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[src/trunk]: src/sys/arch fenv for m68k
details: https://anonhg.NetBSD.org/src/rev/db2bd248ebe0
branches: trunk
changeset: 342487:db2bd248ebe0
user: christos <christos%NetBSD.org@localhost>
date: Thu Dec 24 14:12:39 2015 +0000
description:
fenv for m68k
diffstat:
sys/arch/amiga/include/Makefile | 4 +-
sys/arch/amiga/include/fenv.h | 3 +
sys/arch/atari/include/Makefile | 4 +-
sys/arch/atari/include/fenv.h | 3 +
sys/arch/cesfic/include/Makefile | 4 +-
sys/arch/cesfic/include/fenv.h | 3 +
sys/arch/evbcf/include/Makefile | 4 +-
sys/arch/evbcf/include/fenv.h | 3 +
sys/arch/hp300/include/Makefile | 4 +-
sys/arch/hp300/include/fenv.h | 3 +
sys/arch/luna68k/include/Makefile | 4 +-
sys/arch/luna68k/include/fenv.h | 3 +
sys/arch/m68k/include/Makefile | 4 +-
sys/arch/m68k/include/fenv.h | 302 ++++++++++++++++++++++++++++++++++++++
sys/arch/mac68k/include/Makefile | 4 +-
sys/arch/mac68k/include/fenv.h | 3 +
sys/arch/mvme68k/include/Makefile | 4 +-
sys/arch/mvme68k/include/fenv.h | 3 +
sys/arch/news68k/include/Makefile | 4 +-
sys/arch/news68k/include/fenv.h | 3 +
sys/arch/next68k/include/Makefile | 4 +-
sys/arch/next68k/include/fenv.h | 3 +
sys/arch/sun2/include/Makefile | 4 +-
sys/arch/sun2/include/fenv.h | 3 +
sys/arch/sun3/include/Makefile | 4 +-
sys/arch/sun3/include/fenv.h | 3 +
sys/arch/x68k/include/Makefile | 4 +-
sys/arch/x68k/include/fenv.h | 3 +
28 files changed, 369 insertions(+), 28 deletions(-)
diffs (truncated from 649 to 300 lines):
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/amiga/include/Makefile
--- a/sys/arch/amiga/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/amiga/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.25 2011/07/17 20:54:36 joerg Exp $
+# $NetBSD: Makefile,v 1.26 2015/12/24 14:13:35 christos Exp $
INCSDIR= /usr/include/amiga
@@ -7,7 +7,7 @@
cdefs.h cpu.h cpufunc.h \
disklabel.h \
elf_machdep.h endian.h endian_machdep.h \
- float.h frame.h \
+ fenv.h float.h frame.h \
ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
intr.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/amiga/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/amiga/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,3 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:13:35 christos Exp $ */
+
+#include <m68k/fenv.h>
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/atari/include/Makefile
--- a/sys/arch/atari/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/atari/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.25 2011/07/17 20:54:37 joerg Exp $
+# $NetBSD: Makefile,v 1.26 2015/12/24 14:13:35 christos Exp $
INCSDIR= /usr/include/atari
@@ -7,7 +7,7 @@
cdefs.h cpu.h cpufunc.h \
disklabel.h \
elf_machdep.h endian.h endian_machdep.h \
- float.h frame.h \
+ fenv.h float.h frame.h \
intr.h ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
kcore.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/atari/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/atari/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,3 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:13:35 christos Exp $ */
+
+#include <m68k/fenv.h>
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/cesfic/include/Makefile
--- a/sys/arch/cesfic/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/cesfic/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.10 2011/07/17 20:54:38 joerg Exp $
+# $NetBSD: Makefile,v 1.11 2015/12/24 14:13:35 christos Exp $
INCSDIR= /usr/include/cesfic
@@ -7,7 +7,7 @@
cdefs.h cpu.h \
disklabel.h elf_machdep.h \
endian.h endian_machdep.h \
- float.h frame.h \
+ fenv.h float.h frame.h \
ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
intr.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/cesfic/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/cesfic/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,3 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:13:35 christos Exp $ */
+
+#include <m68k/fenv.h>
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/evbcf/include/Makefile
--- a/sys/arch/evbcf/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/evbcf/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.2 2014/03/18 18:20:41 riastradh Exp $
+# $NetBSD: Makefile,v 1.3 2015/12/24 14:13:35 christos Exp $
INCSDIR= /usr/include/evbcf
@@ -7,7 +7,7 @@
cdefs.h cpu.h \
disklabel.h \
elf_machdep.h endian.h endian_machdep.h \
- float.h frame.h \
+ fenv.h float.h frame.h \
ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
intr.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/evbcf/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbcf/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,3 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:13:35 christos Exp $ */
+
+#include <m68k/fenv.h>
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/hp300/include/Makefile
