731c67e1d7
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the DynamicTablesPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/** @file
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AML Tree Enumerator.
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Copyright (c) 2019 - 2020, Arm Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <AmlNodeDefines.h>
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#include <AmlCoreInterface.h>
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#include <Tree/AmlTree.h>
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/** Enumerate all nodes of the subtree under the input Node in the AML
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bytestream order (i.e. in a depth first order), and call the CallBack
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function with the input Context.
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The prototype of the Callback function is EDKII_AML_TREE_ENUM_CALLBACK.
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@param [in] Node Enumerate nodes of the subtree under this Node.
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Must be a valid node.
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@param [in] CallBack Callback function to call on each node.
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@param [in, out] Context Void pointer used to pass some information
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to the Callback function.
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Optional, can be NULL.
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@param [out] Status Optional parameter that can be used to get
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the status of the Callback function.
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If used, need to be init to EFI_SUCCESS.
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@retval TRUE if the enumeration can continue or has finished without
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interruption.
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@retval FALSE if the enumeration needs to stopped or has stopped.
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**/
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BOOLEAN
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EFIAPI
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AmlEnumTree (
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IN AML_NODE_HEADER *Node,
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IN EDKII_AML_TREE_ENUM_CALLBACK CallBack,
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IN OUT VOID *Context OPTIONAL,
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OUT EFI_STATUS *Status OPTIONAL
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)
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{
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BOOLEAN ContinueEnum;
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EAML_PARSE_INDEX Index;
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EAML_PARSE_INDEX MaxIndex;
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LIST_ENTRY *StartLink;
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LIST_ENTRY *CurrentLink;
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if (!IS_AML_NODE_VALID (Node) || (CallBack == NULL)) {
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ASSERT (0);
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if (Status != NULL) {
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*Status = EFI_INVALID_PARAMETER;
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}
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return FALSE;
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}
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ContinueEnum = (*CallBack)(Node, Context, Status);
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if (ContinueEnum == FALSE) {
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return ContinueEnum;
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}
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// Iterate through the fixed list of arguments.
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MaxIndex = (EAML_PARSE_INDEX)AmlGetFixedArgumentCount (
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(AML_OBJECT_NODE *)Node
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);
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for (Index = EAmlParseIndexTerm0; Index < MaxIndex; Index++) {
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ContinueEnum = AmlEnumTree (
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AmlGetFixedArgument ((AML_OBJECT_NODE *)Node, Index),
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CallBack,
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Context,
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Status
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);
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if (ContinueEnum == FALSE) {
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return ContinueEnum;
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}
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}
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// Iterate through the variable list of arguments.
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StartLink = AmlNodeGetVariableArgList (Node);
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if (StartLink != NULL) {
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CurrentLink = StartLink->ForwardLink;
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while (CurrentLink != StartLink) {
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ContinueEnum = AmlEnumTree (
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(AML_NODE_HEADER *)CurrentLink,
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CallBack,
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Context,
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Status
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);
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if (ContinueEnum == FALSE) {
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return ContinueEnum;
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}
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CurrentLink = CurrentLink->ForwardLink;
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} // while
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}
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return ContinueEnum;
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}
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