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kern: increase stack region size when thread resource limit is increased
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parent
7f2cbba543
commit
ea82889e6c
4 changed files with 14 additions and 14 deletions
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@ -187,7 +187,7 @@ namespace ams::kern {
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static void InitializeLinearMemoryRegionTrees();
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static size_t GetResourceRegionSizeForInit();
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static size_t GetResourceRegionSizeForInit(bool use_extra_resource);
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static MESOSPHERE_NOINLINE_IF_DEBUG auto GetKernelRegionExtents() { return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_Kernel); }
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static MESOSPHERE_NOINLINE_IF_DEBUG auto GetKernelCodeRegionExtents() { return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelCode); }
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@ -126,11 +126,8 @@ namespace ams::kern {
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}
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}
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size_t KMemoryLayout::GetResourceRegionSizeForInit() {
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/* Calculate resource region size based on whether we allow extra threads. */
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const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit();
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return KernelResourceSize + (use_extra_resources ? KernelSlabHeapAdditionalSize : 0);
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size_t KMemoryLayout::GetResourceRegionSizeForInit(bool use_extra_resource) {
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return KernelResourceSize + (use_extra_resource ? KernelSlabHeapAdditionalSize : 0);
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}
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}
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@ -34,12 +34,12 @@ namespace ams::kern::init {
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namespace {
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/* Global Allocator. */
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KInitialPageAllocator g_initial_page_allocator;
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constinit KInitialPageAllocator g_initial_page_allocator;
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/* Global initial arguments array. */
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KPhysicalAddress g_init_arguments_phys_addr[cpu::NumCores];
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constinit KPhysicalAddress g_init_arguments_phys_addr[cpu::NumCores];
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KInitArguments g_init_arguments[cpu::NumCores];
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constinit KInitArguments g_init_arguments[cpu::NumCores];
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/* Page table attributes. */
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constexpr PageTableEntry KernelRoDataAttribute(PageTableEntry::Permission_KernelR, PageTableEntry::PageAttribute_NormalMemory, PageTableEntry::Shareable_InnerShareable, PageTableEntry::MappingFlag_Mapped);
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@ -263,14 +263,17 @@ namespace ams::kern::init {
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const KVirtualAddress misc_region_start = GetRandomAlignedRegion(misc_region_size, MiscRegionAlign, init_pt, KMemoryLayout::GetVirtualMemoryRegionTree(), KMemoryRegionType_Kernel);
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MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(misc_region_start), misc_region_size, KMemoryRegionType_KernelMisc));
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/* Determine if we'll use extra thread resources. */
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const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit();
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/* Setup the stack region. */
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constexpr size_t StackRegionSize = 14_MB;
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const size_t stack_region_size = use_extra_resources ? 24_MB : 14_MB;
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constexpr size_t StackRegionAlign = KernelAslrAlignment;
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const KVirtualAddress stack_region_start = GetRandomAlignedRegion(StackRegionSize, StackRegionAlign, init_pt, KMemoryLayout::GetVirtualMemoryRegionTree(), KMemoryRegionType_Kernel);
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MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(stack_region_start), StackRegionSize, KMemoryRegionType_KernelStack));
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const KVirtualAddress stack_region_start = GetRandomAlignedRegion(stack_region_size, StackRegionAlign, init_pt, KMemoryLayout::GetVirtualMemoryRegionTree(), KMemoryRegionType_Kernel);
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MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(stack_region_start), stack_region_size, KMemoryRegionType_KernelStack));
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/* Determine the size of the resource region. */
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const size_t resource_region_size = KMemoryLayout::GetResourceRegionSizeForInit();
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const size_t resource_region_size = KMemoryLayout::GetResourceRegionSizeForInit(use_extra_resources);
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/* Determine the size of the slab region. */
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const size_t slab_region_size = util::AlignUp(CalculateTotalSlabHeapSize(), PageSize);
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@ -161,7 +161,7 @@ namespace ams::kern::init::loader {
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const uintptr_t init_array_end_offset = layout->init_array_end_offset;
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/* Determine the size of the resource region. */
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const size_t resource_region_size = KMemoryLayout::GetResourceRegionSizeForInit();
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const size_t resource_region_size = KMemoryLayout::GetResourceRegionSizeForInit(KSystemControl::Init::ShouldIncreaseThreadResourceLimit());
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const uintptr_t resource_end_address = base_address + resource_offset + resource_region_size;
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/* Setup the INI1 header in memory for the kernel. */
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