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hle: kernel: k_memory_layout: Derive memory regions based on board layout.
This commit is contained in:
parent
8d0ba7ee49
commit
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6 changed files with 1032 additions and 55 deletions
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@ -172,6 +172,8 @@ add_library(core STATIC
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hle/kernel/k_memory_block.h
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hle/kernel/k_memory_block.h
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hle/kernel/k_memory_block_manager.cpp
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hle/kernel/k_memory_block_manager.cpp
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hle/kernel/k_memory_block_manager.h
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hle/kernel/k_memory_block_manager.h
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hle/kernel/k_memory_layout.cpp
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hle/kernel/k_memory_layout.board.nintendo_nx.cpp
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hle/kernel/k_memory_layout.h
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hle/kernel/k_memory_layout.h
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hle/kernel/k_memory_manager.cpp
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hle/kernel/k_memory_manager.cpp
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hle/kernel/k_memory_manager.h
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hle/kernel/k_memory_manager.h
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199
src/core/hle/kernel/k_memory_layout.board.nintendo_nx.cpp
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199
src/core/hle/kernel/k_memory_layout.board.nintendo_nx.cpp
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@ -0,0 +1,199 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/alignment.h"
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#include "core/hle/kernel/k_memory_layout.h"
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#include "core/hle/kernel/k_memory_manager.h"
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#include "core/hle/kernel/k_system_control.h"
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#include "core/hle/kernel/k_trace.h"
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namespace Kernel {
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namespace {
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constexpr size_t CarveoutAlignment = 0x20000;
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constexpr size_t CarveoutSizeMax = (512ULL * 1024 * 1024) - CarveoutAlignment;
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bool SetupPowerManagementControllerMemoryRegion(KMemoryLayout& memory_layout) {
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// Above firmware 2.0.0, the PMC is not mappable.
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return memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x7000E000, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap) &&
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memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x7000E400, 0xC00,
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KMemoryRegionType_PowerManagementController | KMemoryRegionAttr_NoUserMap);
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}
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void InsertPoolPartitionRegionIntoBothTrees(KMemoryLayout& memory_layout, size_t start, size_t size,
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KMemoryRegionType phys_type,
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KMemoryRegionType virt_type, u32& cur_attr) {
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const u32 attr = cur_attr++;
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(start, size,
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static_cast<u32>(phys_type), attr));
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const KMemoryRegion* phys = memory_layout.GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(
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static_cast<u32>(phys_type), attr);
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ASSERT(phys != nullptr);
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ASSERT(phys->GetEndAddress() != 0);
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ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(phys->GetPairAddress(), size,
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static_cast<u32>(virt_type), attr));
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}
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} // namespace
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namespace Init {
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void SetupDevicePhysicalMemoryRegions(KMemoryLayout& memory_layout) {
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ASSERT(SetupPowerManagementControllerMemoryRegion(memory_layout));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x70019000, 0x1000, KMemoryRegionType_MemoryController | KMemoryRegionAttr_NoUserMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x7001C000, 0x1000, KMemoryRegionType_MemoryController0 | KMemoryRegionAttr_NoUserMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x7001D000, 0x1000, KMemoryRegionType_MemoryController1 | KMemoryRegionAttr_NoUserMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x50040000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x50041000, 0x1000,
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KMemoryRegionType_InterruptDistributor | KMemoryRegionAttr_ShouldKernelMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x50042000, 0x1000,
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KMemoryRegionType_InterruptCpuInterface | KMemoryRegionAttr_ShouldKernelMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x50043000, 0x1D000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
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// Map IRAM unconditionally, to support debug-logging-to-iram build config.
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x40000000, 0x40000, KMemoryRegionType_LegacyLpsIram | KMemoryRegionAttr_ShouldKernelMap));
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// Above firmware 2.0.0, prevent mapping the bpmp exception vectors or the ipatch region.
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x6000F000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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0x6001DC00, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
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}
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void SetupDramPhysicalMemoryRegions(KMemoryLayout& memory_layout) {
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const size_t intended_memory_size = KSystemControl::Init::GetIntendedMemorySize();
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const PAddr physical_memory_base_address =
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KSystemControl::Init::GetKernelPhysicalBaseAddress(DramPhysicalAddress);
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// Insert blocks into the tree.
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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physical_memory_base_address, intended_memory_size, KMemoryRegionType_Dram));
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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physical_memory_base_address, ReservedEarlyDramSize, KMemoryRegionType_DramReservedEarly));
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// Insert the KTrace block at the end of Dram, if KTrace is enabled.
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static_assert(!IsKTraceEnabled || KTraceBufferSize > 0);
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if constexpr (IsKTraceEnabled) {
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const PAddr ktrace_buffer_phys_addr =
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physical_memory_base_address + intended_memory_size - KTraceBufferSize;
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ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
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ktrace_buffer_phys_addr, KTraceBufferSize, KMemoryRegionType_KernelTraceBuffer));
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}
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}
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void SetupPoolPartitionMemoryRegions(KMemoryLayout& memory_layout) {
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// Start by identifying the extents of the DRAM memory region.
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const auto dram_extents = memory_layout.GetMainMemoryPhysicalExtents();
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ASSERT(dram_extents.GetEndAddress() != 0);
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// Determine the end of the pool region.
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const u64 pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
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// Find the start of the kernel DRAM region.
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const KMemoryRegion* kernel_dram_region =
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memory_layout.GetPhysicalMemoryRegionTree().FindFirstDerived(
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KMemoryRegionType_DramKernelBase);
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ASSERT(kernel_dram_region != nullptr);
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const u64 kernel_dram_start = kernel_dram_region->GetAddress();
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ASSERT(Common::IsAligned(kernel_dram_start, CarveoutAlignment));
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// Find the start of the pool partitions region.
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const KMemoryRegion* pool_partitions_region =
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memory_layout.GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(
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KMemoryRegionType_DramPoolPartition, 0);
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ASSERT(pool_partitions_region != nullptr);
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const u64 pool_partitions_start = pool_partitions_region->GetAddress();
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// Setup the pool partition layouts.
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// On 5.0.0+, setup modern 4-pool-partition layout.
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// Get Application and Applet pool sizes.
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const size_t application_pool_size = KSystemControl::Init::GetApplicationPoolSize();
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const size_t applet_pool_size = KSystemControl::Init::GetAppletPoolSize();
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const size_t unsafe_system_pool_min_size =
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KSystemControl::Init::GetMinimumNonSecureSystemPoolSize();
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// Decide on starting addresses for our pools.
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const u64 application_pool_start = pool_end - application_pool_size;
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const u64 applet_pool_start = application_pool_start - applet_pool_size;
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const u64 unsafe_system_pool_start = std::min(
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kernel_dram_start + CarveoutSizeMax,
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Common::AlignDown(applet_pool_start - unsafe_system_pool_min_size, CarveoutAlignment));
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const size_t unsafe_system_pool_size = applet_pool_start - unsafe_system_pool_start;
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// We want to arrange application pool depending on where the middle of dram is.
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const u64 dram_midpoint = (dram_extents.GetAddress() + dram_extents.GetEndAddress()) / 2;
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u32 cur_pool_attr = 0;
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size_t total_overhead_size = 0;
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if (dram_extents.GetEndAddress() <= dram_midpoint || dram_midpoint <= application_pool_start) {
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InsertPoolPartitionRegionIntoBothTrees(
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memory_layout, application_pool_start, application_pool_size,
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KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
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cur_pool_attr);
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total_overhead_size +=
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KMemoryManager::CalculateManagementOverheadSize(application_pool_size);
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} else {
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const size_t first_application_pool_size = dram_midpoint - application_pool_start;
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const size_t second_application_pool_size =
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application_pool_start + application_pool_size - dram_midpoint;
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InsertPoolPartitionRegionIntoBothTrees(
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memory_layout, application_pool_start, first_application_pool_size,
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KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
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cur_pool_attr);
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InsertPoolPartitionRegionIntoBothTrees(
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memory_layout, dram_midpoint, second_application_pool_size,
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KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
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cur_pool_attr);
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total_overhead_size +=
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KMemoryManager::CalculateManagementOverheadSize(first_application_pool_size);
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total_overhead_size +=
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KMemoryManager::CalculateManagementOverheadSize(second_application_pool_size);
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}
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// Insert the applet pool.
