Merge pull request #6099 from bunnei/derive-mem
Kernel Rework: Derive memory regions from board layout.master
commit
b04877dd95
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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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#pragma once
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#include <limits>
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#include "common/common_types.h"
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namespace Common {
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enum : u64 {
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Size_1_KB = 0x400ULL,
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Size_64_KB = 64ULL * Size_1_KB,
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Size_128_KB = 128ULL * Size_1_KB,
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Size_1_MB = 0x100000ULL,
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Size_2_MB = 2ULL * Size_1_MB,
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Size_4_MB = 4ULL * Size_1_MB,
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Size_5_MB = 5ULL * Size_1_MB,
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Size_14_MB = 14ULL * Size_1_MB,
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Size_32_MB = 32ULL * Size_1_MB,
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Size_33_MB = 33ULL * Size_1_MB,
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Size_128_MB = 128ULL * Size_1_MB,
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Size_448_MB = 448ULL * Size_1_MB,
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Size_507_MB = 507ULL * Size_1_MB,
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Size_562_MB = 562ULL * Size_1_MB,
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Size_1554_MB = 1554ULL * Size_1_MB,
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Size_2048_MB = 2048ULL * Size_1_MB,
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Size_2193_MB = 2193ULL * Size_1_MB,
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Size_3285_MB = 3285ULL * Size_1_MB,
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Size_4916_MB = 4916ULL * Size_1_MB,
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Size_1_GB = 0x40000000ULL,
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Size_2_GB = 2ULL * Size_1_GB,
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Size_4_GB = 4ULL * Size_1_GB,
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Size_6_GB = 6ULL * Size_1_GB,
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Size_8_GB = 8ULL * Size_1_GB,
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Size_64_GB = 64ULL * Size_1_GB,
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Size_512_GB = 512ULL * Size_1_GB,
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Size_Invalid = std::numeric_limits<u64>::max(),
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};
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} // namespace Common
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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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// All architectures must define NumArchitectureDeviceRegions.
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constexpr inline const auto NumArchitectureDeviceRegions = 3;
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constexpr inline const auto KMemoryRegionType_Uart =
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KMemoryRegionType_ArchDeviceBase.DeriveSparse(0, NumArchitectureDeviceRegions, 0);
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constexpr inline const auto KMemoryRegionType_InterruptCpuInterface =
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KMemoryRegionType_ArchDeviceBase.DeriveSparse(0, NumArchitectureDeviceRegions, 1)
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.SetAttribute(KMemoryRegionAttr_NoUserMap);
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constexpr inline const auto KMemoryRegionType_InterruptDistributor =
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KMemoryRegionType_ArchDeviceBase.DeriveSparse(0, NumArchitectureDeviceRegions, 2)
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.SetAttribute(KMemoryRegionAttr_NoUserMap);
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static_assert(KMemoryRegionType_Uart.GetValue() == (0x1D));
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static_assert(KMemoryRegionType_InterruptCpuInterface.GetValue() ==
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(0x2D | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_InterruptDistributor.GetValue() ==
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(0x4D | KMemoryRegionAttr_NoUserMap));
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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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// All architectures must define NumBoardDeviceRegions.
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constexpr inline const auto NumBoardDeviceRegions = 6;
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// UNUSED: .Derive(NumBoardDeviceRegions, 0);
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constexpr inline const auto KMemoryRegionType_MemoryController =
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KMemoryRegionType_BoardDeviceBase.Derive(NumBoardDeviceRegions, 1)
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.SetAttribute(KMemoryRegionAttr_NoUserMap);
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constexpr inline const auto KMemoryRegionType_MemoryController1 =
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KMemoryRegionType_BoardDeviceBase.Derive(NumBoardDeviceRegions, 2)
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.SetAttribute(KMemoryRegionAttr_NoUserMap);
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constexpr inline const auto KMemoryRegionType_MemoryController0 =
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KMemoryRegionType_BoardDeviceBase.Derive(NumBoardDeviceRegions, 3)
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.SetAttribute(KMemoryRegionAttr_NoUserMap);
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constexpr inline const auto KMemoryRegionType_PowerManagementController =
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KMemoryRegionType_BoardDeviceBase.Derive(NumBoardDeviceRegions, 4).DeriveTransition();
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constexpr inline const auto KMemoryRegionType_LegacyLpsDevices =
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KMemoryRegionType_BoardDeviceBase.Derive(NumBoardDeviceRegions, 5);
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static_assert(KMemoryRegionType_MemoryController.GetValue() ==
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(0x55 | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_MemoryController1.GetValue() ==
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(0x65 | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_MemoryController0.GetValue() ==
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(0x95 | KMemoryRegionAttr_NoUserMap));
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static_assert(KMemoryRegionType_PowerManagementController.GetValue() == (0x1A5));
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static_assert(KMemoryRegionType_LegacyLpsDevices.GetValue() == 0xC5);
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constexpr inline const auto NumLegacyLpsDevices = 7;
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constexpr inline const auto KMemoryRegionType_LegacyLpsExceptionVectors =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 0);
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constexpr inline const auto KMemoryRegionType_LegacyLpsIram =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 1);
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constexpr inline const auto KMemoryRegionType_LegacyLpsFlowController =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 2);
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constexpr inline const auto KMemoryRegionType_LegacyLpsPrimaryICtlr =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 3);
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constexpr inline const auto KMemoryRegionType_LegacyLpsSemaphore =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 4);
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constexpr inline const auto KMemoryRegionType_LegacyLpsAtomics =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 5);
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constexpr inline const auto KMemoryRegionType_LegacyLpsClkRst =
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KMemoryRegionType_LegacyLpsDevices.Derive(NumLegacyLpsDevices, 6);
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static_assert(KMemoryRegionType_LegacyLpsExceptionVectors.GetValue() == 0x3C5);
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static_assert(KMemoryRegionType_LegacyLpsIram.GetValue() == 0x5C5);
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static_assert(KMemoryRegionType_LegacyLpsFlowController.GetValue() == 0x6C5);
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static_assert(KMemoryRegionType_LegacyLpsPrimaryICtlr.GetValue() == 0x9C5);
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static_assert(KMemoryRegionType_LegacyLpsSemaphore.GetValue() == 0xAC5);
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static_assert(KMemoryRegionType_LegacyLpsAtomics.GetValue() == 0xCC5);
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static_assert(KMemoryRegionType_LegacyLpsClkRst.GetValue() == 0x11C5);
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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 <random>
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#include "common/common_sizes.h"
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#include "core/hle/kernel/board/nintendo/nx/k_system_control.h"
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#include "core/hle/kernel/board/nintendo/nx/secure_monitor.h"
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#include "core/hle/kernel/k_trace.h"
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namespace Kernel::Board::Nintendo::Nx {
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namespace impl {
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constexpr const std::size_t RequiredNonSecureSystemMemorySizeVi = 0x2238 * 4 * 1024;
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constexpr const std::size_t RequiredNonSecureSystemMemorySizeNvservices = 0x710 * 4 * 1024;
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constexpr const std::size_t RequiredNonSecureSystemMemorySizeMisc = 0x80 * 4 * 1024;
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} // namespace impl
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constexpr const std::size_t RequiredNonSecureSystemMemorySize =
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impl::RequiredNonSecureSystemMemorySizeVi + impl::RequiredNonSecureSystemMemorySizeNvservices +
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impl::RequiredNonSecureSystemMemorySizeMisc;
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namespace {
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u32 GetMemoryModeForInit() {
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return 0x01;
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}
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u32 GetMemorySizeForInit() {
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return 0;
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}
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Smc::MemoryArrangement GetMemoryArrangeForInit() {
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switch (GetMemoryModeForInit() & 0x3F) {
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case 0x01:
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default:
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return Smc::MemoryArrangement_4GB;
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case 0x02:
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return Smc::MemoryArrangement_4GBForAppletDev;
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case 0x03:
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return Smc::MemoryArrangement_4GBForSystemDev;
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case 0x11:
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return Smc::MemoryArrangement_6GB;
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case 0x12:
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return Smc::MemoryArrangement_6GBForAppletDev;
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case 0x21:
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return Smc::MemoryArrangement_8GB;
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}
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}
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} // namespace
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// Initialization.
