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-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/hardware_properties.h20
-rw-r--r--src/core/hle/kernel/k_capabilities.cpp358
-rw-r--r--src/core/hle/kernel/k_capabilities.h295
-rw-r--r--src/core/hle/kernel/svc_types.h5
-rw-r--r--src/core/hle/kernel/svc_version.h58
6 files changed, 738 insertions, 0 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 5afdeb5ff..3eee1cfbe 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -182,6 +182,8 @@ add_library(core STATIC
hle/kernel/k_auto_object_container.cpp
hle/kernel/k_auto_object_container.h
hle/kernel/k_affinity_mask.h
+ hle/kernel/k_capabilities.cpp
+ hle/kernel/k_capabilities.h
hle/kernel/k_class_token.cpp
hle/kernel/k_class_token.h
hle/kernel/k_client_port.cpp
diff --git a/src/core/hardware_properties.h b/src/core/hardware_properties.h
index 13cbdb734..45567b840 100644
--- a/src/core/hardware_properties.h
+++ b/src/core/hardware_properties.h
@@ -25,6 +25,26 @@ constexpr std::array<s32, Common::BitSize<u64>()> VirtualToPhysicalCoreMap{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
};
+static constexpr inline size_t NumVirtualCores = Common::BitSize<u64>();
+
+static constexpr inline u64 VirtualCoreMask = [] {
+ u64 mask = 0;
+ for (size_t i = 0; i < NumVirtualCores; ++i) {
+ mask |= (UINT64_C(1) << i);
+ }
+ return mask;
+}();
+
+static constexpr inline u64 ConvertVirtualCoreMaskToPhysical(u64 v_core_mask) {
+ u64 p_core_mask = 0;
+ while (v_core_mask != 0) {
+ const u64 next = std::countr_zero(v_core_mask);
+ v_core_mask &= ~(static_cast<u64>(1) << next);
+ p_core_mask |= (static_cast<u64>(1) << VirtualToPhysicalCoreMap[next]);
+ }
+ return p_core_mask;
+}
+
// Cortex-A57 supports 4 memory watchpoints
constexpr u64 NUM_WATCHPOINTS = 4;
diff --git a/src/core/hle/kernel/k_capabilities.cpp b/src/core/hle/kernel/k_capabilities.cpp
new file mode 100644
index 000000000..64f1d7371
--- /dev/null
+++ b/src/core/hle/kernel/k_capabilities.cpp
@@ -0,0 +1,358 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hardware_properties.h"
+#include "core/hle/kernel/k_capabilities.h"
+#include "core/hle/kernel/k_memory_layout.h"
+#include "core/hle/kernel/k_page_table.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc_results.h"
+#include "core/hle/kernel/svc_version.h"
+
+namespace Kernel {
+
+Result KCapabilities::InitializeForKIP(std::span<const u32> kern_caps, KPageTable* page_table) {
+ // We're initializing an initial process.
+ m_svc_access_flags.reset();
+ m_irq_access_flags.reset();
+ m_debug_capabilities = 0;
+ m_handle_table_size = 0;
+ m_intended_kernel_version = 0;
+ m_program_type = 0;
+
+ // Initial processes may run on all cores.
+ constexpr u64 VirtMask = Core::Hardware::VirtualCoreMask;
+ constexpr u64 PhysMask = Core::Hardware::ConvertVirtualCoreMaskToPhysical(VirtMask);
+
+ m_core_mask = VirtMask;
+ m_phys_core_mask = PhysMask;
+
+ // Initial processes may use any user priority they like.
+ m_priority_mask = ~0xFULL;
+
+ // Here, Nintendo sets the kernel version to the current kernel version.
+ // We will follow suit and set the version to the highest supported kernel version.
+ KernelVersion intended_kernel_version{};
+ intended_kernel_version.major_version.Assign(Svc::SupportedKernelMajorVersion);
+ intended_kernel_version.minor_version.Assign(Svc::SupportedKernelMinorVersion);
+ m_intended_kernel_version = intended_kernel_version.raw;
+
+ // Parse the capabilities array.
+ R_RETURN(this->SetCapabilities(kern_caps, page_table));
+}
+
+Result KCapabilities::InitializeForUser(std::span<const u32> user_caps, KPageTable* page_table) {
+ // We're initializing a user process.
+ m_svc_access_flags.reset();
+ m_irq_access_flags.reset();
+ m_debug_capabilities = 0;
+ m_handle_table_size = 0;
+ m_intended_kernel_version = 0;
+ m_program_type = 0;
+
+ // User processes must specify what cores/priorities they can use.
+ m_core_mask = 0;
+ m_priority_mask = 0;
+
+ // Parse the user capabilities array.
+ R_RETURN(this->SetCapabilities(user_caps, page_table));
+}
+
+Result KCapabilities::SetCorePriorityCapability(const u32 cap) {
+ // We can't set core/priority if we've already set them.
