1.

As title. 

and what time I need to add options  ?

I know add --specs=nano.specs thas is mean using newlib-nano when I use arm-none-eabi-gcc.

In readme, rdimon is for semihosting. Nosys is for retarget.

We use bare metal system and printf retarget to AXI…

I have not seen any axi transfer when I run coresight example helloworld.

And the cpu program counter stopping in some code

I have some questions when I check my IMAGE0.lst file

1 .why printf is branch to putchar instead of printf in coresight example?

2. Is…