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size_t KSystemControl::Init::GetIntendedMemorySize() {
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switch (GetMemorySizeForInit()) {
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case Smc::MemorySize_4GB:
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default: // All invalid modes should go to 4GB.
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return Common::Size_4_GB;
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case Smc::MemorySize_6GB:
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return Common::Size_6_GB;
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case Smc::MemorySize_8GB:
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return Common::Size_8_GB;
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}
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}
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PAddr KSystemControl::Init::GetKernelPhysicalBaseAddress(u64 base_address) {
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return base_address;
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}
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bool KSystemControl::Init::ShouldIncreaseThreadResourceLimit() {
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return true;
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}
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std::size_t KSystemControl::Init::GetApplicationPoolSize() {
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// Get the base pool size.
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const size_t base_pool_size = []() -> size_t {
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switch (GetMemoryArrangeForInit()) {
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case Smc::MemoryArrangement_4GB:
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default:
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return Common::Size_3285_MB;
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case Smc::MemoryArrangement_4GBForAppletDev:
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return Common::Size_2048_MB;
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case Smc::MemoryArrangement_4GBForSystemDev:
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return Common::Size_3285_MB;
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case Smc::MemoryArrangement_6GB:
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return Common::Size_4916_MB;
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case Smc::MemoryArrangement_6GBForAppletDev:
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return Common::Size_3285_MB;
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case Smc::MemoryArrangement_8GB:
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return Common::Size_4916_MB;
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}
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}();
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// Return (possibly) adjusted size.
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return base_pool_size;
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}
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size_t KSystemControl::Init::GetAppletPoolSize() {
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// Get the base pool size.
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const size_t base_pool_size = []() -> size_t {
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switch (GetMemoryArrangeForInit()) {
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case Smc::MemoryArrangement_4GB:
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default:
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return Common::Size_507_MB;
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case Smc::MemoryArrangement_4GBForAppletDev:
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return Common::Size_1554_MB;
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case Smc::MemoryArrangement_4GBForSystemDev:
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return Common::Size_448_MB;
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case Smc::MemoryArrangement_6GB:
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return Common::Size_562_MB;
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case Smc::MemoryArrangement_6GBForAppletDev:
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return Common::Size_2193_MB;
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case Smc::MemoryArrangement_8GB:
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return Common::Size_2193_MB;
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}
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}();
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// Return (possibly) adjusted size.
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constexpr size_t ExtraSystemMemoryForAtmosphere = Common::Size_33_MB;
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return base_pool_size - ExtraSystemMemoryForAtmosphere - KTraceBufferSize;
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}
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size_t KSystemControl::Init::GetMinimumNonSecureSystemPoolSize() {
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// Verify that our minimum is at least as large as Nintendo's.
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constexpr size_t MinimumSize = RequiredNonSecureSystemMemorySize;
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static_assert(MinimumSize >= 0x29C8000);
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return MinimumSize;
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}
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namespace {
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template <typename F>
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u64 GenerateUniformRange(u64 min, u64 max, F f) {
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// Handle the case where the difference is too large to represent.
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if (max == std::numeric_limits<u64>::max() && min == std::numeric_limits<u64>::min()) {
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return f();
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}
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// Iterate until we get a value in range.
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const u64 range_size = ((max + 1) - min);
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const u64 effective_max = (std::numeric_limits<u64>::max() / range_size) * range_size;
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while (true) {
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if (const u64 rnd = f(); rnd < effective_max) {
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return min + (rnd % range_size);
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}
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}
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}
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} // Anonymous namespace
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u64 KSystemControl::GenerateRandomU64() {
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static std::random_device device;
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static std::mt19937 gen(device());
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static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
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return distribution(gen);
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}
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u64 KSystemControl::GenerateRandomRange(u64 min, u64 max) {
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return GenerateUniformRange(min, max, GenerateRandomU64);
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}
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} // namespace Kernel::Board::Nintendo::Nx
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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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#pragma once
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#include "common/common_types.h"
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namespace Kernel::Board::Nintendo::Nx {
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class KSystemControl {
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public:
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class Init {
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public:
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// Initialization.
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static std::size_t GetIntendedMemorySize();
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static PAddr GetKernelPhysicalBaseAddress(u64 base_address);
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static bool ShouldIncreaseThreadResourceLimit();
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static std::size_t GetApplicationPoolSize();
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static std::size_t GetAppletPoolSize();
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static std::size_t GetMinimumNonSecureSystemPoolSize();
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};
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static u64 GenerateRandomRange(u64 min, u64 max);
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static u64 GenerateRandomU64();
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};
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} // namespace Kernel::Board::Nintendo::Nx
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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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#pragma once
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#include "common/common_types.h"
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namespace Kernel::Board::Nintendo::Nx::Smc {
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enum MemorySize {
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MemorySize_4GB = 0,
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MemorySize_6GB = 1,
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MemorySize_8GB = 2,
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};
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enum MemoryArrangement {
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MemoryArrangement_4GB = 0,
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MemoryArrangement_4GBForAppletDev = 1,
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MemoryArrangement_4GBForSystemDev = 2,
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MemoryArrangement_6GB = 3,
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MemoryArrangement_6GBForAppletDev = 4,
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MemoryArrangement_8GB = 5,
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};
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} // namespace Kernel::Board::Nintendo::Nx::Smc
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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);
|
||||
|
||||
// Insert blocks into the tree.
|
||||
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||
physical_memory_base_address, intended_memory_size, KMemoryRegionType_Dram));
|
||||
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||
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 PAddr ktrace_buffer_phys_addr =
|
||||
physical_memory_base_address + intended_memory_size - KTraceBufferSize;
|
||||
ASSERT(memory_layout.GetPhysicalMemoryRegionTree().Insert(
|
||||
ktrace_buffer_phys_addr, KTraceBufferSize, KMemoryRegionType_KernelTraceBuffer));
|
||||
}
|
||||
}
|
||||
|
||||
void SetupPoolPartitionMemoryRegions(KMemoryLayout& memory_layout) {
|
||||
// Start by identifying the extents of the DRAM memory region.
|
||||
const auto dram_extents = memory_layout.GetMainMemoryPhysicalExtents();
|
||||
ASSERT(dram_extents.GetEndAddress() != 0);
|
||||
|
||||
// Determine the end of the pool region.
|
||||
const u64 pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
|
||||
|
||||
// Find the start of the kernel DRAM region.
