# # For a description of the syntax of this configuration file, # see Documentation/kbuild/kconfig-language.txt. # menuconfig ARC_PLAT_EZNPS bool "\"EZchip\" ARC dev platform" select CPU_BIG_ENDIAN select CLKSRC_NPS select EZNPS_GIC select EZCHIP_NPS_MANAGEMENT_ENET if ETHERNET help Support for EZchip development platforms, based on ARC700 cores. We handle few flavours: - Hardware Emulator AKA HE which is FPGA based chasis - Simulator based on MetaWare nSIM - NPS400 chip based on ASIC config EZNPS_MTM_EXT bool "ARC-EZchip MTM Extensions" select CPUMASK_OFFSTACK depends on ARC_PLAT_EZNPS && SMP default y help Here we add new hierarchy for CPUs topology. We got: Core Thread At the new thread level each CPU represent one HW thread. At highest hierarchy each core contain 16 threads, any of them seem like CPU from Linux point of view. All threads within same core share the execution unit of the core and HW scheduler round robin between them.