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kern: add stubbed KDevicePageTable implementation for systems without iommu
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parent
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commit
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4 changed files with 83 additions and 2 deletions
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/*
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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 <mesosphere/kern_common.hpp>
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#include <mesosphere/kern_k_page_group.hpp>
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#include <mesosphere/kern_k_memory_manager.hpp>
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#include <mesosphere/kern_select_page_table.hpp>
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namespace ams::kern::board::generic {
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using KDeviceVirtualAddress = u64;
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class KDevicePageTable {
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public:
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constexpr KDevicePageTable() { /* ... */ }
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Result ALWAYS_INLINE Initialize(u64 space_address, u64 space_size) { return ams::kern::svc::ResultNotImplemented(); }
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void ALWAYS_INLINE Finalize() { /* ... */ }
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Result ALWAYS_INLINE Attach(ams::svc::DeviceName device_name, u64 space_address, u64 space_size) { return ams::kern::svc::ResultNotImplemented(); }
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Result ALWAYS_INLINE Detach(ams::svc::DeviceName device_name) { return ams::kern::svc::ResultNotImplemented(); }
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Result ALWAYS_INLINE Map(size_t *out_mapped_size, const KPageGroup &pg, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool refresh_mappings) { return ams::kern::svc::ResultNotImplemented(); }
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Result ALWAYS_INLINE Unmap(const KPageGroup &pg, KDeviceVirtualAddress device_address) { return ams::kern::svc::ResultNotImplemented(); }
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public:
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static ALWAYS_INLINE void Initialize() { /* ... */ }
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static ALWAYS_INLINE void Lock() { /* ... */ }
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static ALWAYS_INLINE void Unlock() { /* ... */ }
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static ALWAYS_INLINE void Sleep() { /* ... */ }
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static ALWAYS_INLINE void Wakeup() { /* ... */ }
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};
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}
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@ -24,5 +24,10 @@
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}
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#else
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#error "Unknown board for KDevicePageTable"
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#include <mesosphere/board/generic/kern_k_device_page_table.hpp>
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namespace ams::kern {
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using ams::kern::board::generic::KDevicePageTable;
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}
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#endif
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/*
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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 <vapours/svc/svc_types_common.hpp>
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namespace ams::svc::board::generic {
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enum DeviceName {
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/* If there is no smmu, there are no device names. */
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DeviceName_Count = 0,
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};
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}
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@ -26,6 +26,9 @@
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#else
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#error "Unknown board for svc::DeviceName"
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#include <vapours/svc/board/generic/svc_device_name.hpp>
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namespace ams::svc {
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using namespace ams::svc::board::generic;
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}
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#endif
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