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InsertPoolPartitionRegionIntoBothTrees(memory_layout, applet_pool_start, applet_pool_size,
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KMemoryRegionType_DramAppletPool,
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KMemoryRegionType_VirtualDramAppletPool, cur_pool_attr);
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total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(applet_pool_size);
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// Insert the nonsecure system pool.
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InsertPoolPartitionRegionIntoBothTrees(
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memory_layout, unsafe_system_pool_start, unsafe_system_pool_size,
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KMemoryRegionType_DramSystemNonSecurePool, KMemoryRegionType_VirtualDramSystemNonSecurePool,
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cur_pool_attr);
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total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(unsafe_system_pool_size);
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// Insert the pool management region.
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total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(
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(unsafe_system_pool_start - pool_partitions_start) - total_overhead_size);
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const u64 pool_management_start = unsafe_system_pool_start - total_overhead_size;
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const size_t pool_management_size = total_overhead_size;
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u32 pool_management_attr = 0;
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InsertPoolPartitionRegionIntoBothTrees(
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memory_layout, pool_management_start, pool_management_size,
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KMemoryRegionType_DramPoolManagement, KMemoryRegionType_VirtualDramPoolManagement,
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pool_management_attr);
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// Insert the system pool.
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const u64 system_pool_size = pool_management_start - pool_partitions_start;
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InsertPoolPartitionRegionIntoBothTrees(memory_layout, pool_partitions_start, system_pool_size,
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KMemoryRegionType_DramSystemPool,
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KMemoryRegionType_VirtualDramSystemPool, cur_pool_attr);
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}
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} // namespace Init
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} // namespace Kernel
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183
src/core/hle/kernel/k_memory_layout.cpp
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183
src/core/hle/kernel/k_memory_layout.cpp
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@ -0,0 +1,183 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/alignment.h"
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#include "core/hle/kernel/k_memory_layout.h"
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#include "core/hle/kernel/k_system_control.h"
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namespace Kernel {
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namespace {
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class KMemoryRegionAllocator final : NonCopyable {
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public:
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static constexpr size_t MaxMemoryRegions = 200;
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private:
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KMemoryRegion region_heap[MaxMemoryRegions]{};
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size_t num_regions{};
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public:
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constexpr KMemoryRegionAllocator() = default;
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public:
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template <typename... Args>
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KMemoryRegion* Allocate(Args&&... args) {
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// Ensure we stay within the bounds of our heap.
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ASSERT(this->num_regions < MaxMemoryRegions);
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// Create the new region.
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KMemoryRegion* region = std::addressof(this->region_heap[this->num_regions++]);
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new (region) KMemoryRegion(std::forward<Args>(args)...);
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return region;
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}
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};
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KMemoryRegionAllocator g_memory_region_allocator;
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template <typename... Args>
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KMemoryRegion* AllocateRegion(Args&&... args) {
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return g_memory_region_allocator.Allocate(std::forward<Args>(args)...);
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}
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} // namespace
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void KMemoryRegionTree::InsertDirectly(u64 address, u64 last_address, u32 attr, u32 type_id) {
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this->insert(*AllocateRegion(address, last_address, attr, type_id));
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}
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bool KMemoryRegionTree::Insert(u64 address, size_t size, u32 type_id, u32 new_attr, u32 old_attr) {
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// Locate the memory region that contains the address.
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KMemoryRegion* found = this->FindModifiable(address);
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// We require that the old attr is correct.
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if (found->GetAttributes() != old_attr) {
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return false;
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}
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// We further require that the region can be split from the old region.
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const u64 inserted_region_end = address + size;
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const u64 inserted_region_last = inserted_region_end - 1;
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if (found->GetLastAddress() < inserted_region_last) {
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return false;
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}
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// Further, we require that the type id is a valid transformation.
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if (!found->CanDerive(type_id)) {
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return false;
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}
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// Cache information from the region before we remove it.
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const u64 old_address = found->GetAddress();
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const u64 old_last = found->GetLastAddress();
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const u64 old_pair = found->GetPairAddress();
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const u32 old_type = found->GetType();
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// Erase the existing region from the tree.
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this->erase(this->iterator_to(*found));
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// Insert the new region into the tree.
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if (old_address == address) {
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// Reuse the old object for the new region, if we can.
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found->Reset(address, inserted_region_last, old_pair, new_attr, type_id);
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this->insert(*found);
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} else {
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// If we can't re-use, adjust the old region.
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found->Reset(old_address, address - 1, old_pair, old_attr, old_type);
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this->insert(*found);
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// Insert a new region for the split.
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const u64 new_pair = (old_pair != std::numeric_limits<u64>::max())
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? old_pair + (address - old_address)
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: old_pair;
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this->insert(*AllocateRegion(address, inserted_region_last, new_pair, new_attr, type_id));
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}
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// If we need to insert a region after the region, do so.
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if (old_last != inserted_region_last) {
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const u64 after_pair = (old_pair != std::numeric_limits<u64>::max())
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? old_pair + (inserted_region_end - old_address)
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: old_pair;
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this->insert(
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*AllocateRegion(inserted_region_end, old_last, after_pair, old_attr, old_type));
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}
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return true;
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}
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VAddr KMemoryRegionTree::GetRandomAlignedRegion(size_t size, size_t alignment, u32 type_id) {
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// We want to find the total extents of the type id.
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const auto extents = this->GetDerivedRegionExtents(static_cast<KMemoryRegionType>(type_id));
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// Ensure that our alignment is correct.
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ASSERT(Common::IsAligned(extents.GetAddress(), alignment));
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const u64 first_address = extents.GetAddress();
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const u64 last_address = extents.GetLastAddress();
|
||||||
|
|
||||||
|
const u64 first_index = first_address / alignment;
|
||||||
|
const u64 last_index = last_address / alignment;
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
const u64 candidate =
|
||||||
|
KSystemControl::GenerateRandomRange(first_index, last_index) * alignment;
|
||||||
|
|
||||||
|
// Ensure that the candidate doesn't overflow with the size.
|
||||||
|
if (!(candidate < candidate + size)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
const u64 candidate_last = candidate + size - 1;
|
||||||
|
|
||||||
|
// Ensure that the candidate fits within the region.
|
||||||
|
if (candidate_last > last_address) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Locate the candidate region, and ensure it fits and has the correct type id.
|
||||||
|
if (const auto& candidate_region = *this->Find(candidate);
|
||||||
|
!(candidate_last <= candidate_region.GetLastAddress() &&
|
||||||
|
candidate_region.GetType() == type_id)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
return candidate;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void KMemoryLayout::InitializeLinearMemoryRegionTrees(PAddr aligned_linear_phys_start,
|
||||||
|
VAddr linear_virtual_start) {
|
||||||
|
// Set static differences.
|
||||||
|
linear_phys_to_virt_diff = linear_virtual_start - aligned_linear_phys_start;
|
||||||
|
linear_virt_to_phys_diff = aligned_linear_phys_start - linear_virtual_start;
|
||||||
|
|
||||||
|
// Initialize linear trees.
