| 12345678910111213141516171819202122232425262728293031323334353637383940 |
- /* 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
|
