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50 lines
1.3 KiB
C
Executable File
50 lines
1.3 KiB
C
Executable File
/*
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* This file is part of GodMode9
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* Copyright (C) 2018-2019 Wolfvak
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*
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* This program 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 by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <types.h>
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enum MMU_MemoryType {
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STRONGLY_ORDERED = 0,
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NON_CACHEABLE,
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DEVICE_SHARED,
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DEVICE_NONSHARED,
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CACHED_WT,
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CACHED_WB,
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CACHED_WB_ALLOC,
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MEMORY_TYPES,
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};
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enum MMU_MemoryAccess {
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NO_ACCESS = 0,
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READ_ONLY,
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READ_WRITE,
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};
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#define MMU_FLAGS(t, ap, nx, s) ((s) << 25 | (nx) << 24 | (ap) << 8 | (t))
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#define MMU_FLAGS_TYPE(f) ((f) & 0xFF)
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#define MMU_FLAGS_ACCESS(f) (((f) >> 8) & 0xFF)
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#define MMU_FLAGS_NOEXEC(f) ((f) & BIT(24))
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#define MMU_FLAGS_SHARED(f) ((f) & BIT(25))
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u32 MMU_Map(u32 va, u32 pa, u32 size, u32 flags);
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void MMU_Init(void);
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