--- a/sys/arch/hp300/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/hp300/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.26 2011/07/17 20:54:40 joerg Exp $
+# $NetBSD: Makefile,v 1.27 2015/12/24 14:13:35 christos Exp $
INCSDIR= /usr/include/hp300
@@ -7,7 +7,7 @@
cdefs.h cpu.h \
disklabel.h \
elf_machdep.h endian.h endian_machdep.h \
- float.h frame.h \
+ fenv.h float.h frame.h \
hp300spu.h hpux_machdep.h \
ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/hp300/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/hp300/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,3 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:13:35 christos Exp $ */
+
+#include <m68k/fenv.h>
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/luna68k/include/Makefile
--- a/sys/arch/luna68k/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/luna68k/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.17 2011/07/17 20:54:43 joerg Exp $
+# $NetBSD: Makefile,v 1.18 2015/12/24 14:13:35 christos Exp $
INCSDIR= /usr/include/luna68k
@@ -7,7 +7,7 @@
cdefs.h cpu.h \
disklabel.h \
elf_machdep.h endian.h endian_machdep.h \
- float.h frame.h \
+ fenv.h float.h frame.h \
ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
intr.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/luna68k/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/luna68k/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,3 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:13:35 christos Exp $ */
+
+#include <m68k/fenv.h>
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/m68k/include/Makefile
--- a/sys/arch/m68k/include/Makefile Thu Dec 24 14:12:12 2015 +0000
+++ b/sys/arch/m68k/include/Makefile Thu Dec 24 14:12:39 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.28 2013/07/17 05:42:02 matt Exp $
+# $NetBSD: Makefile,v 1.29 2015/12/24 14:12:39 christos Exp $
INCSDIR= /usr/include/m68k
@@ -7,7 +7,7 @@
cacheops.h cacheops_20.h cacheops_30.h cacheops_40.h cacheops_60.h \
cdefs.h cpu.h cpuframe.h \
elf_machdep.h endian.h endian_machdep.h \
- float.h fpreg.h frame.h \
+ fenv.h float.h fpreg.h frame.h \
ieee.h ieeefp.h \
int_const.h int_fmtio.h int_limits.h int_mwgwtypes.h int_types.h \
kcore.h \
diff -r 39f8c8c77933 -r db2bd248ebe0 sys/arch/m68k/include/fenv.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/m68k/include/fenv.h Thu Dec 24 14:12:39 2015 +0000
@@ -0,0 +1,302 @@
+/* $NetBSD: fenv.h,v 1.1 2015/12/24 14:12:39 christos Exp $ */
+
+/*-
+ * Copyright (c) 2015 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _M68K_FENV_H_
+#define _M68K_FENV_H_
+
+#include <sys/stdint.h>
+#include <m68k/float.h>
+#include <m68k/fpreg.h>
+
+#ifndef __fenv_static
+#define __fenv_static static
+#endif
+
+/* Exception bits, from FPSR */
+#define FE_INEXACT FPSR_AINEX
+#define FE_DIVBYZERO FPSR_ADZ
+#define FE_UNDERFLOW FPSR_AUNFL
+#define FE_OVERFLOW FPSR_AOVFL
+#define FE_INVALID FPSR_AIOP
+
+#define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* Rounding modes, from FPSR */
+#define FE_TONEAREST FPCR_NEAR
+#define FE_TOWARDZERO FPCR_ZERO
+#define FE_DOWNWARD FPCR_MINF
+#define FE_UPWARD FPCR_PINF
+
+#define _ROUND_MASK \
+ (FE_TONEAREST | FE_TOWARDZERO | FE_DOWNWARD | FE_UPWARD)
+
+typedef uint32_t fexcept_t;
+
+/* same layout as fmovem */
+typedef struct {
+ uint32_t fpcr;
+ uint32_t fpsr;
+ uint32_t fppc;
+} fenv_t;
+
+#define FE_DFL_ENV ((fenv_t *) -1)
+
+#define __get_fpcr(__fpcr) \
+ __asm__ __volatile__ ("fmove%.l %!,%0" : "=dm" (__fpcr))
+#define __set_fpcr(__fpcr) \
+ __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (__fpcr))
+
+#define __get_fpsr(__fpsr) \
+ __asm__ __volatile__ ("fmove%.l %/fpsr,%0" : "=dm" (__fpsr))
+#define __set_fpsr(__fpsr) \
+ __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (__fpsr))
+
+#define __fmul(__s, __t, __d) \
+ do { \
+ __t d = __d; \
+ __asm__ __volatile__ ("fmul" __s "; fnop" : "=f" (d) : "0" (d)); \
+ } while (/*CONSTCOND*/0)
+
+#define __fdiv(__s, __t, __d) \
+ do { \
+ __t d = __d; \
+ __asm__ __volatile__ ("fdiv" __s "; fnop" : "=f" (d) : "0" (d)); \
+ } while (/*CONSTCOND*/0)
+
+#define __fetox(__s, __t, __d) \
+ do { \
+ __t d = __d; \
+ __asm__ __volatile__ ("fetox" __s "; fnop" : "=f" (d) : "0" (d)); \
+ } while (/*CONSTCOND*/0)
+
+#define __fgetenv(__envp) \
+ __asm__ __volatile__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (__envp))
+
+#define __fsetenv(__envp) \
+ __asm__ __volatile__ ("fmovem%.l %0,%/fpcr/%/fpsr/%/fpiar" : : "m" (__envp))
+
+__fenv_static inline int
+feclearexcept(int __excepts)
+{
+ fexcept_t __fpsr;
+
+ __excepts &= FE_ALL_EXCEPT;
+
+ __get_fpsr(__fpsr);
+ __fpsr &= ~__excepts;
+ __set_fpsr(__fpsr);
+
+ return 0;
+}
+
+__fenv_static inline int
+fegetexceptflag(fexcept_t *__flagp, int __excepts)
+{
+ fexcept_t __fpsr;
+
+ __get_fpsr(__fpsr);
+
+ *__flagp = __fpsr & __excepts & FE_ALL_EXCEPT;
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