public HeapInfo(SysMemInfo sysMemInfo)
{
this.sysMemInfo = sysMemInfo;
MemoryChunk memoryChunk = new MemoryChunk(sysMemInfo.addr, sysMemInfo.size);
freeMemoryChunks = new MemoryChunkList(memoryChunk);
allocatedMemoryChunks = new Dictionary <int, MemoryChunk>();
allocType = sysMemInfo.type;
}
// Allocates to 256-byte alignment
public virtual SysMemInfo malloc(int partitionid, string name, int type, int size, int addr)
{
if (freeMemoryChunks == null)
{
return(null);
}
int allocatedAddress = 0;
int allocatedSize = 0;
if (isValidPartitionId(partitionid))
{
MemoryChunkList freeMemoryChunk = freeMemoryChunks[partitionid];
int alignment = defaultSizeAlignment - 1;
// The allocated size has not to be aligned to the requested alignment
// (for PSP_SMEM_LowAligned or PSP_SMEM_HighAligned),
// it is only aligned to the default size alignment.
allocatedSize = Utilities.alignUp(size, alignment);
if (type == PSP_SMEM_LowAligned || type == PSP_SMEM_HighAligned)
{
// Use the alignment provided in the addr parameter
alignment = addr - 1;
}
switch (type)
{
case PSP_SMEM_Low:
case PSP_SMEM_LowAligned:
allocatedAddress = freeMemoryChunk.allocLow(allocatedSize, alignment);
break;
case PSP_SMEM_High:
case PSP_SMEM_HighAligned:
allocatedAddress = freeMemoryChunk.allocHigh(allocatedSize, alignment);
break;
case PSP_SMEM_Addr:
allocatedAddress = freeMemoryChunk.alloc(addr & Memory.addressMask, allocatedSize);
break;
default:
Console.WriteLine(string.Format("malloc: unknown type {0}", getTypeName(type)));
break;
}
}
SysMemInfo sysMemInfo;
if (allocatedAddress == 0)
{
Console.WriteLine(string.Format("malloc cannot allocate partition={0:D}, name='{1}', type={2}, size=0x{3:X}, addr=0x{4:X8}, maxFreeMem=0x{5:X}, totalFreeMem=0x{6:X}", partitionid, name, getTypeName(type), size, addr, maxFreeMemSize(partitionid), totalFreeMemSize(partitionid)));
if (log.TraceEnabled)
{
log.trace("Free list: " + DebugFreeMem);
log.trace("Allocated blocks:\n" + DebugAllocatedMem + "\n");
}
sysMemInfo = null;
}
else
{
sysMemInfo = new SysMemInfo(partitionid, name, type, size, allocatedSize, allocatedAddress);
//if (log.DebugEnabled)
{
Console.WriteLine(string.Format("malloc partition={0:D}, name='{1}', type={2}, size=0x{3:X}, addr=0x{4:X8}: returns 0x{5:X8}", partitionid, name, getTypeName(type), size, addr, allocatedAddress));
if (log.TraceEnabled)
{
log.trace("Free list after malloc: " + DebugFreeMem);
log.trace("Allocated blocks after malloc:\n" + DebugAllocatedMem + "\n");
}
}
}
return(sysMemInfo);
}
