From b437a36064c9260ffb08e55a91a4812e59efa1c4 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 9 Mar 2017 14:32:04 +0100 Subject: arm: Fix CPU context validation for Cortex-R4 Do not touch the FPSCR[QC] bit since this is DNM/RAZ on Cortex-R4. --- cpukit/score/cpu/arm/arm-context-validate.S | 6 +----- cpukit/score/cpu/arm/arm-context-volatile-clobber.S | 4 ++-- 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/cpukit/score/cpu/arm/arm-context-validate.S b/cpukit/score/cpu/arm/arm-context-validate.S index 5bb2e25f6d..d735bc63e0 100644 --- a/cpukit/score/cpu/arm/arm-context-validate.S +++ b/cpukit/score/cpu/arm/arm-context-validate.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved. + * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved. * * embedded brains GmbH * Dornierstr. 4 @@ -103,11 +103,7 @@ FUNCTION_ENTRY(_CPU_Context_validate) #ifdef ARM_MULTILIB_VFP /* R3 contains the FPSCR */ vmrs r3, FPSCR -#ifdef ARM_MULTILIB_ARCH_V7M ldr r4, =0xf000001f -#else - ldr r4, =0xf800001f -#endif bic r3, r3, r4 and r4, r4, r0 orr r3, r3, r4 diff --git a/cpukit/score/cpu/arm/arm-context-volatile-clobber.S b/cpukit/score/cpu/arm/arm-context-volatile-clobber.S index b3c9d7739b..0b7e0f302d 100644 --- a/cpukit/score/cpu/arm/arm-context-volatile-clobber.S +++ b/cpukit/score/cpu/arm/arm-context-volatile-clobber.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved. + * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved. * * embedded brains GmbH * Dornierstr. 4 @@ -33,7 +33,7 @@ FUNCTION_ENTRY(_CPU_Context_volatile_clobber) #ifdef ARM_MULTILIB_VFP vmrs r1, FPSCR - ldr r2, =0xf800001f + ldr r2, =0xf000001f bic r1, r1, r2 and r2, r2, r0 orr r1, r1, r2 -- cgit v1.2.3