|
||||
const KMemoryRegion* kernel_dram_region =
|
||||
memory_layout.GetPhysicalMemoryRegionTree().FindFirstDerived(
|
||||
KMemoryRegionType_DramKernelBase);
|
||||
ASSERT(kernel_dram_region != nullptr);
|
||||
|
||||
const u64 kernel_dram_start = kernel_dram_region->GetAddress();
|
||||
ASSERT(Common::IsAligned(kernel_dram_start, CarveoutAlignment));
|
||||
|
||||
// Find the start of the pool partitions region.
|
||||
const KMemoryRegion* pool_partitions_region =
|
||||
memory_layout.GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(
|
||||
KMemoryRegionType_DramPoolPartition, 0);
|
||||
ASSERT(pool_partitions_region != nullptr);
|
||||
const u64 pool_partitions_start = pool_partitions_region->GetAddress();
|
||||
|
||||
// Setup the pool partition layouts.
|
||||
// On 5.0.0+, setup modern 4-pool-partition layout.
|
||||
|
||||
// Get Application and Applet pool sizes.
|
||||
const size_t application_pool_size = KSystemControl::Init::GetApplicationPoolSize();
|
||||
const size_t applet_pool_size = KSystemControl::Init::GetAppletPoolSize();
|
||||
const size_t unsafe_system_pool_min_size =
|
||||
KSystemControl::Init::GetMinimumNonSecureSystemPoolSize();
|
||||
|
||||
// Decide on starting addresses for our pools.
|
||||
const u64 application_pool_start = pool_end - application_pool_size;
|
||||
const u64 applet_pool_start = application_pool_start - applet_pool_size;
|
||||
const u64 unsafe_system_pool_start = std::min(
|
||||
kernel_dram_start + CarveoutSizeMax,
|
||||
Common::AlignDown(applet_pool_start - unsafe_system_pool_min_size, CarveoutAlignment));
|
||||
const size_t unsafe_system_pool_size = applet_pool_start - unsafe_system_pool_start;
|
||||
|
||||
// We want to arrange application pool depending on where the middle of dram is.
|
||||
const u64 dram_midpoint = (dram_extents.GetAddress() + dram_extents.GetEndAddress()) / 2;
|
||||
u32 cur_pool_attr = 0;
|
||||
size_t total_overhead_size = 0;
|
||||
if (dram_extents.GetEndAddress() <= dram_midpoint || dram_midpoint <= application_pool_start) {
|
||||
InsertPoolPartitionRegionIntoBothTrees(
|
||||
memory_layout, application_pool_start, application_pool_size,
|
||||
KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
|
||||
cur_pool_attr);
|
||||
total_overhead_size +=
|
||||
KMemoryManager::CalculateManagementOverheadSize(application_pool_size);
|
||||
} else {
|
||||
const size_t first_application_pool_size = dram_midpoint - application_pool_start;
|
||||
const size_t second_application_pool_size =
|
||||
application_pool_start + application_pool_size - dram_midpoint;
|
||||
InsertPoolPartitionRegionIntoBothTrees(
|
||||
memory_layout, application_pool_start, first_application_pool_size,
|
||||
KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
|
||||
cur_pool_attr);
|
||||
InsertPoolPartitionRegionIntoBothTrees(
|
||||
memory_layout, dram_midpoint, second_application_pool_size,
|
||||
KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool,
|
||||
cur_pool_attr);
|
||||
total_overhead_size +=
|
||||
KMemoryManager::CalculateManagementOverheadSize(first_application_pool_size);
|
||||
total_overhead_size +=
|
||||
KMemoryManager::CalculateManagementOverheadSize(second_application_pool_size);
|
||||
}
|
||||
|
||||
// Insert the applet pool.
|
||||
InsertPoolPartitionRegionIntoBothTrees(memory_layout, applet_pool_start, applet_pool_size,
|
||||
KMemoryRegionType_DramAppletPool,
|
||||
KMemoryRegionType_VirtualDramAppletPool, cur_pool_attr);
|
||||
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(applet_pool_size);
|
||||
|
||||
// Insert the nonsecure system pool.
|
||||
InsertPoolPartitionRegionIntoBothTrees(
|
||||
memory_layout, unsafe_system_pool_start, unsafe_system_pool_size,
|
||||
KMemoryRegionType_DramSystemNonSecurePool, KMemoryRegionType_VirtualDramSystemNonSecurePool,
|
||||
cur_pool_attr);
|
||||
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(unsafe_system_pool_size);
|
||||
|
||||
// Insert the pool management region.
|
||||
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(
|
||||
(unsafe_system_pool_start - pool_partitions_start) - total_overhead_size);
|
||||
const u64 pool_management_start = unsafe_system_pool_start - total_overhead_size;
|
||||
const size_t pool_management_size = total_overhead_size;
|
||||
u32 pool_management_attr = 0;
|
||||
InsertPoolPartitionRegionIntoBothTrees(
|
||||
memory_layout, pool_management_start, pool_management_size,
|
||||
KMemoryRegionType_DramPoolManagement, KMemoryRegionType_VirtualDramPoolManagement,
|
||||
pool_management_attr);
|
||||
|
||||
// Insert the system pool.
|
||||
const u64 system_pool_size = pool_management_start - pool_partitions_start;
|
||||
InsertPoolPartitionRegionIntoBothTrees(memory_layout, pool_partitions_start, system_pool_size,
|
||||
KMemoryRegionType_DramSystemPool,
|
||||
KMemoryRegionType_VirtualDramSystemPool, cur_pool_attr);
|
||||
}
|
||||
|
||||
} // namespace Init
|
||||
|
||||
} // namespace Kernel
|
@ -0,0 +1,166 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <array>
|
||||
|
||||
#include "common/alignment.h"
|
||||
#include "core/hle/kernel/k_memory_layout.h"
|
||||
#include "core/hle/kernel/k_system_control.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
namespace {
|
||||
|
||||
template <typename... Args>
|
||||
KMemoryRegion* AllocateRegion(KMemoryRegionAllocator& memory_region_allocator, Args&&... args) {
|
||||
return memory_region_allocator.Allocate(std::forward<Args>(args)...);
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
KMemoryRegionTree::KMemoryRegionTree(KMemoryRegionAllocator& memory_region_allocator_)
|
||||
: memory_region_allocator{memory_region_allocator_} {}
|
||||
|
||||
void KMemoryRegionTree::InsertDirectly(u64 address, u64 last_address, u32 attr, u32 type_id) {
|
||||
this->insert(*AllocateRegion(memory_region_allocator, address, last_address, attr, type_id));
|
||||
}
|
||||
|
||||
bool KMemoryRegionTree::Insert(u64 address, size_t size, u32 type_id, u32 new_attr, u32 old_attr) {
|
||||
// Locate the memory region that contains the address.
|
||||
KMemoryRegion* found = this->FindModifiable(address);
|
||||
|
||||
// We require that the old attr is correct.
|
||||
if (found->GetAttributes() != old_attr) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// We further require that the region can be split from the old region.
|
||||
const u64 inserted_region_end = address + size;
|
||||
const u64 inserted_region_last = inserted_region_end - 1;
|
||||
if (found->GetLastAddress() < inserted_region_last) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Further, we require that the type id is a valid transformation.
|
||||
if (!found->CanDerive(type_id)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Cache information from the region before we remove it.