+ R_UNLESS(m_core_mask == 0, ResultInvalidArgument);
+ R_UNLESS(m_priority_mask == 0, ResultInvalidArgument);
+
+ // Validate the core/priority.
+ CorePriority pack{cap};
+ const u32 min_core = pack.minimum_core_id;
+ const u32 max_core = pack.maximum_core_id;
+ const u32 max_prio = pack.lowest_thread_priority;
+ const u32 min_prio = pack.highest_thread_priority;
+
+ R_UNLESS(min_core <= max_core, ResultInvalidCombination);
+ R_UNLESS(min_prio <= max_prio, ResultInvalidCombination);
+ R_UNLESS(max_core < Core::Hardware::NumVirtualCores, ResultInvalidCoreId);
+
+ ASSERT(max_prio < Common::BitSize<u64>());
+
+ // Set core mask.
+ for (auto core_id = min_core; core_id <= max_core; core_id++) {
+ m_core_mask |= (1ULL << core_id);
+ }
+ ASSERT((m_core_mask & Core::Hardware::VirtualCoreMask) == m_core_mask);
+
+ // Set physical core mask.
+ m_phys_core_mask = Core::Hardware::ConvertVirtualCoreMaskToPhysical(m_core_mask);
+
+ // Set priority mask.
+ for (auto prio = min_prio; prio <= max_prio; prio++) {
+ m_priority_mask |= (1ULL << prio);
+ }
+
+ // We must have some core/priority we can use.
+ R_UNLESS(m_core_mask != 0, ResultInvalidArgument);
+ R_UNLESS(m_priority_mask != 0, ResultInvalidArgument);
+
+ // Processes must not have access to kernel thread priorities.
+ R_UNLESS((m_priority_mask & 0xF) == 0, ResultInvalidArgument);
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::SetSyscallMaskCapability(const u32 cap, u32& set_svc) {
+ // Validate the index.
+ SyscallMask pack{cap};
+ const u32 mask = pack.mask;
+ const u32 index = pack.index;
+
+ const u32 index_flag = (1U << index);
+ R_UNLESS((set_svc & index_flag) == 0, ResultInvalidCombination);
+ set_svc |= index_flag;
+
+ // Set SVCs.
+ for (size_t i = 0; i < decltype(SyscallMask::mask)::bits; i++) {
+ const u32 svc_id = static_cast<u32>(decltype(SyscallMask::mask)::bits * index + i);
+ if (mask & (1U << i)) {
+ R_UNLESS(this->SetSvcAllowed(svc_id), ResultOutOfRange);
+ }
+ }
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::MapRange_(const u32 cap, const u32 size_cap, KPageTable* page_table) {
+ const auto range_pack = MapRange{cap};
+ const auto size_pack = MapRangeSize{size_cap};
+
+ // Get/validate address/size
+ const u64 phys_addr = range_pack.address.Value() * PageSize;
+
+ // Validate reserved bits are unused.
+ R_UNLESS(size_pack.reserved.Value() == 0, ResultOutOfRange);
+
+ const size_t num_pages = size_pack.pages;
+ const size_t size = num_pages * PageSize;
+ R_UNLESS(num_pages != 0, ResultInvalidSize);
+ R_UNLESS(phys_addr < phys_addr + size, ResultInvalidAddress);
+ R_UNLESS(((phys_addr + size - 1) & ~PhysicalMapAllowedMask) == 0, ResultInvalidAddress);
+
+ // Do the mapping.
+ [[maybe_unused]] const KMemoryPermission perm = range_pack.read_only.Value()
+ ? KMemoryPermission::UserRead
+ : KMemoryPermission::UserReadWrite;
+ if (MapRangeSize{size_cap}.normal) {
+ // R_RETURN(page_table->MapStatic(phys_addr, size, perm));
+ } else {
+ // R_RETURN(page_table->MapIo(phys_addr, size, perm));
+ }
+
+ UNIMPLEMENTED();
+ R_SUCCEED();
+}
+
+Result KCapabilities::MapIoPage_(const u32 cap, KPageTable* page_table) {
+ // Get/validate address/size
+ const u64 phys_addr = MapIoPage{cap}.address.Value() * PageSize;
+ const size_t num_pages = 1;
+ const size_t size = num_pages * PageSize;
+ R_UNLESS(num_pages != 0, ResultInvalidSize);
+ R_UNLESS(phys_addr < phys_addr + size, ResultInvalidAddress);
+ R_UNLESS(((phys_addr + size - 1) & ~PhysicalMapAllowedMask) == 0, ResultInvalidAddress);
+
+ // Do the mapping.
+ // R_RETURN(page_table->MapIo(phys_addr, size, KMemoryPermission_UserReadWrite));
+
+ UNIMPLEMENTED();
+ R_SUCCEED();
+}
+
+template <typename F>
+Result KCapabilities::ProcessMapRegionCapability(const u32 cap, F f) {
+ // Define the allowed memory regions.
