76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* Copyright (c) 2022 iXsystems, Inc.
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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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#ifdef KERNEL_EXPORTS_X86_FPU
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#include <sys/simd.h>
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#if defined(HAVE_KERNEL_FPU)
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void
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// cppcheck-suppress syntaxError
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kfpu_begin(void)
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{
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kernel_fpu_begin();
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}
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void
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// cppcheck-suppress syntaxError
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kfpu_end(void)
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{
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kernel_fpu_end();
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}
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#elif defined(HAVE_UNDERSCORE_KERNEL_FPU)
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void
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// cppcheck-suppress syntaxError
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kfpu_begin(void)
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{
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preempt_disable();
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__kernel_fpu_begin();
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}
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void
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// cppcheck-suppress syntaxError
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kfpu_end(void)
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{
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__kernel_fpu_end();
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preempt_enable();
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}
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#else
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/*
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* This case should be unreachable. When KERNEL_EXPORTS_X86_FPU is defined
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* then either HAVE_UNDERSCORE_KERNEL_FPU or HAVE_KERNEL_FPU must be defined.
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*/
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#error "Unreachable kernel configuration"
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#endif
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EXPORT_SYMBOL(kfpu_begin);
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EXPORT_SYMBOL(kfpu_end);
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#endif /* KERNEL_EXPORTS_X86_FPU */
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