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target-xtensa: Move helpers.h to helper.h
Provides a file naming scheme consistent with other targets.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa-semi: Don't use CPUState
Scripted conversion: sed -i "s/CPUState/CPUXtensaState/g" xtensa-semi.c
Signed-off-by: Andreas Färber <afaerber@suse.de>Acked-by: Anthony Liguori <aliguori@us.ibm.com>
target-xtensa: implement SIMCALL
Tensilica iss provides support for applications running in freestandingenvironment through SIMCALL command. It is used by Tensilica libc toaccess argc/argv, for file I/O, etc.
Note that simcalls that accept buffer addresses expect virtual addresses....