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hle: kernel: Re-create memory layout at initialization.
- As this can only be derived once.
This commit is contained in:
bunnei
parent
16e5954fcb
commit
14d28a043d
@ -71,7 +71,7 @@ struct KernelCore::Impl {
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// Derive the initial memory layout from the emulated board
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Init::InitializeSlabResourceCounts(kernel);
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DeriveInitialMemoryLayout();
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Init::InitializeSlabHeaps(system, memory_layout);
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Init::InitializeSlabHeaps(system, *memory_layout);
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// Initialize kernel memory and resources.
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InitializeSystemResourceLimit(kernel, system.CoreTiming());
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@ -222,7 +222,7 @@ struct KernelCore::Impl {
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system_resource_limit = KResourceLimit::Create(system.Kernel());
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system_resource_limit->Initialize(&core_timing);
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const auto [total_size, kernel_size] = memory_layout.GetTotalAndKernelMemorySizes();
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const auto [total_size, kernel_size] = memory_layout->GetTotalAndKernelMemorySizes();
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// If setting the default system values fails, then something seriously wrong has occurred.
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ASSERT(system_resource_limit->SetLimitValue(LimitableResource::PhysicalMemory, total_size)
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@ -352,15 +352,17 @@ struct KernelCore::Impl {
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}
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void DeriveInitialMemoryLayout() {
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memory_layout = std::make_unique<KMemoryLayout>();
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// Insert the root region for the virtual memory tree, from which all other regions will
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// derive.
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memory_layout.GetVirtualMemoryRegionTree().InsertDirectly(
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memory_layout->GetVirtualMemoryRegionTree().InsertDirectly(
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KernelVirtualAddressSpaceBase,
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KernelVirtualAddressSpaceBase + KernelVirtualAddressSpaceSize - 1);
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// Insert the root region for the physical memory tree, from which all other regions will
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// derive.
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memory_layout.GetPhysicalMemoryRegionTree().InsertDirectly(
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memory_layout->GetPhysicalMemoryRegionTree().InsertDirectly(
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KernelPhysicalAddressSpaceBase,
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KernelPhysicalAddressSpaceBase + KernelPhysicalAddressSpaceSize - 1);
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@ -377,7 +379,7 @@ struct KernelCore::Impl {
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if (!(kernel_region_start + KernelRegionSize - 1 <= KernelVirtualAddressSpaceLast)) {
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kernel_region_size = KernelVirtualAddressSpaceEnd - kernel_region_start;
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}
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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kernel_region_start, kernel_region_size, KMemoryRegionType_Kernel));
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// Setup the code region.
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@ -386,11 +388,11 @@ struct KernelCore::Impl {
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Common::AlignDown(code_start_virt_addr, CodeRegionAlign);
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constexpr VAddr code_region_end = Common::AlignUp(code_end_virt_addr, CodeRegionAlign);
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constexpr size_t code_region_size = code_region_end - code_region_start;
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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code_region_start, code_region_size, KMemoryRegionType_KernelCode));
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// Setup board-specific device physical regions.
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Init::SetupDevicePhysicalMemoryRegions(memory_layout);
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Init::SetupDevicePhysicalMemoryRegions(*memory_layout);
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// Determine the amount of space needed for the misc region.
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size_t misc_region_needed_size;
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@ -399,7 +401,7 @@ struct KernelCore::Impl {
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misc_region_needed_size = Core::Hardware::NUM_CPU_CORES * (3 * (PageSize + PageSize));
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// Account for each auto-map device.
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for (const auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
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for (const auto& region : memory_layout->GetPhysicalMemoryRegionTree()) {
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if (region.HasTypeAttribute(KMemoryRegionAttr_ShouldKernelMap)) {
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// Check that the region is valid.
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ASSERT(region.GetEndAddress() != 0);
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@ -424,22 +426,22 @@ struct KernelCore::Impl {
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// Setup the misc region.
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const VAddr misc_region_start =
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memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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memory_layout->GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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misc_region_size, MiscRegionAlign, KMemoryRegionType_Kernel);
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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misc_region_start, misc_region_size, KMemoryRegionType_KernelMisc));
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// Setup the stack region.
