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kern: reorder resource manager implementation

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Michael Scire 2025-04-30 20:37:42 -07:00 • committed by SciresM
parent 86e4bed056
commit 96d4546498
1 changed files with 23 additions and 21 deletions
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44
libraries/libmesosphere/source/kern_kernel.cpp
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@ -74,43 +74,45 @@ namespace ams::kern {
MESOSPHERE_ABORT_UNLESS(rc_size < size); MESOSPHERE_ABORT_UNLESS(rc_size < size);
size -= rc_size; size -= rc_size;
/* Determine dynamic page managers. */
KDynamicPageManager * const app_dynamic_page_manager = nullptr;
KDynamicPageManager * const sys_dynamic_page_manager = KTargetSystem::IsDynamicResourceLimitsEnabled() ? std::addressof(g_resource_manager_page_manager) : nullptr;
/* Initialize the resource managers' shared page manager. */ /* Initialize the resource managers' shared page manager. */
g_resource_manager_page_manager.Initialize(address, size, std::max<size_t>(PageSize, KPageBufferSlabHeap::BufferSize)); g_resource_manager_page_manager.Initialize(address, size, std::max<size_t>(PageSize, KPageBufferSlabHeap::BufferSize));
/* Initialize the KPageBuffer slab heap. */ /* Initialize the KPageBuffer slab heap. */
KPageBuffer::InitializeSlabHeap(g_resource_manager_page_manager); KPageBuffer::InitializeSlabHeap(g_resource_manager_page_manager);
/* Initialize the fixed-size slabheaps. */ /* Initialize the block info heap. */
s_app_memory_block_heap.Initialize(std::addressof(g_resource_manager_page_manager), ApplicationMemoryBlockSlabHeapSize);
s_sys_memory_block_heap.Initialize(std::addressof(g_resource_manager_page_manager), SystemMemoryBlockSlabHeapSize);
s_block_info_heap.Initialize(std::addressof(g_resource_manager_page_manager), BlockInfoSlabHeapSize); s_block_info_heap.Initialize(std::addressof(g_resource_manager_page_manager), BlockInfoSlabHeapSize);
/* Initialize the system slab managers. */
s_sys_block_info_manager.Initialize(sys_dynamic_page_manager, std::addressof(s_block_info_heap));
s_sys_memory_block_heap.Initialize(std::addressof(g_resource_manager_page_manager), SystemMemoryBlockSlabHeapSize);
s_sys_memory_block_manager.Initialize(sys_dynamic_page_manager, std::addressof(s_sys_memory_block_heap));
/* Initialize the application slab managers. */
s_app_block_info_manager.Initialize(app_dynamic_page_manager, std::addressof(s_block_info_heap));
s_app_memory_block_heap.Initialize(std::addressof(g_resource_manager_page_manager), ApplicationMemoryBlockSlabHeapSize);
s_app_memory_block_manager.Initialize(app_dynamic_page_manager, std::addressof(s_app_memory_block_heap));
/* Reserve all but a fixed number of remaining pages for the page table heap. */ /* Reserve all but a fixed number of remaining pages for the page table heap. */
const size_t num_pt_pages = g_resource_manager_page_manager.GetCount() - g_resource_manager_page_manager.GetUsed() - ReservedDynamicPageCount; const size_t num_pt_pages = g_resource_manager_page_manager.GetCount() - g_resource_manager_page_manager.GetUsed() - ReservedDynamicPageCount;
s_page_table_heap.Initialize(std::addressof(g_resource_manager_page_manager), num_pt_pages, GetPointer<KPageTableManager::RefCount>(address + size)); s_page_table_heap.Initialize(std::addressof(g_resource_manager_page_manager), num_pt_pages, GetPointer<KPageTableManager::RefCount>(address + size));
/* Setup the slab managers. */ /* Create and initialize the system system resource. */
KDynamicPageManager * const app_dynamic_page_manager = nullptr;
KDynamicPageManager * const sys_dynamic_page_manager = KTargetSystem::IsDynamicResourceLimitsEnabled() ? std::addressof(g_resource_manager_page_manager) : nullptr;
s_app_memory_block_manager.Initialize(app_dynamic_page_manager, std::addressof(s_app_memory_block_heap));
s_sys_memory_block_manager.Initialize(sys_dynamic_page_manager, std::addressof(s_sys_memory_block_heap));
s_app_block_info_manager.Initialize(app_dynamic_page_manager, std::addressof(s_block_info_heap));
s_sys_block_info_manager.Initialize(sys_dynamic_page_manager, std::addressof(s_block_info_heap));
s_app_page_table_manager.Initialize(app_dynamic_page_manager, std::addressof(s_page_table_heap));
s_sys_page_table_manager.Initialize(sys_dynamic_page_manager, std::addressof(s_page_table_heap)); s_sys_page_table_manager.Initialize(sys_dynamic_page_manager, std::addressof(s_page_table_heap));
KAutoObject::Create<KSystemResource>(std::addressof(s_sys_system_resource));
s_sys_system_resource.SetManagers(s_sys_memory_block_manager, s_sys_block_info_manager, s_sys_page_table_manager);
/* Create and initialize the application system resource. */
s_app_page_table_manager.Initialize(app_dynamic_page_manager, std::addressof(s_page_table_heap));
KAutoObject::Create<KSystemResource>(std::addressof(s_app_system_resource));
s_app_system_resource.SetManagers(s_app_memory_block_manager, s_app_block_info_manager, s_app_page_table_manager);
/* Check that we have the correct number of dynamic pages available. */ /* Check that we have the correct number of dynamic pages available. */
MESOSPHERE_ABORT_UNLESS(g_resource_manager_page_manager.GetCount() - g_resource_manager_page_manager.GetUsed() == ReservedDynamicPageCount); MESOSPHERE_ABORT_UNLESS(g_resource_manager_page_manager.GetCount() - g_resource_manager_page_manager.GetUsed() == ReservedDynamicPageCount);
/* Create the system page table managers. */
KAutoObject::Create<KSystemResource>(std::addressof(s_app_system_resource));
KAutoObject::Create<KSystemResource>(std::addressof(s_sys_system_resource));
/* Set the managers for the system resources. */
s_app_system_resource.SetManagers(s_app_memory_block_manager, s_app_block_info_manager, s_app_page_table_manager);
s_sys_system_resource.SetManagers(s_sys_memory_block_manager, s_sys_block_info_manager, s_sys_page_table_manager);
} }
void Kernel::PrintLayout() { void Kernel::PrintLayout() {