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kern: enforce end of dram == end of partitions (move our probably outdated KTraceBuffer to new location)

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This commit is contained in:
Michael Scire 2022-03-22 15:01:22 -07:00 committed by SciresM
parent 8cb3cfd835
commit 24739f245e
6 changed files with 29 additions and 31 deletions
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1
libraries/libmesosphere/include/mesosphere/kern_k_trace.hpp
View file

@ -28,6 +28,7 @@ namespace ams::kern {
constexpr inline size_t KTraceBufferSize = IsKTraceEnabled ? 16_MB : 0;
static_assert(IsKTraceEnabled || !IsKTraceEnabled);
static_assert((IsKTraceEnabled) ^ (KTraceBufferSize == 0));
class KTrace {
public:

21
libraries/libmesosphere/source/kern_k_memory_layout.board.nintendo_nx.cpp
View file

@ -104,13 +104,6 @@ namespace ams::kern {
/* Insert blocks into the tree. */
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), intended_memory_size, KMemoryRegionType_Dram));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), ReservedEarlyDramSize, KMemoryRegionType_DramReservedEarly));
/* Insert the KTrace block at the end of Dram, if KTrace is enabled. */
static_assert(!IsKTraceEnabled || KTraceBufferSize > 0);
if constexpr (IsKTraceEnabled) {
const KPhysicalAddress ktrace_buffer_phys_addr = physical_memory_base_address + intended_memory_size - KTraceBufferSize;
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(ktrace_buffer_phys_addr), KTraceBufferSize, KMemoryRegionType_KernelTraceBuffer));
}
}
void SetupPoolPartitionMemoryRegions() {
@ -118,8 +111,15 @@ namespace ams::kern {
const auto dram_extents = KMemoryLayout::GetMainMemoryPhysicalExtents();
MESOSPHERE_INIT_ABORT_UNLESS(dram_extents.GetEndAddress() != 0);
/* Find the pool partitions region. */
const KMemoryRegion *pool_partitions_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(KMemoryRegionType_DramPoolPartition, 0);
MESOSPHERE_INIT_ABORT_UNLESS(pool_partitions_region != nullptr);
const uintptr_t pool_partitions_start = pool_partitions_region->GetAddress();
/* Determine the end of the pool region. */
const uintptr_t pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
const uintptr_t pool_end = pool_partitions_region->GetEndAddress();
MESOSPHERE_INIT_ABORT_UNLESS(pool_end == dram_extents.GetEndAddress());
/* Find the start of the kernel DRAM region. */
const KMemoryRegion *kernel_dram_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_DramKernelBase);
@ -128,11 +128,6 @@ namespace ams::kern {
const uintptr_t kernel_dram_start = kernel_dram_region->GetAddress();
MESOSPHERE_INIT_ABORT_UNLESS(util::IsAligned(kernel_dram_start, CarveoutAlignment));
/* Find the start of the pool partitions region. */
const KMemoryRegion *pool_partitions_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(KMemoryRegionType_DramPoolPartition, 0);
MESOSPHERE_INIT_ABORT_UNLESS(pool_partitions_region != nullptr);
const uintptr_t pool_partitions_start = pool_partitions_region->GetAddress();
/* Setup the pool partition layouts. */
if (GetTargetFirmware() >= TargetFirmware_5_0_0) {
/* On 5.0.0+, setup modern 4-pool-partition layout. */

21
libraries/libmesosphere/source/kern_k_memory_layout.board.qemu_virt.cpp
View file

@ -52,13 +52,6 @@ namespace ams::kern {
/* Insert blocks into the tree. */
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), intended_memory_size, KMemoryRegionType_Dram));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), ReservedEarlyDramSize, KMemoryRegionType_DramReservedEarly));
/* Insert the KTrace block at the end of Dram, if KTrace is enabled. */
static_assert(!IsKTraceEnabled || KTraceBufferSize > 0);
if constexpr (IsKTraceEnabled) {
const KPhysicalAddress ktrace_buffer_phys_addr = physical_memory_base_address + intended_memory_size - KTraceBufferSize;
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(ktrace_buffer_phys_addr), KTraceBufferSize, KMemoryRegionType_KernelTraceBuffer));
}
}
void SetupPoolPartitionMemoryRegions() {
@ -66,18 +59,20 @@ namespace ams::kern {
const auto dram_extents = KMemoryLayout::GetMainMemoryPhysicalExtents();
MESOSPHERE_INIT_ABORT_UNLESS(dram_extents.GetEndAddress() != 0);
/* Find the pool partitions region. */
const KMemoryRegion *pool_partitions_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(KMemoryRegionType_DramPoolPartition, 0);
MESOSPHERE_INIT_ABORT_UNLESS(pool_partitions_region != nullptr);
const uintptr_t pool_partitions_start = pool_partitions_region->GetAddress();
/* Determine the end of the pool region. */
const uintptr_t pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
const uintptr_t pool_end = pool_partitions_region->GetEndAddress();
MESOSPHERE_INIT_ABORT_UNLESS(pool_end == dram_extents.GetEndAddress());
/* Find the start of the kernel DRAM region. */
const KMemoryRegion *kernel_dram_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_DramKernelBase);
MESOSPHERE_INIT_ABORT_UNLESS(kernel_dram_region != nullptr);
/* Find the start of the pool partitions region. */
const KMemoryRegion *pool_partitions_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(KMemoryRegionType_DramPoolPartition, 0);
MESOSPHERE_INIT_ABORT_UNLESS(pool_partitions_region != nullptr);
const uintptr_t pool_partitions_start = pool_partitions_region->GetAddress();
/* Setup the pool partition layouts. */
/* Get Application and Applet pool sizes. */
const size_t application_pool_size = KSystemControl::Init::GetApplicationPoolSize();