|
||||
const u64 old_address = found->GetAddress();
|
||||
const u64 old_last = found->GetLastAddress();
|
||||
const u64 old_pair = found->GetPairAddress();
|
||||
const u32 old_type = found->GetType();
|
||||
|
||||
// Erase the existing region from the tree.
|
||||
this->erase(this->iterator_to(*found));
|
||||
|
||||
// Insert the new region into the tree.
|
||||
if (old_address == address) {
|
||||
// Reuse the old object for the new region, if we can.
|
||||
found->Reset(address, inserted_region_last, old_pair, new_attr, type_id);
|
||||
this->insert(*found);
|
||||
} else {
|
||||
// If we can't re-use, adjust the old region.
|
||||
found->Reset(old_address, address - 1, old_pair, old_attr, old_type);
|
||||
this->insert(*found);
|
||||
|
||||
// Insert a new region for the split.
|
||||
const u64 new_pair = (old_pair != std::numeric_limits<u64>::max())
|
||||
? old_pair + (address - old_address)
|
||||
: old_pair;
|
||||
this->insert(*AllocateRegion(memory_region_allocator, address, inserted_region_last,
|
||||
new_pair, new_attr, type_id));
|
||||
}
|
||||
|
||||
// If we need to insert a region after the region, do so.
|
||||
if (old_last != inserted_region_last) {
|
||||
const u64 after_pair = (old_pair != std::numeric_limits<u64>::max())
|
||||
? old_pair + (inserted_region_end - old_address)
|
||||
: old_pair;
|
||||
this->insert(*AllocateRegion(memory_region_allocator, inserted_region_end, old_last,
|
||||
after_pair, old_attr, old_type));
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
VAddr KMemoryRegionTree::GetRandomAlignedRegion(size_t size, size_t alignment, u32 type_id) {
|
||||
// We want to find the total extents of the type id.
|
||||
const auto extents = this->GetDerivedRegionExtents(static_cast<KMemoryRegionType>(type_id));
|
||||
|
||||
// Ensure that our alignment is correct.
|
||||
ASSERT(Common::IsAligned(extents.GetAddress(), alignment));
|
||||
|
||||
const u64 first_address = extents.GetAddress();
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
KMemoryLayout::KMemoryLayout()
|
||||
: virtual_tree{memory_region_allocator}, physical_tree{memory_region_allocator},
|
||||
virtual_linear_tree{memory_region_allocator}, physical_linear_tree{memory_region_allocator} {}
|
||||
|
||||
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
|
@ -0,0 +1,350 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/common_types.h"
|
||||
#include "common/intrusive_red_black_tree.h"
|
||||
#include "core/hle/kernel/k_memory_region_type.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class KMemoryRegionAllocator;
|
||||
|
||||
class KMemoryRegion final : public Common::IntrusiveRedBlackTreeBaseNode<KMemoryRegion>,
|
||||
NonCopyable {
|
||||
friend class KMemoryRegionTree;
|
||||
|
||||
public:
|
||||
constexpr KMemoryRegion() = default;
|
||||
constexpr KMemoryRegion(u64 address_, u64 last_address_)
|
||||
: address{address_}, last_address{last_address_} {}
|
||||
constexpr KMemoryRegion(u64 address_, u64 last_address_, u64 pair_address_, u32 attributes_,
|
||||
u32 type_id_)
|
||||
: address(address_), last_address(last_address_), pair_address(pair_address_),
|
||||
attributes(attributes_), type_id(type_id_) {}
|
||||
constexpr KMemoryRegion(u64 address_, u64 last_address_, u32 attributes_, u32 type_id_)
|
||||
: KMemoryRegion(address_, last_address_, std::numeric_limits<u64>::max(), attributes_,
|
||||
type_id_) {}
|
||||
|
||||
static constexpr int Compare(const KMemoryRegion& lhs, const KMemoryRegion& rhs) {
|
||||
if (lhs.GetAddress() < rhs.GetAddress()) {
|
||||
return -1;
|
||||
} else if (lhs.GetAddress() <= rhs.GetLastAddress()) {
|
||||
return 0;
|
||||
} else {
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
constexpr void Reset(u64 a, u64 la, u64 p, u32 r, u32 t) {
|
||||
address = a;
|
||||
pair_address = p;
|
||||
last_address = la;
|
||||
attributes = r;
|
||||
type_id = t;
|
||||
}
|
||||
|
||||
public:
|
||||
constexpr u64 GetAddress() const {
|
||||
return address;
|
||||
}
|
||||
|
||||
constexpr u64 GetPairAddress() const {
|
||||
return pair_address;
|
||||
}
|
||||
|
||||
constexpr u64 GetLastAddress() const {
|
||||
return last_address;
|
||||
}
|
||||
|
||||
constexpr u64 GetEndAddress() const {
|
||||
return this->GetLastAddress() + 1;
|
||||
}
|
||||
|
||||
constexpr size_t GetSize() const {
|
||||
return this->GetEndAddress() - this->GetAddress();
|
||||
}
|
||||
|
||||
constexpr u32 GetAttributes() const {
|
||||
return attributes;
|
||||
}
|
||||
|
||||
constexpr u32 GetType() const {
|
||||
return type_id;
|
||||
}
|
||||
|
||||
constexpr void SetType(u32 type) {
|
||||
ASSERT(this->CanDerive(type));
|
||||
type_id = type;
|
||||
}
|
||||
|
||||
constexpr bool Contains(u64 address) const {
|
||||
ASSERT(this->GetEndAddress() != 0);
|
||||
return this->GetAddress() <= address && address <= this->GetLastAddress();
|
||||
}
|
||||
|
||||
constexpr bool IsDerivedFrom(u32 type) const {
|
||||
return (this->GetType() | type) == this->GetType();
|
||||
}
|
||||
|
||||
constexpr bool HasTypeAttribute(u32 attr) const {
|
||||
return (this->GetType() | attr) == this->GetType();
|
||||
}
|
||||
|
||||
constexpr bool CanDerive(u32 type) const {
|
||||
return (this->GetType() | type) == type;
|
||||
}
|
||||
|
||||
constexpr void SetPairAddress(u64 a) {
|
||||
pair_address = a;
|
||||
}
|
||||
|
||||
constexpr void SetTypeAttribute(u32 attr) {
|
||||
type_id |= attr;
|
||||
}
|
||||
|
||||
private:
|
||||
u64 address{};
|
||||
u64 last_address{};
|
||||
u64 pair_address{};
|
||||
u32 attributes{};
|
||||
u32 type_id{};
|
||||
};
|
||||
|
||||
class KMemoryRegionTree final : NonCopyable {
|
||||
public:
|
||||
struct DerivedRegionExtents {
|
||||
const KMemoryRegion* first_region{};
|
||||
const KMemoryRegion* last_region{};
|
||||
|
||||
constexpr DerivedRegionExtents() = default;
|
||||
|
||||
constexpr u64 GetAddress() const {
|
||||
return this->first_region->GetAddress();
|
||||
}
|
||||
|
||||
constexpr u64 GetLastAddress() const {
|
||||
return this->last_region->GetLastAddress();
|
||||
}
|
||||
