ref: 0bf1028ead0432d814276ef4341943f4d5cb184d
dir: /sys/src/libc/arm/getfcr.s/
/* for VFP */ #define VMRS(fp, cpu) WORD $(0xeef00a10 | (fp)<<16 | (cpu)<<12) /* FP → arm */ #define VMSR(cpu, fp) WORD $(0xeee00a10 | (fp)<<16 | (cpu)<<12) /* arm → FP */ #define Fpscr 1 TEXT setfcr(SB), $0 VMSR(0, Fpscr) RET TEXT getfcr(SB), $0 VMRS(Fpscr, 0) RET TEXT getfsr(SB), $0 VMSR(0, Fpscr) RET TEXT setfsr(SB), $0 VMRS(Fpscr, 0) RET