ChibiOS Free Embedded RTOS

Ok, I tried to modify the linker adding a line with
ENTRY(ResetHandler)
During the debug, it runs well (Wow), but when I close the debug, reset the board, it goes in loop again!
In debug does it use the bootloader?

Sorry for so many questions, but I am not very skilled and it is difficult to ...

When I start the debug, the first line is the function late_init in crt0. When I go a step over, it goes to 0xffffffff and gdb fails.
I don't know...

Hello,
Thank you Giovanni for your answer!
I tried to do some tests to understand the problem.
Now the linker file starts with:

MEMORY
{
flash : org = 0x08010000, len = 1M - 0x10000
ram : org = 0x20000C00, len = 112k - 0xC00
}

I looked at the map file, but the memory address seems to ...

Hello,
I'm a research fellow at Second University of Naples and I have written a ChibiOS based software to control several types of UAV (drones).
Until now, I have used the Stm32F3 Discovery with onboard sensors and the results are very good.
Now, I want to try the sensors on another famous board ...