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update to acpica-unix2-20140114
update to acpica-unix2-20131115
acpica-unix2-20130823
PANKOVs restructure
@@ -3,11 +3,11 @@
* Module Name: rscreate - Create resource lists/tables
*
******************************************************************************/
/*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * 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:
@@ -52,10 +52,83 @@
ACPI_MODULE_NAME ("rscreate")
/*******************************************************************************
*
+ * FUNCTION: AcpiBufferToResource
+ *
+ * PARAMETERS: AmlBuffer - Pointer to the resource byte stream
+ * AmlBufferLength - Length of the AmlBuffer
+ * ResourcePtr - Where the converted resource is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert a raw AML buffer to a resource list
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiBufferToResource (
+ UINT8 *AmlBuffer,
+ UINT16 AmlBufferLength,
+ ACPI_RESOURCE **ResourcePtr)
+{
+ ACPI_STATUS Status;
+ ACPI_SIZE ListSizeNeeded;
+ void *Resource;
+ void *CurrentResourcePtr;
+
+ /*
+ * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag
+ * is not required here.
+ */
+
+ /* Get the required length for the converted resource */
+
+ Status = AcpiRsGetListLength (AmlBuffer, AmlBufferLength,
+ &ListSizeNeeded);
+ if (Status == AE_AML_NO_RESOURCE_END_TAG)
+ {
+ Status = AE_OK;
+ }
+ if (ACPI_FAILURE (Status))
+ {
+ return (Status);
+ }
+
+ /* Allocate a buffer for the converted resource */
+
+ Resource = ACPI_ALLOCATE_ZEROED (ListSizeNeeded);
+ CurrentResourcePtr = Resource;
+ if (!Resource)
+ {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Perform the AML-to-Resource conversion */
+
+ Status = AcpiUtWalkAmlResources (NULL, AmlBuffer, AmlBufferLength,
+ AcpiRsConvertAmlToResources, &CurrentResourcePtr);
+ if (Status == AE_AML_NO_RESOURCE_END_TAG)
+ {
+ Status = AE_OK;
+ }
+ if (ACPI_FAILURE (Status))
+ {
+ ACPI_FREE (Resource);
+ }
+ else
+ {
+ *ResourcePtr = Resource;
+ }
+
+ return (Status);
+}
+
+
+/*******************************************************************************
+ *
* FUNCTION: AcpiRsCreateResourceList
*
* PARAMETERS: AmlBuffer - Pointer to the resource byte stream
* OutputBuffer - Pointer to the user's buffer
*
@@ -117,11 +190,11 @@
}
/* Do the conversion */
Resource = OutputBuffer->Pointer;
- Status = AcpiUtWalkAmlResources (AmlStart, AmlBufferLength,
+ Status = AcpiUtWalkAmlResources (NULL, AmlStart, AmlBufferLength,
AcpiRsConvertAmlToResources, &Resource);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
@@ -134,12 +207,12 @@
/*******************************************************************************
*
* FUNCTION: AcpiRsCreatePciRoutingTable
*
- * PARAMETERS: PackageObject - Pointer to an ACPI_OPERAND_OBJECT
- * package
+ * PARAMETERS: PackageObject - Pointer to a package containing one
+ * of more ACPI_OPERAND_OBJECTs
* OutputBuffer - Pointer to the user's buffer
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code.
* If the OutputBuffer is too small, the error will be
* AE_BUFFER_OVERFLOW and OutputBuffer->Length will point
@@ -222,20 +295,10 @@
* The minus four is to subtract the size of the UINT8 Source[4] member
* because it is added below.
*/
UserPrt->Length = (sizeof (ACPI_PCI_ROUTING_TABLE) - 4);
- /* Each element of the top-level package must also be a package */
-
- if ((*TopObjectList)->Common.Type != ACPI_TYPE_PACKAGE)
- {
- ACPI_ERROR ((AE_INFO,
- "(PRT[%u]) Need sub-package, found %s",
- Index, AcpiUtGetObjectTypeName (*TopObjectList)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
- }
-
/* Each sub-package must be of length 4 */
if ((*TopObjectList)->Package.Count != 4)
{
ACPI_ERROR ((AE_INFO,
@@ -274,27 +337,10 @@
}
UserPrt->Pin = (UINT32) ObjDesc->Integer.Value;
/*
- * If the BIOS has erroneously reversed the _PRT SourceName (index 2)
- * and the SourceIndex (index 3), fix it. _PRT is important enough to
- * workaround this BIOS error. This also provides compatibility with
- * other ACPI implementations.
