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https://github.com/Atmosphere-NX/Atmosphere.git
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96f95b9f95
* result: try out some experimental shenanigans * result: sketch out some more shenanigans * result: see what it looks like to convert kernel to use result conds instead of guards * make rest of kernel use experimental new macro-ing
55 lines
2.4 KiB
C++
55 lines
2.4 KiB
C++
/*
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* Copyright (c) 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 <mesosphere/kern_common.hpp>
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#if defined(ATMOSPHERE_ARCH_ARM64)
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#include <mesosphere/arch/arm64/kern_k_page_table.hpp>
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#include <mesosphere/arch/arm64/kern_k_supervisor_page_table.hpp>
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#include <mesosphere/arch/arm64/kern_k_process_page_table.hpp>
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namespace ams::kern {
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using ams::kern::arch::arm64::KPageTable;
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using ams::kern::arch::arm64::KSupervisorPageTable;
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using ams::kern::arch::arm64::KProcessPageTable;
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}
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#else
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#error "Unknown architecture for KPageTable"
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#endif
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namespace ams::kern {
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/* NOTE: These three functions (Operate, Operate, FinalizeUpdate) are virtual functions */
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/* in Nintendo's kernel. We devirtualize them, since KPageTable is the only derived */
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/* class, and this avoids unnecessary virtual function calls. */
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static_assert(std::derived_from<KPageTable, KPageTableBase>);
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ALWAYS_INLINE Result KPageTableBase::Operate(PageLinkedList *page_list, KProcessAddress virt_addr, size_t num_pages, KPhysicalAddress phys_addr, bool is_pa_valid, const KPageProperties properties, OperationType operation, bool reuse_ll) {
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R_RETURN(static_cast<KPageTable *>(this)->OperateImpl(page_list, virt_addr, num_pages, phys_addr, is_pa_valid, properties, operation, reuse_ll));
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}
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ALWAYS_INLINE Result KPageTableBase::Operate(PageLinkedList *page_list, KProcessAddress virt_addr, size_t num_pages, const KPageGroup &page_group, const KPageProperties properties, OperationType operation, bool reuse_ll) {
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R_RETURN(static_cast<KPageTable *>(this)->OperateImpl(page_list, virt_addr, num_pages, page_group, properties, operation, reuse_ll));
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}
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ALWAYS_INLINE void KPageTableBase::FinalizeUpdate(PageLinkedList *page_list) {
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static_cast<KPageTable *>(this)->FinalizeUpdateImpl(page_list);
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}
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} |