[edk2-devel] [PATCH v1 14/30] DynamicTablesPkg: AML debug logging
Sami Mujawar
sami.mujawar at arm.com
Wed Aug 12 15:22:20 UTC 2020
From: Pierre Gondois <pierre.gondois at arm.com>
The AML debug print functions enable logging
of the operations on the AML tree and the data
output. The debug logging functionality is
enabled for debug builds when the DEBUG_INFO
or DEBUG_VERBOSE mask is enabled in the PCD
gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel
Signed-off-by: Pierre Gondois <pierre.gondois at arm.com>
Signed-off-by: Sami Mujawar <sami.mujawar at arm.com>
---
DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.c | 546 ++++++++++++++++++++
DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.h | 154 ++++++
2 files changed, 700 insertions(+)
diff --git a/DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.c b/DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.c
new file mode 100644
index 0000000000000000000000000000000000000000..7b11cc8e994903b3a9d2dcfd1241b8a447759717
--- /dev/null
+++ b/DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.c
@@ -0,0 +1,546 @@
+/** @file
+ AML Print Function.
+
+ Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved. <BR>
+ Copyright (c) 2019 - 2020, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <AmlNodeDefines.h>
+#include <AmlDbgPrint/AmlDbgPrint.h>
+
+#include <AmlCoreInterface.h>
+#include <String/AmlString.h>
+#include <Tree/AmlNode.h>
+#include <Tree/AmlTreeTraversal.h>
+
+#if !defined (MDEPKG_NDEBUG)
+
+/** String table representing AML Data types as defined by EAML_NODE_DATA_TYPE.
+*/
+CONST CHAR8 * NodeDataTypeStrTbl[] = {
+ "EAmlNodeDataTypeNone",
+ "EAmlNodeDataTypeReserved1",
+ "EAmlNodeDataTypeReserved2",
+ "EAmlNodeDataTypeReserved3",
+ "EAmlNodeDataTypeReserved4",
+ "EAmlNodeDataTypeReserved5",
+ "EAmlNodeDataTypeNameString",
+ "EAmlNodeDataTypeString",
+ "EAmlNodeDataTypeUInt",
+ "EAmlNodeDataTypeRaw",
+ "EAmlNodeDataTypeResourceData",
+ "EAmlNodeDataTypeFieldPkgLen",
+ "EAmlNodeDataTypeMax"
+};
+
+/** String table representing AML Node types as defined by EAML_NODE_TYPE.
+*/
+CONST CHAR8 * NodeTypeStrTbl[] = {
+ "EAmlNodeUnknown",
+ "EAmlNodeRoot",
+ "EAmlNodeObject",
+ "EAmlNodeData",
+ "EAmlNodeMax"
+};
+
+/** Print Size chars at Buffer address.
+
+ @param [in] ErrorLevel Error level for the DEBUG macro.
+ @param [in] Buffer Buffer containing the chars.
+ @param [in] Size Number of chars to print.
+**/
+VOID
+EFIAPI
+AmlDbgPrintChars (
+ IN UINT32 ErrorLevel,
+ IN CONST CHAR8 * Buffer,
+ IN UINT32 Size
+ )
+{
+ UINT32 i;
+
+ if (Buffer == NULL) {
+ ASSERT (0);
+ return;
+ }
+
+ for (i = 0; i < Size; i++) {
+ DEBUG ((ErrorLevel, "%c", Buffer[i]));
+ }
+}
+
+/** Print an AML NameSeg.
+ Don't print trailing underscores ('_').
+
+ @param [in] Buffer Buffer containing an AML NameSeg.
+**/
+VOID
+EFIAPI
+AmlDbgPrintNameSeg (
+ IN CONST CHAR8 * Buffer
+ )
+{
+ if (Buffer == NULL) {
+ ASSERT (0);
+ return;
+ }
+
+ DEBUG ((DEBUG_INFO, "%c", Buffer[0]));
+ if ((Buffer[1] == AML_NAME_CHAR__) &&
+ (Buffer[2] == AML_NAME_CHAR__) &&
+ (Buffer[3] == AML_NAME_CHAR__)) {
+ return;
+ }
+ DEBUG ((DEBUG_INFO, "%c", Buffer[1]));
+ if ((Buffer[2] == AML_NAME_CHAR__) &&
+ (Buffer[3] == AML_NAME_CHAR__)) {
+ return;
+ }
+ DEBUG ((DEBUG_INFO, "%c", Buffer[2]));
+ if (Buffer[3] == AML_NAME_CHAR__) {
+ return;
+ }
+ DEBUG ((DEBUG_INFO, "%c", Buffer[3]));
+ return;
+}
+
+/** Print an AML NameString.
