Karina
ee67cef4f8
ref(Kernel/VM/Heap): malloc -> VMHeapAllocate; free -> VMHeapFree; realloc -> VMHeapResize
27 lines
666 B
C
27 lines
666 B
C
// SPDX-License-Identifier: GPL-3.0-or-later
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// Copyright (c) 2026 0xKarinyash
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#pragma once
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#include <types.h>
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enum {
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kVMKernelHeapStart = 0xFFFFFFFFC0000000,
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kVMHeapSizePages = 1024,
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kVMHeapBlockHeaderMagic = 0x1CE
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};
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#define PHYS_TO_HEAP(phys) ((phys) + KERNEL_HEAP_START)
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#define HEAP_TO_PHYS(phys) ((phys) - KERNEL_HEAP_START)
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typedef struct VMHeapBlockHeader {
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UInt64 magic;
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struct VMHeapBlockHeader* next;
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struct VMHeapBlockHeader* previous;
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UInt64 size;
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bool isFree;
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} VMHeapBlockHeader;
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void VMHeapInitialize();
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void* VMHeapAllocate(UInt64 size);
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void VMHeapFree(void* ptr);
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void* VMHeapResize(void* ptr, UInt64 newSize);
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