HelenOS sources

wired             114 kernel/arch/mips32/include/arch/cp0.h GEN_READ_CP0(wired, 6);
wired             115 kernel/arch/mips32/include/arch/cp0.h GEN_WRITE_CP0(wired, 6);
wired             114 uspace/lib/c/arch/mips32/include/libarch/cp0.h GEN_READ_CP0(wired, 6);
wired             115 uspace/lib/c/arch/mips32/include/libarch/cp0.h GEN_WRITE_CP0(wired, 6);
HelenOS homepage, sources at GitHub