From: Takashi Ohmasa <ohmasa.takashi@com.rmk.(none)>
Date: Mon, 23 Oct 2006 10:19:40 +0000 (+0100)
Subject: [ARM] 3900/1: Fix VFP Division by Zero exception handling.
X-Git-Tag: v2.6.19-rc4~23^2~5
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=e0f205d9c656da9dad6340f75e33a96014b7d23f;p=linux-2.6-omap-h63xx.git

[ARM] 3900/1: Fix VFP Division by Zero exception handling.

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>
---

diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index a657a28f08d..f08eafbddcc 100644
--- 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);