|
||||||
|
for (auto& region : GetPhysicalMemoryRegionTree()) {
|
||||||
|
if (region.HasTypeAttribute(KMemoryRegionAttr_LinearMapped)) {
|
||||||
|
GetPhysicalLinearMemoryRegionTree().InsertDirectly(
|
||||||
|
region.GetAddress(), region.GetLastAddress(), region.GetAttributes(),
|
||||||
|
region.GetType());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
for (auto& region : GetVirtualMemoryRegionTree()) {
|
||||||
|
if (region.IsDerivedFrom(KMemoryRegionType_Dram)) {
|
||||||
|
GetVirtualLinearMemoryRegionTree().InsertDirectly(
|
||||||
|
region.GetAddress(), region.GetLastAddress(), region.GetAttributes(),
|
||||||
|
region.GetType());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
size_t KMemoryLayout::GetResourceRegionSizeForInit() {
|
||||||
|
// Calculate resource region size based on whether we allow extra threads.
|
||||||
|
const bool use_extra_resources = KSystemControl::Init::ShouldIncreaseThreadResourceLimit();
|
||||||
|
size_t resource_region_size =
|
||||||
|
KernelResourceSize + (use_extra_resources ? KernelSlabHeapAdditionalSize : 0);
|
||||||
|
|
||||||
|
return resource_region_size;
|
||||||
|
}
|
||||||
|
|
||||||
|
} // namespace Kernel
|
|
@ -1,24 +1,67 @@
|
||||||
// Copyright 2020 yuzu Emulator Project
|
// Copyright 2021 yuzu Emulator Project
|
||||||
// Licensed under GPLv2 or any later version
|
// Licensed under GPLv2 or any later version
|
||||||
// Refer to the license.txt file included.
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
#pragma once
|
#pragma once
|
||||||
|
|
||||||
|
#include "common/alignment.h"
|
||||||
|
#include "common/common_sizes.h"
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
#include "core/device_memory.h"
|
#include "core/device_memory.h"
|
||||||
#include "core/hle/kernel/k_memory_region.h"
|
#include "core/hle/kernel/k_memory_region.h"
|
||||||
|
#include "core/hle/kernel/k_memory_region_type.h"
|
||||||
|
#include "core/hle/kernel/memory_types.h"
|
||||||
|
|
||||||
namespace Kernel {
|
namespace Kernel {
|
||||||
|
|
||||||
constexpr std::size_t KernelAslrAlignment = 2 * 1024 * 1024;
|
constexpr std::size_t L1BlockSize = Size_1_GB;
|
||||||
|
constexpr std::size_t L2BlockSize = Size_2_MB;
|
||||||
|
|
||||||
|
constexpr std::size_t GetMaximumOverheadSize(std::size_t size) {
|
||||||
|
return (Common::DivideUp(size, L1BlockSize) + Common::DivideUp(size, L2BlockSize)) * PageSize;
|
||||||
|
}
|
||||||
|
|
||||||
|
constexpr std::size_t MainMemorySize = Size_4_GB;
|
||||||
|
constexpr std::size_t MainMemorySizeMax = Size_8_GB;
|
||||||
|
|
||||||
|
constexpr std::size_t ReservedEarlyDramSize = 0x60000;
|
||||||
|
constexpr std::size_t DramPhysicalAddress = 0x80000000;
|
||||||
|
|
||||||
|
constexpr std::size_t KernelAslrAlignment = Size_2_MB;
|
||||||
constexpr std::size_t KernelVirtualAddressSpaceWidth = 1ULL << 39;
|
constexpr std::size_t KernelVirtualAddressSpaceWidth = 1ULL << 39;
|
||||||
constexpr std::size_t KernelPhysicalAddressSpaceWidth = 1ULL << 48;
|
constexpr std::size_t KernelPhysicalAddressSpaceWidth = 1ULL << 48;
|
||||||
|
|
||||||
constexpr std::size_t KernelVirtualAddressSpaceBase = 0ULL - KernelVirtualAddressSpaceWidth;
|
constexpr std::size_t KernelVirtualAddressSpaceBase = 0ULL - KernelVirtualAddressSpaceWidth;
|
||||||
constexpr std::size_t KernelVirtualAddressSpaceEnd =
|
constexpr std::size_t KernelVirtualAddressSpaceEnd =
|
||||||
KernelVirtualAddressSpaceBase + (KernelVirtualAddressSpaceWidth - KernelAslrAlignment);
|
KernelVirtualAddressSpaceBase + (KernelVirtualAddressSpaceWidth - KernelAslrAlignment);
|
||||||
constexpr std::size_t KernelVirtualAddressSpaceLast = KernelVirtualAddressSpaceEnd - 1;
|
constexpr std::size_t KernelVirtualAddressSpaceLast = KernelVirtualAddressSpaceEnd - 1ULL;
|
||||||
constexpr std::size_t KernelVirtualAddressSpaceSize =
|
constexpr std::size_t KernelVirtualAddressSpaceSize =
|
||||||
KernelVirtualAddressSpaceEnd - KernelVirtualAddressSpaceBase;
|
KernelVirtualAddressSpaceEnd - KernelVirtualAddressSpaceBase;
|
||||||
|
constexpr std::size_t KernelVirtualAddressCodeBase = KernelVirtualAddressSpaceBase;
|
||||||
|
constexpr std::size_t KernelVirtualAddressCodeSize = 0x62000;
|
||||||
|
constexpr std::size_t KernelVirtualAddressCodeEnd =
|
||||||
|
KernelVirtualAddressCodeBase + KernelVirtualAddressCodeSize;
|
||||||
|
|
||||||
|
constexpr std::size_t KernelPhysicalAddressSpaceBase = 0ULL;
|
||||||
|
constexpr std::size_t KernelPhysicalAddressSpaceEnd =
|
||||||
|
KernelPhysicalAddressSpaceBase + KernelPhysicalAddressSpaceWidth;
|
||||||
|
constexpr std::size_t KernelPhysicalAddressSpaceLast = KernelPhysicalAddressSpaceEnd - 1ULL;
|
||||||
|
constexpr std::size_t KernelPhysicalAddressSpaceSize =
|
||||||
|
KernelPhysicalAddressSpaceEnd - KernelPhysicalAddressSpaceBase;
|
||||||
|
constexpr std::size_t KernelPhysicalAddressCodeBase = DramPhysicalAddress + ReservedEarlyDramSize;
|
||||||
|
|
||||||
|
constexpr std::size_t KernelPageTableHeapSize = GetMaximumOverheadSize(MainMemorySizeMax);
|
||||||
|
constexpr std::size_t KernelInitialPageHeapSize = Size_128_KB;
|
||||||
|
|
||||||
|
constexpr std::size_t KernelSlabHeapDataSize = Size_5_MB;
|
||||||
|
constexpr std::size_t KernelSlabHeapGapsSize = Size_2_MB - Size_64_KB;
|
||||||
|
constexpr std::size_t KernelSlabHeapSize = KernelSlabHeapDataSize + KernelSlabHeapGapsSize;
|
||||||
|
|
||||||
|
// NOTE: This is calculated from KThread slab counts, assuming KThread size <= 0x860.
