diff options
Diffstat (limited to 'libkern/getfcr-386.s')
| -rw-r--r-- | libkern/getfcr-386.s | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libkern/getfcr-386.s b/libkern/getfcr-386.s new file mode 100644 index 00000000..c3f3d464 --- /dev/null +++ b/libkern/getfcr-386.s @@ -0,0 +1,27 @@ +TEXT setfcr(SB), $0 + MOVL p+0(FP),AX + XORB $0x3f,AX + PUSHW AX + WAIT + FLDCW 0(SP) + POPW AX + RET + +TEXT getfcr(SB), $0 + PUSHW AX + WAIT + FSTCW 0(SP) + POPW AX + XORB $0x3f,AX + RET + +TEXT getfsr(SB), $0 + WAIT + FSTSW AX + RET + +TEXT setfsr(SB), $0 + WAIT + FCLEX + RET + |