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[ARM] 3900/1: Fix VFP Division by Zero exception handling.
author
Takashi Ohmasa
<ohmasa.takashi@com.rmk.(none)>
Mon, 23 Oct 2006 10:19:40 +0000
(11:19 +0100)
committer
Russell King
<rmk+kernel@arm.linux.org.uk>
Sat, 28 Oct 2006 09:15:31 +0000
(10:15 +0100)
The SIGFPE signal should be generated if Division by Zero exception is detected.
Signed-off-by: Takashi Ohmasa <ohmasa.takashi@jp.panasonic.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/vfp/vfpmodule.c
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diff --git
a/arch/arm/vfp/vfpmodule.c
b/arch/arm/vfp/vfpmodule.c
index a657a28f08dbbbf701acfe16e18a6b4350430948..f08eafbddcc1ba7660e2d5ed68849b7595c36b49 100644
(file)
--- a/
arch/arm/vfp/vfpmodule.c
+++ b/
arch/arm/vfp/vfpmodule.c
@@
-148,6
+148,7
@@
static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
/*
* These are arranged in priority order, least to highest.
*/
+ RAISE(FPSCR_DZC, FPSCR_DZE, FPE_FLTDIV);
RAISE(FPSCR_IXC, FPSCR_IXE, FPE_FLTRES);
RAISE(FPSCR_UFC, FPSCR_UFE, FPE_FLTUND);
RAISE(FPSCR_OFC, FPSCR_OFE, FPE_FLTOVF);