55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
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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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* Further private data for which no space exists in mips_fpu_struct.
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* This should be subsumed into the mips_fpu_struct structure as
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* defined in processor.h as soon as the absurd wired absolute assembler
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* offsets become dynamic at compile time.
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*
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* Kevin D. Kissell, kevink@mips.com 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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#ifndef _ASM_FPU_EMULATOR_H
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#define _ASM_FPU_EMULATOR_H
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#include <asm/break.h>
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#include <asm/inst.h>
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struct mips_fpu_emulator_stats {
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unsigned int emulated;
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unsigned int loads;
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unsigned int stores;
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unsigned int cp1ops;
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unsigned int cp1xops;
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unsigned int errors;
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};
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extern struct mips_fpu_emulator_stats fpuemustats;
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extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir,
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unsigned long cpc);
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extern int do_dsemulret(struct pt_regs *xcp);
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/*
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* Instruction inserted following the badinst to further tag the sequence
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*/
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#define BD_COOKIE 0x0000bd36 /* tne $0, $0 with baggage */
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/*
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* Break instruction with special math emu break code set
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*/
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#define BREAK_MATH (0x0000000d | (BRK_MEMU << 16))
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#endif /* _ASM_FPU_EMULATOR_H */
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