b2ead52828
These functions aren't directly related to the FPU emulator at all, they simply copy between a thread's saved context & a sigcontext. Thus move them to the appropriate signal files & rename them accordingly. This makes it clearer that the functions don't require the FPU emulator in any way. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Reviewed-by: Qais Yousef <qais.yousef@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6422/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* Kevin D. Kissell, kevink@mips and Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
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*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Routines corresponding to Linux kernel FP context
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* manipulation primitives for the Algorithmics MIPS
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* FPU Emulator
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*/
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#include <linux/sched.h>
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#include <asm/processor.h>
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#include <asm/signal.h>
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#include <asm/uaccess.h>
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#include <asm/fpu.h>
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#include <asm/fpu_emulator.h>
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#define SIGNALLING_NAN 0x7ff800007ff80000LL
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void fpu_emulator_init_fpu(void)
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{
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static int first = 1;
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int i;
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if (first) {
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first = 0;
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printk("Algorithmics/MIPS FPU Emulator v1.5\n");
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}
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current->thread.fpu.fcr31 = 0;
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for (i = 0; i < 32; i++)
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set_fpr64(¤t->thread.fpu.fpr[i], 0, SIGNALLING_NAN);
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}
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