BTINFO_NONE
bootinfo->type = BTINFO_NONE;
bi->type = BTINFO_NONE;
while (btinfo->type != BTINFO_NONE) {
common->type = BTINFO_NONE;
while (entry->type != BTINFO_NONE) {
while (entry->type != BTINFO_NONE) {
bootinfo->type = BTINFO_NONE;
bi->type = BTINFO_NONE;