shithub: 9ferno

ref: b502a62da2ec6058923db94f87ecc2d29db2fa77
dir: /lib9/setfcr-Linux-386.S/

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#define	FN(x)	.type x,@function; .global x; x
#define	ENT	subl $16, %esp
#define	RET	addl $16, %esp; ret

	.file	"setfcr-Linux-386.S"
FN(setfcr):
	ENT
	xorb	$0x3f, %al
	movl	%eax, (%esp)
	fwait
	fldcw	(%esp)
	RET

FN(getfcr):
	ENT
	fwait
	fstcw	(%esp)
	movw	(%esp), %ax
	andl	$0xffff, %eax
	xorb	$0x3f, %al
	RET

FN(getfsr):
	ENT
	fwait
	fstsw	(%esp)
	movw	(%esp), %ax
	andl	$0xffff, %eax
	RET

FN(setfsr):
	fclex
	ret