fpu-nofpu-low.S
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/* 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