|
||||||
|
constexpr std::size_t KernelSlabHeapAdditionalSize = 0x68000ULL;
|
||||||
|
|
||||||
|
constexpr std::size_t KernelResourceSize =
|
||||||
|
KernelPageTableHeapSize + KernelInitialPageHeapSize + KernelSlabHeapSize;
|
||||||
|
|
||||||
constexpr bool IsKernelAddressKey(VAddr key) {
|
constexpr bool IsKernelAddressKey(VAddr key) {
|
||||||
return KernelVirtualAddressSpaceBase <= key && key <= KernelVirtualAddressSpaceLast;
|
return KernelVirtualAddressSpaceBase <= key && key <= KernelVirtualAddressSpaceLast;
|
||||||
|
@ -30,41 +73,324 @@ constexpr bool IsKernelAddress(VAddr address) {
|
||||||
|
|
||||||
class KMemoryLayout final {
|
class KMemoryLayout final {
|
||||||
public:
|
public:
|
||||||
constexpr const KMemoryRegion& Application() const {
|
KMemoryLayout() = default;
|
||||||
return application;
|
|
||||||
|
KMemoryRegionTree& GetVirtualMemoryRegionTree() {
|
||||||
|
return virtual_tree;
|
||||||
|
}
|
||||||
|
const KMemoryRegionTree& GetVirtualMemoryRegionTree() const {
|
||||||
|
return virtual_tree;
|
||||||
|
}
|
||||||
|
KMemoryRegionTree& GetPhysicalMemoryRegionTree() {
|
||||||
|
return physical_tree;
|
||||||
|
}
|
||||||
|
const KMemoryRegionTree& GetPhysicalMemoryRegionTree() const {
|
||||||
|
return physical_tree;
|
||||||
|
}
|
||||||
|
KMemoryRegionTree& GetVirtualLinearMemoryRegionTree() {
|
||||||
|
return virtual_linear_tree;
|
||||||
|
}
|
||||||
|
const KMemoryRegionTree& GetVirtualLinearMemoryRegionTree() const {
|
||||||
|
return virtual_linear_tree;
|
||||||
|
}
|
||||||
|
KMemoryRegionTree& GetPhysicalLinearMemoryRegionTree() {
|
||||||
|
return physical_linear_tree;
|
||||||
|
}
|
||||||
|
const KMemoryRegionTree& GetPhysicalLinearMemoryRegionTree() const {
|
||||||
|
return physical_linear_tree;
|
||||||
}
|
}
|
||||||
|
|
||||||
constexpr const KMemoryRegion& Applet() const {
|
VAddr GetLinearVirtualAddress(PAddr address) const {
|
||||||
return applet;
|
return address + linear_phys_to_virt_diff;
|
||||||
|
}
|
||||||
|
PAddr GetLinearPhysicalAddress(VAddr address) const {
|
||||||
|
return address + linear_virt_to_phys_diff;
|
||||||
}
|
}
|
||||||
|
|
||||||
constexpr const KMemoryRegion& System() const {
|
const KMemoryRegion* FindVirtual(VAddr address) const {
|
||||||
return system;
|
return Find(address, GetVirtualMemoryRegionTree());
|
||||||
|
}
|
||||||
|
const KMemoryRegion* FindPhysical(PAddr address) const {
|
||||||
|
return Find(address, GetPhysicalMemoryRegionTree());
|
||||||
}
|
}
|
||||||
|
|
||||||
static constexpr KMemoryLayout GetDefaultLayout() {
|
const KMemoryRegion* FindVirtualLinear(VAddr address) const {
|
||||||
constexpr std::size_t application_size{0xcd500000};
|
return Find(address, GetVirtualLinearMemoryRegionTree());
|
||||||
constexpr std::size_t applet_size{0x1fb00000};
|
}
|
||||||
constexpr PAddr application_start_address{Core::DramMemoryMap::End - application_size};
|
const KMemoryRegion* FindPhysicalLinear(PAddr address) const {
|
||||||
constexpr PAddr application_end_address{Core::DramMemoryMap::End};
|
return Find(address, GetPhysicalLinearMemoryRegionTree());
|
||||||
constexpr PAddr applet_start_address{application_start_address - applet_size};
|
}
|
||||||
constexpr PAddr applet_end_address{applet_start_address + applet_size};
|
|
||||||
constexpr PAddr system_start_address{Core::DramMemoryMap::SlabHeapEnd};
|
VAddr GetMainStackTopAddress(s32 core_id) const {
|
||||||
constexpr PAddr system_end_address{applet_start_address};
|
return GetStackTopAddress(core_id, KMemoryRegionType_KernelMiscMainStack);
|
||||||
return {application_start_address, application_end_address, applet_start_address,
|
}
|
||||||
applet_end_address, system_start_address, system_end_address};
|
VAddr GetIdleStackTopAddress(s32 core_id) const {
|
||||||
|
return GetStackTopAddress(core_id, KMemoryRegionType_KernelMiscIdleStack);
|
||||||
|
}
|
||||||
|
VAddr GetExceptionStackTopAddress(s32 core_id) const {
|
||||||
|
return GetStackTopAddress(core_id, KMemoryRegionType_KernelMiscExceptionStack);
|
||||||
|
}
|
||||||
|
|
||||||
|
VAddr GetSlabRegionAddress() const {
|
||||||
|
return Dereference(GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_KernelSlab))
|
||||||
|
.GetAddress();
|
||||||
|
}
|
||||||
|
|
||||||
|
const KMemoryRegion& GetDeviceRegion(KMemoryRegionType type) const {
|
||||||
|
return Dereference(GetPhysicalMemoryRegionTree().FindFirstDerived(type));
|
||||||
|
}
|
||||||
|
PAddr GetDevicePhysicalAddress(KMemoryRegionType type) const {
|
||||||
|
return GetDeviceRegion(type).GetAddress();
|
||||||
|
}
|
||||||
|
VAddr GetDeviceVirtualAddress(KMemoryRegionType type) const {
|
||||||
|
return GetDeviceRegion(type).GetPairAddress();
|
||||||
|
}
|
||||||
|
|
||||||
|
const KMemoryRegion& GetPoolManagementRegion() const {
|
||||||
|
return Dereference(
|
||||||
|
GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_VirtualDramPoolManagement));
|
||||||
|
}
|
||||||
|
const KMemoryRegion& GetPageTableHeapRegion() const {
|
||||||
|
return Dereference(
|
||||||
|
GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_VirtualDramKernelPtHeap));
|
||||||
|
}
|
||||||
|
const KMemoryRegion& GetKernelStackRegion() const {
|
||||||
|
return Dereference(GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_KernelStack));
|
||||||
|
}
|
||||||
|
const KMemoryRegion& GetTempRegion() const {
|
||||||
|
return Dereference(GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_KernelTemp));
|
||||||
|
}
|
||||||
|
|
||||||
|
const KMemoryRegion& GetKernelTraceBufferRegion() const {
|
||||||
|
return Dereference(GetVirtualLinearMemoryRegionTree().FindByType(
|
||||||
|
KMemoryRegionType_VirtualDramKernelTraceBuffer));
|
||||||
|
}
|
||||||
|
|
||||||
|
const KMemoryRegion& GetVirtualLinearRegion(VAddr address) const {
|
||||||
|
return Dereference(FindVirtualLinear(address));
|
||||||
|
}
|
||||||
|
|
||||||
|
const KMemoryRegion* GetPhysicalKernelTraceBufferRegion() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_KernelTraceBuffer);
|
||||||
|
}
|
||||||
|
const KMemoryRegion* GetPhysicalOnMemoryBootImageRegion() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_OnMemoryBootImage);
|
||||||
|
}
|
||||||
|
const KMemoryRegion* GetPhysicalDTBRegion() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_DTB);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool IsHeapPhysicalAddress(const KMemoryRegion*& region, PAddr address) const {
|
||||||
|
return IsTypedAddress(region, address, GetPhysicalLinearMemoryRegionTree(),
|
||||||
|
KMemoryRegionType_DramUserPool);
|
||||||
|
}
|
||||||
|
bool IsHeapVirtualAddress(const KMemoryRegion*& region, VAddr address) const {
|
||||||
|
return IsTypedAddress(region, address, GetVirtualLinearMemoryRegionTree(),
|
||||||
|
KMemoryRegionType_VirtualDramUserPool);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool IsHeapPhysicalAddress(const KMemoryRegion*& region, PAddr address, size_t size) const {
|
||||||
|
return IsTypedAddress(region, address, size, GetPhysicalLinearMemoryRegionTree(),
|
||||||
|
KMemoryRegionType_DramUserPool);
|
||||||
|
}
|
||||||
|
bool IsHeapVirtualAddress(const KMemoryRegion*& region, VAddr address, size_t size) const {
|
||||||
|
return IsTypedAddress(region, address, size, GetVirtualLinearMemoryRegionTree(),
|
||||||
|
KMemoryRegionType_VirtualDramUserPool);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool IsLinearMappedPhysicalAddress(const KMemoryRegion*& region, PAddr address) const {
