mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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71 lines
3.1 KiB
C++
71 lines
3.1 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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#include <mesosphere.hpp>
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#include <mesosphere/kern_select_page_table.hpp>
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namespace ams::kern {
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Result KPageTableBase::InitializeForKernel(bool is_64_bit, void *table, KVirtualAddress start, KVirtualAddress end) {
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/* Initialize our members. */
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this->address_space_size = (is_64_bit) ? BITSIZEOF(u64) : BITSIZEOF(u32);
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this->address_space_start = KProcessAddress(GetInteger(start));
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this->address_space_end = KProcessAddress(GetInteger(end));
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this->is_kernel = true;
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this->enable_aslr = true;
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this->heap_region_start = 0;
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this->heap_region_end = 0;
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this->current_heap_end = 0;
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this->alias_region_start = 0;
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this->alias_region_end = 0;
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this->stack_region_start = 0;
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this->stack_region_end = 0;
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this->kernel_map_region_start = 0;
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this->kernel_map_region_end = 0;
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this->alias_code_region_start = 0;
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this->alias_code_region_end = 0;
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this->code_region_start = 0;
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this->code_region_end = 0;
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this->max_heap_size = 0;
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this->max_physical_memory_size = 0;
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this->memory_block_slab_manager = std::addressof(Kernel::GetSystemMemoryBlockManager());
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this->block_info_manager = std::addressof(Kernel::GetBlockInfoManager());
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this->allocate_option = KMemoryManager::EncodeOption(KMemoryManager::Pool_System, KMemoryManager::Direction_FromFront);
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this->heap_fill_value = MemoryFillValue_Zero;
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this->ipc_fill_value = MemoryFillValue_Zero;
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this->stack_fill_value = MemoryFillValue_Zero;
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this->cached_physical_linear_region = nullptr;
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this->cached_physical_non_kernel_dram_region = nullptr;
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this->cached_virtual_managed_pool_dram_region = nullptr;
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/* Initialize our implementation. */
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this->impl.InitializeForKernel(table, start, end);
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/* Initialize our memory block manager. */
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return this->memory_block_manager.Initialize(this->address_space_start, this->address_space_end, this->memory_block_slab_manager);
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return ResultSuccess();
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}
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void KPageTableBase::Finalize() {
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this->memory_block_manager.Finalize(this->memory_block_slab_manager);
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MESOSPHERE_TODO("cpu::InvalidateEntireInstructionCache();");
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}
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}
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