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Support for AccessAttributes

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date	2000.04.20.22.33.00;	author rmoore1;	state Exp;
This commit is contained in:
aystarik 2005-06-29 17:42:02 +00:00
parent 94fa0842be
commit a4bf271cfb
1 changed files with 243 additions and 178 deletions
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421
source/components/executer/exprep.c
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@ -226,10 +226,10 @@ AmlResolveOperands (
goto Cleanup;
}
if (ObjectType == (UINT8) INTERNAL_TYPE_Lvalue)
if (ObjectType == (UINT8) INTERNAL_TYPE_Reference)
{
/*
* Decode the Lvalue
* Decode the Reference
*/
OpInfo = PsGetOpcodeInfo (Opcode);
@ -239,7 +239,7 @@ AmlResolveOperands (
}
switch (ObjDesc->Lvalue.OpCode)
switch (ObjDesc->Reference.OpCode)
{
case AML_ZeroOp:
case AML_OneOp:
@ -250,11 +250,11 @@ AmlResolveOperands (
case AML_ArgOp:
case AML_LocalOp:
DEBUG_PRINT (ACPI_INFO, ("Lvalue Opcode: %s\n", OpInfo->Name));
DEBUG_PRINT (ACPI_INFO, ("Reference Opcode: %s\n", OpInfo->Name));
break;
default:
DEBUG_PRINT (ACPI_INFO, ("Lvalue Opcode: Unknown [%02x]\n", ObjDesc->Lvalue.OpCode));
DEBUG_PRINT (ACPI_INFO, ("Reference Opcode: Unknown [%02x]\n", ObjDesc->Reference.OpCode));
Status = AE_AML_OPERAND_TYPE;
goto Cleanup;
@ -286,30 +286,30 @@ AmlResolveOperands (
switch (ThisArgType)
{
case ARGI_LVALUE: /* Lvalue */
case ARGI_REFERENCE: /* Reference */
case ARGI_TARGETREF:
/* Need an operand of type INTERNAL_TYPE_Lvalue */
/* Need an operand of type INTERNAL_TYPE_Reference */
if (VALID_DESCRIPTOR_TYPE (ObjDesc, DESC_TYPE_NTE)) /* direct name ptr OK as-is */
{
break;
}
if (INTERNAL_TYPE_Lvalue != ObjectType)
if (INTERNAL_TYPE_Reference != ObjectType)
{
DEBUG_PRINT (ACPI_INFO, ("AmlResolveOperands: Needed Lvalue, found %s Obj=%p\n",
DEBUG_PRINT (ACPI_INFO, ("AmlResolveOperands: Needed Reference, found %s Obj=%p\n",
CmGetTypeName (ObjectType), *StackPtr));
Status = AE_AML_OPERAND_TYPE;
goto Cleanup;
}
if (AML_NameOp == ObjDesc->Lvalue.OpCode)
if (AML_NameOp == ObjDesc->Reference.OpCode)
{
/* Convert an indirect name ptr to direct name ptr and put it on the stack */
TempHandle = ObjDesc->Lvalue.Object;
CmDeleteInternalObject (ObjDesc);
TempHandle = ObjDesc->Reference.Object;
CmRemoveReference (ObjDesc);
(*StackPtr) = TempHandle;
}
break;
@ -319,7 +319,7 @@ AmlResolveOperands (
/* Need an operand of type ACPI_TYPE_Number */
if ((Status = AmlGetRvalue (StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue (StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -338,7 +338,7 @@ AmlResolveOperands (
/* Need an operand of type ACPI_TYPE_String or ACPI_TYPE_Buffer */
if ((Status = AmlGetRvalue (StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue (StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -358,7 +358,7 @@ AmlResolveOperands (
/* Need an operand of type ACPI_TYPE_Buffer */
if ((Status = AmlGetRvalue(StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue(StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -377,7 +377,7 @@ AmlResolveOperands (
/* Need an operand of type ACPI_TYPE_Mutex */
if ((Status = AmlGetRvalue(StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue(StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -396,7 +396,7 @@ AmlResolveOperands (
