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kern: print layout for debug during startup

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This commit is contained in:
Michael Scire 2020-02-09 01:16:13 -08:00
parent d8e94996ad
commit 1d65352167
4 changed files with 155 additions and 9 deletions
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88
libraries/libmesosphere/include/mesosphere/kern_k_memory_layout.hpp
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@ -416,6 +416,10 @@ namespace ams::kern {
static /* constinit */ inline KMemoryRegionTree s_physical_tree;
static /* constinit */ inline KMemoryRegionTree s_virtual_linear_tree;
static /* constinit */ inline KMemoryRegionTree s_physical_linear_tree;
private:
static ALWAYS_INLINE auto GetVirtualLinearExtents(const KMemoryRegionTree::DerivedRegionExtents physical) {
return KMemoryRegion(GetInteger(GetLinearVirtualAddress(physical.GetAddress())), physical.GetSize(), 0, KMemoryRegionType_None);
}
public:
static ALWAYS_INLINE KMemoryRegionAllocator &GetMemoryRegionAllocator() { return s_region_allocator; }
static ALWAYS_INLINE KMemoryRegionTree &GetVirtualMemoryRegionTree() { return s_virtual_tree; }
@ -479,10 +483,6 @@ namespace ams::kern {
return *GetVirtualLinearMemoryRegionTree().FindContainingRegion(GetInteger(address));
}
static NOINLINE auto GetCarveoutRegionExtents() {
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++) {
@ -497,6 +497,86 @@ namespace ams::kern {
}
static void InitializeLinearMemoryRegionTrees(KPhysicalAddress aligned_linear_phys_start, KVirtualAddress linear_virtual_start);
static NOINLINE auto GetKernelRegionExtents() {
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_Kernel);
}
static NOINLINE auto GetKernelCodeRegionExtents() {
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelCode);
}
static NOINLINE auto GetKernelStackRegionExtents() {
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelStack);
}
static NOINLINE auto GetKernelMiscRegionExtents() {
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelMisc);
}
static NOINLINE auto GetKernelSlabRegionExtents() {
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelSlab);
}
static NOINLINE const KMemoryRegion &GetCoreLocalRegion() {
return *GetVirtualMemoryRegionTree().FindFirstRegionByType(KMemoryRegionType_CoreLocal);
}
static NOINLINE auto GetLinearRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionAttr_LinearMapped);
}
static NOINLINE auto GetLinearRegionExtents() {
return GetVirtualLinearExtents(GetLinearRegionPhysicalExtents());
}
static NOINLINE auto GetCarveoutRegionExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionAttr_CarveoutProtected);
}
static NOINLINE auto GetKernelRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramKernel);
}
static NOINLINE auto GetKernelCodeRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramKernelCode);
}
static NOINLINE auto GetKernelSlabRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramKernelSlab);
}
static NOINLINE auto GetKernelPageTableHeapRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramKernelPtHeap);
}
static NOINLINE auto GetKernelInitPageTableRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramKernelInitPt);
}
static NOINLINE auto GetKernelPoolPartitionRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramPoolPartition);
}
static NOINLINE auto GetKernelMetadataPoolRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramMetadataPool);
}
static NOINLINE auto GetKernelSystemPoolRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramSystemPool);
}
static NOINLINE auto GetKernelSystemNonSecurePoolRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramSystemNonSecurePool);
}
static NOINLINE auto GetKernelAppletPoolRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramAppletPool);
}
static NOINLINE auto GetKernelApplicationPoolRegionPhysicalExtents() {
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_DramApplicationPool);
}
};

1
libraries/libmesosphere/include/mesosphere/kern_kernel.hpp
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@ -66,6 +66,7 @@ namespace ams::kern {
static NOINLINE void InitializeCoreLocalRegion(s32 core_id);
static NOINLINE void InitializeMainAndIdleThreads(s32 core_id);
static NOINLINE void InitializeResourceManagers(KVirtualAddress address, size_t size);
static NOINLINE void PrintLayout();
static ALWAYS_INLINE State GetState() { return s_state; }
static ALWAYS_INLINE void SetState(State state) { s_state = state; }

