Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Linux/PA-RISC Project (http://www.parisc-linux.org/)
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*
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* Floating-point emulation code
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* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
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*/
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#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
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#define _MACHINE_FPU_INCLUDED
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#define PA83_FPU_FLAG 0x00000001
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#define PA89_FPU_FLAG 0x00000002
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#define PA2_0_FPU_FLAG 0x00000010
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#define TIMEX_EXTEN_FLAG 0x00000004
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#define ROLEX_EXTEN_FLAG 0x00000008
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#define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */
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#define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */
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#define EM_FPU_TYPE_OFFSET 272
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/* version of EMULATION software for COPR,0,0 instruction */
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#define EMULATION_VERSION 4
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/*
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* The only way to differentiate between TIMEX and ROLEX (or PCX-S and PCX-T)
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* is through the potential type field from the PDC_MODEL call.
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* The following flags are used to assist this differentiation.
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*/
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#define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO
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#define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \
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PDC_MODEL_CPU_KEY_RECIP_SQRT)
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#endif /* ! _MACHINE_FPU_INCLUDED */
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