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141 lines
2.7 KiB
C
141 lines
2.7 KiB
C
#pragma once
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#include <wut.h>
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#include "spinlock.h"
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#include "memlist.h"
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/**
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* \defgroup coreinit_memheap Common Memory Heap
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* \ingroup coreinit
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*
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* Common memory heap fucntions.
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* @{
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct MEMHeapHeader MEMHeapHeader;
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typedef MEMHeapHeader *MEMHeapHandle;
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typedef enum MEMBaseHeapType
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{
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MEM_BASE_HEAP_MEM1 = 0,
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MEM_BASE_HEAP_MEM2 = 1,
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MEM_BASE_HEAP_FG = 8,
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} MEMBaseHeapType;
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typedef enum MEMHeapFillType
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{
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MEM_HEAP_FILL_TYPE_UNUSED = 0,
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MEM_HEAP_FILL_TYPE_ALLOCATED = 1,
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MEM_HEAP_FILL_TYPE_FREED = 2,
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} MEMHeapFillType;
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typedef enum MEMHeapTag
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{
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MEM_BLOCK_HEAP_TAG = 0x424C4B48u,
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MEM_EXPANDED_HEAP_TAG = 0x45585048u,
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MEM_FRAME_HEAP_TAG = 0x46524D48u,
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MEM_UNIT_HEAP_TAG = 0x554E5448u,
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MEM_USER_HEAP_TAG = 0x55535248u,
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} MEMHeapTag;
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typedef enum MEMHeapFlags
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{
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MEM_HEAP_FLAG_ZERO_ALLOCATED = 1 << 0,
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MEM_HEAP_FLAG_DEBUG_MODE = 1 << 1,
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MEM_HEAP_FLAG_USE_LOCK = 1 << 2,
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} MEMHeapFlags;
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struct MEMHeapHeader
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{
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//! Tag indicating which type of heap this is
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MEMHeapTag tag;
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//! Link for list this heap is in
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MEMMemoryLink link;
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//! List of all child heaps in this heap
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MEMMemoryList list;
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//! Pointer to start of allocatable memory
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void *dataStart;
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//! Pointer to end of allocatable memory
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void *dataEnd;
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//! Lock used when MEM_HEAP_FLAG_USE_LOCK is set.
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OSSpinLock lock;
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//! Flags set during heap creation.
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uint32_t flags;
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UNKNOWN(0x0C);
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};
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CHECK_OFFSET(MEMHeapHeader, 0x00, tag);
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CHECK_OFFSET(MEMHeapHeader, 0x04, link);
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CHECK_OFFSET(MEMHeapHeader, 0x0C, list);
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CHECK_OFFSET(MEMHeapHeader, 0x18, dataStart);
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CHECK_OFFSET(MEMHeapHeader, 0x1C, dataEnd);
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CHECK_OFFSET(MEMHeapHeader, 0x20, lock);
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CHECK_OFFSET(MEMHeapHeader, 0x30, flags);
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CHECK_SIZE(MEMHeapHeader, 0x40);
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/**
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* Get which memory area a heap belongs to.
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*/
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MEMBaseHeapType
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MEMGetArena(MEMHeapHandle handle);
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/**
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* Get base heap for memory area.
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*/
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MEMHeapHandle
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MEMGetBaseHeapHandle(MEMBaseHeapType type);
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/**
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* Set base heap for memory area.
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*/
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MEMHeapHandle
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MEMSetBaseHeapHandle(MEMBaseHeapType type,
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MEMHeapHandle handle);
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/**
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* Print details about heap to COSWarn
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*/
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void
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MEMDumpHeap(MEMHeapHandle heap);
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/**
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* Find heap which contains a memory block.
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*/
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MEMHeapHeader *
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MEMFindContainHeap(void *block);
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/**
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* Get the data fill value used when MEM_HEAP_FLAG_DEBUG_MODE is set.
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*/
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uint32_t
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MEMGetFillValForHeap(MEMHeapFillType type);
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/**
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* Set the data fill value used when MEM_HEAP_FLAG_DEBUG_MODE is set.
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*/
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void
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MEMSetFillValForHeap(MEMHeapFillType type,
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uint32_t value);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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