Commit 67f18f34 authored Oct 19, 2007 by Takashi Ohmasa Committed by Russell King Oct 20, 2007

[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: Takashi Ohmasa <ohmasa.takashi@jp.panasonic.com>
Signed-off-by: Russell 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);