/* 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 [31mCONFIG_FPU[0m 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 |