dsargs.c File Reference

#include "acpi.h"
#include "accommon.h"
#include "acparser.h"
#include "amlcode.h"
#include "acdispat.h"
#include "acnamesp.h"

Include dependency graph for dsargs.c:

Go to the source code of this file.

Macros
#define	_COMPONENT   ACPI_DISPATCHER

Functions
static ACPI_STATUS	AcpiDsExecuteArguments (ACPI_NAMESPACE_NODE *Node, ACPI_NAMESPACE_NODE *ScopeNode, UINT32 AmlLength, UINT8 *AmlStart)
ACPI_STATUS	AcpiDsGetBufferFieldArguments (ACPI_OPERAND_OBJECT *ObjDesc)
ACPI_STATUS	AcpiDsGetBankFieldArguments (ACPI_OPERAND_OBJECT *ObjDesc)
ACPI_STATUS	AcpiDsGetBufferArguments (ACPI_OPERAND_OBJECT *ObjDesc)
ACPI_STATUS	AcpiDsGetPackageArguments (ACPI_OPERAND_OBJECT *ObjDesc)
ACPI_STATUS	AcpiDsGetRegionArguments (ACPI_OPERAND_OBJECT *ObjDesc)

Macro Definition Documentation

_COMPONENT

#define _COMPONENT   ACPI_DISPATCHER

Definition at line 52 of file dsargs.c.

Function Documentation

AcpiDsExecuteArguments()

static ACPI_STATUS AcpiDsExecuteArguments ( ACPI_NAMESPACE_NODE *  Node, ACPI_NAMESPACE_NODE *  ScopeNode, UINT32  AmlLength, UINT8 *  AmlStart  )

static

Definition at line 81 of file dsargs.c.

{
    ACPI_STATUS             Status;
    ACPI_PARSE_OBJECT       *Op;
    ACPI_WALK_STATE         *WalkState;
 
 
    ACPI_FUNCTION_TRACE_PTR (DsExecuteArguments, AmlStart);
 
 
    /* Allocate a new parser op to be the root of the parsed tree */
 
    Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP, AmlStart);
    if (!Op)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }
 
    /* Save the Node for use in AcpiPsParseAml */
 
    Op->Common.Node = ScopeNode;
 
    /* Create and initialize a new parser state */
 
    WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
    if (!WalkState)
    {
        Status = AE_NO_MEMORY;
        goto Cleanup;
    }
 
    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart,
        AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
    if (ACPI_FAILURE (Status))
    {
        AcpiDsDeleteWalkState (WalkState);
        goto Cleanup;
    }
 
    /* Mark this parse as a deferred opcode */
 
    WalkState->ParseFlags = ACPI_PARSE_DEFERRED_OP;
    WalkState->DeferredNode = Node;
 
    /* Pass1: Parse the entire declaration */
 
    Status = AcpiPsParseAml (WalkState);
    if (ACPI_FAILURE (Status))
    {
        goto Cleanup;
    }
 
    /* Get and init the Op created above */
 
    Op->Common.Node = Node;
    AcpiPsDeleteParseTree (Op);
 
    /* Evaluate the deferred arguments */
 
    Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP, AmlStart);
    if (!Op)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }
 
    Op->Common.Node = ScopeNode;
 
    /* Create and initialize a new parser state */
 
    WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
    if (!WalkState)
    {
        Status = AE_NO_MEMORY;
        goto Cleanup;
    }
 
    /* Execute the opcode and arguments */
 
    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart,
        AmlLength, NULL, ACPI_IMODE_EXECUTE);
    if (ACPI_FAILURE (Status))
    {
        AcpiDsDeleteWalkState (WalkState);
        goto Cleanup;
    }
 
    /* Mark this execution as a deferred opcode */
 
    WalkState->DeferredNode = Node;
    Status = AcpiPsParseAml (WalkState);
 
Cleanup:
    AcpiPsDeleteParseTree (Op);
    return_ACPI_STATUS (Status);
}

Referenced by AcpiDsGetBankFieldArguments(), AcpiDsGetBufferArguments(), AcpiDsGetBufferFieldArguments(), AcpiDsGetPackageArguments(), and AcpiDsGetRegionArguments().

AcpiDsGetBankFieldArguments()

ACPI_STATUS AcpiDsGetBankFieldArguments

(

ACPI_OPERAND_OBJECT *

ObjDesc

)

Definition at line 245 of file dsargs.c.

{
    ACPI_OPERAND_OBJECT     *ExtraDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
 
 
    ACPI_FUNCTION_TRACE_PTR (DsGetBankFieldArguments, ObjDesc);
 
 
    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    /* Get the AML pointer (method object) and BankField node */
 
    ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc);
    Node = ObjDesc->BankField.Node;
 
    ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (
        ACPI_TYPE_LOCAL_BANK_FIELD, Node, NULL));
 
    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n",
        AcpiUtGetNodeName (Node)));
 
    /* Execute the AML code for the TermArg arguments */
 
    Status = AcpiDsExecuteArguments (Node, Node->Parent,
        ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart);
    return_ACPI_STATUS (Status);
}

Referenced by AcpiNsInitOneObject().

