Atmosphere/libraries/libmesosphere/source/kern_k_page_table_base.cpp
2020-02-10 01:50:23 -08:00

71 lines
3.1 KiB
C++

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