[coldfire-gnu-discuss] Debugging/Running program in internal Flash.

[Nathan Sidwell]

Claude Sylvain wrote:

> ..
> m68k-elf-sprite:Opening P&E USBMultilink port 1 (USB1 : USB-ML-CF Rev C 
> (PE60123
> 45))
> m68k-elf-sprite:Target reset
> 0x00000000 in __interrupt_vector ()
> Breakpoint 1 at 0x512: file ./src/main.c, line 172.
> Note: automatically using hardware breakpoints for read-only addresses.
> Program received signal SIGTRAP, Trace/breakpoint trap.
> 0x00000004 in __interrupt_vector ()
> (gdb)

Because you've not loaded the program, GDB has not initialized $pc.  you need to 
set it manually
   p/x $pc = __reset
However ...


> Using the disassemble command of GDB, I take a look at the reset entry 
> point (defined as __reset) and found something that looks like an 
> endless loop.  See the GDB output below:

This is an error in the rom linker script.  You can work around it by jumping 
directly to __start
   p/x $pc = __start

nathan

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