forked from Archive/PX4-Autopilot
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
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/***********************************************************************
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* pfdefs.h
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* Floating point operation codes
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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***********************************************************************/
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#ifndef __PFDEFS_H
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#define __PFDEFS_H
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/***********************************************************************
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* FLOATING POINT SUB-OPCODES
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***********************************************************************/
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/* This bit may be set in the opcode to indicate that the arguments
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* is(are) type integer and require(s) conversion. */
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#define fpARG1 (0x40)
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#define fpARG2 (0x80)
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#define fpMASK (0x3f)
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#define fpSHIFT 6
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/* The "INVALID" floating point operation */
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#define fpINVLD (0x00)
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/* Floating Pointer Conversions (On 16-bit stack argument: FP or Integer) */
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#define fpFLOAT (0x01)
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#define fpTRUNC (0x02)
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#define fpROUND (0x03)
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/* Floating Point arithmetic instructions (Two FP 16-bit stack arguments) */
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#define fpADD (0x04)
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#define fpSUB (0x05)
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#define fpMUL (0x06)
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#define fpDIV (0x07)
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#define fpMOD (0x08)
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/* Floating Point Comparisons (Two FP 16-bit stack arguments) */
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#define fpEQU (0x0a)
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#define fpNEQ (0x0b)
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#define fpLT (0x0c)
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#define fpGTE (0x0d)
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#define fpGT (0x0e)
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#define fpLTE (0x0f)
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/* Floating Point arithmetic instructions (One FP 16-bit stack arguments) */
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#define fpNEG (0x10)
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#define fpABS (0x11)
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#define fpSQR (0x12)
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#define fpSQRT (0x13)
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#define fpSIN (0x14)
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#define fpCOS (0x15)
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#define fpATAN (0x16)
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#define fpLN (0x17)
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#define fpEXP (0x18)
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#define MAX_FOP (0x19) /* Number of floating point operations */
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#endif /* __PFDEFS_H */
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