----- Am 23. Feb 2018 um 2:32 schrieb Chris Johns chr...@rtems.org: > On 22/02/2018 22:39, Sebastian Huber wrote: >> For the XtratuM support on ARMv7-R I simply built the tools via the RSB and >> added "-mtp=soft" to the C/C++ flags. I also used "-mtp=soft" for the BSP, >> this >> instructs GCC to use calls to __aeabi_read_tp(). > > I had no idea this was the case.
This is a workaround for an XtratuM shortcoming. A proper hypervisor would support a hypercall to set the TPIDRURO. > > On ARM or to be more specific on ARM SMP builds the thread ID will have to be > set to the thread TCB on ARM SMP machines by the context switcher. It is > needed > to support libdebugger on SMP for stepping to work. This is fine. _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