2
libraries/libmesosphere/source/kern_k_system_control_base.cpp
View file

@ -41,7 +41,7 @@ namespace ams::kern {
void KSystemControlBase::Init::GetInitialProcessBinaryLayout(InitialProcessBinaryLayout *out) {
*out = {
.address = GetInteger(KSystemControl::Init::GetKernelPhysicalBaseAddress(ams::kern::MainMemoryAddress)) + KSystemControl::Init::GetIntendedMemorySize() - KTraceBufferSize - InitialProcessBinarySizeMax,
.address = GetInteger(KSystemControl::Init::GetKernelPhysicalBaseAddress(ams::kern::MainMemoryAddress)) + KSystemControl::Init::GetIntendedMemorySize() - InitialProcessBinarySizeMax,
._08 = 0,
};
}

8
libraries/libmesosphere/source/kern_kernel.cpp
View file

@ -137,6 +137,10 @@ namespace ams::kern {
PrintMemoryRegion(" Slab", KMemoryLayout::GetKernelSlabRegionPhysicalExtents());
PrintMemoryRegion(" PageTableHeap", KMemoryLayout::GetKernelPageTableHeapRegionPhysicalExtents());
PrintMemoryRegion(" InitPageTable", KMemoryLayout::GetKernelInitPageTableRegionPhysicalExtents());
if constexpr (IsKTraceEnabled) {
MESOSPHERE_LOG(" DebugRegion\n");
PrintMemoryRegion(" Trace Buffer", KMemoryLayout::GetKernelTraceBufferRegionPhysicalExtents());
}
PrintMemoryRegion(" MemoryPoolRegion", KMemoryLayout::GetKernelPoolPartitionRegionPhysicalExtents());
if (GetTargetFirmware() >= TargetFirmware_5_0_0) {
PrintMemoryRegion(" Management", KMemoryLayout::GetKernelPoolManagementRegionPhysicalExtents());
@ -155,10 +159,6 @@ namespace ams::kern {
PrintMemoryRegion(" Secure", KMemoryLayout::GetKernelSystemPoolRegionPhysicalExtents());
PrintMemoryRegion(" Unsafe", KMemoryLayout::GetKernelApplicationPoolRegionPhysicalExtents());
}
if constexpr (IsKTraceEnabled) {
MESOSPHERE_LOG(" Debug\n");
PrintMemoryRegion(" Trace Buffer", KMemoryLayout::GetKernelTraceBufferRegionPhysicalExtents());
}
MESOSPHERE_LOG("\n");
}

7
mesosphere/kernel/source/arch/arm64/init/kern_init_core.cpp
View file

@ -513,6 +513,13 @@ namespace ams::kern::init {
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(resource_end_phys_addr), init_page_table_region_size, KMemoryRegionType_DramKernelInitPt));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetVirtualMemoryRegionTree().Insert(GetInteger(resource_end_phys_addr) + linear_region_phys_to_virt_diff, init_page_table_region_size, KMemoryRegionType_VirtualDramKernelInitPt));
/* Insert a physical region for the kernel trace buffer */
if constexpr (IsKTraceEnabled) {
const KPhysicalAddress ktrace_buffer_phys_addr = GetInteger(resource_end_phys_addr) + init_page_table_region_size;
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(ktrace_buffer_phys_addr), KTraceBufferSize, KMemoryRegionType_KernelTraceBuffer));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(ktrace_buffer_phys_addr) + linear_region_phys_to_virt_diff, KTraceBufferSize, GetTypeForVirtualLinearMapping(KMemoryRegionType_KernelTraceBuffer)));
}
/* All linear-mapped DRAM regions that we haven't tagged by this point will be allocated to some pool partition. Tag them. */
for (auto &region : KMemoryLayout::GetPhysicalMemoryRegionTree()) {
constexpr auto UntaggedLinearDram = util::FromUnderlying<KMemoryRegionType>(util::ToUnderlying<KMemoryRegionType>(KMemoryRegionType_Dram) | util::ToUnderlying(KMemoryRegionAttr_LinearMapped));