/* Need an operand of type ACPI_TYPE_Event */
if ((Status = AmlGetRvalue(StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue(StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -411,6 +411,25 @@ AmlResolveOperands (
break;
case ARGI_REGION:
/* Need an operand of type ACPI_TYPE_Region */
if ((Status = AmlResolveToValue(StackPtr)) != AE_OK)
{
goto Cleanup;
}
if (ACPI_TYPE_Region != (*StackPtr)->Common.Type)
{
DEBUG_PRINT (ACPI_INFO, ("AmlResolveOperands: Needed Region, found %s Obj=%p\n",
CmGetTypeName (ObjectType), *StackPtr));
Status = AE_AML_OPERAND_TYPE;
goto Cleanup;
}
break;
case ARGI_IF: /* If */
/* Need an operand of type INTERNAL_TYPE_If */
@ -429,7 +448,7 @@ AmlResolveOperands (
/* Need an operand of type ACPI_TYPE_Package */
if ((Status = AmlGetRvalue (StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue (StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -451,7 +470,7 @@ AmlResolveOperands (
* Store (RefOf (NAME), Local0))
*/
if ((Status = AmlGetRvalue (StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue (StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -464,7 +483,7 @@ AmlResolveOperands (
case ARGI_DATAOBJECT:
if ((Status = AmlGetRvalue (StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue (StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -485,7 +504,7 @@ AmlResolveOperands (
case ARGI_COMPLEXOBJ:
if ((Status = AmlGetRvalue (StackPtr)) != AE_OK)
if ((Status = AmlResolveToValue (StackPtr)) != AE_OK)
{
goto Cleanup;
}
@ -578,77 +597,56 @@ AmlDecodeFieldAccessType (
}
/*****************************************************************************
*
* FUNCTION: AmlPrepDefFieldValue
* FUNCTION: AmlPrepCommonFieldObjec
*
* PARAMETERS: Region - Region in which field is being defined
* FldFlg - Access, LockRule, or UpdateRule.
* PARAMETERS: ObjDesc - The field object
* FieldFlags - Access, LockRule, or UpdateRule.
* The format of a FieldFlag is described
* in the ACPI specification and in <aml.h>
* FldPos - Field position
* FldLen - Field length
* FieldPosition - Field position
* FieldLength - Field length
*
* RETURN: Status
*
* DESCRIPTION: Construct an ACPI_OBJECT_INTERNAL of type DefField and connect
* it to the nte whose handle is at the object stack top.
* DESCRIPTION: Initialize the areas of the field object that are common
* to the various types of fields.
*
****************************************************************************/
ACPI_STATUS
AmlPrepDefFieldValue (
NAME_TABLE_ENTRY *ThisEntry,
ACPI_HANDLE Region,
UINT8 FldFlg,
INT32 FldPos,
INT32 FldLen)
AmlPrepCommonFieldObject (
ACPI_OBJECT_INTERNAL *ObjDesc,
UINT8 FieldFlags,
UINT8 FieldAttribute,
UINT32 FieldPosition,
UINT32 FieldLength)
{
ACPI_OBJECT_INTERNAL *ObjDesc = NULL;
INT32 Type;
UINT32 Granularity;
FUNCTION_TRACE ("AmlPrepDefFieldValue");
FUNCTION_TRACE ("AmlPrepCommonFieldObject");
if (!Region)
{
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepDefFieldValue: null Region\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
}
/*
* Note: the structure being initialized is the
* ACPI_COMMON_FIELD_INFO; Therefore, we can just use the Field union to
* access this common area. No structure fields outside of the common area
* are initialized by this procedure.
