mirror of
https://github.com/Atmosphere-NX/Atmosphere
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97 lines
4.3 KiB
C++
97 lines
4.3 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 <mesosphere/kern_common.hpp>
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#include <mesosphere/kern_select_page_table_impl.hpp>
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#include <mesosphere/kern_k_light_lock.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_k_memory_layout.hpp>
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namespace ams::kern {
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class KPageTableBase {
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NON_COPYABLE(KPageTableBase);
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NON_MOVEABLE(KPageTableBase);
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protected:
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enum MemoryFillValue {
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MemoryFillValue_Zero = 0,
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MemoryFillValue_Stack = 'X',
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MemoryFillValue_Ipc = 'Y',
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MemoryFillValue_Heap = 'Z',
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};
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private:
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KProcessAddress address_space_start;
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KProcessAddress address_space_end;
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KProcessAddress heap_region_start;
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KProcessAddress heap_region_end;
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KProcessAddress current_heap_end;
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KProcessAddress alias_region_start;
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KProcessAddress alias_region_end;
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KProcessAddress stack_region_start;
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KProcessAddress stack_region_end;
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KProcessAddress kernel_map_region_start;
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KProcessAddress kernel_map_region_end;
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KProcessAddress alias_code_region_start;
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KProcessAddress alias_code_region_end;
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KProcessAddress code_region_start;
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KProcessAddress code_region_end;
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size_t max_heap_size;
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size_t max_physical_memory_size;
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mutable KLightLock general_lock;
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mutable KLightLock map_physical_memory_lock;
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KPageTableImpl impl;
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/* TODO KMemoryBlockManager memory_block_manager; */
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u32 allocate_option;
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u32 address_space_size;
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bool is_kernel;
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bool enable_aslr;
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KMemoryBlockSlabManager *memory_block_slab_manager;
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KBlockInfoManager *block_info_manager;
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KMemoryRegion *cached_physical_linear_region;
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KMemoryRegion *cached_physical_non_kernel_dram_region;
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KMemoryRegion *cached_virtual_managed_pool_dram_region;
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MemoryFillValue heap_fill_value;
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MemoryFillValue ipc_fill_value;
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MemoryFillValue stack_fill_value;
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public:
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constexpr KPageTableBase() :
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address_space_start(), address_space_end(), heap_region_start(), heap_region_end(), current_heap_end(),
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alias_region_start(), alias_region_end(), stack_region_start(), stack_region_end(), kernel_map_region_start(),
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kernel_map_region_end(), alias_code_region_start(), alias_code_region_end(), code_region_start(), code_region_end(),
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max_heap_size(), max_physical_memory_size(), general_lock(), map_physical_memory_lock(), impl(), /* TODO: memory_block_manager(), */
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allocate_option(), address_space_size(), is_kernel(), enable_aslr(), memory_block_slab_manager(), block_info_manager(),
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cached_physical_linear_region(), cached_physical_non_kernel_dram_region(), cached_virtual_managed_pool_dram_region(),
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heap_fill_value(), ipc_fill_value(), stack_fill_value()
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{
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/* ... */
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}
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NOINLINE Result InitializeForKernel(bool is_64_bit, void *table, KVirtualAddress start, KVirtualAddress end);
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void Finalize();
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public:
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static ALWAYS_INLINE KVirtualAddress GetLinearVirtualAddress(KPhysicalAddress addr) {
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return KMemoryLayout::GetLinearVirtualAddress(addr);
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}
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static ALWAYS_INLINE KPhysicalAddress GetLinearPhysicalAddress(KVirtualAddress addr) {
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return KMemoryLayout::GetLinearPhysicalAddress(addr);
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}
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};
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}
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