+
+ @param [in] Buffer Buffer containing an AML NameString.
+ @param [in] NewLine Print a newline char at the end of the NameString.
+**/
+VOID
+EFIAPI
+AmlDbgPrintNameString (
+ IN CONST CHAR8 * Buffer,
+ IN BOOLEAN NewLine
+ )
+{
+ UINT8 SegCount;
+ UINT8 Index;
+
+ if (Buffer == NULL) {
+ ASSERT (0);
+ return;
+ }
+
+ // Handle Root and Parent(s).
+ if (*Buffer == AML_ROOT_CHAR) {
+ Buffer++;
+ DEBUG ((DEBUG_INFO, "\\"));
+ } else if (*Buffer == AML_PARENT_PREFIX_CHAR) {
+ do {
+ Buffer++;
+ DEBUG ((DEBUG_INFO, "^"));
+ } while (*Buffer == AML_PARENT_PREFIX_CHAR);
+ }
+
+ // Handle SegCount(s).
+ if (*Buffer == AML_DUAL_NAME_PREFIX) {
+ Buffer++;
+ SegCount = 2;
+ } else if (*Buffer == AML_MULTI_NAME_PREFIX) {
+ Buffer++;
+ // For multi name prefix the seg count is in the second byte.
+ SegCount = *Buffer;
+ Buffer++;
+ } else if (AmlIsLeadNameChar (*Buffer)) {
+ // Only check the first char first to avoid overflow.
+ // Then the whole NameSeg can be checked.
+ if (!AmlIsNameSeg (Buffer)) {
+ ASSERT (0);
+ return;
+ }
+ SegCount = 1;
+ } else if (*Buffer == AML_ZERO_OP) {
+ SegCount = 0;
+ } else {
+ // Should not be possible.
+ ASSERT (0);
+ return;
+ }
+
+ if (SegCount != 0) {
+ AmlDbgPrintNameSeg (Buffer);
+ Buffer += AML_NAME_SEG_SIZE;
+ for (Index = 0; Index < SegCount - 1; Index++) {
+ DEBUG ((DEBUG_INFO, "."));
+ AmlDbgPrintNameSeg (Buffer);
+ Buffer += AML_NAME_SEG_SIZE;
+ }
+ }
+
+ if (NewLine) {
+ DEBUG ((DEBUG_INFO, "\n"));
+ }
+
+ return;
+}
+
+/** Print the information contained in the header of the Node.
+
+ @param [in] Node Pointer to a node.
+ @param [in] Level Level of the indentation.
+**/
+STATIC
+VOID
+EFIAPI
+AmlDbgPrintNodeHeader (
+ IN AML_NODE_HEADER * Node,
+ IN UINT8 Level
+ )
+{
+ if (!IS_AML_NODE_VALID (Node)) {
+ ASSERT (0);
+ return;
+ }
+
+ DEBUG ((
+ DEBUG_INFO,
+ "%3d | %-15s | ",
+ Level,
+ NodeTypeStrTbl[Node->NodeType]
+ ));
+}
+
+/** Print fields of a data node.
+
+ @param [in] DataNode Pointer to a data node.
+ @param [in] Level Level of the indentation.
