int MEM_DynLoad_DefaultAlloc(int size, int alignment, be_val<uint32_t> *outPtr)
{
auto heap = MEMGetBaseHeapHandle(BaseHeapType::MEM2);
auto memory = MEMAllocFromExpHeapEx(reinterpret_cast<ExpandedHeap*>(heap), size, alignment);
*outPtr = gMemory.untranslate(memory);
return 0;
}
static void *
allocatorExpHeapAlloc(MEMAllocator *allocator,
uint32_t size)
{
return MEMAllocFromExpHeapEx(reinterpret_cast<MEMExpHeap *>(allocator->heap.get()),
size,
allocator->align);
}
void
consoleInit()
{
MEMHeapHandle mem1;
OSScreenInit();
bufferSizeTV = OSScreenGetBufferSizeEx(SCREEN_TV);
bufferSizeDRC = OSScreenGetBufferSizeEx(SCREEN_DRC);
mem1 = MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2);
bufferTV = MEMAllocFromExpHeapEx(mem1, bufferSizeTV, 4);
bufferDRC = MEMAllocFromExpHeapEx(mem1, bufferSizeDRC, 4);
OSScreenSetBufferEx(SCREEN_TV, bufferTV);
OSScreenSetBufferEx(SCREEN_DRC, bufferDRC);
OSScreenEnableEx(SCREEN_TV, 1);
OSScreenEnableEx(SCREEN_DRC, 1);
}
void* _memalign_r(struct _reent *r, size_t alignment, size_t size)
{
return MEMAllocFromExpHeapEx(MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2), size, alignment);
}
void * MEMBucket_alloc(unsigned int size, unsigned int align)
{
if (align < 4)
align = 4;
return MEMAllocFromExpHeapEx(bucket_heap, size, align);
}
void * MEM1_alloc(unsigned int size, unsigned int align)
{
if (align < 4)
align = 4;
return MEMAllocFromExpHeapEx(mem1_heap, size, align);
}
//!-------------------------------------------------------------------------------------------
//! some wrappers
//!-------------------------------------------------------------------------------------------
void * MEM2_alloc(unsigned int size, unsigned int align)
{
return MEMAllocFromExpHeapEx(MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2), size, align);
}
static void *
CustomAllocFromDefaultHeapEx(uint32_t size,
int32_t alignment)
{
return MEMAllocFromExpHeapEx(sCustomHeap, size, alignment);
}
static void *
CustomAllocFromDefaultHeap(uint32_t size)
{
return MEMAllocFromExpHeapEx(sCustomHeap, size, 4);
}
static void *
sMEMAllocFromDefaultHeapEx(uint32_t size, int alignment)
{
auto heap = MEMGetBaseHeapHandle(BaseHeapType::MEM2);
return MEMAllocFromExpHeapEx(reinterpret_cast<ExpandedHeap*>(heap), size, alignment);
}
int main(int argc, char **argv)
{
MEMHeapHandle mem2 = MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2);
test_assert(mem2);
test_report("Allocating %d bytes from default heap", HeapSize);
void *heapAddr = MEMAllocFromExpHeapEx(mem2, HeapSize, 4);
test_assert(heapAddr);
// Unalign the frame heap base address
void *frameHeapAddr = heapAddr + 1;
test_report("Creating frame heap at %p", frameHeapAddr);
MEMHeapHandle frameHeap = MEMCreateFrmHeapEx(frameHeapAddr, HeapSize, 0);
test_report("Frame heap created at %p", frameHeap);
test_assert(frameHeap);
test_assert((((uint32_t)frameHeap) % 4) == 0);
uint32_t freeSize1 = MEMGetAllocatableSizeForFrmHeapEx(frameHeap, 4);
test_report("Free Size before allocation: %d", freeSize1);
test_assert((freeSize1 % 4) == 0);
{
// Allocate an unaligned block from head with an unaligned size
void *unalignedBlock = MEMAllocFromFrmHeapEx(frameHeap, 5, 1);
uint32_t unalignedBlockAddress = (uint32_t)unalignedBlock;
test_report("Unaligned head block allocated at %p", unalignedBlock);
test_assert(unalignedBlock);
// Allocate an aligned block from head and ensure it is aligned
void *alignedBlock = MEMAllocFromFrmHeapEx(frameHeap, 1024, 512);
uint32_t alignedBlockAddress = (uint32_t)alignedBlock;
test_report("Aligned head block allocated at %p", alignedBlock);
test_assert(alignedBlock);
test_assert((((uint32_t)alignedBlock) % 512) == 0);
test_assert(alignedBlockAddress - unalignedBlockAddress >= 5);
}
{
// Allocate an unaligned block from tail with an unaligned size
void *unalignedBlock = MEMAllocFromFrmHeapEx(frameHeap, 5, -1);
uint32_t unalignedBlockAddress = (uint32_t)unalignedBlock;
test_report("Unaligned tail block allocated at %p", unalignedBlock);
test_assert(unalignedBlock);
// Allocate an aligned block from tail and ensure it is aligned
void *alignedBlock = MEMAllocFromFrmHeapEx(frameHeap, 1024, -512);
uint32_t alignedBlockAddress = (uint32_t)alignedBlock;
test_report("Aligned tail block allocated at %p", alignedBlock);
test_assert(alignedBlock);
test_assert((((uint32_t)alignedBlock) % 512) == 0);
test_assert(unalignedBlockAddress - alignedBlockAddress >= 512);
}
// Free all memory
MEMFreeToFrmHeap(frameHeap, MEM_FRM_HEAP_FREE_ALL);
uint32_t freeSize3 = MEMGetAllocatableSizeForFrmHeapEx(frameHeap, 4);
test_report("Free Size after free: %d", freeSize3);
test_assert(freeSize1 == freeSize3);
MEMDestroyFrmHeap(frameHeap);
MEMFreeToExpHeap(mem2, heapAddr);
return 0;
}
/**
* Allocate memory from an expanded heap with default alignment
*/
void *
MEMAllocFromExpHeap(ExpandedHeap *heap, uint32_t size)
{
ScopedSpinLock lock(&heap->lock);
return MEMAllocFromExpHeapEx(heap, size, 4);
}
void *
__wrap_memalign(size_t alignment, size_t size) {
return MEMAllocFromExpHeapEx(MEMGetBaseHeapHandle(MEMORY_ARENA_2), size, alignment);
}