Writing to 256 SDRAM locations
Error:invalid command name "get_service_paths"
Error:    while executing
Error:"unknown_original get_service_paths master"
Error:    ("eval" body line 1)
Error:    invoked from within
Error:"eval unknown_original $cmd $args"
Error:    (procedure "::unknown" line 7)
Error:    invoked from within
Error:"get_service_paths master"
Error:    (procedure "jtag_open" line 9)
Error:    invoked from within
Error:"jtag_open"
Error:    (procedure "jtag_write" line 7)
Error:    invoked from within
Error:"jtag_write $addr $data"
Error:    ("uplevel" body line 4)
Error:    invoked from within
Error:"uplevel 1 $cmd"
Error:    invoked from within
Error:"for {set i 0} {$i < $len} {incr i} {
Error:		set addr [expr {4*$i}]
Error:		set data [expr {0x12340000 + $i}]
Error:		jtag_write $addr $data
Error:	}"
Error:    (procedure "sdram_test" line 4)
Error:    invoked from within
Error:"sdram_test"