// NOTE: we assume that this Steppingstone loader occupies *part* the first (good) NAND flash block. More
// specifically, the loader takes up 4096 bytes (or 8 NAND pages) of the first block. We'll start our image
// copy on the very next page.
#define NAND_COPY_PAGE_OFFSET 4*NAND_PAGES_PER_BLOCK //eboot的位置在块4,