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https://github.com/Fennix-Project/Kernel.git
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74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_CPU_MEMBAR_H__
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#define __FENNIX_KERNEL_CPU_MEMBAR_H__
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#include <types.h>
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namespace CPU
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{
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namespace MemBar
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{
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nsa static inline void Barrier()
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{
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#if defined(a86)
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asmv("" ::
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: "memory");
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#elif defined(aa64)
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asmv("dmb ish" ::
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: "memory");
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#endif
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}
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nsa static inline void Fence()
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{
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#if defined(a86)
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asmv("mfence" ::
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: "memory");
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#elif defined(aa64)
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asmv("dmb ish" ::
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: "memory");
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#endif
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}
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nsa static inline void StoreFence()
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{
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#if defined(a86)
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asmv("sfence" ::
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: "memory");
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#elif defined(aa64)
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asmv("dmb ishst" ::
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: "memory");
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#endif
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}
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nsa static inline void LoadFence()
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{
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#if defined(a86)
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asmv("lfence" ::
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: "memory");
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#elif defined(aa64)
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asmv("dmb ishld" ::
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: "memory");
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#endif
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}
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}
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}
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#endif // !__FENNIX_KERNEL_CPU_MEMBAR_H__
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