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#include <machine/asm.h>
#define ENT subl $16, %esp
#define RET addl $16, %esp; ret
NENTRY(setfcr)
ENT
xorb $0x3f, %al
movl %eax, (%esp)
fwait
fldcw (%esp)
RET
END(setfcr)
NENTRY(getfcr)
ENT
fwait
fstcw (%esp)
movw (%esp), %ax
andl $0xffff, %eax
xorb $0x3f, %al
RET
END(getfcr)
NENTRY(getfsr)
ENT
fwait
fstsw (%esp)
movw (%esp), %ax
andl $0xffff, %eax
RET
END(getfsr)
NENTRY(setfsr)
fclex
ret
END(setfsr)
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