|
||||
constexpr u64 GetEndAddress() const {
|
||||
return this->GetLastAddress() + 1;
|
||||
}
|
||||
|
||||
constexpr size_t GetSize() const {
|
||||
return this->GetEndAddress() - this->GetAddress();
|
||||
}
|
||||
};
|
||||
|
||||
private:
|
||||
using TreeType =
|
||||
Common::IntrusiveRedBlackTreeBaseTraits<KMemoryRegion>::TreeType<KMemoryRegion>;
|
||||
|
||||
public:
|
||||
using value_type = TreeType::value_type;
|
||||
using size_type = TreeType::size_type;
|
||||
using difference_type = TreeType::difference_type;
|
||||
using pointer = TreeType::pointer;
|
||||
using const_pointer = TreeType::const_pointer;
|
||||
using reference = TreeType::reference;
|
||||
using const_reference = TreeType::const_reference;
|
||||
using iterator = TreeType::iterator;
|
||||
using const_iterator = TreeType::const_iterator;
|
||||
|
||||
private:
|
||||
TreeType m_tree{};
|
||||
KMemoryRegionAllocator& memory_region_allocator;
|
||||
|
||||
public:
|
||||
explicit KMemoryRegionTree(KMemoryRegionAllocator& memory_region_allocator_);
|
||||
|
||||
public:
|
||||
KMemoryRegion* FindModifiable(u64 address) {
|
||||
if (auto it = this->find(KMemoryRegion(address, address, 0, 0)); it != this->end()) {
|
||||
return std::addressof(*it);
|
||||
} else {
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
const KMemoryRegion* Find(u64 address) const {
|
||||
if (auto it = this->find(KMemoryRegion(address, address, 0, 0)); it != this->cend()) {
|
||||
return std::addressof(*it);
|
||||
} else {
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
const KMemoryRegion* FindByType(KMemoryRegionType type_id) const {
|
||||
for (auto it = this->cbegin(); it != this->cend(); ++it) {
|
||||
if (it->GetType() == static_cast<u32>(type_id)) {
|
||||
return std::addressof(*it);
|
||||
}
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
const KMemoryRegion* FindByTypeAndAttribute(u32 type_id, u32 attr) const {
|
||||
for (auto it = this->cbegin(); it != this->cend(); ++it) {
|
||||
if (it->GetType() == type_id && it->GetAttributes() == attr) {
|
||||
return std::addressof(*it);
|
||||
}
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
const KMemoryRegion* FindFirstDerived(KMemoryRegionType type_id) const {
|
||||
for (auto it = this->cbegin(); it != this->cend(); it++) {
|
||||
if (it->IsDerivedFrom(type_id)) {
|
||||
return std::addressof(*it);
|
||||
}
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
const KMemoryRegion* FindLastDerived(KMemoryRegionType type_id) const {
|
||||
const KMemoryRegion* region = nullptr;
|
||||
for (auto it = this->begin(); it != this->end(); it++) {
|
||||
if (it->IsDerivedFrom(type_id)) {
|
||||
region = std::addressof(*it);
|
||||
}
|
||||
}
|
||||
return region;
|
||||
}
|
||||
|
||||
DerivedRegionExtents GetDerivedRegionExtents(KMemoryRegionType type_id) const {
|
||||
DerivedRegionExtents extents;
|
||||
|
||||
ASSERT(extents.first_region == nullptr);
|
||||
ASSERT(extents.last_region == nullptr);
|
||||
|
||||
for (auto it = this->cbegin(); it != this->cend(); it++) {
|
||||
if (it->IsDerivedFrom(type_id)) {
|
||||
if (extents.first_region == nullptr) {
|
||||
extents.first_region = std::addressof(*it);
|
||||
}
|
||||
extents.last_region = std::addressof(*it);
|
||||
}
|
||||
}
|
||||
|
||||
ASSERT(extents.first_region != nullptr);
|
||||
ASSERT(extents.last_region != nullptr);
|
||||
|
||||
return extents;
|
||||
}
|
||||
|
||||
DerivedRegionExtents GetDerivedRegionExtents(u32 type_id) const {
|
||||
return GetDerivedRegionExtents(static_cast<KMemoryRegionType>(type_id));
|
||||
}
|
||||
|
||||
public:
|
||||
void InsertDirectly(u64 address, u64 last_address, u32 attr = 0, u32 type_id = 0);
|
||||
bool Insert(u64 address, size_t size, u32 type_id, u32 new_attr = 0, u32 old_attr = 0);
|
||||
|
||||
VAddr GetRandomAlignedRegion(size_t size, size_t alignment, u32 type_id);
|
||||
|
||||
VAddr GetRandomAlignedRegionWithGuard(size_t size, size_t alignment, u32 type_id,
|
||||
size_t guard_size) {
|
||||
return this->GetRandomAlignedRegion(size + 2 * guard_size, alignment, type_id) + guard_size;
|
||||
}
|
||||
|
||||
public:
|
||||
// Iterator accessors.
|
||||
iterator begin() {
|
||||
return m_tree.begin();
|
||||
}
|
||||
|
||||
const_iterator begin() const {
|
||||
return m_tree.begin();
|
||||
}
|
||||
|
||||
iterator end() {
|
||||
return m_tree.end();
|
||||
}
|
||||
|
||||
const_iterator end() const {
|
||||
return m_tree.end();
|
||||
}
|
||||
|
||||
const_iterator cbegin() const {
|
||||
return this->begin();
|
||||
}
|
||||
|
||||
const_iterator cend() const {
|
||||
return this->end();
|
||||
}
|
||||
|
||||
iterator iterator_to(reference ref) {
|
||||
return m_tree.iterator_to(ref);
|
||||
}
|
||||
|
||||
const_iterator iterator_to(const_reference ref) const {
|
||||
return m_tree.iterator_to(ref);
|
||||
}
|
||||
|
||||
// Content management.
|
||||
bool empty() const {
|
||||
return m_tree.empty();
|
||||
}
|
||||
|
||||
reference back() {
|
||||
return m_tree.back();
|
||||
}
|
||||
|
||||
const_reference back() const {
|
||||
return m_tree.back();
|
||||
}
|
||||
|
||||
reference front() {
|
||||
return m_tree.front();
|
||||
}
|
||||
|
||||
const_reference front() const {
|
||||
return m_tree.front();
|
||||
}
|
||||
|
||||
iterator insert(reference ref) {
|
||||
return m_tree.insert(ref);
|
||||
}
|
||||
|
||||
iterator erase(iterator it) {
|
||||
return m_tree.erase(it);
|
||||
}
|
||||
|
||||
iterator find(const_reference ref) const {
|
||||
return m_tree.find(ref);
|
||||
}
|
||||
|
||||
iterator nfind(const_reference ref) const {
|
||||
return m_tree.nfind(ref);
|
||||
}
|
||||
};
|
||||
|
||||
class KMemoryRegionAllocator final : NonCopyable {
|
||||
public:
|
||||
static constexpr size_t MaxMemoryRegions = 200;
|
||||
|
||||
constexpr KMemoryRegionAllocator() = default;
|
||||
|
||||
template <typename... Args>
|
||||
KMemoryRegion* Allocate(Args&&... args) {
|
||||
// Ensure we stay within the bounds of our heap.
|
||||
ASSERT(this->num_regions < MaxMemoryRegions);
|
||||
|
||||
// Create the new region.