+**/
+STATIC
+VOID
+EFIAPI
+AmlDbgPrintDataNode (
+ IN AML_DATA_NODE * DataNode,
+ IN UINT8 Level
+ )
+{
+ UINT32 Idx;
+
+ if (!IS_AML_DATA_NODE (DataNode)) {
+ ASSERT (0);
+ return;
+ }
+
+ AmlDbgPrintNodeHeader ((AML_NODE_HEADER*)DataNode, Level);
+
+ DEBUG ((DEBUG_INFO, "%-36s | ", NodeDataTypeStrTbl[DataNode->DataType]));
+ DEBUG ((DEBUG_INFO, "0x%04x | ", DataNode->Size));
+
+ if ((DataNode->DataType == EAmlNodeDataTypeNameString) ||
+ (DataNode->DataType == EAmlNodeDataTypeString)) {
+ AmlDbgPrintChars (
+ DEBUG_INFO,
+ (CONST CHAR8*)DataNode->Buffer,
+ DataNode->Size
+ );
+ } else if (DataNode->DataType == EAmlNodeDataTypeUInt) {
+ switch (DataNode->Size) {
+ case 1:
+ {
+ DEBUG ((DEBUG_INFO, "0x%0x", *((UINT8*)DataNode->Buffer)));
+ break;
+ }
+ case 2:
+ {
+ DEBUG ((DEBUG_INFO, "0x%0x", *((UINT16*)DataNode->Buffer)));
+ break;
+ }
+ case 4:
+ {
+ DEBUG ((DEBUG_INFO, "0x%0lx", *((UINT32*)DataNode->Buffer)));
+ break;
+ }
+ case 8:
+ {
+ DEBUG ((DEBUG_INFO, "0x%0llx", *((UINT64*)DataNode->Buffer)));
+ break;
+ }
+ default:
+ {
+ ASSERT (0);
+ return;
+ }
+ }
+ } else {
+ // No specific format.
+ for (Idx = 0; Idx < DataNode->Size; Idx++) {
+ DEBUG ((DEBUG_INFO, "%02x ", DataNode->Buffer[Idx]));
+ }
+ }
+
+ DEBUG ((DEBUG_INFO, "\n"));
+}
+
+/** Print fields of an object node.
+
+ @param [in] ObjectNode Pointer to an object node.
+ @param [in] Level Level of the indentation.
+**/
+STATIC
+VOID
+EFIAPI
+AmlDbgPrintObjectNode (
+ IN AML_OBJECT_NODE * ObjectNode,
+ IN UINT8 Level
+ )
+{
+ if (!IS_AML_OBJECT_NODE (ObjectNode)) {
+ ASSERT (0);
+ return;
+ }
+
+ AmlDbgPrintNodeHeader ((AML_NODE_HEADER*)ObjectNode, Level);
+
+ DEBUG ((DEBUG_INFO, "0x%02x | ", ObjectNode->AmlByteEncoding->OpCode));
+ DEBUG ((DEBUG_INFO, "0x%02x | ", ObjectNode->AmlByteEncoding->SubOpCode));
+
+ // Print a string corresponding to the field object OpCode/SubOpCode.
+ if (AmlNodeHasAttribute (ObjectNode, AML_IS_FIELD_ELEMENT)) {
+ DEBUG ((DEBUG_INFO, "%-15s ", AmlGetFieldOpCodeStr (
+ ObjectNode->AmlByteEncoding->OpCode,
+ 0
+ )));
+ } else {
+ // Print a string corresponding to the object OpCode/SubOpCode.
+ DEBUG ((DEBUG_INFO, "%-15s | ", AmlGetOpCodeStr (
+ ObjectNode->AmlByteEncoding->OpCode,
+ ObjectNode->AmlByteEncoding->SubOpCode)
+ ));
+ }
+
+ DEBUG ((DEBUG_INFO, "%3d | ", ObjectNode->AmlByteEncoding->MaxIndex));
+ DEBUG ((DEBUG_INFO, "0x%08x | ", ObjectNode->AmlByteEncoding->Attribute));
+ DEBUG ((DEBUG_INFO, "0x%04x | ", ObjectNode->PkgLen));
+ if (AmlNodeHasAttribute (ObjectNode, AML_IN_NAMESPACE)) {
+ AmlDbgPrintNameString (
+ AmlNodeGetName ((CONST AML_OBJECT_NODE*)ObjectNode),
+ FALSE
+ );
+ }
+
+ DEBUG ((DEBUG_INFO, "\n"));
+}
+
+/** Print fields of a root node.
+
+ @param [in] RootNode Pointer to a root node.
+ @param [in] Level Level of the indentation.
