arch/x86/include/i486/io.h

arch/x86/src/Makefile

arch/x86/src/common/up_blocktask.c

arch/x86/src/common/up_copystate.c

arch/x86/src/common/up_releasepending.c

arch/x86/src/common/up_reprioritizertr.c

arch/x86/src/common/up_unblocktask.c

arch/x86/src/i486/up_initialstate.c

arch/x86/src/i486/up_sigdeliver.c