/**
* Initialise an expanded heap.
*
* Adds it to the list of active heaps.
*/
ExpandedHeap *
MEMCreateExpHeapEx(ExpandedHeap *heap, uint32_t size, uint16_t flags)
{
// Setup state
auto base = mem::untranslate(heap);
heap->size = size;
heap->bottom = base;
heap->top = base + size;
heap->mode = MEMExpHeapMode::FirstFree;
heap->group = 0;
heap->usedBlockList = nullptr;
heap->freeBlockList = make_virtual_ptr<ExpandedHeapBlock>(base + sizeof(ExpandedHeap));
heap->freeBlockList->addr = heap->freeBlockList.getAddress();
heap->freeBlockList->size = heap->size - sizeof(ExpandedHeap);
heap->freeBlockList->next = nullptr;
heap->freeBlockList->prev = nullptr;
// Setup common header
MEMiInitHeapHead(heap, MEMiHeapTag::ExpandedHeap, heap->freeBlockList->addr, heap->freeBlockList->addr + heap->freeBlockList->size);
return heap;
}
ExpandedHeap *
MEMCreateExpHeapEx(ExpandedHeap *heap, uint32_t size, uint16_t flags)
{
// Allocate memory
auto base = gMemory.untranslate(heap);
gMemory.alloc(base, size);
// Setup state
heap->size = size;
heap->bottom = base;
heap->top = base + size;
heap->mode = HeapMode::FirstFree;
heap->group = 0;
heap->usedBlockList = nullptr;
heap->freeBlockList = make_p32<ExpandedHeapBlock>(base + sizeof(ExpandedHeap));
heap->freeBlockList->addr = static_cast<uint32_t>(heap->freeBlockList);
heap->freeBlockList->size = heap->size - sizeof(ExpandedHeap);
heap->freeBlockList->next = nullptr;
heap->freeBlockList->prev = nullptr;
// Setup common header
MEMiInitHeapHead(heap, HeapType::ExpandedHeap, heap->freeBlockList->addr, heap->freeBlockList->addr + heap->freeBlockList->size);
return heap;
}