|
||||||
|
return IsTypedAddress(region, address, GetPhysicalLinearMemoryRegionTree(),
|
||||||
|
static_cast<KMemoryRegionType>(KMemoryRegionAttr_LinearMapped));
|
||||||
|
}
|
||||||
|
bool IsLinearMappedPhysicalAddress(const KMemoryRegion*& region, PAddr address,
|
||||||
|
size_t size) const {
|
||||||
|
return IsTypedAddress(region, address, size, GetPhysicalLinearMemoryRegionTree(),
|
||||||
|
static_cast<KMemoryRegionType>(KMemoryRegionAttr_LinearMapped));
|
||||||
|
}
|
||||||
|
|
||||||
|
std::tuple<size_t, size_t> GetTotalAndKernelMemorySizes() const {
|
||||||
|
size_t total_size = 0, kernel_size = 0;
|
||||||
|
for (const auto& region : GetPhysicalMemoryRegionTree()) {
|
||||||
|
if (region.IsDerivedFrom(KMemoryRegionType_Dram)) {
|
||||||
|
total_size += region.GetSize();
|
||||||
|
if (!region.IsDerivedFrom(KMemoryRegionType_DramUserPool)) {
|
||||||
|
kernel_size += region.GetSize();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return std::make_tuple(total_size, kernel_size);
|
||||||
|
}
|
||||||
|
|
||||||
|
void InitializeLinearMemoryRegionTrees(PAddr aligned_linear_phys_start,
|
||||||
|
VAddr linear_virtual_start);
|
||||||
|
static size_t GetResourceRegionSizeForInit();
|
||||||
|
|
||||||
|
auto GetKernelRegionExtents() const {
|
||||||
|
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_Kernel);
|
||||||
|
}
|
||||||
|
auto GetKernelCodeRegionExtents() const {
|
||||||
|
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelCode);
|
||||||
|
}
|
||||||
|
auto GetKernelStackRegionExtents() const {
|
||||||
|
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelStack);
|
||||||
|
}
|
||||||
|
auto GetKernelMiscRegionExtents() const {
|
||||||
|
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelMisc);
|
||||||
|
}
|
||||||
|
auto GetKernelSlabRegionExtents() const {
|
||||||
|
return GetVirtualMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_KernelSlab);
|
||||||
|
}
|
||||||
|
|
||||||
|
auto GetLinearRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionAttr_LinearMapped);
|
||||||
|
}
|
||||||
|
|
||||||
|
auto GetLinearRegionVirtualExtents() const {
|
||||||
|
const auto physical = GetLinearRegionPhysicalExtents();
|
||||||
|
return KMemoryRegion(GetLinearVirtualAddress(physical.GetAddress()),
|
||||||
|
GetLinearVirtualAddress(physical.GetLastAddress()), 0,
|
||||||
|
KMemoryRegionType_None);
|
||||||
|
}
|
||||||
|
|
||||||
|
auto GetMainMemoryPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(KMemoryRegionType_Dram);
|
||||||
|
}
|
||||||
|
auto GetCarveoutRegionExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionAttr_CarveoutProtected);
|
||||||
|
}
|
||||||
|
|
||||||
|
auto GetKernelRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramKernelBase);
|
||||||
|
}
|
||||||
|
auto GetKernelCodeRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramKernelCode);
|
||||||
|
}
|
||||||
|
auto GetKernelSlabRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramKernelSlab);
|
||||||
|
}
|
||||||
|
auto GetKernelPageTableHeapRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramKernelPtHeap);
|
||||||
|
}
|
||||||
|
auto GetKernelInitPageTableRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramKernelInitPt);
|
||||||
|
}
|
||||||
|
|
||||||
|
auto GetKernelPoolManagementRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramPoolManagement);
|
||||||
|
}
|
||||||
|
auto GetKernelPoolPartitionRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramPoolPartition);
|
||||||
|
}
|
||||||
|
auto GetKernelSystemPoolRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramSystemPool);
|
||||||
|
}
|
||||||
|
auto GetKernelSystemNonSecurePoolRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramSystemNonSecurePool);
|
||||||
|
}
|
||||||
|
auto GetKernelAppletPoolRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramAppletPool);
|
||||||
|
}
|
||||||
|
auto GetKernelApplicationPoolRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_DramApplicationPool);
|
||||||
|
}
|
||||||
|
|
||||||
|
auto GetKernelTraceBufferRegionPhysicalExtents() const {
|
||||||
|
return GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionType_KernelTraceBuffer);
|
||||||
}
|
}
|
||||||
|
|
||||||
private:
|
private:
|
||||||
constexpr KMemoryLayout(PAddr application_start_address, std::size_t application_size,
|
template <typename AddressType>
|
||||||
PAddr applet_start_address, std::size_t applet_size,
|
static bool IsTypedAddress(const KMemoryRegion*& region, AddressType address,
|
||||||
PAddr system_start_address, std::size_t system_size)
|
const KMemoryRegionTree& tree, KMemoryRegionType type) {
|
||||||
: application{application_start_address, application_size},
|
// Check if the cached region already contains the address.
|
||||||
applet{applet_start_address, applet_size}, system{system_start_address, system_size} {}
|
if (region != nullptr && region->Contains(address)) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
const KMemoryRegion application;
|
// Find the containing region, and update the cache.
|
||||||
const KMemoryRegion applet;
|
if (const KMemoryRegion* found = tree.Find(address);
|
||||||
const KMemoryRegion system;
|
found != nullptr && found->IsDerivedFrom(type)) {
|
||||||
|
region = found;
|
||||||
|
return true;
|
||||||
|
} else {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename AddressType>
|
||||||
|
static bool IsTypedAddress(const KMemoryRegion*& region, AddressType address, size_t size,
|
||||||
|
const KMemoryRegionTree& tree, KMemoryRegionType type) {
|
||||||
|
// Get the end of the checked region.
|
||||||
|
const u64 last_address = address + size - 1;
|
||||||
|
|
||||||
|
// Walk the tree to verify the region is correct.
|
||||||
|
const KMemoryRegion* cur =
|
||||||
|
(region != nullptr && region->Contains(address)) ? region : tree.Find(address);
|
||||||
|
while (cur != nullptr && cur->IsDerivedFrom(type)) {
|
||||||
|
if (last_address <= cur->GetLastAddress()) {
|
||||||
|
region = cur;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
cur = cur->GetNext();
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename AddressType>
|
||||||
|
static const KMemoryRegion* Find(AddressType address, const KMemoryRegionTree& tree) {
|
||||||
|
return tree.Find(address);
|
||||||
|
}
|
||||||
|
|
||||||
|
static KMemoryRegion& Dereference(KMemoryRegion* region) {
|
||||||
|
ASSERT(region != nullptr);
|
||||||
|
return *region;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const KMemoryRegion& Dereference(const KMemoryRegion* region) {
|
||||||
|
ASSERT(region != nullptr);
|
||||||
|
return *region;
|
||||||
|
}
|
||||||
|
|
||||||
|
VAddr GetStackTopAddress(s32 core_id, KMemoryRegionType type) const {
|
||||||
|
const auto& region = Dereference(
|
||||||
|
GetVirtualMemoryRegionTree().FindByTypeAndAttribute(type, static_cast<u32>(core_id)));
|
||||||
|
ASSERT(region.GetEndAddress() != 0);
|
||||||
|
return region.GetEndAddress();
|
||||||
|
}
|
||||||
|
|
||||||
|
private:
|
||||||
|
u64 linear_phys_to_virt_diff{};
|
||||||
|
u64 linear_virt_to_phys_diff{};
|
||||||
|
KMemoryRegionTree virtual_tree;
|
||||||
|
KMemoryRegionTree physical_tree;
|
||||||
|
KMemoryRegionTree virtual_linear_tree;
|
||||||
|
KMemoryRegionTree physical_linear_tree;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
namespace Init {
|
||||||
|
|
||||||
|
// These should be generic, regardless of board.