AcpiDsGetBufferArguments()

ACPI_STATUS AcpiDsGetBufferArguments

(

ACPI_OPERAND_OBJECT *

ObjDesc

)

Definition at line 294 of file dsargs.c.

{
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
 
 
    ACPI_FUNCTION_TRACE_PTR (DsGetBufferArguments, ObjDesc);
 
 
    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    /* Get the Buffer node */
 
    Node = ObjDesc->Buffer.Node;
    if (!Node)
    {
        ACPI_ERROR ((AE_INFO,
            "No pointer back to namespace node in buffer object %p",
            ObjDesc));
        return_ACPI_STATUS (AE_AML_INTERNAL);
    }
 
    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n"));
 
    /* Execute the AML code for the TermArg arguments */
 
    Status = AcpiDsExecuteArguments (Node, Node,
        ObjDesc->Buffer.AmlLength, ObjDesc->Buffer.AmlStart);
    return_ACPI_STATUS (Status);
}

Referenced by AcpiExOpcode_1A_0T_1R(), AcpiExPrepFieldValue(), AcpiExResolveNodeToValue(), and AcpiExResolveObjectToValue().

AcpiDsGetBufferFieldArguments()

ACPI_STATUS AcpiDsGetBufferFieldArguments

(

ACPI_OPERAND_OBJECT *

ObjDesc

)

Definition at line 196 of file dsargs.c.

{
    ACPI_OPERAND_OBJECT     *ExtraDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
 
 
    ACPI_FUNCTION_TRACE_PTR (DsGetBufferFieldArguments, ObjDesc);
 
 
    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    /* Get the AML pointer (method object) and BufferField node */
 
    ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc);
    Node = ObjDesc->BufferField.Node;
 
    ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (
        ACPI_TYPE_BUFFER_FIELD, Node, NULL));
 
    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
        AcpiUtGetNodeName (Node)));
 
    /* Execute the AML code for the TermArg arguments */
 
    Status = AcpiDsExecuteArguments (Node, Node->Parent,
        ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart);
    return_ACPI_STATUS (Status);
}

Referenced by AcpiExFieldDatumIo(), AcpiExReadDataFromField(), and AcpiExWriteDataToField().

AcpiDsGetPackageArguments()

ACPI_STATUS AcpiDsGetPackageArguments

(

ACPI_OPERAND_OBJECT *

ObjDesc

)

Definition at line 344 of file dsargs.c.

{
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
 
 
    ACPI_FUNCTION_TRACE_PTR (DsGetPackageArguments, ObjDesc);
 
 
    if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    /* Get the Package node */
 
    Node = ObjDesc->Package.Node;
    if (!Node)
    {
        ACPI_ERROR ((AE_INFO,
            "No pointer back to namespace node in package %p", ObjDesc));
        return_ACPI_STATUS (AE_AML_INTERNAL);
    }
 
    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Argument Init, AML Ptr: %p\n",
        ObjDesc->Package.AmlStart));
 
    /* Execute the AML code for the TermArg arguments */
 
    Status = AcpiDsExecuteArguments (Node, Node,
        ObjDesc->Package.AmlLength, ObjDesc->Package.AmlStart);
 
    return_ACPI_STATUS (Status);
}

Referenced by AcpiExOpcode_1A_0T_1R(), AcpiExResolveNodeToValue(), AcpiExResolveObjectToValue(), and AcpiNsInitOnePackage().

AcpiDsGetRegionArguments()

ACPI_STATUS AcpiDsGetRegionArguments

(

ACPI_OPERAND_OBJECT *

ObjDesc

)

Definition at line 395 of file dsargs.c.

{
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
    ACPI_OPERAND_OBJECT     *ExtraDesc;
 
 
    ACPI_FUNCTION_TRACE_PTR (DsGetRegionArguments, ObjDesc);
 
 
    if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc);
    if (!ExtraDesc)
    {
        return_ACPI_STATUS (AE_NOT_EXIST);
    }
 
    /* Get the Region node */
 
    Node = ObjDesc->Region.Node;
 
    ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (
        ACPI_TYPE_REGION, Node, NULL));
 
    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
        "[%4.4s] OpRegion Arg Init at AML %p\n",
        AcpiUtGetNodeName (Node), ExtraDesc->Extra.AmlStart));
 
    /* Execute the argument AML */
 
    Status = AcpiDsExecuteArguments (Node, ExtraDesc->Extra.ScopeNode,
        ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }
 
    Status = AcpiUtAddAddressRange (ObjDesc->Region.SpaceId,
        ObjDesc->Region.Address, ObjDesc->Region.Length, Node);
    return_ACPI_STATUS (Status);
}

Referenced by AcpiExLoadOp(), and AcpiExSetupRegion().