HP300_SECTSIZE
#define hp300_btolifs(b) (((b) + (HP300_SECTSIZE - 1)) / HP300_SECTSIZE)
#define hp300_lifstob(s) ((s) * HP300_SECTSIZE)
boot_offset = roundup(params->fsstat.st_size, HP300_SECTSIZE);
htobe32(boot_offset / HP300_SECTSIZE + addr);
#define LIF_PRESERVED (HP300_SECTSIZE * 16)
unsigned int secsize = HP300_SECTSIZE;