|
||||
KMemoryRegion* region = std::addressof(this->region_heap[this->num_regions++]);
|
||||
new (region) KMemoryRegion(std::forward<Args>(args)...);
|
||||
|
||||
return region;
|
||||
}
|
||||
|
||||
private:
|
||||
std::array<KMemoryRegion, MaxMemoryRegions> region_heap{};
|
||||
size_t num_regions{};
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
@ -0,0 +1,338 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/bit_util.h"
|
||||
#include "common/common_funcs.h"
|
||||
#include "common/common_types.h"
|
||||
|
||||
#define ARCH_ARM64
|
||||
#define BOARD_NINTENDO_NX
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
enum KMemoryRegionType : u32 {
|
||||
KMemoryRegionAttr_CarveoutProtected = 0x04000000,
|
||||
KMemoryRegionAttr_DidKernelMap = 0x08000000,
|
||||
KMemoryRegionAttr_ShouldKernelMap = 0x10000000,
|
||||
KMemoryRegionAttr_UserReadOnly = 0x20000000,
|
||||
KMemoryRegionAttr_NoUserMap = 0x40000000,
|
||||
KMemoryRegionAttr_LinearMapped = 0x80000000,
|
||||
};
|
||||
DECLARE_ENUM_FLAG_OPERATORS(KMemoryRegionType);
|
||||
|
||||
namespace impl {
|
||||
|
||||
constexpr size_t BitsForDeriveSparse(size_t n) {
|
||||
return n + 1;
|
||||
}
|
||||
|
||||
constexpr size_t BitsForDeriveDense(size_t n) {
|
||||
size_t low = 0, high = 1;
|
||||
for (size_t i = 0; i < n - 1; ++i) {
|
||||
if ((++low) == high) {
|
||||
++high;
|
||||
low = 0;
|
||||
}
|
||||
}
|
||||
return high + 1;
|
||||
}
|
||||
|
||||
class KMemoryRegionTypeValue {
|
||||
public:
|
||||
using ValueType = std::underlying_type_t<KMemoryRegionType>;
|
||||
|
||||
constexpr KMemoryRegionTypeValue() = default;
|
||||
|
||||
constexpr operator KMemoryRegionType() const {
|
||||
return static_cast<KMemoryRegionType>(m_value);
|
||||
}
|
||||
|
||||
constexpr ValueType GetValue() const {
|
||||
return m_value;
|
||||
}
|
||||
|
||||
constexpr const KMemoryRegionTypeValue& Finalize() {
|
||||
m_finalized = true;
|
||||
return *this;
|
||||
}
|
||||
|
||||
constexpr const KMemoryRegionTypeValue& SetSparseOnly() {
|
||||
m_sparse_only = true;
|
||||
return *this;
|
||||
}
|
||||
|
||||
constexpr const KMemoryRegionTypeValue& SetDenseOnly() {
|
||||
m_dense_only = true;
|
||||
return *this;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue& SetAttribute(u32 attr) {
|
||||
m_value |= attr;
|
||||
return *this;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue DeriveInitial(
|
||||
size_t i, size_t next = Common::BitSize<ValueType>()) const {
|
||||
KMemoryRegionTypeValue new_type = *this;
|
||||
new_type.m_value = (ValueType{1} << i);
|
||||
new_type.m_next_bit = next;
|
||||
return new_type;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue DeriveAttribute(u32 attr) const {
|
||||
KMemoryRegionTypeValue new_type = *this;
|
||||
new_type.m_value |= attr;
|
||||
return new_type;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue DeriveTransition(size_t ofs = 0, size_t adv = 1) const {
|
||||
KMemoryRegionTypeValue new_type = *this;
|
||||
new_type.m_value |= (ValueType{1} << (m_next_bit + ofs));
|
||||
new_type.m_next_bit += adv;
|
||||
return new_type;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue DeriveSparse(size_t ofs, size_t n, size_t i) const {
|
||||
KMemoryRegionTypeValue new_type = *this;
|
||||
new_type.m_value |= (ValueType{1} << (m_next_bit + ofs));
|
||||
new_type.m_value |= (ValueType{1} << (m_next_bit + ofs + 1 + i));
|
||||
new_type.m_next_bit += ofs + n + 1;
|
||||
return new_type;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue Derive(size_t n, size_t i) const {
|
||||
size_t low = 0, high = 1;
|
||||
for (size_t j = 0; j < i; ++j) {
|
||||
if ((++low) == high) {
|
||||
++high;
|
||||
low = 0;
|
||||
}
|
||||
}
|
||||
|
||||
KMemoryRegionTypeValue new_type = *this;
|
||||
new_type.m_value |= (ValueType{1} << (m_next_bit + low));
|
||||
new_type.m_value |= (ValueType{1} << (m_next_bit + high));
|
||||
new_type.m_next_bit += BitsForDeriveDense(n);
|
||||
return new_type;
|
||||
}
|
||||
|
||||
constexpr KMemoryRegionTypeValue Advance(size_t n) const {
|
||||
KMemoryRegionTypeValue new_type = *this;
|
||||
new_type.m_next_bit += n;
|
||||
return new_type;
|
||||
}
|
||||
|
||||
constexpr bool IsAncestorOf(ValueType v) const {
|
||||
return (m_value | v) == v;
|
||||
}
|
||||
|
||||
private:
|
||||
constexpr KMemoryRegionTypeValue(ValueType v) : m_value(v) {}
|
||||
|
||||
private:
|
||||
ValueType m_value{};
|
||||
size_t m_next_bit{};
|
||||
bool m_finalized{};
|
||||
bool m_sparse_only{};
|
||||
bool m_dense_only{};
|
||||
};
|
||||
|
||||
} // namespace impl
|
||||
|
||||
constexpr auto KMemoryRegionType_None = impl::KMemoryRegionTypeValue();
|
||||
constexpr auto KMemoryRegionType_Kernel = KMemoryRegionType_None.DeriveInitial(0, 2);
|
||||
constexpr auto KMemoryRegionType_Dram = KMemoryRegionType_None.DeriveInitial(1, 2);
|
||||
static_assert(KMemoryRegionType_Kernel.GetValue() == 0x1);
|
||||
static_assert(KMemoryRegionType_Dram.GetValue() == 0x2);
|
||||
|
||||
constexpr auto KMemoryRegionType_DramKernelBase =
|
||||
KMemoryRegionType_Dram.DeriveSparse(0, 3, 0)
|
||||
.SetAttribute(KMemoryRegionAttr_NoUserMap)
|
||||
.SetAttribute(KMemoryRegionAttr_CarveoutProtected);
|
||||
constexpr auto KMemoryRegionType_DramReservedBase = KMemoryRegionType_Dram.DeriveSparse(0, 3, 1);
|
||||
constexpr auto KMemoryRegionType_DramHeapBase =
|
||||
KMemoryRegionType_Dram.DeriveSparse(0, 3, 2).SetAttribute(KMemoryRegionAttr_LinearMapped);
|
||||
static_assert(KMemoryRegionType_DramKernelBase.GetValue() ==
|
||||
(0xE | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap));
|
||||
static_assert(KMemoryRegionType_DramReservedBase.GetValue() == (0x16));
|
||||
static_assert(KMemoryRegionType_DramHeapBase.GetValue() == (0x26 | KMemoryRegionAttr_LinearMapped));
|
||||
