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kern: increase stack region size when thread resource limit is increased

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Michael Scire 2022-10-11 22:52:09 -07:00 • committed by SciresM
parent 7f2cbba543
commit ea82889e6c
4 changed files with 14 additions and 14 deletions
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17
mesosphere/kernel/source/arch/arm64/init/kern_init_core.cpp
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@ -34,12 +34,12 @@ namespace ams::kern::init {
namespace {
/* Global Allocator. */
KInitialPageAllocator g_initial_page_allocator;
constinit KInitialPageAllocator g_initial_page_allocator;
/* Global initial arguments array. */
KPhysicalAddress g_init_arguments_phys_addr[cpu::NumCores];
constinit KPhysicalAddress g_init_arguments_phys_addr[cpu::NumCores];
KInitArguments g_init_arguments[cpu::NumCores];
constinit KInitArguments g_init_arguments[cpu::NumCores];
/* Page table attributes. */
constexpr PageTableEntry KernelRoDataAttribute(PageTableEntry::Permission_KernelR, PageTableEntry::PageAttribute_NormalMemory, PageTableEntry::Shareable_InnerShareable, PageTableEntry::MappingFlag_Mapped);
@ -263,14 +263,17 @@ namespace ams::kern::init {
const KVirtualAddress misc_region_start = GetRandomAlignedRegion(misc_region_size, MiscRegionAlign, init_pt, KMemoryLayout::GetVirtualMemoryRegionTree(), KMemoryRegionType_Kernel);
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(misc_region_start), misc_region_size, KMemoryRegionType_KernelMisc));
/* Determine if we'll use extra thread resources. */
const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit();
/* Setup the stack region. */
constexpr size_t StackRegionSize = 14_MB;
const size_t stack_region_size = use_extra_resources ? 24_MB : 14_MB;
constexpr size_t StackRegionAlign = KernelAslrAlignment;
const KVirtualAddress stack_region_start = GetRandomAlignedRegion(StackRegionSize, StackRegionAlign, init_pt, KMemoryLayout::GetVirtualMemoryRegionTree(), KMemoryRegionType_Kernel);
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(stack_region_start), StackRegionSize, KMemoryRegionType_KernelStack));
const KVirtualAddress stack_region_start = GetRandomAlignedRegion(stack_region_size, StackRegionAlign, init_pt, KMemoryLayout::GetVirtualMemoryRegionTree(), KMemoryRegionType_Kernel);
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(stack_region_start), stack_region_size, KMemoryRegionType_KernelStack));
/* Determine the size of the resource region. */
const size_t resource_region_size = KMemoryLayout::GetResourceRegionSizeForInit();
const size_t resource_region_size = KMemoryLayout::GetResourceRegionSizeForInit(use_extra_resources);
/* Determine the size of the slab region. */
const size_t slab_region_size = util::AlignUp(CalculateTotalSlabHeapSize(), PageSize);