/*
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* Copyright (C) 2005 Philippe Gerum <rpm@xenomai.org>.
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*
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* Xenomai is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* Xenomai is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Xenomai; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _COBALT_X86_ASM_WRAPPERS_H
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#define _COBALT_X86_ASM_WRAPPERS_H
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#include <asm-generic/xenomai/wrappers.h> /* Read the generic portion. */
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#define __get_user_inatomic __get_user
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#define __put_user_inatomic __put_user
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#if LINUX_VERSION_CODE > KERNEL_VERSION(4,9,108) && \
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LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0)
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#define IPIPE_X86_FPU_EAGER
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#endif
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#if LINUX_VERSION_CODE > KERNEL_VERSION(4,4,137) && \
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LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0)
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#define IPIPE_X86_FPU_EAGER
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)
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#define IPIPE_X86_FPU_EAGER
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
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#include <asm/i387.h>
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#include <asm/fpu-internal.h>
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#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0) && \
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LINUX_VERSION_CODE < KERNEL_VERSION(5,16,0)
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#include <asm/fpu/internal.h>
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#else
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
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static inline void kernel_fpu_disable(void)
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{
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__thread_clear_has_fpu(current);
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}
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static inline void kernel_fpu_enable(void)
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{
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}
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static inline bool kernel_fpu_disabled(void)
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{
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return __thread_has_fpu(current) == 0 && (read_cr0() & X86_CR0_TS) == 0;
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}
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#endif /* linux < 4.1.0 */
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#endif /* _COBALT_X86_ASM_WRAPPERS_H */
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