/// <summary>
/// Allocate a memory at the highest address.
/// </summary>
/// <param name="size"> the size of the memory to be allocated </param>
/// <param name="addrAlignment"> base address alignment of the requested block </param>
/// <returns> the base address of the allocated memory
/// 0 if the memory could not be allocated </returns>
public virtual int allocHigh(int size, int addrAlignment)
{
for (MemoryChunk memoryChunk = high; memoryChunk != null; memoryChunk = memoryChunk.previous)
{
if (memoryChunk.isAvailable(size, addrAlignment))
{
return(allocHigh(memoryChunk, size, addrAlignment));
}
}
return(0);
}
/// <summary>
/// Allocate a memory at the lowest address.
/// </summary>
/// <param name="size"> the size of the memory to be allocated </param>
/// <param name="addrAlignment"> base address alignment of the requested block </param>
/// <returns> the base address of the allocated memory,
/// 0 if the memory could not be allocated </returns>
public virtual int allocLow(int size, int addrAlignment)
{
for (MemoryChunk memoryChunk = low; memoryChunk != null; memoryChunk = memoryChunk.next)
{
if (memoryChunk.isAvailable(size, addrAlignment))
{
return(allocLow(memoryChunk, size, addrAlignment));
}
}
return(0);
}
