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5a83f761c7
FreeBSD/powerpc64 is all ELFv2 since FreeBSD 13, even big endian. The existing sha256 and sha512 asm code assumes that BE is all ELFv1, and LE is ELFv2. Minor changes to add ELFv2 in the BE side gets this working correctly on FreeBSD with latest OpenZFS import. Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Justin Hibbits <chmeeedalf@gmail.com> Closes #14779
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*
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* Copyright (C) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
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* All rights reserved.
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* SIMD support:
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*
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* Following functions should be called to determine whether CPU feature
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* is supported. All functions are usable in kernel and user space.
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* If a SIMD algorithm is using more than one instruction set
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* all relevant feature test functions should be called.
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*
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* Supported features:
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* zfs_altivec_available()
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* zfs_vsx_available()
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* zfs_isa207_available()
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*/
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#ifndef _FREEBSD_SIMD_POWERPC_H
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#define _FREEBSD_SIMD_POWERPC_H
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#include <sys/types.h>
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#include <sys/cdefs.h>
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#include <machine/pcb.h>
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#include <machine/cpu.h>
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#define kfpu_allowed() 0
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#define kfpu_initialize(tsk) do {} while (0)
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#define kfpu_begin() do {} while (0)
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#define kfpu_end() do {} while (0)
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#define kfpu_init() (0)
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#define kfpu_fini() do {} while (0)
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/*
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* Check if Altivec is available
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*/
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static inline boolean_t
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zfs_altivec_available(void)
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{
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return ((cpu_features & PPC_FEATURE_HAS_ALTIVEC) != 0);
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}
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/*
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* Check if VSX is available
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*/
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static inline boolean_t
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zfs_vsx_available(void)
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{
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return ((cpu_features & PPC_FEATURE_HAS_VSX) != 0);
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}
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/*
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* Check if POWER ISA 2.07 is available (SHA2)
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*/
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static inline boolean_t
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zfs_isa207_available(void)
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{
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return ((cpu_features2 & PPC_FEATURE2_ARCH_2_07) != 0);
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}
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#endif
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