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Date:      Sun, 20 Apr 2014 14:58:15 +0000 (UTC)
From:      Andrew Turner <andrew@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r264696 - head/lib/libc/arm/gen
Message-ID:  <201404201458.s3KEwFQx079814@svn.freebsd.org>

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Author: andrew
Date: Sun Apr 20 14:58:14 2014
New Revision: 264696
URL: http://svnweb.freebsd.org/changeset/base/264696

Log:
  Add the deprecated fp{get,set}* functions, a few ports use them.

Added:
  head/lib/libc/arm/gen/fpgetmask.c   (contents, props changed)
  head/lib/libc/arm/gen/fpgetround.c   (contents, props changed)
  head/lib/libc/arm/gen/fpgetsticky.c   (contents, props changed)
  head/lib/libc/arm/gen/fpsetmask.c   (contents, props changed)
  head/lib/libc/arm/gen/fpsetround.c   (contents, props changed)
  head/lib/libc/arm/gen/fpsetsticky.c   (contents, props changed)
Modified:
  head/lib/libc/arm/gen/Makefile.inc

Modified: head/lib/libc/arm/gen/Makefile.inc
==============================================================================
--- head/lib/libc/arm/gen/Makefile.inc	Sun Apr 20 14:45:17 2014	(r264695)
+++ head/lib/libc/arm/gen/Makefile.inc	Sun Apr 20 14:58:14 2014	(r264696)
@@ -9,3 +9,8 @@ SRCS+=	_ctx_start.S _setjmp.S _set_tp.c 
 .if ${MK_ARM_EABI} == "no"
 SRCS+=	divsi3.S
 .endif
+
+.if ${MACHINE_ARCH} == "armv6hf"
+SRCS+=	fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c fpsetround.c \
+	fpsetsticky.c
+.endif

Added: head/lib/libc/arm/gen/fpgetmask.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libc/arm/gen/fpgetmask.c	Sun Apr 20 14:58:14 2014	(r264696)
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014 Andrew Turner
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#ifdef __weak_alias
+__weak_alias(fpgetmask,_fpgetmask)
+#endif
+
+#define FP_X_MASK	(FP_X_INV | FP_X_DZ | FP_X_OFL | FP_X_UFL | FP_X_IMP)
+
+fp_except_t
+fpgetmask(void)
+{
+	fp_except mask;
+
+	__asm __volatile("vmrs %0, fpscr" : "=&r"(mask));
+
+	return ((mask >> 8) & FP_X_MASK);
+}
+

Added: head/lib/libc/arm/gen/fpgetround.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libc/arm/gen/fpgetround.c	Sun Apr 20 14:58:14 2014	(r264696)
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 Andrew Turner
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#ifdef __weak_alias
+__weak_alias(fpgetround,_fpgetround)
+#endif
+
+fp_rnd_t
+fpgetround(void)
+{
+	uint32_t fpscr;
+
+	__asm __volatile("vmrs %0, fpscr" : "=&r"(fpscr));
+
+	return ((fpscr >> 22) & 3);
+}
+

Added: head/lib/libc/arm/gen/fpgetsticky.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libc/arm/gen/fpgetsticky.c	Sun Apr 20 14:58:14 2014	(r264696)
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014 Andrew Turner
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#ifdef __weak_alias
+__weak_alias(fpgetsticky,_fpgetsticky)
+#endif
+
+#define FP_X_MASK	(FP_X_INV | FP_X_DZ | FP_X_OFL | FP_X_UFL | FP_X_IMP)
+
+fp_except
+fpgetsticky(void)
+{
+	fp_except old;
+
+	__asm __volatile("vmrs %0, fpscr" : "=&r"(old));
+
+	return (old & FP_X_MASK);
+}
+

Added: head/lib/libc/arm/gen/fpsetmask.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libc/arm/gen/fpsetmask.c	Sun Apr 20 14:58:14 2014	(r264696)
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 Andrew Turner
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#ifdef __weak_alias
+__weak_alias(fpsetmask,_fpsetmask)
+#endif
+
+#define FP_X_MASK	(FP_X_INV | FP_X_DZ | FP_X_OFL | FP_X_UFL | FP_X_IMP)
+
+fp_except_t
+fpsetmask(fp_except_t mask)
+{
+	fp_except old, new;
+
+	__asm __volatile("vmrs %0, fpscr" : "=&r"(old));
+	mask = (mask & FP_X_MASK) << 8;
+	new = (old & ~(FP_X_MASK << 8)) | mask;
+	__asm __volatile("vmsr fpscr, %0" : : "r"(old));
+
+	return ((old >> 8) & FP_X_MASK);
+}
+

Added: head/lib/libc/arm/gen/fpsetround.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libc/arm/gen/fpsetround.c	Sun Apr 20 14:58:14 2014	(r264696)
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2014 Andrew Turner
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#ifdef __weak_alias
+__weak_alias(fpsetround,_fpsetround)
+#endif
+
+fp_rnd_t
+fpsetround(fp_rnd_t rnd_dir)
+{
+	uint32_t old, new;
+
+	__asm __volatile("vmrs %0, fpscr" : "=&r"(old));
+	new = old & ~(3 << 22);
+	new |= rnd_dir << 22;
+	__asm __volatile("vmsr fpscr, %0" : : "r"(new));
+
+	return ((old >> 22) & 3);
+}
+

Added: head/lib/libc/arm/gen/fpsetsticky.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/lib/libc/arm/gen/fpsetsticky.c	Sun Apr 20 14:58:14 2014	(r264696)
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 Andrew Turner
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+#ifdef __weak_alias
+__weak_alias(fpsetsticky,_fpsetsticky)
+#endif
+
+#define FP_X_MASK	(FP_X_INV | FP_X_DZ | FP_X_OFL | FP_X_UFL | FP_X_IMP)
+
+fp_except
+fpsetsticky(fp_except except)
+{
+	fp_except old, new;
+
+	__asm __volatile("vmrs %0, fpscr" : "=&r"(old));
+	new = old & ~(FP_X_MASK);
+	new &= ~except;
+	__asm __volatile("vmsr fpscr, %0" : : "r"(new));
+
+	return (old & except);
+}
+



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