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| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-02 09:58:49 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-02 09:58:49 -0400 |
| commit | 9e3be1edbe5ca57df51140b523168237b3a01f4d (patch) | |
| tree | a72c0ec1ce0fbcdcd12ecb6aad9bedcc94b94f9d /arch/mn10300/kernel/fpu-nofpu-low.S | |
| parent | ASoC: Fix SND_SOC_ALL_CODECS typo for alc5623 (diff) | |
| parent | Merge commit 'v2.6.37-rc1' into for-2.6.37 (diff) | |
| download | linux-dev-9e3be1edbe5ca57df51140b523168237b3a01f4d.tar.xz linux-dev-9e3be1edbe5ca57df51140b523168237b3a01f4d.zip | |
Merge branch 'for-2.6.37' into HEAD
WARN() fix from Joe moved.
Conflicts:
sound/soc/codecs/wm_hubs.c
Diffstat (limited to 'arch/mn10300/kernel/fpu-nofpu-low.S')
| -rw-r--r-- | arch/mn10300/kernel/fpu-nofpu-low.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/mn10300/kernel/fpu-nofpu-low.S b/arch/mn10300/kernel/fpu-nofpu-low.S new file mode 100644 index 000000000000..7ea087a549f4 --- /dev/null +++ b/arch/mn10300/kernel/fpu-nofpu-low.S @@ -0,0 +1,39 @@ +/* MN10300 Low level FPU management operations + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#include <linux/linkage.h> +#include <asm/cpu-regs.h> +#include <asm/smp.h> +#include <asm/thread_info.h> +#include <asm/asm-offsets.h> +#include <asm/frame.inc> + +############################################################################### +# +# void fpu_disabled(void) +# - handle an exception due to the FPU being disabled +# when CONFIG_FPU is disabled +# +############################################################################### + .type fpu_disabled,@function + .globl fpu_disabled +fpu_disabled: + add -4,sp + SAVE_ALL + mov -1,d0 + mov d0,(REG_ORIG_D0,fp) + + and ~EPSW_NMID,epsw + + mov fp,d0 + call unexpected_fpu_exception[],0 + jmp ret_from_exception + + .size fpu_disabled,.-fpu_disabled |