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//
// Created by mart on 4/23/20.
//
#ifndef POKEDIAMOND_OS_ALLOC_H
#define POKEDIAMOND_OS_ALLOC_H
#include "types.h"
typedef enum {
OS_ARENA_MAIN = 0,
OS_ARENA_MAIN_SUBPRIV = 1,
OS_ARENA_MAINEX = 2,
OS_ARENA_ITCM = 3,
OS_ARENA_DTCM = 4,
OS_ARENA_SHARED = 5,
OS_ARENA_WRAM_MAIN = 6,
OS_ARENA_WRAM_SUB = 7,
OS_ARENA_WRAM_SUBPRIV = 8,
OS_ARENA_MAX = 9
} OSArenaId;
typedef struct {
void* lo[OS_ARENA_MAX];
void* hi[OS_ARENA_MAX];
u16 initialized;
u8 padding[2];
} OSArenaInfo;
typedef int OSHeapHandle;
typedef struct Cell Cell;
struct Cell {
Cell* prev;
Cell* next;
long size;
};
typedef struct {
long size;
Cell *free;
Cell *allocated;
} HeapDesc;
typedef struct {
volatile OSHeapHandle currentHeap;
int numHeaps;
void* arenaStart;
void* arenaEnd;
HeapDesc* heapArray;
} OSHeapInfo;
void* OSiHeapInfo[OS_ARENA_MAX] = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
void* OS_AllocFromArenaHi(OSArenaId id, u32 size, u32 align);
void* OS_AllocFromArenaLo(OSArenaId id, u32 size, u32 align);
void OS_SetArenaLo(OSArenaId id, void *newLo);
void OS_SetArenaHi(OSArenaId id, void *newHi);
void* OS_GetInitArenaLo(OSArenaId id);
void* OS_GetInitArenaHi(OSArenaId id);
void* OS_GetArenaLo(OSArenaId id);
void* OS_GetArenaHi(OSArenaId id);
void OS_InitArenaEx();
void OS_InitArena();
void OS_FreeToHeap(OSArenaId id, OSHeapHandle heap, void *ptr);
void* OS_AllocFromHeap(OSArenaId id, OSHeapHandle heap, u32 size);
#endif //POKEDIAMOND_OS_ALLOC_H
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