+**/
+STATIC
+VOID
+EFIAPI
+AmlDbgPrintRootNode (
+ IN AML_ROOT_NODE * RootNode,
+ IN UINT8 Level
+ )
+{
+ if (!IS_AML_ROOT_NODE (RootNode)) {
+ ASSERT (0);
+ return;
+ }
+
+ AmlDbgPrintNodeHeader ((AML_NODE_HEADER*)RootNode, Level);
+
+ DEBUG ((DEBUG_INFO, "%8x | ", RootNode->SdtHeader->Signature));
+ DEBUG ((DEBUG_INFO, "0x%08x | ", RootNode->SdtHeader->Length));
+ DEBUG ((DEBUG_INFO, "%3d | ", RootNode->SdtHeader->Revision));
+ DEBUG ((DEBUG_INFO, "0x%02x | ", RootNode->SdtHeader->Checksum));
+ DEBUG ((
+ DEBUG_INFO,
+ "%c%c%c%c%c%c | ",
+ RootNode->SdtHeader->OemId[0],
+ RootNode->SdtHeader->OemId[1],
+ RootNode->SdtHeader->OemId[2],
+ RootNode->SdtHeader->OemId[3],
+ RootNode->SdtHeader->OemId[4],
+ RootNode->SdtHeader->OemId[5]
+ ));
+ DEBUG ((DEBUG_INFO, "%-16llx | ", RootNode->SdtHeader->OemTableId));
+ DEBUG ((DEBUG_INFO, "%8x | ", RootNode->SdtHeader->OemRevision));
+ DEBUG ((DEBUG_INFO, "%8x | ", RootNode->SdtHeader->CreatorId));
+ DEBUG ((DEBUG_INFO, "%8x", RootNode->SdtHeader->CreatorRevision));
+ DEBUG ((DEBUG_INFO, "\n"));
+}
+
+/** Print a header to help interpreting node information.
+**/
+STATIC
+VOID
+EFIAPI
+AmlDbgPrintTableHeader (
+ VOID
+ )
+{
+ DEBUG ((DEBUG_INFO, "Lvl | Node Type |\n"));
+ DEBUG ((
+ DEBUG_INFO,
+ " | %-15s | Signature| Length | Rev | CSum | OemId | "
+ "OemTableId | OemRev | CreatorId| CreatorRev\n",
+ NodeTypeStrTbl[EAmlNodeRoot]
+ ));
+ DEBUG ((
+ DEBUG_INFO,
+ " | %-15s | Op | SubOp| OpName | MaxI| Attribute | "
+ "PkgLen | NodeName (opt)\n",
+ NodeTypeStrTbl[EAmlNodeObject]
+ ));
+ DEBUG ((
+ DEBUG_INFO,
+ " | %-15s | Data Type | Size | "
+ "Buffer\n",
+ NodeTypeStrTbl[EAmlNodeData]
+ ));
+ DEBUG ((
+ DEBUG_INFO,
+ "---------------------------------------"
+ "---------------------------------------\n"
+ ));
+}
+
+/** Recursively print the subtree under the Node.
+ This is an internal function.
+
+ @param [in] Node Pointer to the root of the subtree to print.
+ Can be a root/object/data node.
+ @param [in] Recurse If TRUE, recurse.
+ @param [in] Level Level in the tree.
+**/
+STATIC
+VOID
+EFIAPI
+AmlDbgPrintTreeInternal (
+ IN AML_NODE_HEADER * Node,
+ IN BOOLEAN Recurse,
+ IN UINT8 Level
+ )
+{
+ AML_NODE_HEADER * ChildNode;
+
+ if (!IS_AML_NODE_VALID (Node)) {
+ ASSERT (0);
+ return;
+ }
+
+ if (IS_AML_DATA_NODE (Node)) {
+ AmlDbgPrintDataNode ((AML_DATA_NODE*)Node, Level);
+ return;
+ } else if (IS_AML_OBJECT_NODE (Node)) {
+ AmlDbgPrintObjectNode ((AML_OBJECT_NODE*)Node, Level);
+ } else if (IS_AML_ROOT_NODE (Node)) {
+ AmlDbgPrintRootNode ((AML_ROOT_NODE*)Node, Level);
+ } else {
+ // Should not be possible.
+ ASSERT (0);
+ return;
+ }
+
+ if (!Recurse) {
+ return;
+ }
+
+ // Get the first child node.
