment */
|
|
|
|
Descriptor->Memory32.Alignment = (UINT32) InitializerOp->Asl.Value.Integer;
|
|
RsCreateDwordField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Alignment));
|
|
AlignOp = InitializerOp;
|
|
break;
|
|
|
|
case 4: /* Length */
|
|
|
|
Descriptor->Memory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
|
|
RsCreateDwordField (InitializerOp, ACPI_RESTAG_LENGTH,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.AddressLength));
|
|
LengthOp = InitializerOp;
|
|
break;
|
|
|
|
case 5: /* Name */
|
|
|
|
UtAttachNamepathToOwner (Op, InitializerOp);
|
|
break;
|
|
|
|
default:
|
|
|
|
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
|
|
break;
|
|
}
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
/* Validate the Min/Max/Len/Align values */
|
|
|
|
RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY32,
|
|
Descriptor->Memory32.Minimum,
|
|
Descriptor->Memory32.Maximum,
|
|
Descriptor->Memory32.AddressLength,
|
|
Descriptor->Memory32.Alignment,
|
|
MinOp, MaxOp, LengthOp, AlignOp, Op);
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoMemory32FixedDescriptor
|
|
*
|
|
* 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 short "Memory32Fixed" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoMemory32FixedDescriptor (
|
|
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_FIXED_MEMORY32));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->FixedMemory32.DescriptorType = ACPI_RESOURCE_NAME_FIXED_MEMORY32;
|
|
Descriptor->FixedMemory32.ResourceLength = 9;
|
|
|
|
/* Process all child initialization nodes */
|
|
|
|
for (i = 0; InitializerOp; i++)
|
|
{
|
|
switch (i)
|
|
{
|
|
case 0: /* Read/Write type */
|
|
|
|
RsSetFlagBits (&Descriptor->FixedMemory32.Flags, InitializerOp, 0, 1);
|
|
RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Flags), 0);
|
|
break;
|
|
|
|
case 1: /* Address */
|
|
|
|
Descriptor->FixedMemory32.Address = (UINT32) InitializerOp->Asl.Value.Integer;
|
|
RsCreateDwordField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Address));
|
|
break;
|
|
|
|
case 2: /* Length */
|
|
|
|
Descriptor->FixedMemory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
|
|
RsCreateDwordField (InitializerOp, ACPI_RESTAG_LENGTH,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.AddressLength));
|
|
break;
|
|
|
|
case 3: /* Name */
|
|
|
|
UtAttachNamepathToOwner (Op, InitializerOp);
|
|
break;
|
|
|
|
default:
|
|
|
|
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
|
|
break;
|
|
}
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoStartDependentDescriptor
|
|
*
|
|
* 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 short "StartDependentFn" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoStartDependentDescriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
ASL_RESOURCE_NODE *PreviousRnode;
|
|
ASL_RESOURCE_NODE *NextRnode;
|
|
UINT32 i;
|
|
UINT8 State;
|
|
|
|
|
|
InitializerOp = Op->Asl.Child;
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT));
|
|
|
|
PreviousRnode = Rnode;
|
|
Descriptor = Rnode->Buffer;
|
|
|
|
/* Increment offset past StartDependent descriptor */
|
|
|
|
CurrentByteOffset += sizeof (AML_RESOURCE_START_DEPENDENT);
|
|
|
|
/* Descriptor has priority byte */
|
|
|
|
Descriptor->StartDpf.DescriptorType = ACPI_RESOURCE_NAME_START_DEPENDENT |
|
|
(ASL_RDESC_ST_DEPEND_SIZE + 0x01);
|
|
|
|
/* Process all child initialization nodes */
|
|
|
|
State = ACPI_RSTATE_START_DEPENDENT;
|
|
for (i = 0; InitializerOp; i++)
|
|
{
|
|
switch (i)
|
|
{
|
|
case 0: /* Compatibility Priority */
|
|
|
|
if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_INVALID_PRIORITY,
|
|
InitializerOp, NULL);
|
|
}
|
|
|
|
RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 0, 0);
|
|
break;
|
|
|
|
case 1: /* Performance/Robustness Priority */
|
|
|
|
if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_INVALID_PERFORMANCE,
|
|
InitializerOp, NULL);
|
|
}
|
|
|
|
RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 2, 0);
|
|
break;
|
|
|
|
default:
|
|
|
|
NextRnode = RsDoOneResourceDescriptor (InitializerOp,
|
|
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,
|
|
NextRnode);
|
|
break;
|
|
}
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoStartDependentNoPriDescriptor
|
|
*
|
|
* 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 short "StartDependentNoPri" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoStartDependentNoPriDescriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
ASL_RESOURCE_NODE *PreviousRnode;
|
|
ASL_RESOURCE_NODE *NextRnode;
|
|
UINT8 State;
|
|
|
|
|
|
InitializerOp = Op->Asl.Child;
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO));
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->StartDpf.DescriptorType = ACPI_RESOURCE_NAME_START_DEPENDENT |
|
|
ASL_RDESC_ST_DEPEND_SIZE;
|
|
PreviousRnode = Rnode;
|
|
|
|
/* Increment offset past StartDependentNoPri descriptor */
|
|
|
|
CurrentByteOffset += sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO);
|
|
|
|
/* Process all child initialization nodes */
|
|
|
|
State = ACPI_RSTATE_START_DEPENDENT;
|
|
while (InitializerOp)
|
|
{
|
|
NextRnode = RsDoOneResourceDescriptor (InitializerOp,
|
|
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, NextRnode);
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
return (Rnode);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: RsDoVendorSmallDescriptor
|
|
*
|
|
* 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 short "VendorShort" descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
ASL_RESOURCE_NODE *
|
|
RsDoVendorSmallDescriptor (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 CurrentByteOffset)
|
|
{
|
|
AML_RESOURCE *Descriptor;
|
|
ACPI_PARSE_OBJECT *InitializerOp;
|
|
ASL_RESOURCE_NODE *Rnode;
|
|
UINT8 *VendorData;
|
|
UINT32 i;
|
|
|
|
|
|
InitializerOp = Op->Asl.Child;
|
|
|
|
/* Allocate worst case - 7 vendor bytes */
|
|
|
|
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_SMALL) + 7);
|
|
|
|
Descriptor = Rnode->Buffer;
|
|
Descriptor->VendorSmall.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_SMALL;
|
|
VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_SMALL_HEADER);
|
|
|
|
/* Process all child initialization nodes */
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
for (i = 0; InitializerOp; i++)
|
|
{
|
|
if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* Maximum 7 vendor data bytes allowed (0-6) */
|
|
|
|
if (i >= 7)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_VENDOR_LIST, InitializerOp, NULL);
|
|
|
|
/* Eat the excess initializers */
|
|
|
|
while (InitializerOp)
|
|
{
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
break;
|
|
}
|
|
|
|
VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
/* Adjust the Rnode buffer size, so correct number of bytes are emitted */
|
|
|
|
Rnode->BufferLength -= (7 - i);
|
|
|
|
/* Set the length in the Type Tag */
|
|
|
|
Descriptor->VendorSmall.DescriptorType |= (UINT8) i;
|
|
return (Rnode);
|
|
}
|