- */
- ObjDesc = SubObjectList[3];
- if (!ObjDesc || (ObjDesc->Common.Type != ACPI_TYPE_INTEGER))
- {
- SubObjectList[3] = SubObjectList[2];
- SubObjectList[2] = ObjDesc;
-
- ACPI_WARNING ((AE_INFO,
- "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed",
- Index));
- }
-
- /*
* 3) Third subobject: Dereference the PRT.SourceName
* The name may be unresolved (slack mode), so allow a null object
*/
ObjDesc = SubObjectList[2];
if (ObjDesc)
@@ -325,11 +371,10 @@
/* +1 to include null terminator */
UserPrt->Length += (UINT32) ACPI_STRLEN (UserPrt->Source) + 1;
break;
-
case ACPI_TYPE_STRING:
ACPI_STRCPY (UserPrt->Source, ObjDesc->String.Pointer);
/*
@@ -337,11 +382,10 @@
* (add 1 for terminator)
*/
UserPrt->Length += ObjDesc->String.Length + 1;
break;
-
case ACPI_TYPE_INTEGER:
/*
* If this is a number, then the Source Name is NULL, since the
* entire buffer was zeroed out, we can leave this alone.
*
@@ -348,11 +392,10 @@
* Add to the Length field the length of the UINT32 NULL
*/
UserPrt->Length += sizeof (UINT32);
break;
-
default:
ACPI_ERROR ((AE_INFO,
"(PRT[%u].Source) Need Ref/String/Integer, found %s",
Index, AcpiUtGetObjectTypeName (ObjDesc)));
@@ -390,48 +433,45 @@
/*******************************************************************************
*
* FUNCTION: AcpiRsCreateAmlResources
*
- * PARAMETERS: LinkedListBuffer - Pointer to the resource linked list
- * OutputBuffer - Pointer to the user's buffer
+ * PARAMETERS: ResourceList - Pointer to the resource list buffer
+ * OutputBuffer - Where the AML buffer is returned
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code.
* If the OutputBuffer is too small, the error will be
* AE_BUFFER_OVERFLOW and OutputBuffer->Length will point
* to the size buffer needed.
*
- * DESCRIPTION: Takes the linked list of device resources and
- * creates a bytestream to be used as input for the
- * _SRS control method.
+ * DESCRIPTION: Converts a list of device resources to an AML bytestream
+ * to be used as input for the _SRS control method.
*
******************************************************************************/
ACPI_STATUS
AcpiRsCreateAmlResources (
- ACPI_RESOURCE *LinkedListBuffer,
+ ACPI_BUFFER *ResourceList,
ACPI_BUFFER *OutputBuffer)
{
ACPI_STATUS Status;
ACPI_SIZE AmlSizeNeeded = 0;
ACPI_FUNCTION_TRACE (RsCreateAmlResources);
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
- LinkedListBuffer));
+ /* Params already validated, no need to re-validate here */
- /*
- * Params already validated, so we don't re-validate here
- *
- * Pass the LinkedListBuffer into a module that calculates
- * the buffer size needed for the byte stream.
- */
- Status = AcpiRsGetAmlLength (LinkedListBuffer,
- &AmlSizeNeeded);
+ ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ResourceList Buffer = %p\n",
+ ResourceList->Pointer));
+ /* Get the buffer size needed for the AML byte stream */
+
+ Status = AcpiRsGetAmlLength (ResourceList->Pointer,
+ ResourceList->Length, &AmlSizeNeeded);
+
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
(UINT32) AmlSizeNeeded, AcpiFormatException (Status)));
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
@@ -445,17 +485,16 @@
return_ACPI_STATUS (Status);
}
/* Do the conversion */
- Status = AcpiRsConvertResourcesToAml (LinkedListBuffer, AmlSizeNeeded,
- OutputBuffer->Pointer);
+ Status = AcpiRsConvertResourcesToAml (ResourceList->Pointer,
+ AmlSizeNeeded, OutputBuffer->Pointer);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
return_ACPI_STATUS (AE_OK);
}
-