52 lines
968 B
C
52 lines
968 B
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: Virtual address descriptor management
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* Author: Chloe M.
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*/
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#include <mm/vad.h>
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/* Prototypes */
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static LONG VadCmp(MM_VAD *V0, MM_VAD *V1);
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/* RBT generation */
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RB_PROTOTYPE(VadTree, _MM_VAD, TreeLink, VadCmp);
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RB_GENERATE(VadTree, _MM_VAD, TreeLink, VadCmp);
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static LONG
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VadCmp(MM_VAD *V0, MM_VAD *V1)
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{
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MM_RANGE *Range0, *Range1;
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Range0 = &V0->Range;
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Range1 = &V1->Range;
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return (Range0->VirtualBase < Range1->VirtualBase)
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? -1
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: Range0->VirtualBase > Range1->VirtualBase;
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}
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VOID
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MmVadTreeInit(MM_VAD_TREE *Tree)
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{
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if (Tree == NULL) {
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return;
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}
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Tree->Elements = 0;
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RB_INIT(&Tree->Head);
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}
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PT_STATUS
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MmVadTreeInsert(MM_VAD_TREE *Tree, MM_VAD *Vad)
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{
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if (Tree == NULL || Vad == NULL) {
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return STATUS_INVALID_PARAM;
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}
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RB_INSERT(VadTree, &Tree->Head, Vad);
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return STATUS_SUCCESS;
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}
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