|
||||
constexpr auto KMemoryRegionType_DramKernelCode =
|
||||
KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 0);
|
||||
constexpr auto KMemoryRegionType_DramKernelSlab =
|
||||
KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 1);
|
||||
constexpr auto KMemoryRegionType_DramKernelPtHeap =
|
||||
KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 2).SetAttribute(
|
||||
KMemoryRegionAttr_LinearMapped);
|
||||
constexpr auto KMemoryRegionType_DramKernelInitPt =
|
||||
KMemoryRegionType_DramKernelBase.DeriveSparse(0, 4, 3).SetAttribute(
|
||||
KMemoryRegionAttr_LinearMapped);
|
||||
static_assert(KMemoryRegionType_DramKernelCode.GetValue() ==
|
||||
(0xCE | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap));
|
||||
static_assert(KMemoryRegionType_DramKernelSlab.GetValue() ==
|
||||
(0x14E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap));
|
||||
static_assert(KMemoryRegionType_DramKernelPtHeap.GetValue() ==
|
||||
(0x24E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap |
|
||||
KMemoryRegionAttr_LinearMapped));
|
||||
static_assert(KMemoryRegionType_DramKernelInitPt.GetValue() ==
|
||||
(0x44E | KMemoryRegionAttr_CarveoutProtected | KMemoryRegionAttr_NoUserMap |
|
||||
KMemoryRegionAttr_LinearMapped));
|
||||
|
||||
constexpr auto KMemoryRegionType_DramReservedEarly =
|
||||
KMemoryRegionType_DramReservedBase.DeriveAttribute(KMemoryRegionAttr_NoUserMap);
|
||||
static_assert(KMemoryRegionType_DramReservedEarly.GetValue() ==
|
||||
(0x16 | KMemoryRegionAttr_NoUserMap));
|
||||
|
||||
constexpr auto KMemoryRegionType_KernelTraceBuffer =
|
||||
KMemoryRegionType_DramReservedBase.DeriveSparse(0, 3, 0)
|
||||
.SetAttribute(KMemoryRegionAttr_LinearMapped)
|
||||
.SetAttribute(KMemoryRegionAttr_UserReadOnly);
|
||||
constexpr auto KMemoryRegionType_OnMemoryBootImage =
|
||||
KMemoryRegionType_DramReservedBase.DeriveSparse(0, 3, 1);
|
||||
constexpr auto KMemoryRegionType_DTB = KMemoryRegionType_DramReservedBase.DeriveSparse(0, 3, 2);
|
||||
static_assert(KMemoryRegionType_KernelTraceBuffer.GetValue() ==
|
||||
(0xD6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_UserReadOnly));
|
||||
static_assert(KMemoryRegionType_OnMemoryBootImage.GetValue() == 0x156);
|
||||
static_assert(KMemoryRegionType_DTB.GetValue() == 0x256);
|
||||
|
||||
constexpr auto KMemoryRegionType_DramPoolPartition =
|
||||
KMemoryRegionType_DramHeapBase.DeriveAttribute(KMemoryRegionAttr_NoUserMap);
|
||||
static_assert(KMemoryRegionType_DramPoolPartition.GetValue() ==
|
||||
(0x26 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
|
||||
|
||||
constexpr auto KMemoryRegionType_DramPoolManagement =
|
||||
KMemoryRegionType_DramPoolPartition.DeriveTransition(0, 2).DeriveTransition().SetAttribute(
|
||||
KMemoryRegionAttr_CarveoutProtected);
|
||||
constexpr auto KMemoryRegionType_DramUserPool =
|
||||
KMemoryRegionType_DramPoolPartition.DeriveTransition(1, 2).DeriveTransition();
|
||||
static_assert(KMemoryRegionType_DramPoolManagement.GetValue() ==
|
||||
(0x166 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap |
|
||||
KMemoryRegionAttr_CarveoutProtected));
|
||||
static_assert(KMemoryRegionType_DramUserPool.GetValue() ==
|
||||
(0x1A6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
|
||||
|
||||
constexpr auto KMemoryRegionType_DramApplicationPool = KMemoryRegionType_DramUserPool.Derive(4, 0);
|
||||
constexpr auto KMemoryRegionType_DramAppletPool = KMemoryRegionType_DramUserPool.Derive(4, 1);
|
||||
constexpr auto KMemoryRegionType_DramSystemNonSecurePool =
|
||||
KMemoryRegionType_DramUserPool.Derive(4, 2);
|
||||
constexpr auto KMemoryRegionType_DramSystemPool =
|
||||
KMemoryRegionType_DramUserPool.Derive(4, 3).SetAttribute(KMemoryRegionAttr_CarveoutProtected);
|
||||
static_assert(KMemoryRegionType_DramApplicationPool.GetValue() ==
|
||||
(0x7A6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
|
||||
static_assert(KMemoryRegionType_DramAppletPool.GetValue() ==
|
||||
(0xBA6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
|
||||
static_assert(KMemoryRegionType_DramSystemNonSecurePool.GetValue() ==
|
||||
(0xDA6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap));
|
||||
static_assert(KMemoryRegionType_DramSystemPool.GetValue() ==
|
||||
(0x13A6 | KMemoryRegionAttr_LinearMapped | KMemoryRegionAttr_NoUserMap |
|
||||
KMemoryRegionAttr_CarveoutProtected));
|
||||
|
||||
constexpr auto KMemoryRegionType_VirtualDramHeapBase = KMemoryRegionType_Dram.DeriveSparse(1, 3, 0);
|
||||
constexpr auto KMemoryRegionType_VirtualDramKernelPtHeap =
|
||||
KMemoryRegionType_Dram.DeriveSparse(1, 3, 1);
|
||||
constexpr auto KMemoryRegionType_VirtualDramKernelTraceBuffer =
|
||||
KMemoryRegionType_Dram.DeriveSparse(1, 3, 2);
|
||||
static_assert(KMemoryRegionType_VirtualDramHeapBase.GetValue() == 0x1A);
|
||||
static_assert(KMemoryRegionType_VirtualDramKernelPtHeap.GetValue() == 0x2A);
|
||||
static_assert(KMemoryRegionType_VirtualDramKernelTraceBuffer.GetValue() == 0x4A);
|
||||
|
||||
constexpr auto KMemoryRegionType_VirtualDramKernelInitPt =
|
||||
KMemoryRegionType_VirtualDramHeapBase.Derive(3, 0);
|
||||
constexpr auto KMemoryRegionType_VirtualDramPoolManagement =
|
||||
KMemoryRegionType_VirtualDramHeapBase.Derive(3, 1);
|
||||
constexpr auto KMemoryRegionType_VirtualDramUserPool =
|
||||
KMemoryRegionType_VirtualDramHeapBase.Derive(3, 2);
|
||||
static_assert(KMemoryRegionType_VirtualDramKernelInitPt.GetValue() == 0x19A);
|
||||
static_assert(KMemoryRegionType_VirtualDramPoolManagement.GetValue() == 0x29A);
|
||||
static_assert(KMemoryRegionType_VirtualDramUserPool.GetValue() == 0x31A);
|
||||
|
||||
// NOTE: For unknown reason, the pools are derived out-of-order here. It's worth eventually trying
|
||||
// to understand why Nintendo made this choice.