+ ChildNode = AmlGetNextSibling (Node, NULL);
+ while (ChildNode != NULL) {
+ ASSERT (Level < MAX_UINT8);
+ AmlDbgPrintTreeInternal (ChildNode, Recurse, (UINT8)(Level + 1));
+ ChildNode = AmlGetNextSibling (Node, ChildNode);
+ }
+}
+
+/** Print Node information.
+
+ @param [in] Node Pointer to the Node to print.
+ Can be a root/object/data node.
+**/
+VOID
+EFIAPI
+AmlDbgPrintNode (
+ IN AML_NODE_HEADER * Node
+ )
+{
+ AmlDbgPrintTableHeader ();
+ AmlDbgPrintTreeInternal (Node, FALSE, 0);
+}
+
+/** Recursively print the subtree under the Node.
+
+ @param [in] Node Pointer to the root of the subtree to print.
+ Can be a root/object/data node.
+**/
+VOID
+EFIAPI
+AmlDbgPrintTree (
+ IN AML_NODE_HEADER * Node
+ )
+{
+ AmlDbgPrintTableHeader ();
+ AmlDbgPrintTreeInternal (Node, TRUE, 0);
+}
+
+/** This function performs a raw data dump of the ACPI table.
+
+ @param [in] Ptr Pointer to the start of the table buffer.
+ @param [in] Length The length of the buffer.
+**/
+VOID
+EFIAPI
+DumpRaw (
+ IN CONST UINT8 * Ptr,
+ IN UINT32 Length
+ )
+{
+ UINT32 ByteCount;
+ UINT32 PartLineChars;
+ UINT32 AsciiBufferIndex;
+ CHAR8 AsciiBuffer[17];
+
+ ByteCount = 0;
+ AsciiBufferIndex = 0;
+
+ DEBUG ((DEBUG_VERBOSE, "Address : 0x%p\n", Ptr));
+ DEBUG ((DEBUG_VERBOSE, "Length : %lld", Length));
+
+ while (ByteCount < Length) {
+ if ((ByteCount & 0x0F) == 0) {
+ AsciiBuffer[AsciiBufferIndex] = '\0';
+ DEBUG ((DEBUG_VERBOSE, " %a\n%08X : ", AsciiBuffer, ByteCount));
+ AsciiBufferIndex = 0;
+ } else if ((ByteCount & 0x07) == 0) {
+ DEBUG ((DEBUG_VERBOSE, "- "));
+ }
+
+ if ((*Ptr >= ' ') && (*Ptr < 0x7F)) {
+ AsciiBuffer[AsciiBufferIndex++] = *Ptr;
+ } else {
+ AsciiBuffer[AsciiBufferIndex++] = '.';
+ }
+
+ DEBUG ((DEBUG_VERBOSE, "%02X ", *Ptr++));
+
+ ByteCount++;
+ }
+
+ // Justify the final line using spaces before printing
+ // the ASCII data.
+ PartLineChars = (Length & 0x0F);
+ if (PartLineChars != 0) {
+ PartLineChars = 48 - (PartLineChars * 3);
+ if ((Length & 0x0F) <= 8) {
+ PartLineChars += 2;
+ }
+ while (PartLineChars > 0) {
+ DEBUG ((DEBUG_VERBOSE, " "));
+ PartLineChars--;
+ }
+ }
+
+ // Print ASCII data for the final line.
+ AsciiBuffer[AsciiBufferIndex] = '\0';
+ DEBUG ((DEBUG_VERBOSE, " %a\n\n", AsciiBuffer));
+}
+
+#endif // MDEPKG_NDEBUG
diff --git a/DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.h b/DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.h
new file mode 100644
index 0000000000000000000000000000000000000000..68f4c7416948a20484b6d5448c231add3f1186dd
--- /dev/null
+++ b/DynamicTablesPkg/Library/Common/AmlLib/AmlDbgPrint/AmlDbgPrint.h
@@ -0,0 +1,154 @@
+/** @file
+ AML Debug Print.
