- set M [expr 1024 * 1024]
- set DDR_SZ_1024M [expr 1024 * $M]
- set DDR_SZ_256M [expr 256 * $M]
- set DDR_SZ_128M [expr 128 * $M]
- set DDR_SZ_64M [expr 64 * $M]
+ set M [expr {1024 * 1024}]
+ set DDR_SZ_1024M [expr {1024 * $M}]
+ set DDR_SZ_256M [expr {256 * $M}]
+ set DDR_SZ_128M [expr {128 * $M}]
+ set DDR_SZ_64M [expr {64 * $M}]