kern: add stubbed KDevicePageTable implementation for systems without iommu

This commit is contained in:
fincs 2020-08-10 21:54:13 +02:00 committed by SciresM
parent 8e688de570
commit 68e29b56b6
4 changed files with 83 additions and 2 deletions

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@ -0,0 +1,47 @@
/*
* Copyright (c) 2018-2020 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>
#include <mesosphere/kern_k_page_group.hpp>
#include <mesosphere/kern_k_memory_manager.hpp>
#include <mesosphere/kern_select_page_table.hpp>
namespace ams::kern::board::generic {
using KDeviceVirtualAddress = u64;
class KDevicePageTable {
public:
constexpr KDevicePageTable() { /* ... */ }
Result ALWAYS_INLINE Initialize(u64 space_address, u64 space_size) { return ams::kern::svc::ResultNotImplemented(); }
void ALWAYS_INLINE Finalize() { /* ... */ }
Result ALWAYS_INLINE Attach(ams::svc::DeviceName device_name, u64 space_address, u64 space_size) { return ams::kern::svc::ResultNotImplemented(); }
Result ALWAYS_INLINE Detach(ams::svc::DeviceName device_name) { return ams::kern::svc::ResultNotImplemented(); }
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(); }
Result ALWAYS_INLINE Unmap(const KPageGroup &pg, KDeviceVirtualAddress device_address) { return ams::kern::svc::ResultNotImplemented(); }
public:
static ALWAYS_INLINE void Initialize() { /* ... */ }
static ALWAYS_INLINE void Lock() { /* ... */ }
static ALWAYS_INLINE void Unlock() { /* ... */ }
static ALWAYS_INLINE void Sleep() { /* ... */ }
static ALWAYS_INLINE void Wakeup() { /* ... */ }
};
}

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@ -24,5 +24,10 @@
} }
#else #else
#error "Unknown board for KDevicePageTable" #include <mesosphere/board/generic/kern_k_device_page_table.hpp>
namespace ams::kern {
using ams::kern::board::generic::KDevicePageTable;
}
#endif #endif

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/*
* Copyright (c) 2018-2020 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 <vapours/svc/svc_types_common.hpp>
namespace ams::svc::board::generic {
enum DeviceName {
/* If there is no smmu, there are no device names. */
DeviceName_Count = 0,
};
}

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@ -26,6 +26,9 @@
#else #else
#error "Unknown board for svc::DeviceName" #include <vapours/svc/board/generic/svc_device_name.hpp>
namespace ams::svc {
using namespace ams::svc::board::generic;
}
#endif #endif