allmodconfig
MMUv2/MMUv3, CONFIG_MMU on/off
all platforms (xtfpga, iss, xt2000)
CONFIG_OF on/off
CONFIG_HIGHMEM on/off
CONFIG_SMP on/off
CONFIG_MODULES on/off
cache aliasing core
big endian core
core w/o cache, with WT cache
core w/o zero overhead loops