2010-10-27 16:28:52 +00:00
|
|
|
/* MN10300 FPU management
|
|
|
|
|
*
|
|
|
|
|
* 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 <asm/fpu.h>
|
2016-03-17 21:21:09 +00:00
|
|
|
#include <asm/elf.h>
|
2010-10-27 16:28:52 +00:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* handle an FPU operational exception
|
|
|
|
|
* - there's a possibility that if the FPU is asynchronous, the signal might
|
|
|
|
|
* be meant for a process other than the current one
|
|
|
|
|
*/
|
|
|
|
|
asmlinkage
|
|
|
|
|
void unexpected_fpu_exception(struct pt_regs *regs, enum exception_code code)
|
|
|
|
|
{
|
|
|
|
|
panic("An FPU exception was received, but there's no FPU enabled.");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* fill in the FPU structure for a core dump
|
|
|
|
|
*/
|
|
|
|
|
int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpreg)
|
|
|
|
|
{
|
|
|
|
|
return 0; /* not valid */
|
|
|
|
|
}
|
