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kern: implement KResourceLimit

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This commit is contained in:
Michael Scire
2020-02-06 05:34:38 -08:00
parent 23f5d77f37
commit 1de607c183
17 changed files with 566 additions and 22 deletions
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23
libraries/libmesosphere/include/mesosphere/kern_k_memory_layout.hpp
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@@ -82,14 +82,19 @@ namespace ams::kern {
KMemoryRegionType_DramLinearMapped = KMemoryRegionType_Dram | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramReservedEarly = 0x16 | KMemoryRegionAttr_NoUserMap,
KMemoryRegionType_DramPoolPartition = 0x26 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramReservedEarly = 0x16 | KMemoryRegionAttr_NoUserMap,
KMemoryRegionType_DramPoolPartition = 0x26 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramMetadataPool = 0x166 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_CarveoutProtected,
KMemoryRegionType_DramNonKernel = 0x1A6 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramApplicationPool = 0x7A6 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramAppletPool = 0xBA6 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramSystemNonSecurePool = 0xDA6 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped,
KMemoryRegionType_DramSystemPool = 0x13A6 | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_CarveoutProtected,
KMemoryRegionType_DramKernel = 0xE | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_CarveoutProtected,
KMemoryRegionType_DramKernelCode = 0xCE | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_CarveoutProtected,
KMemoryRegionType_DramKernelSlab = 0x14E | KMemoryRegionAttr_NoUserMap | KMemoryRegionAttr_CarveoutProtected,
@@ -274,7 +279,6 @@ namespace ams::kern {
MESOSPHERE_INIT_ABORT();
}
DerivedRegionExtents GetDerivedRegionExtents(u32 type_id) {
DerivedRegionExtents extents;
@@ -462,6 +466,19 @@ namespace ams::kern {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionAttr_CarveoutProtected);
}
static NOINLINE std::tuple<size_t, size_t> GetTotalAndKernelMemorySizes() {
size_t total_size = 0, kernel_size = 0;
for (auto it = GetPhysicalMemoryRegionTree().cbegin(); it != GetPhysicalMemoryRegionTree().cend(); it++) {
if (it->IsDerivedFrom(KMemoryRegionType_Dram)) {
total_size += it->GetSize();
if (!it->IsDerivedFrom(KMemoryRegionType_DramNonKernel)) {
kernel_size += it->GetSize();
}
}
}
return std::make_tuple(total_size, kernel_size);
}
static void InitializeLinearMemoryRegionTrees(KPhysicalAddress aligned_linear_phys_start, KVirtualAddress linear_virtual_start);
};