ASL_RESOURCE_NODE *
RsDoStartDependentNoPriDescriptor (
ASL_RESOURCE_INFO *Info)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
ASL_RESOURCE_NODE *PreviousRnode;
ASL_RESOURCE_NODE *NextRnode;
ASL_RESOURCE_INFO NextInfo;
UINT32 CurrentByteOffset;
UINT8 State;
InitializerOp = Info->DescriptorTypeOp->Asl.Child;
CurrentByteOffset = Info->CurrentByteOffset;
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)
{
NextInfo.CurrentByteOffset = CurrentByteOffset;
NextInfo.DescriptorTypeOp = InitializerOp;
NextRnode = RsDoOneResourceDescriptor (&NextInfo, &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);
}
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;
BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
BufferLengthOp->Asl.Value.Integer = CurrentByteOffset;
(void) OpcSetOptimalIntegerSize (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;
return;
}
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;
/* 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);
}
void
RsDoResourceTemplate (
ACPI_PARSE_OBJECT *Op)
{
ACPI_PARSE_OBJECT *BufferLengthOp;
ACPI_PARSE_OBJECT *BufferOp;
ACPI_PARSE_OBJECT *DescriptorTypeOp;
ACPI_PARSE_OBJECT *LastOp = NULL;
ASL_RESOURCE_DESC *Descriptor;
UINT32 CurrentByteOffset = 0;
ASL_RESOURCE_NODE HeadRnode;
ASL_RESOURCE_NODE *PreviousRnode;
ASL_RESOURCE_NODE *Rnode;
UINT8 State;
/* 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 */
State = ACPI_RSTATE_NORMAL;
PreviousRnode = &HeadRnode;
while (DescriptorTypeOp)
{
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);
}
/*
* Insert the EndTag descriptor after all other descriptors have been processed
*/
Rnode = RsAllocateResourceNode (sizeof (ASL_END_TAG_DESC));
Descriptor = Rnode->Buffer;
Descriptor->Et.DescriptorType = ACPI_RDESC_TYPE_END_TAG |
ASL_RDESC_END_TAG_SIZE;
Descriptor->Et.Checksum = 0;
CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
/*
* 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;
BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
BufferLengthOp->Asl.Value.Integer = CurrentByteOffset;
(void) OpcSetOptimalIntegerSize (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;
return;
}