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constexpr size_t StackRegionSize = 14_MiB;
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constexpr size_t StackRegionAlign = KernelAslrAlignment;
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const VAddr stack_region_start =
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memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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memory_layout->GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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StackRegionSize, StackRegionAlign, KMemoryRegionType_Kernel);
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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stack_region_start, StackRegionSize, KMemoryRegionType_KernelStack));
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// Determine the size of the resource region.
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const size_t resource_region_size = memory_layout.GetResourceRegionSizeForInit();
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const size_t resource_region_size = memory_layout->GetResourceRegionSizeForInit();
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// Determine the size of the slab region.
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const size_t slab_region_size =
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@ -456,23 +458,23 @@ struct KernelCore::Impl {
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Common::AlignUp(code_end_phys_addr + slab_region_size, SlabRegionAlign) -
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Common::AlignDown(code_end_phys_addr, SlabRegionAlign);
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const VAddr slab_region_start =
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memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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memory_layout->GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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slab_region_needed_size, SlabRegionAlign, KMemoryRegionType_Kernel) +
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(code_end_phys_addr % SlabRegionAlign);
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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slab_region_start, slab_region_size, KMemoryRegionType_KernelSlab));
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// Setup the temp region.
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constexpr size_t TempRegionSize = 128_MiB;
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constexpr size_t TempRegionAlign = KernelAslrAlignment;
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const VAddr temp_region_start =
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memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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memory_layout->GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
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TempRegionSize, TempRegionAlign, KMemoryRegionType_Kernel);
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(temp_region_start, TempRegionSize,
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KMemoryRegionType_KernelTemp));
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(temp_region_start, TempRegionSize,
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KMemoryRegionType_KernelTemp));
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// Automatically map in devices that have auto-map attributes.
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for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
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for (auto& region : memory_layout->GetPhysicalMemoryRegionTree()) {
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// We only care about kernel regions.
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if (!region.IsDerivedFrom(KMemoryRegionType_Kernel)) {
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continue;
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@ -499,21 +501,21 @@ struct KernelCore::Impl {
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const size_t map_size =
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Common::AlignUp(region.GetEndAddress(), PageSize) - map_phys_addr;
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const VAddr map_virt_addr =
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memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegionWithGuard(
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memory_layout->GetVirtualMemoryRegionTree().GetRandomAlignedRegionWithGuard(
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map_size, PageSize, KMemoryRegionType_KernelMisc, PageSize);
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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map_virt_addr, map_size, KMemoryRegionType_KernelMiscMappedDevice));
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region.SetPairAddress(map_virt_addr + region.GetAddress() - map_phys_addr);
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}
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Init::SetupDramPhysicalMemoryRegions(memory_layout);
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Init::SetupDramPhysicalMemoryRegions(*memory_layout);
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// Insert a physical region for the kernel code region.
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetPhysicalMemoryRegionTree().Insert(
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code_start_phys_addr, code_region_size, KMemoryRegionType_DramKernelCode));
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// Insert a physical region for the kernel slab region.
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetPhysicalMemoryRegionTree().Insert(
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slab_start_phys_addr, slab_region_size, KMemoryRegionType_DramKernelSlab));
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// Determine size available for kernel page table heaps, requiring > 8 MB.
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@ -522,12 +524,12 @@ struct KernelCore::Impl {
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ASSERT(page_table_heap_size / 4_MiB > 2);
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// Insert a physical region for the kernel page table heap region
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetPhysicalMemoryRegionTree().Insert(
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slab_end_phys_addr, page_table_heap_size, KMemoryRegionType_DramKernelPtHeap));
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// All DRAM regions that we haven't tagged by this point will be mapped under the linear
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// mapping. Tag them.
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for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
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for (auto& region : memory_layout->GetPhysicalMemoryRegionTree()) {
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if (region.GetType() == KMemoryRegionType_Dram) {
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// Check that the region is valid.
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ASSERT(region.GetEndAddress() != 0);
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@ -539,7 +541,7 @@ struct KernelCore::Impl {
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// Get the linear region extents.
