[U-Boot] [PATCH] arm: add support for semihosting for ARMv7M targets

[Vadzim Dambrouski]

On 18.10.2015 12:20, Linus Walleij wrote:
 > Hey, cool. Technically the (ulong) typecasts should be another patch

Sorry about that, this is my first time sending a patch.

 > Are you using this with the smload commands?

Yes, I do use smhload command, and openocd on the other end.
Useful for debugging targets without ethernet support.