*/
/* Region typecheck */
/* Decode the FieldFlags */
if (ACPI_TYPE_Region != (Type = NsGetType (Region)))
{
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepDefFieldValue: Needed Region, found %d %s\n",
Type, CmGetTypeName (Type)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
}
ObjDesc->Field.Access = (UINT8) ((FieldFlags & ACCESS_TYPE_MASK) >> ACCESS_TYPE_SHIFT);
ObjDesc->Field.LockRule = (UINT8) ((FieldFlags & LOCK_RULE_MASK) >> LOCK_RULE_SHIFT);
ObjDesc->Field.UpdateRule = (UINT8) ((FieldFlags & UPDATE_RULE_MASK) >> UPDATE_RULE_SHIFT);
/* Allocate a new object */
/* Other misc fields */
ObjDesc = CmCreateInternalObject (INTERNAL_TYPE_DefField);
if (!ObjDesc)
{
/* Unable to allocate new object descriptor */
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* ObjDesc and Region valid */
DUMP_OPERANDS ((ACPI_OBJECT_INTERNAL **) &ThisEntry, IMODE_Execute, "AmlPrepDefFieldValue", 1, "case DefField");
DUMP_OPERANDS ((ACPI_OBJECT_INTERNAL **) &Region, IMODE_Execute, "AmlPrepDefFieldValue", 1, "case DefField");
/* ObjDesc, Region, and ObjDesc->Field.Type valid */
ObjDesc->Field.Length = (UINT16) FldLen;
ObjDesc->Field.UpdateRule = (UINT8) ((FldFlg & UPDATE_RULE_MASK) >> UPDATE_RULE_SHIFT);
ObjDesc->Field.LockRule = (UINT8) ((FldFlg & LOCK_RULE_MASK) >> LOCK_RULE_SHIFT);
ObjDesc->Field.Access = (UINT8) ((FldFlg & ACCESS_TYPE_MASK) >> ACCESS_TYPE_SHIFT);
ObjDesc->Field.Length = (UINT16) FieldLength;
ObjDesc->Field.AccessAttribute = FieldAttribute;
/* Decode the access type so we can compute offsets */
@ -658,44 +656,12 @@ AmlPrepDefFieldValue (
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
}
/* Compute field offset and bit offset within the minimum read/write data unit */
/* Access granularity based fields */
ObjDesc->Field.Granularity = (UINT8) Granularity;
ObjDesc->Field.BitOffset = (UINT8) (FldPos % Granularity);
ObjDesc->Field.Offset = (UINT32) FldPos / Granularity;
ObjDesc->Field.Container = NsGetAttachedObject (Region);
ObjDesc->Field.Granularity = (UINT8) Granularity;
ObjDesc->Field.BitOffset = (UINT8) (FieldPosition % Granularity);
ObjDesc->Field.Offset = (UINT32) FieldPosition / Granularity;
/* An additional reference for the container */
CmUpdateObjectReference (ObjDesc->Field.Container, REF_INCREMENT);
/* Debug output only */
DEBUG_PRINT (ACPI_INFO, ("AmlPrepDefFieldValue: bitoff=%X off=%X gran=%X\n",
ObjDesc->Field.BitOffset, ObjDesc->Field.Offset, Granularity));
DEBUG_PRINT (ACPI_INFO, ("AmlPrepDefFieldValue: set nte %p (%4.4s) val = %p\n",
ThisEntry, &(ThisEntry->Name), ObjDesc));
DUMP_STACK_ENTRY (ObjDesc);
DUMP_ENTRY (Region, ACPI_INFO);
DEBUG_PRINT (ACPI_INFO, ("\t%p \n", ObjDesc->Field.Container));
if (ObjDesc->Field.Container)
{
DUMP_STACK_ENTRY (ObjDesc->Field.Container);
}
DEBUG_PRINT (ACPI_INFO,
("============================================================\n"));
/*
* Store the constructed descriptor (ObjDesc) into the nte whose
* handle is on TOS, preserving the current type of that nte.
*/
NsAttachObject ((ACPI_HANDLE) ThisEntry, ObjDesc,
(UINT8) NsGetType ((ACPI_HANDLE) ThisEntry));
return_ACPI_STATUS (AE_OK);
}
@ -703,19 +669,131 @@ AmlPrepDefFieldValue (
/*****************************************************************************
*
* FUNCTION: AmlPrepBankFieldValue
* FUNCTION: AmlPrepDefFieldValue
*
* PARAMETERS: Region - Region in which field is being defined
* BankReg - Bank selection register
* BankVal - Value to store in selection register
* FldFlg - Access, LockRule, or UpdateRule
* FldPos - Field position
* FldLen - Field length
* PARAMETERS: ThisEntry - Owning NTE
* Region - Region in which field is being defined
* FieldFlags - Access, LockRule, or UpdateRule.
* The format of a FieldFlag is described
* in the ACPI specification and in <aml.h>
* FieldPosition - Field position
* FieldLength - Field length
*
* RETURN: Status
*
* DESCRIPTION: Construct an ACPI_OBJECT_INTERNAL of type BankField and connect
* it to the nte whose handle is at the object stack top
* DESCRIPTION: Construct an ACPI_OBJECT_INTERNAL of type DefField and
* connect it to the parent NTE.
