ref: 79c64a79a248c31733d4ec0ff9fe1a1e57a58f51 dir: /libkern/getfcr-arm.s/
TEXT setfcr(SB), $0 RET TEXT getfcr(SB), $0 RET TEXT getfsr(SB), $0 RET TEXT setfsr(SB), $0 RET