MEM_CHUNK0_SIZE
#define MEM_CHUNK1_LOAD_VIRT (MEM_CHUNK0_LOAD_VIRT + MEM_CHUNK0_SIZE)
#define MEM_CHUNK1_COPY_PHYS (MEM_CHUNK0_LOAD_PHYS + MEM_CHUNK0_SIZE)
for(off = 0; off < MEM_CHUNK0_SIZE; off += NBSG)