|
||||||
|
void SetupPoolPartitionMemoryRegions(KMemoryLayout& memory_layout);
|
||||||
|
|
||||||
|
// These may be implemented in a board-specific manner.
|
||||||
|
void SetupDevicePhysicalMemoryRegions(KMemoryLayout& memory_layout);
|
||||||
|
void SetupDramPhysicalMemoryRegions(KMemoryLayout& memory_layout);
|
||||||
|
|
||||||
|
} // namespace Init
|
||||||
|
|
||||||
} // namespace Kernel
|
} // namespace Kernel
|
||||||
|
|
|
@ -1,4 +1,4 @@
|
||||||
// Copyright 2014 Citra Emulator Project
|
// Copyright 2021 yuzu Emulator Project
|
||||||
// Licensed under GPLv2 or any later version
|
// Licensed under GPLv2 or any later version
|
||||||
// Refer to the license.txt file included.
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
@ -12,6 +12,7 @@
|
||||||
#include <utility>
|
#include <utility>
|
||||||
|
|
||||||
#include "common/assert.h"
|
#include "common/assert.h"
|
||||||
|
#include "common/common_sizes.h"
|
||||||
#include "common/logging/log.h"
|
#include "common/logging/log.h"
|
||||||
#include "common/microprofile.h"
|
#include "common/microprofile.h"
|
||||||
#include "common/thread.h"
|
#include "common/thread.h"
|
||||||
|
@ -269,44 +270,310 @@ struct KernelCore::Impl {
|
||||||
}
|
}
|
||||||
|
|
||||||
void InitializeMemoryLayout() {
|
void InitializeMemoryLayout() {
|
||||||
// Initialize memory layout
|
KMemoryLayout memory_layout;
|
||||||
constexpr KMemoryLayout layout{KMemoryLayout::GetDefaultLayout()};
|
|
||||||
|
// Insert the root region for the virtual memory tree, from which all other regions will
|
||||||
|
// derive.
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().InsertDirectly(
|
||||||
|
KernelVirtualAddressSpaceBase,
|
||||||
|
KernelVirtualAddressSpaceBase + KernelVirtualAddressSpaceSize - 1);
|
||||||
|
|
||||||
|
// Insert the root region for the physical memory tree, from which all other regions will
|
||||||
|
// derive.
|
||||||
|
memory_layout.GetPhysicalMemoryRegionTree().InsertDirectly(
|
||||||
|
KernelPhysicalAddressSpaceBase,
|
||||||
|
KernelPhysicalAddressSpaceBase + KernelPhysicalAddressSpaceSize - 1);
|
||||||
|
|
||||||
|
// Save start and end for ease of use.
|
||||||
|
const VAddr code_start_virt_addr = KernelVirtualAddressCodeBase;
|
||||||
|
const VAddr code_end_virt_addr = KernelVirtualAddressCodeEnd;
|
||||||
|
|
||||||
|
// Setup the containing kernel region.
|
||||||
|
constexpr size_t KernelRegionSize = Size_1_GB;
|
||||||
|
constexpr size_t KernelRegionAlign = Size_1_GB;
|
||||||
|
constexpr VAddr kernel_region_start =
|
||||||
|
Common::AlignDown(code_start_virt_addr, KernelRegionAlign);
|
||||||
|
size_t kernel_region_size = KernelRegionSize;
|
||||||
|
if (!(kernel_region_start + KernelRegionSize - 1 <= KernelVirtualAddressSpaceLast)) {
|
||||||
|
kernel_region_size = KernelVirtualAddressSpaceEnd - kernel_region_start;
|
||||||
|
}
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
kernel_region_start, kernel_region_size, KMemoryRegionType_Kernel));
|
||||||
|
|
||||||
|
// Setup the code region.
|
||||||
|
constexpr size_t CodeRegionAlign = PageSize;
|
||||||
|
constexpr VAddr code_region_start =
|
||||||
|
Common::AlignDown(code_start_virt_addr, CodeRegionAlign);
|
||||||
|
constexpr VAddr code_region_end = Common::AlignUp(code_end_virt_addr, CodeRegionAlign);
|
||||||
|
constexpr size_t code_region_size = code_region_end - code_region_start;
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
code_region_start, code_region_size, KMemoryRegionType_KernelCode));
|
||||||
|
|
||||||
|
// Setup board-specific device physical regions.
|
||||||
|
Init::SetupDevicePhysicalMemoryRegions(memory_layout);
|
||||||
|
|
||||||
|
// Determine the amount of space needed for the misc region.
|
||||||
|
size_t misc_region_needed_size;
|
||||||
|
{
|
||||||
|
// Each core has a one page stack for all three stack types (Main, Idle, Exception).
|
||||||
|
misc_region_needed_size = Core::Hardware::NUM_CPU_CORES * (3 * (PageSize + PageSize));
|
||||||
|
|
||||||
|
// Account for each auto-map device.
|
||||||
|
for (const auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
|
||||||
|
if (region.HasTypeAttribute(KMemoryRegionAttr_ShouldKernelMap)) {
|
||||||
|
// Check that the region is valid.
|
||||||
|
ASSERT(region.GetEndAddress() != 0);
|
||||||
|
|
||||||
|
// Account for the region.
|
||||||
|
misc_region_needed_size +=
|
||||||
|
PageSize + (Common::AlignUp(region.GetLastAddress(), PageSize) -
|
||||||
|
Common::AlignDown(region.GetAddress(), PageSize));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Multiply the needed size by three, to account for the need for guard space.
|
||||||
|
misc_region_needed_size *= 3;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Decide on the actual size for the misc region.
|
||||||
|
constexpr size_t MiscRegionAlign = KernelAslrAlignment;
|
||||||
|
constexpr size_t MiscRegionMinimumSize = Size_32_MB;
|
||||||
|
const size_t misc_region_size = Common::AlignUp(
|
||||||
|
std::max(misc_region_needed_size, MiscRegionMinimumSize), MiscRegionAlign);
|
||||||
|
ASSERT(misc_region_size > 0);
|
||||||
|
|
||||||
|
// Setup the misc region.
|
||||||
|
const VAddr misc_region_start =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
|
||||||
|
misc_region_size, MiscRegionAlign, KMemoryRegionType_Kernel);
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
misc_region_start, misc_region_size, KMemoryRegionType_KernelMisc));
|
||||||
|
|
||||||
|
// Setup the stack region.
|
||||||
|
constexpr size_t StackRegionSize = Size_14_MB;
|
||||||
|
constexpr size_t StackRegionAlign = KernelAslrAlignment;
|
||||||
|
const VAddr stack_region_start =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
|
||||||
|
StackRegionSize, StackRegionAlign, KMemoryRegionType_Kernel);
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
stack_region_start, StackRegionSize, KMemoryRegionType_KernelStack));
|
||||||
|
|
||||||
|
// Determine the size of the resource region.
|
||||||
|
const size_t resource_region_size = memory_layout.GetResourceRegionSizeForInit();
|
||||||
|
|
||||||
|
// Determine the size of the slab region.
|
||||||
|
const size_t slab_region_size = Common::AlignUp(KernelSlabHeapSize, PageSize);
|
||||||
|
ASSERT(slab_region_size <= resource_region_size);
|
||||||
|
|
||||||
|
// Setup the slab region.
