Commit 67f18f34 authored by Takashi Ohmasa's avatar Takashi Ohmasa Committed by Russell King
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[ARM] 4629/1: Fix VFP emulation code to clear all exception flags of FPEXC 



All exception flags of the FPEXC register must be cleared before
returning from exception code to user code, including FP2V and OFC.

Signed-off-by: default avatarTakashi Ohmasa <ohmasa.takashi@jp.panasonic.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 0825c672

arch/arm/vfp/vfpmodule.c

+1 −1
Original line number Diff line number Diff line
@@ -229,7 +229,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) 
	/*

	 * Enable access to the VFP so we can handle the bounce.

	 */

	fmxr(FPEXC, fpexc & ~(FPEXC_EX|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));

	fmxr(FPEXC, fpexc & ~(FPEXC_EX|FPEXC_FPV2|FPEXC_INV|FPEXC_UFC|FPEXC_OFC|FPEXC_IOC));



	orig_fpscr = fpscr = fmrx(FPSCR);