move fp control to lib9

1 files changed, 48 insertions, 0 deletions

diff --git a/MacOSX/power/include/lib9.h b/MacOSX/power/include/lib9.h
index b00716b1..88ee728f 100644
--- a/MacOSX/power/include/lib9.h
+++ b/MacOSX/power/include/lib9.h
@@ -487,3 +487,51 @@ extern char *argv0;
 
 #define	setbinmode()
 
+
+/* FPSCR */
+#define	FPSFX	(1<<31)	/* exception summary (sticky) */
+#define	FPSEX	(1<<30)	/* enabled exception summary */
+#define	FPSVX	(1<<29)	/* invalid operation exception summary */
+#define	FPSOX	(1<<28)	/* overflow exception OX (sticky) */
+#define	FPSUX	(1<<27)	/* underflow exception UX (sticky) */
+#define	FPSZX	(1<<26)	/* zero divide exception ZX (sticky) */
+#define	FPSXX	(1<<25)	/* inexact exception XX (sticky) */
+#define	FPSVXSNAN (1<<24)	/* invalid operation exception for SNaN (sticky) */
+#define	FPSVXISI	(1<<23)	/* invalid operation exception for ∞-∞ (sticky) */
+#define	FPSVXIDI	(1<<22)	/* invalid operation exception for ∞/∞ (sticky) */
+#define	FPSVXZDZ (1<<21)	/* invalid operation exception for 0/0 (sticky) */
+#define	FPSVXIMZ	(1<<20)	/* invalid operation exception for ∞*0 (sticky) */
+#define	FPSVXVC	(1<<19)	/* invalid operation exception for invalid compare (sticky) */
+#define	FPSFR	(1<<18)	/* fraction rounded */
+#define	FPSFI	(1<<17)	/* fraction inexact */
+#define	FPSFPRF	(1<<16)	/* floating point result class */
+#define	FPSFPCC	(0xF<<12)	/* <, >, =, unordered */
+#define	FPVXCVI	(1<<8)	/* enable exception for invalid integer convert (sticky) */
+
+/* FCR */
+#define	FPVE	(1<<7)	/* invalid operation exception enable */
+#define	FPOVFL	(1<<6)	/* enable overflow exceptions */
+#define	FPUNFL	(1<<5)	/* enable underflow */
+#define	FPZDIV	(1<<4)	/* enable zero divide */
+#define	FPINEX	(1<<3)	/* enable inexact exceptions */
+#define	FPRMASK	(3<<0)	/* rounding mode */
+#define	FPRNR	(0<<0)
+#define	FPRZ	(1<<0)
+#define	FPRPINF	(2<<0)
+#define	FPRNINF	(3<<0)
+#define	FPPEXT	0
+#define	FPPSGL	0
+#define	FPPDBL	0
+#define	FPPMASK	0
+#define	FPINVAL	FPVE
+/* FSR */
+#define	FPAOVFL	FPSOX
+#define	FPAINEX	FPSXX
+#define	FPAUNFL	FPSUX
+#define	FPAZDIV	FPSZX
+#define	FPAINVAL	FPSVX
+
+extern	void	setfcr(ulong);
+extern	void	setfsr(ulong);
+extern	ulong	getfcr(void):
+extern	ulong	getfsr(void);