OS-Specific Parameters - 2025.2 English - UG1725

The following list identifies all the parameters that can be specified only in an OS definition block.

STDIN

Identify the standard input device with the STDIN option, which is formatted as:

parameter STDIN = instance_name

STDOUT

Identify the standard output device with the STDOUT option, which is formatted as:

parameter STDOUT = instance_name

Example: MSS Snippet Showing OS options

BEGIN OS
parameter PROC_INSTANCE = my_microblaze
parameter OS_NAME = standalone
parameter OS_VER = 1.0
parameter STDIN = my_uartlite_1
parameter STDOUT = my_uartlite_1
END