src/Runtime/GCN_mem_alloc.c


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// This was taken from the Pikmin 2 decompilation project.
// https://github.com/projectPiki/pikmin2/blob/main/src/Dolphin/Runtime/GCN_mem_alloc.c
#include <dolphin/types.h>
#include <os.h>

inline static void InitDefaultHeap()
{
	void* arenaLo;
	void* arenaHi;

	OSReport("GCN_Mem_Alloc.c : InitDefaultHeap. No Heap Available\n");
	OSReport("Metrowerks CW runtime library initializing default heap\n");

	arenaLo = OSGetArenaLo();
	arenaHi = OSGetArenaHi();

	arenaLo = OSInitAlloc(arenaLo, arenaHi, 1);
	OSSetArenaLo(arenaLo);

	arenaLo = (void*)OSRoundUp32B(arenaLo);
	arenaHi = (void*)OSRoundDown32B(arenaHi);

	OSSetCurrentHeap(OSCreateHeap(arenaLo, arenaHi));
	OSSetArenaLo(arenaLo = arenaHi);
}

/*
 * --INFO--
 * Address:	800C23A8
 * Size:	0000B8
 */
__declspec(weak) extern void __sys_free(void* ptr)
{
	if (__OSCurrHeap == -1) {
		InitDefaultHeap();
	}
	OSFreeToHeap(__OSCurrHeap, ptr);
}