mirror of
https://github.com/Atmosphere-NX/Atmosphere
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73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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 <exosphere.hpp>
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#include "secmon_smc_common.hpp"
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namespace ams::secmon::smc {
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namespace impl {
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class PageMapperImpl {
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private:
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uintptr_t physical_address;
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uintptr_t virtual_address;
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public:
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constexpr PageMapperImpl(uintptr_t phys) : physical_address(util::AlignDown(phys, 4_KB)), virtual_address() { /* ... */ }
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void *GetPointerTo(uintptr_t phys, size_t size) const;
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bool CopyToUser(uintptr_t dst_phys, const void *src, size_t size) const;
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bool CopyFromUser(void *dst, uintptr_t src_phys, size_t size) const;
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template<auto F>
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bool MapImpl() {
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this->virtual_address = F(this->physical_address);
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return this->virtual_address != 0;
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}
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template<auto F>
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void UnmapImpl() {
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F();
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this->virtual_address = 0;
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}
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};
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}
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class UserPageMapper : public impl::PageMapperImpl {
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public:
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constexpr UserPageMapper(uintptr_t phys) : PageMapperImpl(phys) { /* ... */ }
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bool Map();
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};
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class AtmosphereIramPageMapper : public impl::PageMapperImpl {
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public:
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constexpr AtmosphereIramPageMapper(uintptr_t phys) : PageMapperImpl(phys) { /* ... */ }
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~AtmosphereIramPageMapper();
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bool Map();
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};
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class AtmosphereUserPageMapper : public impl::PageMapperImpl {
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public:
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constexpr AtmosphereUserPageMapper(uintptr_t phys) : PageMapperImpl(phys) { /* ... */ }
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~AtmosphereUserPageMapper();
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bool Map();
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};
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}
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