|
||||||
|
const PAddr code_start_phys_addr = KernelPhysicalAddressCodeBase;
|
||||||
|
const PAddr code_end_phys_addr = code_start_phys_addr + code_region_size;
|
||||||
|
const PAddr slab_start_phys_addr = code_end_phys_addr;
|
||||||
|
const PAddr slab_end_phys_addr = slab_start_phys_addr + slab_region_size;
|
||||||
|
constexpr size_t SlabRegionAlign = KernelAslrAlignment;
|
||||||
|
const size_t slab_region_needed_size =
|
||||||
|
Common::AlignUp(code_end_phys_addr + slab_region_size, SlabRegionAlign) -
|
||||||
|
Common::AlignDown(code_end_phys_addr, SlabRegionAlign);
|
||||||
|
const VAddr slab_region_start =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
|
||||||
|
slab_region_needed_size, SlabRegionAlign, KMemoryRegionType_Kernel) +
|
||||||
|
(code_end_phys_addr % SlabRegionAlign);
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
slab_region_start, slab_region_size, KMemoryRegionType_KernelSlab));
|
||||||
|
|
||||||
|
// Setup the temp region.
|
||||||
|
constexpr size_t TempRegionSize = Size_128_MB;
|
||||||
|
constexpr size_t TempRegionAlign = KernelAslrAlignment;
|
||||||
|
const VAddr temp_region_start =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegion(
|
||||||
|
TempRegionSize, TempRegionAlign, KMemoryRegionType_Kernel);
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(temp_region_start, TempRegionSize,
|
||||||
|
KMemoryRegionType_KernelTemp));
|
||||||
|
|
||||||
|
// Automatically map in devices that have auto-map attributes.
|
||||||
|
for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
|
||||||
|
// We only care about kernel regions.
|
||||||
|
if (!region.IsDerivedFrom(KMemoryRegionType_Kernel)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check whether we should map the region.
|
||||||
|
if (!region.HasTypeAttribute(KMemoryRegionAttr_ShouldKernelMap)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// If this region has already been mapped, no need to consider it.
|
||||||
|
if (region.HasTypeAttribute(KMemoryRegionAttr_DidKernelMap)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check that the region is valid.
|
||||||
|
ASSERT(region.GetEndAddress() != 0);
|
||||||
|
|
||||||
|
// Set the attribute to note we've mapped this region.
|
||||||
|
region.SetTypeAttribute(KMemoryRegionAttr_DidKernelMap);
|
||||||
|
|
||||||
|
// Create a virtual pair region and insert it into the tree.
|
||||||
|
const PAddr map_phys_addr = Common::AlignDown(region.GetAddress(), PageSize);
|
||||||
|
const size_t map_size =
|
||||||
|
Common::AlignUp(region.GetEndAddress(), PageSize) - map_phys_addr;
|
||||||
|
const VAddr map_virt_addr =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegionWithGuard(
|
||||||
|
map_size, PageSize, KMemoryRegionType_KernelMisc, PageSize);
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
map_virt_addr, map_size, KMemoryRegionType_KernelMiscMappedDevice));
|
||||||
|
region.SetPairAddress(map_virt_addr + region.GetAddress() - map_phys_addr);
|
||||||
|
}
|
||||||
|
|
||||||
|
Init::SetupDramPhysicalMemoryRegions(memory_layout);
|
||||||
|
|
||||||
|
// Insert a physical region for the kernel code region.
|
||||||
|
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||||
|
code_start_phys_addr, code_region_size, KMemoryRegionType_DramKernelCode));
|
||||||
|
|
||||||
|
// Insert a physical region for the kernel slab region.
|
||||||
|
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||||
|
slab_start_phys_addr, slab_region_size, KMemoryRegionType_DramKernelSlab));
|
||||||
|
|
||||||
|
// Determine size available for kernel page table heaps, requiring > 8 MB.
|
||||||
|
const PAddr resource_end_phys_addr = slab_start_phys_addr + resource_region_size;
|
||||||
|
const size_t page_table_heap_size = resource_end_phys_addr - slab_end_phys_addr;
|
||||||
|
ASSERT(page_table_heap_size / Size_4_MB > 2);
|
||||||
|
|
||||||
|
// Insert a physical region for the kernel page table heap region
|
||||||
|
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||||
|
slab_end_phys_addr, page_table_heap_size, KMemoryRegionType_DramKernelPtHeap));
|
||||||
|
|
||||||
|
// All DRAM regions that we haven't tagged by this point will be mapped under the linear
|
||||||
|
// mapping. Tag them.
|
||||||
|
for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
|
||||||
|
if (region.GetType() == KMemoryRegionType_Dram) {
|
||||||
|
// Check that the region is valid.
|
||||||
|
ASSERT(region.GetEndAddress() != 0);
|
||||||
|
|
||||||
|
// Set the linear map attribute.
|
||||||
|
region.SetTypeAttribute(KMemoryRegionAttr_LinearMapped);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get the linear region extents.
|
||||||
|
const auto linear_extents =
|
||||||
|
memory_layout.GetPhysicalMemoryRegionTree().GetDerivedRegionExtents(
|
||||||
|
KMemoryRegionAttr_LinearMapped);
|
||||||
|
ASSERT(linear_extents.GetEndAddress() != 0);
|
||||||
|
|
||||||
|
// Setup the linear mapping region.
|
||||||
|
constexpr size_t LinearRegionAlign = Size_1_GB;
|
||||||
|
const PAddr aligned_linear_phys_start =
|
||||||
|
Common::AlignDown(linear_extents.GetAddress(), LinearRegionAlign);
|
||||||
|
const size_t linear_region_size =
|
||||||
|
Common::AlignUp(linear_extents.GetEndAddress(), LinearRegionAlign) -
|
||||||
|
aligned_linear_phys_start;
|
||||||
|
const VAddr linear_region_start =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().GetRandomAlignedRegionWithGuard(
|
||||||
|
linear_region_size, LinearRegionAlign, KMemoryRegionType_None, LinearRegionAlign);
|
||||||
|
|
||||||
|
const u64 linear_region_phys_to_virt_diff = linear_region_start - aligned_linear_phys_start;
|
||||||
|
|
||||||
|
// Map and create regions for all the linearly-mapped data.
|
||||||
|
{
|
||||||
|
PAddr cur_phys_addr = 0;
|
||||||
|
u64 cur_size = 0;
|
||||||
|
for (auto& region : memory_layout.GetPhysicalMemoryRegionTree()) {
|
||||||
|
if (!region.HasTypeAttribute(KMemoryRegionAttr_LinearMapped)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
ASSERT(region.GetEndAddress() != 0);
|
||||||
|
|
||||||
|
if (cur_size == 0) {
|
||||||
|
cur_phys_addr = region.GetAddress();
|
||||||
|
cur_size = region.GetSize();
|
||||||
|
} else if (cur_phys_addr + cur_size == region.GetAddress()) {
|
||||||
|
cur_size += region.GetSize();
|
||||||
|
} else {
|
||||||
|
const VAddr cur_virt_addr = cur_phys_addr + linear_region_phys_to_virt_diff;
|
||||||
|
cur_phys_addr = region.GetAddress();
|
||||||
|
cur_size = region.GetSize();
|
||||||
|
}
|
||||||
|
|
||||||
|
const VAddr region_virt_addr =
|
||||||
|
region.GetAddress() + linear_region_phys_to_virt_diff;
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
region_virt_addr, region.GetSize(),
|
||||||
|
GetTypeForVirtualLinearMapping(region.GetType())));
|
||||||
|
region.SetPairAddress(region_virt_addr);
|
||||||
|
|
||||||
|
KMemoryRegion* virt_region =
|
||||||
|
memory_layout.GetVirtualMemoryRegionTree().FindModifiable(region_virt_addr);
|
||||||
|
ASSERT(virt_region != nullptr);
|
||||||
|
virt_region->SetPairAddress(region.GetAddress());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Insert regions for the initial page table region.