*
****************************************************************************/
ACPI_STATUS
AmlPrepDefFieldValue (
NAME_TABLE_ENTRY *ThisEntry,
ACPI_HANDLE Region,
UINT8 FieldFlags,
UINT8 FieldAttribute,
UINT32 FieldPosition,
UINT32 FieldLength)
{
ACPI_OBJECT_INTERNAL *ObjDesc;
INT32 Type;
ACPI_STATUS Status;
FUNCTION_TRACE ("AmlPrepDefFieldValue");
/* Parameter validation */
if (!Region)
{
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepDefFieldValue: null Region\n"));
return_ACPI_STATUS (AE_AML_NO_OPERAND);
}
Type = NsGetType (Region);
if (Type != ACPI_TYPE_Region)
{
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepDefFieldValue: Needed Region, found %d %s\n",
Type, CmGetTypeName (Type)));
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
}
/* Allocate a new object */
ObjDesc = CmCreateInternalObject (INTERNAL_TYPE_DefField);
if (!ObjDesc)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* ObjDesc and Region valid */
DUMP_OPERANDS ((ACPI_OBJECT_INTERNAL **) &ThisEntry, IMODE_Execute, "AmlPrepDefFieldValue", 1, "case DefField");
DUMP_OPERANDS ((ACPI_OBJECT_INTERNAL **) &Region, IMODE_Execute, "AmlPrepDefFieldValue", 1, "case DefField");
/* Initialize areas of the object that are common to all fields */
Status = AmlPrepCommonFieldObject (ObjDesc, FieldFlags, FieldAttribute, FieldPosition, FieldLength);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Initialize areas of the object that are specific to this field type */
ObjDesc->Field.Container = NsGetAttachedObject (Region);
/* An additional reference for the container */
CmUpdateObjectReference (ObjDesc->Field.Container, REF_INCREMENT);
/* Debug info */
DEBUG_PRINT (ACPI_INFO, ("AmlPrepDefFieldValue: bitoff=%X off=%X gran=%X\n",
ObjDesc->Field.BitOffset, ObjDesc->Field.Offset, ObjDesc->Field.Granularity));
DEBUG_PRINT (ACPI_INFO, ("AmlPrepDefFieldValue: set nte %p (%4.4s) val = %p\n",
ThisEntry, &(ThisEntry->Name), ObjDesc));
DUMP_STACK_ENTRY (ObjDesc);
DUMP_ENTRY (Region, ACPI_INFO);
DEBUG_PRINT (ACPI_INFO, ("\t%p \n", ObjDesc->Field.Container));
if (ObjDesc->Field.Container)
{
DUMP_STACK_ENTRY (ObjDesc->Field.Container);
}
DEBUG_PRINT (ACPI_INFO, ("============================================================\n"));
/*
* Store the constructed descriptor (ObjDesc) into the nte whose
* handle is on TOS, preserving the current type of that nte.
*/
Status = NsAttachObject ((ACPI_HANDLE) ThisEntry, ObjDesc,
(UINT8) NsGetType ((ACPI_HANDLE) ThisEntry));
return_ACPI_STATUS (Status);
}
/*****************************************************************************
*
* FUNCTION: AmlPrepBankFieldValue
*
* PARAMETERS: ThisEntry - Owning NTE
* Region - Region in which field is being defined
* BankReg - Bank selection register
* BankVal - Value to store in selection register
* FieldFlags - Access, LockRule, or UpdateRule
* FieldPosition - Field position
* FieldLength - Field length
*
* RETURN: Status
*
* DESCRIPTION: Construct an ACPI_OBJECT_INTERNAL of type BankField and
* connect it to the parent NTE.
