8.7. GDB and JTAG¶
GDB with JTAG provides a low level way to runs tests on hardware with limited resources. The RTEMS Tester runs and controls an instance of GDB per test and GDB connects via the GDB remote protocol to a GDB server that interfaces to the JTAG port of a target.
The Figure RTEMS Tester using GDB and JTAG shows the structure of RTEMS Testing
using GDB and JTAG. The executables are built and the
rtems-test command is
run from the top of the build directory. The RTEMS Tester executes the BSP
architecture’s GDB and expects the user to provide a
gdb-script to connect
t the JTAG GDB server.