|
||||||
|
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||||
|
resource_end_phys_addr, KernelPageTableHeapSize, KMemoryRegionType_DramKernelInitPt));
|
||||||
|
ASSERT(memory_layout.GetVirtualMemoryRegionTree().Insert(
|
||||||
|
resource_end_phys_addr + linear_region_phys_to_virt_diff, KernelPageTableHeapSize,
|
||||||
|
KMemoryRegionType_VirtualDramKernelInitPt));
|
||||||
|
|
||||||
|
// 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 : memory_layout.GetPhysicalMemoryRegionTree()) {
|
||||||
|
if (region.GetType() == (KMemoryRegionType_Dram | KMemoryRegionAttr_LinearMapped)) {
|
||||||
|
region.SetType(KMemoryRegionType_DramPoolPartition);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Setup all other memory regions needed to arrange the pool partitions.
|
||||||
|
Init::SetupPoolPartitionMemoryRegions(memory_layout);
|
||||||
|
|
||||||
|
// Cache all linear regions in their own trees for faster access, later.
|
||||||
|
memory_layout.InitializeLinearMemoryRegionTrees(aligned_linear_phys_start,
|
||||||
|
linear_region_start);
|
||||||
|
|
||||||
|
const auto system_pool = memory_layout.GetKernelSystemPoolRegionPhysicalExtents();
|
||||||
|
const auto applet_pool = memory_layout.GetKernelAppletPoolRegionPhysicalExtents();
|
||||||
|
const auto application_pool = memory_layout.GetKernelApplicationPoolRegionPhysicalExtents();
|
||||||
|
|
||||||
|
// Initialize memory managers
|
||||||
|
memory_manager = std::make_unique<KMemoryManager>();
|
||||||
|
memory_manager->InitializeManager(KMemoryManager::Pool::Application,
|
||||||
|
application_pool.GetAddress(),
|
||||||
|
application_pool.GetEndAddress());
|
||||||
|
memory_manager->InitializeManager(KMemoryManager::Pool::Applet, applet_pool.GetAddress(),
|
||||||
|
applet_pool.GetEndAddress());
|
||||||
|
memory_manager->InitializeManager(KMemoryManager::Pool::System, system_pool.GetAddress(),
|
||||||
|
system_pool.GetEndAddress());
|
||||||
|
|
||||||
|
// Setup memory regions for emulated processes
|
||||||
|
// TODO(bunnei): These should not be hardcoded regions initialized within the kernel
|
||||||
constexpr std::size_t hid_size{0x40000};
|
constexpr std::size_t hid_size{0x40000};
|
||||||
constexpr std::size_t font_size{0x1100000};
|
constexpr std::size_t font_size{0x1100000};
|
||||||
constexpr std::size_t irs_size{0x8000};
|
constexpr std::size_t irs_size{0x8000};
|
||||||
constexpr std::size_t time_size{0x1000};
|
constexpr std::size_t time_size{0x1000};
|
||||||
constexpr PAddr hid_addr{layout.System().GetAddress()};
|
|
||||||
constexpr PAddr font_pa{layout.System().GetAddress() + hid_size};
|
|
||||||
constexpr PAddr irs_addr{layout.System().GetAddress() + hid_size + font_size};
|
|
||||||
constexpr PAddr time_addr{layout.System().GetAddress() + hid_size + font_size + irs_size};
|
|
||||||
|
|
||||||
// Initialize memory manager
|
const PAddr hid_phys_addr{system_pool.GetAddress()};
|
||||||
memory_manager = std::make_unique<KMemoryManager>();
|
const PAddr font_phys_addr{system_pool.GetAddress() + hid_size};
|
||||||
memory_manager->InitializeManager(KMemoryManager::Pool::Application,
|
const PAddr irs_phys_addr{system_pool.GetAddress() + hid_size + font_size};
|
||||||
layout.Application().GetAddress(),
|
const PAddr time_phys_addr{system_pool.GetAddress() + hid_size + font_size + irs_size};
|
||||||
layout.Application().GetLastAddress());
|
|
||||||
memory_manager->InitializeManager(KMemoryManager::Pool::Applet,
|
|
||||||
layout.Applet().GetAddress(),
|
|
||||||
layout.Applet().GetLastAddress());
|
|
||||||
memory_manager->InitializeManager(KMemoryManager::Pool::System,
|
|
||||||
layout.System().GetAddress(),
|
|
||||||
layout.System().GetLastAddress());
|
|
||||||
|
|
||||||
hid_shared_mem = Kernel::KSharedMemory::Create(
|
hid_shared_mem = Kernel::KSharedMemory::Create(
|
||||||
system.Kernel(), system.DeviceMemory(), nullptr, {hid_addr, hid_size / PageSize},
|
system.Kernel(), system.DeviceMemory(), nullptr, {hid_phys_addr, hid_size / PageSize},
|
||||||
KMemoryPermission::None, KMemoryPermission::Read, hid_addr, hid_size,
|
KMemoryPermission::None, KMemoryPermission::Read, hid_phys_addr, hid_size,
|
||||||
"HID:SharedMemory");
|
"HID:SharedMemory");
|
||||||
font_shared_mem = Kernel::KSharedMemory::Create(
|
font_shared_mem = Kernel::KSharedMemory::Create(
|
||||||
system.Kernel(), system.DeviceMemory(), nullptr, {font_pa, font_size / PageSize},
|
system.Kernel(), system.DeviceMemory(), nullptr, {font_phys_addr, font_size / PageSize},
|
||||||
KMemoryPermission::None, KMemoryPermission::Read, font_pa, font_size,
|
KMemoryPermission::None, KMemoryPermission::Read, font_phys_addr, font_size,
|
||||||
"Font:SharedMemory");
|
"Font:SharedMemory");
|
||||||
irs_shared_mem = Kernel::KSharedMemory::Create(
|
irs_shared_mem = Kernel::KSharedMemory::Create(
|
||||||
system.Kernel(), system.DeviceMemory(), nullptr, {irs_addr, irs_size / PageSize},
|
system.Kernel(), system.DeviceMemory(), nullptr, {irs_phys_addr, irs_size / PageSize},
|
||||||
KMemoryPermission::None, KMemoryPermission::Read, irs_addr, irs_size,
|
KMemoryPermission::None, KMemoryPermission::Read, irs_phys_addr, irs_size,
|
||||||
"IRS:SharedMemory");
|
"IRS:SharedMemory");
|
||||||
time_shared_mem = Kernel::KSharedMemory::Create(
|
time_shared_mem = Kernel::KSharedMemory::Create(
|
||||||
system.Kernel(), system.DeviceMemory(), nullptr, {time_addr, time_size / PageSize},
|
system.Kernel(), system.DeviceMemory(), nullptr, {time_phys_addr, time_size / PageSize},
|
||||||
KMemoryPermission::None, KMemoryPermission::Read, time_addr, time_size,
|
KMemoryPermission::None, KMemoryPermission::Read, time_phys_addr, time_size,
|
||||||
"Time:SharedMemory");
|
"Time:SharedMemory");
|
||||||
|
|
||||||
// Allocate slab heaps
|
// Allocate slab heaps
|
||||||
|
|
|
@ -1,4 +1,4 @@
|
||||||
// Copyright 2014 Citra Emulator Project / PPSSPP Project
|
// Copyright 2021 yuzu Emulator Project
|
||||||
// Licensed under GPLv2 or any later version
|
// Licensed under GPLv2 or any later version
|
||||||
// Refer to the license.txt file included.
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue