2019-05-24 18:04:10 +08:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
2005-04-17 06:20:36 +08:00
|
|
|
/*
|
|
|
|
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
|
|
|
|
*
|
|
|
|
* Floating-point emulation code
|
|
|
|
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
|
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* BEGIN_DESC
|
|
|
|
*
|
|
|
|
* File:
|
|
|
|
* @(#) pa/fp/fpu.h $Revision: 1.1 $
|
|
|
|
*
|
|
|
|
* Purpose:
|
|
|
|
* <<please update with a synopis of the functionality provided by this file>>
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* END_DESC
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef __NO_PA_HDRS
|
|
|
|
PA header file -- do not include this header file for non-PA builds.
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
|
|
|
|
#define _MACHINE_FPU_INCLUDED
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
#ifndef _SYS_STDSYMS_INCLUDED
|
|
|
|
# include <sys/stdsyms.h>
|
|
|
|
#endif /* _SYS_STDSYMS_INCLUDED */
|
|
|
|
#include <machine/pdc/pdc_rqsts.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define PA83_FPU_FLAG 0x00000001
|
|
|
|
#define PA89_FPU_FLAG 0x00000002
|
|
|
|
#define PA2_0_FPU_FLAG 0x00000010
|
|
|
|
|
|
|
|
#define TIMEX_EXTEN_FLAG 0x00000004
|
|
|
|
|
|
|
|
#define ROLEX_EXTEN_FLAG 0x00000008
|
|
|
|
#define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */
|
|
|
|
#define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */
|
|
|
|
|
|
|
|
|
|
|
|
#define EM_FPU_TYPE_OFFSET 272
|
|
|
|
|
|
|
|
/* version of EMULATION software for COPR,0,0 instruction */
|
|
|
|
#define EMULATION_VERSION 4
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T)
|
|
|
|
* is thorough the potential type field from the PDC_MODEL call. The
|
|
|
|
* following flags are used at assist this differeniation.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO
|
|
|
|
#define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \
|
|
|
|
PDC_MODEL_CPU_KEY_RECIP_SQRT)
|
|
|
|
|
|
|
|
|
|
|
|
#endif /* ! _MACHINE_FPU_INCLUDED */
|