62
libraries/libmesosphere/source/kern_kernel.cpp
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@ -28,6 +28,26 @@ namespace ams::kern {
KMemoryBlockSlabManager Kernel::s_sys_memory_block_manager;
KBlockInfoManager Kernel::s_block_info_manager;
namespace {
template<typename T>
ALWAYS_INLINE void PrintMemoryRegion(const char *prefix, const T &extents) {
static_assert(std::is_same<decltype(extents.GetAddress()), uintptr_t>::value);
static_assert(std::is_same<decltype(extents.GetLastAddress()), uintptr_t>::value);
if constexpr (std::is_same<uintptr_t, unsigned int>::value) {
MESOSPHERE_LOG("%-24s0x%08x - 0x%08x\n", prefix, extents.GetAddress(), extents.GetLastAddress());
} else if constexpr (std::is_same<uintptr_t, unsigned long>::value) {
MESOSPHERE_LOG("%-24s0x%016lx - 0x%016lx\n", prefix, extents.GetAddress(), extents.GetLastAddress());
} else if constexpr (std::is_same<uintptr_t, unsigned long long>::value) {
MESOSPHERE_LOG("%-24s0x%016llx - 0x%016llx\n", prefix, extents.GetAddress(), extents.GetLastAddress());
} else {
static_assert(!std::is_same<T, T>::value, "Unknown uintptr_t width!");
}
}
}
void Kernel::InitializeCoreLocalRegion(s32 core_id) {
/* Construct the core local region object in place. */
KCoreLocalContext *clc = GetPointer<KCoreLocalContext>(KMemoryLayout::GetCoreLocalRegionAddress());
@ -100,4 +120,46 @@ namespace ams::kern {
s_page_table_manager.Initialize(address, pt_size, GetPointer<KPageTableManager::RefCount>(address + pt_size + fixed_size));
}
void Kernel::PrintLayout() {
/* Print out the kernel version. */
/* TODO: target firmware, if we support that? */
MESOSPHERE_LOG("Horizon Kernel (Mesosphere)\n");
MESOSPHERE_LOG("Atmosphere version: %d.%d.%d\n", ATMOSPHERE_RELEASE_VERSION);
MESOSPHERE_LOG("Supported OS version: %d.%d.%d\n", ATMOSPHERE_SUPPORTED_HOS_VERSION_MAJOR, ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR, ATMOSPHERE_SUPPORTED_HOS_VERSION_MICRO);
MESOSPHERE_LOG("\n");
/* Print relative memory usage. */
const auto [total, kernel] = KMemoryLayout::GetTotalAndKernelMemorySizes();
MESOSPHERE_LOG("Kernel Memory Usage: %zu/%zu MB\n", util::AlignUp(kernel, 1_MB) / 1_MB, util::AlignUp(total, 1_MB) / 1_MB);
MESOSPHERE_LOG("\n");
/* Print out important memory layout regions. */
MESOSPHERE_LOG("Virtual Memory Layout\n");
PrintMemoryRegion(" KernelRegion", KMemoryLayout::GetKernelRegionExtents());
PrintMemoryRegion(" Code", KMemoryLayout::GetKernelCodeRegionExtents());
PrintMemoryRegion(" Stack", KMemoryLayout::GetKernelStackRegionExtents());
PrintMemoryRegion(" Misc", KMemoryLayout::GetKernelMiscRegionExtents());
PrintMemoryRegion(" Slab", KMemoryLayout::GetKernelSlabRegionExtents());
PrintMemoryRegion(" CoreLocalRegion", KMemoryLayout::GetCoreLocalRegion());
PrintMemoryRegion(" LinearRegion", KMemoryLayout::GetLinearRegionExtents());
MESOSPHERE_LOG("\n");
MESOSPHERE_LOG("Physical Memory Layout\n");
PrintMemoryRegion(" LinearRegion", KMemoryLayout::GetLinearRegionPhysicalExtents());
PrintMemoryRegion(" CarveoutRegion", KMemoryLayout::GetCarveoutRegionExtents());
MESOSPHERE_LOG("\n");
PrintMemoryRegion(" KernelRegion", KMemoryLayout::GetKernelRegionPhysicalExtents());
PrintMemoryRegion(" Code", KMemoryLayout::GetKernelCodeRegionPhysicalExtents());
PrintMemoryRegion(" Slab", KMemoryLayout::GetKernelSlabRegionPhysicalExtents());
PrintMemoryRegion(" PageTableHeap", KMemoryLayout::GetKernelPageTableHeapRegionPhysicalExtents());
PrintMemoryRegion(" InitPageTable", KMemoryLayout::GetKernelInitPageTableRegionPhysicalExtents());
PrintMemoryRegion(" MemoryPoolRegion", KMemoryLayout::GetKernelPoolPartitionRegionPhysicalExtents());
PrintMemoryRegion(" System", KMemoryLayout::GetKernelSystemPoolRegionPhysicalExtents());
PrintMemoryRegion(" Internal", KMemoryLayout::GetKernelMetadataPoolRegionPhysicalExtents());
PrintMemoryRegion(" SystemUnsafe", KMemoryLayout::GetKernelSystemNonSecurePoolRegionPhysicalExtents());
PrintMemoryRegion(" Applet", KMemoryLayout::GetKernelAppletPoolRegionPhysicalExtents());
PrintMemoryRegion(" Application", KMemoryLayout::GetKernelApplicationPoolRegionPhysicalExtents());
MESOSPHERE_LOG("\n");
}
}

3
libraries/libmesosphere/source/kern_main.cpp
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@ -59,6 +59,9 @@ namespace ams::kern {
/* Copy the Initial Process Binary to safe memory. */
CopyInitialProcessBinaryToKernelMemory();
/* Print out information about the kernel. */
Kernel::PrintLayout();
/* Initialize the KObject Slab Heaps. */
init::InitializeSlabHeaps();