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const auto linear_extents =
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memory_layout.GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
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memory_layout->GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
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KMemoryRegionAttr_LinearMapped);
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ASSERT(linear_extents.GetEndAddress() != 0);
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@ -551,7 +553,7 @@ struct KernelCore::Impl {
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Common::AlignUp(linear_extents.GetEndAddress(), LinearRegionAlign) -
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aligned_linear_phys_start;
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const VAddr linear_region_start =
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memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegionWithGuard(
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memory_layout->GetVirtualMemoryRegionTree().GetRandomAlignedRegionWithGuard(
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linear_region_size, LinearRegionAlign, KMemoryRegionType_None, LinearRegionAlign);
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const u64 linear_region_phys_to_virt_diff = linear_region_start - aligned_linear_phys_start;
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@ -560,7 +562,7 @@ struct KernelCore::Impl {
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{
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PAddr cur_phys_addr = 0;
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u64 cur_size = 0;
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for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
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for (auto& region : memory_layout->GetPhysicalMemoryRegionTree()) {
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if (!region.HasTypeAttribute(KMemoryRegionAttr_LinearMapped)) {
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continue;
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}
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@ -579,47 +581,47 @@ struct KernelCore::Impl {
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const VAddr region_virt_addr =
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region.GetAddress() + linear_region_phys_to_virt_diff;
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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region_virt_addr, region.GetSize(),
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GetTypeForVirtualLinearMapping(region.GetType())));
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region.SetPairAddress(region_virt_addr);
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KMemoryRegion* virt_region =
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memory_layout.GetVirtualMemoryRegionTree().FindModifiable(region_virt_addr);
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memory_layout->GetVirtualMemoryRegionTree().FindModifiable(region_virt_addr);
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ASSERT(virt_region != nullptr);
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virt_region->SetPairAddress(region.GetAddress());
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}
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}
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// Insert regions for the initial page table region.
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetPhysicalMemoryRegionTree().Insert(
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resource_end_phys_addr, KernelPageTableHeapSize, KMemoryRegionType_DramKernelInitPt));
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
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ASSERT(memory_layout->GetVirtualMemoryRegionTree().Insert(
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resource_end_phys_addr + linear_region_phys_to_virt_diff, KernelPageTableHeapSize,
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KMemoryRegionType_VirtualDramKernelInitPt));
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// All linear-mapped DRAM regions that we haven't tagged by this point will be allocated to
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// some pool partition. Tag them.
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for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
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for (auto& region : memory_layout->GetPhysicalMemoryRegionTree()) {
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if (region.GetType() == (KMemoryRegionType_Dram | KMemoryRegionAttr_LinearMapped)) {
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region.SetType(KMemoryRegionType_DramPoolPartition);
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}
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}
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// Setup all other memory regions needed to arrange the pool partitions.
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Init::SetupPoolPartitionMemoryRegions(memory_layout);
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Init::SetupPoolPartitionMemoryRegions(*memory_layout);
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// Cache all linear regions in their own trees for faster access, later.
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memory_layout.InitializeLinearMemoryRegionTrees(aligned_linear_phys_start,
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linear_region_start);
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memory_layout->InitializeLinearMemoryRegionTrees(aligned_linear_phys_start,
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linear_region_start);
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}
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void InitializeMemoryLayout() {
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const auto system_pool = memory_layout.GetKernelSystemPoolRegionPhysicalExtents();
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const auto system_pool = memory_layout->GetKernelSystemPoolRegionPhysicalExtents();
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// Initialize the memory manager.
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memory_manager = std::make_unique<KMemoryManager>(system);
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const auto& management_region = memory_layout.GetPoolManagementRegion();
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const auto& management_region = memory_layout->GetPoolManagementRegion();
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ASSERT(management_region.GetEndAddress() != 0);
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memory_manager->Initialize(management_region.GetAddress(), management_region.GetSize());
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@ -763,7 +765,7 @@ struct KernelCore::Impl {
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Kernel::KSharedMemory* time_shared_mem{};
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// Memory layout
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KMemoryLayout memory_layout;
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std::unique_ptr<KMemoryLayout> memory_layout;
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// Threads used for services
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std::unordered_set<std::shared_ptr<Kernel::ServiceThread>> service_threads;
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@ -1131,7 +1133,7 @@ const KWorkerTaskManager& KernelCore::WorkerTaskManager() const {
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}
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const KMemoryLayout& KernelCore::MemoryLayout() const {
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return impl->memory_layout;
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return *impl->memory_layout;
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}
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bool KernelCore::IsPhantomModeForSingleCore() const {
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