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Diffstat (limited to 'sys/include/arch/amd64/vas.h')
-rw-r--r-- | sys/include/arch/amd64/vas.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/sys/include/arch/amd64/vas.h b/sys/include/arch/amd64/vas.h deleted file mode 100644 index b8eef89..0000000 --- a/sys/include/arch/amd64/vas.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _AMD64_PMAP_H_ -#define _AMD64_PMAP_H_ - -#include <sys/types.h> -#include <sys/spinlock.h> - -/* - * VAS structure - describes a virtual address space - * - * XXX: This structure shall exist per-process. - * - * TODO: As of now, VAS operations are *not* serialized!!! - * This must change once Hyra becomes multi-threaded - * or things will go wrong *very* quickly. Ensure of - * this or you will suffer the consequences of undefined - * behavior and you will not like it! - */ -struct vas { - size_t cr3_flags; /* CR3 flags */ - uintptr_t top_level; /* PML5 if `use_l5_paging' true, otherwise PML4 */ - bool use_l5_paging; /* True if 5-level paging is supported */ - struct spinlock lock; -}; - -#endif /* !_AMD64_PMAP_H_ */ |