+/*
+ * Overflowless variant of (block_count * mul_by / div_by)
+ * when div_by > mul_by
+ */
+static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
+{
+ lba512_t bc_quot, bc_rem;
+
+ /* x * m / d == x / d * m + (x % d) * m / d */
+ bc_quot = block_count / div_by;
+ bc_rem = block_count - div_by * bc_quot;
+ return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
+}
+
+void dev_print (block_dev_desc_t *dev_desc)
+{
+ lba512_t lba512; /* number of blocks if 512bytes block size */
+
+ if (dev_desc->type == DEV_TYPE_UNKNOWN) {
+ puts ("not available\n");
+ return;
+ }
+
+ switch (dev_desc->if_type) {