*
****************************************************************************/
@ -725,18 +803,21 @@ AmlPrepBankFieldValue (
ACPI_HANDLE Region,
ACPI_HANDLE BankReg,
UINT32 BankVal,
UINT8 FldFlg,
INT32 FldPos,
INT32 FldLen)
UINT8 FieldFlags,
UINT8 FieldAttribute,
UINT32 FieldPosition,
UINT32 FieldLength)
{
ACPI_OBJECT_INTERNAL *ObjDesc = NULL;
ACPI_OBJECT_INTERNAL *ObjDesc;
INT32 Type;
UINT32 Granularity;
ACPI_STATUS Status;
FUNCTION_TRACE ("AmlPrepBankFieldValue");
/* Parameter validation */
if (!Region)
{
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepBankFieldValue: null Region\n"));
@ -756,8 +837,6 @@ AmlPrepBankFieldValue (
ObjDesc = CmCreateInternalObject (INTERNAL_TYPE_BankField);
if (!ObjDesc)
{
/* Unable to allocate new object descriptor */
return_ACPI_STATUS (AE_NO_MEMORY);
}
@ -766,24 +845,16 @@ AmlPrepBankFieldValue (
DUMP_OPERANDS ((ACPI_OBJECT_INTERNAL **) &ThisEntry, IMODE_Execute, "AmlPrepBankFieldValue", 1, "case BankField");
DUMP_OPERANDS ((ACPI_OBJECT_INTERNAL **) &Region, IMODE_Execute, "AmlPrepBankFieldValue", 1, "case BankField");
/* ObjDesc, Region, and ObjDesc->BankField.ValTyp valid */
/* Initialize areas of the object that are common to all fields */
ObjDesc->BankField.Access = (UINT8) ((FldFlg & ACCESS_TYPE_MASK) >> ACCESS_TYPE_SHIFT);
ObjDesc->BankField.LockRule = (UINT8) ((FldFlg & LOCK_RULE_MASK) >> LOCK_RULE_SHIFT);
ObjDesc->BankField.UpdateRule = (UINT8) ((FldFlg & UPDATE_RULE_MASK) >> UPDATE_RULE_SHIFT);
ObjDesc->BankField.Length = (UINT16) FldLen;
/* Decode the access type so we can compute offsets */
Granularity = AmlDecodeFieldAccessType (ObjDesc->Field.Access);
if (!Granularity)
Status = AmlPrepCommonFieldObject (ObjDesc, FieldFlags, FieldAttribute, FieldPosition, FieldLength);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
return_ACPI_STATUS (Status);
}
ObjDesc->Field.Granularity = (UINT8) Granularity;
ObjDesc->BankField.BitOffset = (UINT8) (FldPos % Granularity);
ObjDesc->BankField.Offset = (UINT32) (FldPos / Granularity);
/* Initialize areas of the object that are specific to this field type */
ObjDesc->BankField.Value = BankVal;
ObjDesc->BankField.Container = NsGetAttachedObject (Region);
ObjDesc->BankField.BankSelect = NsGetAttachedObject (BankReg);
@ -794,8 +865,10 @@ AmlPrepBankFieldValue (
CmUpdateObjectReference (ObjDesc->BankField.Container, REF_INCREMENT);
CmUpdateObjectReference (ObjDesc->BankField.BankSelect, REF_INCREMENT);
/* Debug info */
DEBUG_PRINT (ACPI_INFO, ("AmlPrepBankFieldValue: bitoff=%X off=%X gran=%X\n",
ObjDesc->BankField.BitOffset, ObjDesc->BankField.Offset, Granularity));
ObjDesc->BankField.BitOffset, ObjDesc->BankField.Offset, ObjDesc->Field.Granularity));
DEBUG_PRINT (ACPI_INFO, ("AmlPrepBankFieldValue: set nte %p (%4.4s) val = %p\n",
ThisEntry, &(ThisEntry->Name), ObjDesc));
@ -803,19 +876,16 @@ AmlPrepBankFieldValue (
DUMP_STACK_ENTRY (ObjDesc);
DUMP_ENTRY (Region, ACPI_INFO);
DUMP_ENTRY (BankReg, ACPI_INFO);
DEBUG_PRINT (ACPI_INFO,
("============================================================\n"));
DEBUG_PRINT (ACPI_INFO, ("============================================================\n"));
/*
* Store the constructed descriptor (ObjDesc) into the nte whose
* handle is on TOS, preserving the current type of that nte.
*/
NsAttachObject ((ACPI_HANDLE) ThisEntry, ObjDesc,
(UINT8) NsGetType ((ACPI_HANDLE) ThisEntry));
Status = NsAttachObject ((ACPI_HANDLE) ThisEntry, ObjDesc,
(UINT8) NsGetType ((ACPI_HANDLE) ThisEntry));
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS (Status);
}
@ -823,16 +893,17 @@ AmlPrepBankFieldValue (
*
* FUNCTION: AmlPrepIndexFieldValue
*
* PARAMETERS: IndexReg - Index register
* PARAMETERS: ThisEntry - Owning NTE
* IndexReg - Index register
* DataReg - Data register
* FldFlg - Access, LockRule, or UpdateRule
* FldPos - Field position
* FldLen - Field length
* FieldFlags - Access, LockRule, or UpdateRule
* FieldPosition - Field position
* FieldLength - Field length
*
* RETURN: Status
*
* DESCRIPTION: Construct an ACPI_OBJECT_INTERNAL of type IndexField and connect
* it to the nte whose handle is at the object stack top
* DESCRIPTION: Construct an ACPI_OBJECT_INTERNAL of type IndexField and
* connect it to the parent NTE.
