StdLib: Patches and updates for ARM.
Add ARMGCC and RVCT toolchain support. Update and Add ARM specific machine headers. Set the empty macro for __warn_references(). Make __flt_rounds() return 'Round to nearest' by default on ARM. Signed-off-by: Olivier Martin [olivier.martin@arm.com] Reviewed-by: darylm503 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12367 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -1,4 +1,4 @@
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/* $NetBSD: flt_rounds.c,v 1.3 2006/02/25 00:58:35 wiz Exp $ */
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/* $NetBSD: flt_rounds.c,v 1.3 2006/02/25 00:58:35 wiz Exp $ */
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/*
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* Copyright (c) 1996 Mark Brinicombe
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@@ -15,7 +15,7 @@
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe
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* for the NetBSD Project.
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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@@ -31,29 +31,29 @@
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/EfiCdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: flt_rounds.c,v 1.3 2006/02/25 00:58:35 wiz Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <ieeefp.h>
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//#include <ieeefp.h>
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static const int map[] = {
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1, /* round to nearest */
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2, /* round to positive infinity */
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3, /* round to negative infinity */
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0 /* round to zero */
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1, /* round to nearest */
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2, /* round to positive infinity */
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3, /* round to negative infinity */
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0 /* round to zero */
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};
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/*
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* Return the current FP rounding mode
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*
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* Returns:
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* 0 - round to zero
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* 1 - round to nearest
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* 2 - round to postive infinity
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* 3 - round to negative infinity
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* 0 - round to zero
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* 1 - round to nearest
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* 2 - round to postive infinity
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* 3 - round to negative infinity
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*
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* ok all we need to do is get the current FP rounding mode
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* index our map table and return the appropriate value.
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@@ -77,5 +77,6 @@ int __flt_rounds(void);
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int
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__flt_rounds()
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{
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return(map[fpgetround()]);
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//return(map[fpgetround()]);
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return 1; //TODO: FixMe
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}
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