+
+ Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved. <BR>
+ Copyright (c) 2019 - 2020, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef AML_PRINT_H_
+#define AML_PRINT_H_
+
+/* This header file does not include internal Node definition,
+ i.e. AML_ROOT_NODE, AML_OBJECT_NODE, etc. The node definitions
+ must be included by the caller file. The function prototypes must
+ only expose AML_NODE_HANDLE, AML_ROOT_NODE_HANDLE, etc. node
+ definitions.
+ This allows to keep the functions defined here both internal and
+ potentially external. If necessary, any function of this file can
+ be exposed externally.
+ The Api folder is internal to the AmlLib, but should only use these
+ functions. They provide a "safe" way to interact with the AmlLib.
+*/
+
+#if !defined (MDEPKG_NDEBUG)
+
+#include <AmlInclude.h>
+
+/**
+ @defgroup DbgPrintApis Print APIs for debugging.
+ @ingroup AMLLib
+ @{
+ Print APIs provide a way to print:
+ - A buffer;
+ - A (root/object/data) node;
+ - An AML tree/branch;
+ - The AML NameSpace from the root node.
+ @}
+*/
+
+/** This function performs a raw data dump of the ACPI table.
+
+ @param [in] Ptr Pointer to the start of the table buffer.
+ @param [in] Length The length of the buffer.
+**/
+VOID
+EFIAPI
+DumpRaw (
+ IN CONST UINT8 * Ptr,
+ IN UINT32 Length
+ );
+
+/** Print Size chars at Buffer address.
+
+ @ingroup DbgPrintApis
+
+ @param [in] ErrorLevel Error level for the DEBUG macro.
+ @param [in] Buffer Buffer containing the chars.
+ @param [in] Size Number of chars to print.
+**/
+VOID
+EFIAPI
+AmlDbgPrintChars (
+ IN UINT32 ErrorLevel,
+ IN CONST CHAR8 * Buffer,
+ IN UINT32 Size
+ );
+
+/** Print an AML NameSeg.
+ Don't print trailing underscores ('_').
+
+ @param [in] Buffer Buffer containing an AML NameSeg.
+**/
+VOID
+EFIAPI
+AmlDbgPrintNameSeg (
+ IN CONST CHAR8 * Buffer
+ );
+
+/** Print an AML NameString.
+
+ @param [in] Buffer Buffer containing an AML NameString.
+ @param [in] NewLine Print a newline char at the end of the NameString.
+**/
+VOID
+EFIAPI
+AmlDbgPrintNameString (
+ IN CONST CHAR8 * Buffer,
+ IN BOOLEAN NewLine
+ );
+
+/** Print Node information.
+
+ @ingroup DbgPrintApis
+
+ @param [in] Node Pointer to the Node to print.
+ Can be a root/object/data node.
+**/
+VOID
+EFIAPI
+AmlDbgPrintNode (
+ IN AML_NODE_HANDLE Node
+ );
+
+/** Recursively print the subtree under the Node.
+
+ @ingroup DbgPrintApis
+
+ @param [in] Node Pointer to the root of the subtree to print.
+ Can be a root/object/data node.
+**/
+VOID
+EFIAPI
+AmlDbgPrintTree (
+ IN AML_NODE_HANDLE Node
+ );
+
+/** Print the absolute pathnames in the AML namespace of
+ all the nodes in the tree starting from the Root node.
+
+ @ingroup DbgPrintApis
+
+ @param [in] RootNode Pointer to a root node.
+
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_BUFFER_TOO_SMALL No space left in the buffer.
+ @retval EFI_INVALID_PARAMETER Invalid parameter.
+ @retval EFI_OUT_OF_RESOURCES Out of memory.
+**/
+EFI_STATUS
+EFIAPI
+AmlDbgPrintNameSpace (
+ IN AML_ROOT_NODE_HANDLE RootNode
+ );
+
+#else
+
+#define DumpRaw(Ptr, Length)
+
+#define AmlDbgPrintChars(ErrorLevel, Buffer, Size)
+
+#define AmlDbgPrintNameSeg(Buffer)
+
+#define AmlDbgPrintNameString(Buffer,NewLine)
+
+#define AmlDbgPrintNode(Node)
+
+#define AmlDbgPrintTree(Node)
+
+#define AmlDbgPrintNameSpace(RootNode)
+
+#endif // MDEPKG_NDEBUG
+
+#endif // AML_PRINT_H_
--
'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
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