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Atmosphere/libraries/libmesosphere/include/mesosphere/kern_select_page_table.hpp
SciresM 96f95b9f95
Integrate new result macros. (#1780)
* 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
2022-02-14 14:45:32 -08:00

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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#if defined(ATMOSPHERE_ARCH_ARM64)
#include <mesosphere/arch/arm64/kern_k_page_table.hpp>
#include <mesosphere/arch/arm64/kern_k_supervisor_page_table.hpp>
#include <mesosphere/arch/arm64/kern_k_process_page_table.hpp>
namespace ams::kern {
using ams::kern::arch::arm64::KPageTable;
using ams::kern::arch::arm64::KSupervisorPageTable;
using ams::kern::arch::arm64::KProcessPageTable;
}
#else
#error "Unknown architecture for KPageTable"
#endif
namespace ams::kern {
/* NOTE: These three functions (Operate, Operate, FinalizeUpdate) are virtual functions */
/* in Nintendo's kernel. We devirtualize them, since KPageTable is the only derived */
/* class, and this avoids unnecessary virtual function calls. */
static_assert(std::derived_from<KPageTable, KPageTableBase>);
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) {
R_RETURN(static_cast<KPageTable *>(this)->OperateImpl(page_list, virt_addr, num_pages, phys_addr, is_pa_valid, properties, operation, reuse_ll));
}
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) {
R_RETURN(static_cast<KPageTable *>(this)->OperateImpl(page_list, virt_addr, num_pages, page_group, properties, operation, reuse_ll));
}
ALWAYS_INLINE void KPageTableBase::FinalizeUpdate(PageLinkedList *page_list) {
static_cast<KPageTable *>(this)->FinalizeUpdateImpl(page_list);
}
}