|
||||
// UNUSED: .Derive(6, 0);
|
||||
// UNUSED: .Derive(6, 1);
|
||||
constexpr auto KMemoryRegionType_VirtualDramAppletPool =
|
||||
KMemoryRegionType_VirtualDramUserPool.Derive(6, 2);
|
||||
constexpr auto KMemoryRegionType_VirtualDramApplicationPool =
|
||||
KMemoryRegionType_VirtualDramUserPool.Derive(6, 3);
|
||||
constexpr auto KMemoryRegionType_VirtualDramSystemNonSecurePool =
|
||||
KMemoryRegionType_VirtualDramUserPool.Derive(6, 4);
|
||||
constexpr auto KMemoryRegionType_VirtualDramSystemPool =
|
||||
KMemoryRegionType_VirtualDramUserPool.Derive(6, 5);
|
||||
static_assert(KMemoryRegionType_VirtualDramAppletPool.GetValue() == 0x1B1A);
|
||||
static_assert(KMemoryRegionType_VirtualDramApplicationPool.GetValue() == 0x271A);
|
||||
static_assert(KMemoryRegionType_VirtualDramSystemNonSecurePool.GetValue() == 0x2B1A);
|
||||
static_assert(KMemoryRegionType_VirtualDramSystemPool.GetValue() == 0x331A);
|
||||
|
||||
constexpr auto KMemoryRegionType_ArchDeviceBase =
|
||||
KMemoryRegionType_Kernel.DeriveTransition(0, 1).SetSparseOnly();
|
||||
constexpr auto KMemoryRegionType_BoardDeviceBase =
|
||||
KMemoryRegionType_Kernel.DeriveTransition(0, 2).SetDenseOnly();
|
||||
static_assert(KMemoryRegionType_ArchDeviceBase.GetValue() == 0x5);
|
||||
static_assert(KMemoryRegionType_BoardDeviceBase.GetValue() == 0x5);
|
||||
|
||||
#if defined(ARCH_ARM64)
|
||||
#include "core/hle/kernel/arch/arm64/k_memory_region_device_types.inc"
|
||||
#elif defined(ARCH_ARM)
|
||||
#error "Unimplemented"
|
||||
#else
|
||||
// Default to no architecture devices.
|
||||
constexpr auto NumArchitectureDeviceRegions = 0;
|
||||
#endif
|
||||
static_assert(NumArchitectureDeviceRegions >= 0);
|
||||
|
||||
#if defined(BOARD_NINTENDO_NX)
|
||||
#include "core/hle/kernel/board/nintendo/nx/k_memory_region_device_types.inc"
|
||||
#else
|
||||
// Default to no board devices.
|
||||
constexpr auto NumBoardDeviceRegions = 0;
|
||||
#endif
|
||||
static_assert(NumBoardDeviceRegions >= 0);
|
||||
|
||||
constexpr auto KMemoryRegionType_KernelCode = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 0);
|
||||
constexpr auto KMemoryRegionType_KernelStack = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 1);
|
||||
constexpr auto KMemoryRegionType_KernelMisc = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 2);
|
||||
constexpr auto KMemoryRegionType_KernelSlab = KMemoryRegionType_Kernel.DeriveSparse(1, 4, 3);
|
||||
static_assert(KMemoryRegionType_KernelCode.GetValue() == 0x19);
|
||||
static_assert(KMemoryRegionType_KernelStack.GetValue() == 0x29);
|
||||
static_assert(KMemoryRegionType_KernelMisc.GetValue() == 0x49);
|
||||
static_assert(KMemoryRegionType_KernelSlab.GetValue() == 0x89);
|
||||
|
||||
constexpr auto KMemoryRegionType_KernelMiscDerivedBase =
|
||||
KMemoryRegionType_KernelMisc.DeriveTransition();
|
||||
static_assert(KMemoryRegionType_KernelMiscDerivedBase.GetValue() == 0x149);
|
||||
|
||||
// UNUSED: .Derive(7, 0);
|
||||
constexpr auto KMemoryRegionType_KernelMiscMainStack =
|
||||
KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 1);
|
||||
constexpr auto KMemoryRegionType_KernelMiscMappedDevice =
|
||||
KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 2);
|
||||
constexpr auto KMemoryRegionType_KernelMiscExceptionStack =
|
||||
KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 3);
|
||||
constexpr auto KMemoryRegionType_KernelMiscUnknownDebug =
|
||||
KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 4);
|
||||
// UNUSED: .Derive(7, 5);
|
||||
constexpr auto KMemoryRegionType_KernelMiscIdleStack =
|
||||
KMemoryRegionType_KernelMiscDerivedBase.Derive(7, 6);
|
||||
static_assert(KMemoryRegionType_KernelMiscMainStack.GetValue() == 0xB49);
|
||||
static_assert(KMemoryRegionType_KernelMiscMappedDevice.GetValue() == 0xD49);
|
||||
static_assert(KMemoryRegionType_KernelMiscExceptionStack.GetValue() == 0x1349);
|
||||
static_assert(KMemoryRegionType_KernelMiscUnknownDebug.GetValue() == 0x1549);
|
||||
static_assert(KMemoryRegionType_KernelMiscIdleStack.GetValue() == 0x2349);
|
||||
|
||||
constexpr auto KMemoryRegionType_KernelTemp = KMemoryRegionType_Kernel.Advance(2).Derive(2, 0);
|
||||
static_assert(KMemoryRegionType_KernelTemp.GetValue() == 0x31);
|
||||
|
||||
constexpr KMemoryRegionType GetTypeForVirtualLinearMapping(u32 type_id) {
|
||||
if (KMemoryRegionType_KernelTraceBuffer.IsAncestorOf(type_id)) {
|
||||
return KMemoryRegionType_VirtualDramKernelTraceBuffer;
|
||||
} else if (KMemoryRegionType_DramKernelPtHeap.IsAncestorOf(type_id)) {
|
||||
return KMemoryRegionType_VirtualDramKernelPtHeap;
|
||||
} else {
|
||||
return KMemoryRegionType_Dram;
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
@ -1,42 +0,0 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <random>
|
||||
|
||||
#include "core/hle/kernel/k_system_control.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
namespace {
|
||||
template <typename F>
|
||||
u64 GenerateUniformRange(u64 min, u64 max, F f) {
|
||||
// Handle the case where the difference is too large to represent.
|
||||
if (max == std::numeric_limits<u64>::max() && min == std::numeric_limits<u64>::min()) {
|
||||
return f();
|
||||
}
|
||||
|
||||
// Iterate until we get a value in range.
|
||||
const u64 range_size = ((max + 1) - min);
|
||||
const u64 effective_max = (std::numeric_limits<u64>::max() / range_size) * range_size;
|
||||
while (true) {
|
||||
if (const u64 rnd = f(); rnd < effective_max) {
|
||||
return min + (rnd % range_size);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} // Anonymous namespace
|
||||
|
||||
u64 KSystemControl::GenerateRandomU64() {
|
||||
static std::random_device device;
|
||||
static std::mt19937 gen(device());
|
||||
static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
|
||||
return distribution(gen);
|
||||
}
|
||||
|
||||
u64 KSystemControl::GenerateRandomRange(u64 min, u64 max) {
|
||||
return GenerateUniformRange(min, max, GenerateRandomU64);
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
@ -0,0 +1,12 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
constexpr bool IsKTraceEnabled = false;
|
||||
constexpr std::size_t KTraceBufferSize = IsKTraceEnabled ? 16 * 1024 * 1024 : 0;
|
||||
|
||||
} // namespace Kernel
|
Loading…
Reference in New Issue