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kern: support dynamic resource expansion for system heaps/events/sessions.

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This commit is contained in:
Michael Scire 2021-09-17 22:01:58 -07:00 • committed by SciresM
parent 2b91956051
commit 2c4bd44d7e
37 changed files with 856 additions and 328 deletions
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23
libraries/libmesosphere/source/kern_k_process.cpp
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@ -260,8 +260,8 @@ namespace ams::kern {
const bool enable_das_merge = (params.flags & ams::svc::CreateProcessFlag_DisableDeviceAddressSpaceMerge) == 0;
const bool is_app = (params.flags & ams::svc::CreateProcessFlag_IsApplication) != 0;
auto *mem_block_manager = std::addressof(is_app ? Kernel::GetApplicationMemoryBlockManager() : Kernel::GetSystemMemoryBlockManager());
auto *block_info_manager = std::addressof(Kernel::GetBlockInfoManager());
auto *pt_manager = std::addressof(Kernel::GetPageTableManager());
auto *block_info_manager = std::addressof(is_app ? Kernel::GetApplicationBlockInfoManager() : Kernel::GetSystemBlockInfoManager());
auto *pt_manager = std::addressof(is_app ? Kernel::GetApplicationPageTableManager() : Kernel::GetSystemPageTableManager());
R_TRY(m_page_table.Initialize(m_process_id, as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address, params.code_num_pages * PageSize, mem_block_manager, block_info_manager, pt_manager, res_limit));
}
auto pt_guard = SCOPE_GUARD { m_page_table.Finalize(); };
@ -326,12 +326,17 @@ namespace ams::kern {
MESOSPHERE_ASSERT(m_system_resource_address != Null<KVirtualAddress>);
m_system_resource_num_pages = system_resource_num_pages;
/* Initialize managers. */
const size_t rc_size = util::AlignUp(KPageTableManager::CalculateReferenceCountSize(system_resource_size), PageSize);
/* Initialize slab heaps. */
const size_t rc_size = util::AlignUp(KPageTableSlabHeap::CalculateReferenceCountSize(system_resource_size), PageSize);
m_dynamic_page_manager.Initialize(m_system_resource_address + rc_size, system_resource_size - rc_size);
m_page_table_manager.Initialize(std::addressof(m_dynamic_page_manager), GetPointer<KPageTableManager::RefCount>(m_system_resource_address));
m_memory_block_slab_manager.Initialize(std::addressof(m_dynamic_page_manager));
m_block_info_manager.Initialize(std::addressof(m_dynamic_page_manager));
m_page_table_heap.Initialize(std::addressof(m_dynamic_page_manager), 0, GetPointer<KPageTableManager::RefCount>(m_system_resource_address));
m_memory_block_heap.Initialize(std::addressof(m_dynamic_page_manager), 0);
m_block_info_heap.Initialize(std::addressof(m_dynamic_page_manager), 0);
/* Initialize managers. */
m_page_table_manager.Initialize(std::addressof(m_dynamic_page_manager), std::addressof(m_page_table_heap));
m_memory_block_slab_manager.Initialize(std::addressof(m_dynamic_page_manager), std::addressof(m_memory_block_heap));
m_block_info_manager.Initialize(std::addressof(m_dynamic_page_manager), std::addressof(m_block_info_heap));
mem_block_manager = std::addressof(m_memory_block_slab_manager);
block_info_manager = std::addressof(m_block_info_manager);
@ -339,8 +344,8 @@ namespace ams::kern {
} else {
const bool is_app = (params.flags & ams::svc::CreateProcessFlag_IsApplication);
mem_block_manager = std::addressof(is_app ? Kernel::GetApplicationMemoryBlockManager() : Kernel::GetSystemMemoryBlockManager());
block_info_manager = std::addressof(Kernel::GetBlockInfoManager());
pt_manager = std::addressof(Kernel::GetPageTableManager());
block_info_manager = std::addressof(is_app ? Kernel::GetApplicationBlockInfoManager() : Kernel::GetSystemBlockInfoManager());
pt_manager = std::addressof(is_app ? Kernel::GetApplicationPageTableManager() : Kernel::GetSystemPageTableManager());
}
/* Ensure we don't leak any secure memory we allocated. */