This post shows how to enable symbols in a 2019.1 Xilinx BSP.
Remember! You can enable syms in the fsbl or the fsbl_bsp, but not both.
Step #1: Right-click on fsbl_bsp and click Board Support Package Settings.
Step #2: Click standalone and set zynqmp_fsbl_bsp to false.
Step #3: Click psu_cortexta53_0, click on -g -Wall -Wextra -Os -flto -ffat-lto-objects.
Step #4: Set:
-g -Wall -Wextra -Os -flto -ffat-lto-objects
-g -Wall -Wextra -Og
...and click OK
You should see the BSP recompile automatically:
You should see the complete build fail if you haven't turned off features in the fsbl:
Step #5: Go into xfsbl_config.h and set all of these:
...to 1U to turn off code:
Step #6: Click Save All. The FSBL should auto recompile.
Step #7: To test put a breakpoint in xil_printf (which is in the BSP)
The Xilinx graphic is from [link]