empty fpuctl.h

4 files changed, 0 insertions, 276 deletions

diff --git a/Linux/386/include/fpuctl.h b/Linux/386/include/fpuctl.h
index 8389f6ee..e69de29b 100644
--- a/Linux/386/include/fpuctl.h
+++ b/Linux/386/include/fpuctl.h
@@ -1,76 +0,0 @@
-/*
- * Linux 386 fpu support
- * Mimic Plan9 floating point support
- */
-
-static void
-setfcr(ulong fcr)
-{
-	__asm__(	"xorb	$0x3f, %%al\n\t"
-			"pushw	%%ax\n\t"
-			"fwait\n\t"
-			"fldcw	(%%esp)\n\t"
-			"popw	%%ax\n\t"
-			: /* no output */
-			: "al" (fcr)
-	);
-}
-
-static ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-
-	__asm__(	"pushl	%%eax\n\t"
-			"fwait\n\t"
-			"fstcw	(%%esp)\n\t"
-			"popl	%%eax\n\t"
-			"xorb	$0x3f, %%al\n\t"
-			: "=a"  (fcr)
-			: "eax"	(fcr)
-	);
-	return fcr; 
-}
-
-static ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-
-	__asm__(	"fwait\n\t"
-			"fstsw	(%%eax)\n\t"
-			"movl	(%%eax), %%eax\n\t"
-			"andl	$0xffff, %%eax\n\t"
-			: "=a"  (fsr)
-			: "eax" (&fsr)
-	);
-	return fsr;
-}
-
-static void
-setfsr(ulong fsr)
-{
-	__asm__("fclex\n\t");
-}
-
-/* FCR */
-#define	FPINEX	(1<<5)
-#define	FPUNFL	((1<<4)|(1<<1))
-#define	FPOVFL	(1<<3)
-#define	FPZDIV	(1<<2)
-#define	FPINVAL	(1<<0)
-#define	FPRNR	(0<<10)
-#define	FPRZ	(3<<10)
-#define	FPRPINF	(2<<10)
-#define	FPRNINF	(1<<10)
-#define	FPRMASK	(3<<10)
-#define	FPPEXT	(3<<8)
-#define	FPPSGL	(0<<8)
-#define	FPPDBL	(2<<8)
-#define	FPPMASK	(3<<8)
-/* FSR */
-#define	FPAINEX	FPINEX
-#define	FPAOVFL	FPOVFL
-#define	FPAUNFL	FPUNFL
-#define	FPAZDIV	FPZDIV
-#define	FPAINVAL	FPINVAL
diff --git a/Linux/arm/include/fpuctl.h b/Linux/arm/include/fpuctl.h
index 7903c04b..e69de29b 100644
--- a/Linux/arm/include/fpuctl.h
+++ b/Linux/arm/include/fpuctl.h
@@ -1,52 +0,0 @@
-/*
- * Linux arm fpu support
- * Mimic Plan9 floating point support
- */
-
-#include <fenv.h>
-
-static void
-setfcr(ulong fcr)
-{
-}
-
-static ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-	return fcr; 
-}
-
-static ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-	return fsr;
-}
-
-static void
-setfsr(ulong fsr)
-{
-}
-
-/* FCR */
-#define	FPINEX	(1<<5)
-#define	FPUNFL	((1<<4)|(1<<1))
-#define	FPOVFL	(1<<3)
-#define	FPZDIV	(1<<2)
-#define	FPINVAL	(1<<0)
-#define	FPRNR	(0<<10)
-#define	FPRZ	(3<<10)
-#define	FPRPINF	(2<<10)
-#define	FPRNINF	(1<<10)
-#define	FPRMASK	(3<<10)
-#define	FPPEXT	(3<<8)
-#define	FPPSGL	(0<<8)
-#define	FPPDBL	(2<<8)
-#define	FPPMASK	(3<<8)
-/* FSR */
-#define	FPAINEX	FPINEX
-#define	FPAOVFL	FPOVFL
-#define	FPAUNFL	FPUNFL
-#define	FPAZDIV	FPZDIV
-#define	FPAINVAL	FPINVAL
diff --git a/Linux/power/include/fpuctl.h b/Linux/power/include/fpuctl.h
index fd03942c..e69de29b 100644
--- a/Linux/power/include/fpuctl.h
+++ b/Linux/power/include/fpuctl.h
@@ -1,83 +0,0 @@
-/*
- * Linux PPC
- * Mimic Plan9 floating point support
- */
-
-static __inline__ ulong
-getfcr(void)
-{
-	float fpscr;
-
-	__asm__ __volatile__ ("mffs %0" : "=&f" (fpscr):);
-
-	return (ulong)fpscr;
-}
-
-static __inline__ ulong
-getfsr(void)
-{
-	float fpscr;
-
-	__asm__ __volatile__ ("mffs %0" : "=&f" (fpscr):);
-
-	return (ulong) fpscr;
-}
-
-static __inline__ void
-setfsr(ulong fsr)
-{
-	float t = (float) fsr;
-
-	__asm__ __volatile__("mtfsf 0xff, %0" : : "f" (t) );
-}
-
-static __inline__ void
-setfcr(ulong fcr)
-{
-	float t = (float) fcr;
-
-	__asm__ __volatile__("mtfsf 0xff, %0" : : "f" (t) );
-}
-
-/* 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
diff --git a/Linux/spim/include/fpuctl.h b/Linux/spim/include/fpuctl.h
index ad5dcba7..e69de29b 100644
--- a/Linux/spim/include/fpuctl.h
+++ b/Linux/spim/include/fpuctl.h
@@ -1,65 +0,0 @@
-/* FCR */
-#define	FCRBITS	0x00000F83
-#define	FPINEX	(1<<7)
-#define	FPUNFL	(1<<8)
-#define	FPOVFL	(1<<9)
-#define	FPZDIV	(1<<10)
-#define	FPINVAL	(1<<11)
-#define	FPRNR	(0<<0)
-#define	FPRZ	(1<<0)
-#define	FPRPINF	(2<<0)
-#define	FPRNINF	(3<<0)
-#define	FPRMASK	(3<<0)
-#define	FPPEXT	0
-#define	FPPSGL	0
-#define	FPPDBL	0
-#define	FPPMASK	0
-/* FSR */
-#define	FSRBITS	0x0003F07C
-#define	FPAINEX	(1<<2)
-#define	FPAOVFL	(1<<4)
-#define	FPAUNFL	(1<<3)
-#define	FPAZDIV	(1<<5)
-#define	FPAINVAL	(1<<6)
-
-/*
- * Linux mips fpu support
- * Mimic Plan9 floating point support
- */
-
-static void
-setfcr(ulong fcr)
-{
-	__asm__("ctc1	%0,$31\n"
-			: :"r" (fcr)
-	);
-}
-
-static ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-	__asm__("cfc1	%0,$31\n"
-			: "=r" (fcr)
-	);
-	fcr &= FCRBITS;
-	return fcr; 
-}
-
-static ulong
-getfsr(void)
-{
-	ulong fsr = 0;
-	__asm__("cfc1	%0,$31\n"
-			: "=r" (fsr)
-	);
-	fsr &= FSRBITS;
-	return fsr;
-}
-
-static void
-setfsr(ulong fsr)
-{
-	fsr |= getfcr();
-	setfcr(getfcr()|fsr);
-}