*
****************************************************************************/
@ -841,17 +912,20 @@ AmlPrepIndexFieldValue (
NAME_TABLE_ENTRY *ThisEntry,
ACPI_HANDLE IndexReg,
ACPI_HANDLE DataReg,
UINT8 FldFlg,
INT32 FldPos,
INT32 FldLen)
UINT8 FieldFlags,
UINT8 FieldAttribute,
UINT32 FieldPosition,
UINT32 FieldLength)
{
ACPI_OBJECT_INTERNAL *ObjDesc = NULL;
UINT32 Granularity;
ACPI_OBJECT_INTERNAL *ObjDesc;
ACPI_STATUS Status;
FUNCTION_TRACE ("AmlPrepIndexFieldValue");
/* Parameter validation */
if (!IndexReg || !DataReg)
{
DEBUG_PRINT (ACPI_ERROR, ("AmlPrepIndexFieldValue: null handle\n"));
@ -863,34 +937,27 @@ AmlPrepIndexFieldValue (
ObjDesc = CmCreateInternalObject (INTERNAL_TYPE_IndexField);
if (!ObjDesc)
{
/* Unable to allocate new object descriptor */
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* ObjDesc, IndexRegion, and DataReg, and ObjDesc->IndexField.ValTyp valid */
/* Initialize areas of the object that are common to all fields */
ObjDesc->IndexField.Access = (UINT8) ((FldFlg & ACCESS_TYPE_MASK) >> ACCESS_TYPE_SHIFT);
ObjDesc->IndexField.LockRule = (UINT8) ((FldFlg & LOCK_RULE_MASK) >> LOCK_RULE_SHIFT);
ObjDesc->IndexField.UpdateRule = (UINT8) ((FldFlg & UPDATE_RULE_MASK) >> UPDATE_RULE_SHIFT);
ObjDesc->IndexField.Length = (UINT16) FldLen;
/* Decode the access type so we can compute offsets */
Granularity = AmlDecodeFieldAccessType (ObjDesc->Field.Access);
if (!Granularity)
Status = AmlPrepCommonFieldObject (ObjDesc, FieldFlags, FieldAttribute, FieldPosition, FieldLength);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
return_ACPI_STATUS (Status);
}
ObjDesc->Field.Granularity = (UINT8) Granularity;
ObjDesc->IndexField.BitOffset = (UINT8) (FldPos % Granularity);
ObjDesc->IndexField.Value = (UINT32) (FldPos / Granularity);
/* Initialize areas of the object that are specific to this field type */
ObjDesc->IndexField.Value = (UINT32) (FieldPosition / ObjDesc->Field.Granularity);
ObjDesc->IndexField.Index = IndexReg;
ObjDesc->IndexField.Data = DataReg;
/* Debug info */
DEBUG_PRINT (ACPI_INFO, ("AmlPrepIndexFieldValue: bitoff=%X off=%X gran=%X\n",
ObjDesc->IndexField.BitOffset, ObjDesc->IndexField.Offset, Granularity));
ObjDesc->IndexField.BitOffset, ObjDesc->IndexField.Offset, ObjDesc->Field.Granularity));
DEBUG_PRINT (ACPI_INFO, ("AmlPrepIndexFieldValue: set nte %p (%4.4s) val = %p\n",
ThisEntry, &(ThisEntry->Name), ObjDesc));
@ -898,17 +965,15 @@ AmlPrepIndexFieldValue (
DUMP_STACK_ENTRY (ObjDesc);
DUMP_ENTRY (IndexReg, ACPI_INFO);
DUMP_ENTRY (DataReg, ACPI_INFO);
DEBUG_PRINT (ACPI_INFO,
("============================================================\n"));
DEBUG_PRINT (ACPI_INFO, ("============================================================\n"));
/*
* Store the constructed descriptor (ObjDesc) into the nte whose
* handle is on TOS, preserving the current type of that nte.
*/
NsAttachObject ((ACPI_HANDLE) ThisEntry, ObjDesc,
(UINT8) NsGetType ((ACPI_HANDLE) ThisEntry));
Status = NsAttachObject ((ACPI_HANDLE) ThisEntry, ObjDesc,
(UINT8) NsGetType ((ACPI_HANDLE) ThisEntry));
return_ACPI_STATUS (AE_OK);
return_ACPI_STATUS (Status);
}