+ constexpr std::array<KMemoryRegionType, 4> MemoryRegions{
+ KMemoryRegionType_None,
+ KMemoryRegionType_KernelTraceBuffer,
+ KMemoryRegionType_OnMemoryBootImage,
+ KMemoryRegionType_DTB,
+ };
+
+ // Extract regions/read only.
+ const MapRegion pack{cap};
+ const std::array<RegionType, 3> types{pack.region0, pack.region1, pack.region2};
+ const std::array<u32, 3> ro{pack.read_only0, pack.read_only1, pack.read_only2};
+
+ for (size_t i = 0; i < types.size(); i++) {
+ const auto type = types[i];
+ const auto perm = ro[i] ? KMemoryPermission::UserRead : KMemoryPermission::UserReadWrite;
+ switch (type) {
+ case RegionType::NoMapping:
+ break;
+ case RegionType::KernelTraceBuffer:
+ case RegionType::OnMemoryBootImage:
+ case RegionType::DTB:
+ R_TRY(f(MemoryRegions[static_cast<u32>(type)], perm));
+ break;
+ default:
+ R_THROW(ResultNotFound);
+ }
+ }
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::MapRegion_(const u32 cap, KPageTable* page_table) {
+ // Map each region into the process's page table.
+ R_RETURN(ProcessMapRegionCapability(
+ cap, [](KMemoryRegionType region_type, KMemoryPermission perm) -> Result {
+ // R_RETURN(page_table->MapRegion(region_type, perm));
+ UNIMPLEMENTED();
+ R_SUCCEED();
+ }));
+}
+
+Result KCapabilities::CheckMapRegion(KernelCore& kernel, const u32 cap) {
+ // Check that each region has a physical backing store.
+ R_RETURN(ProcessMapRegionCapability(
+ cap, [&](KMemoryRegionType region_type, KMemoryPermission perm) -> Result {
+ R_UNLESS(kernel.MemoryLayout().GetPhysicalMemoryRegionTree().FindFirstDerived(
+ region_type) != nullptr,
+ ResultOutOfRange);
+ R_SUCCEED();
+ }));
+}
+
+Result KCapabilities::SetInterruptPairCapability(const u32 cap) {
+ // Extract interrupts.
+ const InterruptPair pack{cap};
+ const std::array<u32, 2> ids{pack.interrupt_id0, pack.interrupt_id1};
+
+ for (size_t i = 0; i < ids.size(); i++) {
+ if (ids[i] != PaddingInterruptId) {
+ UNIMPLEMENTED();
+ // R_UNLESS(Kernel::GetInterruptManager().IsInterruptDefined(ids[i]), ResultOutOfRange);
+ // R_UNLESS(this->SetInterruptPermitted(ids[i]), ResultOutOfRange);
+ }
+ }
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::SetProgramTypeCapability(const u32 cap) {
+ // Validate.
+ const ProgramType pack{cap};
+ R_UNLESS(pack.reserved == 0, ResultReservedUsed);
+
+ m_program_type = pack.type;
+ R_SUCCEED();
+}
+
+Result KCapabilities::SetKernelVersionCapability(const u32 cap) {
+ // Ensure we haven't set our version before.
+ R_UNLESS(KernelVersion{m_intended_kernel_version}.major_version == 0, ResultInvalidArgument);
+
+ // Set, ensure that we set a valid version.
+ m_intended_kernel_version = cap;
+ R_UNLESS(KernelVersion{m_intended_kernel_version}.major_version != 0, ResultInvalidArgument);
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::SetHandleTableCapability(const u32 cap) {
+ // Validate.
+ const HandleTable pack{cap};
+ R_UNLESS(pack.reserved == 0, ResultReservedUsed);
+
+ m_handle_table_size = pack.size;
+ R_SUCCEED();
+}
+
+Result KCapabilities::SetDebugFlagsCapability(const u32 cap) {
+ // Validate.
+ const DebugFlags pack{cap};
+ R_UNLESS(pack.reserved == 0, ResultReservedUsed);
+
+ DebugFlags debug_capabilities{m_debug_capabilities};
+ debug_capabilities.allow_debug.Assign(pack.allow_debug);
+ debug_capabilities.force_debug.Assign(pack.force_debug);
+ m_debug_capabilities = debug_capabilities.raw;
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::SetCapability(const u32 cap, u32& set_flags, u32& set_svc,
+ KPageTable* page_table) {
+ // Validate this is a capability we can act on.
+ const auto type = GetCapabilityType(cap);
+ R_UNLESS(type != CapabilityType::Invalid, ResultInvalidArgument);
+
+ // If the type is padding, we have no work to do.
+ R_SUCCEED_IF(type == CapabilityType::Padding);
+
+ // Check that we haven't already processed this capability.
+ const auto flag = GetCapabilityFlag(type);
+ R_UNLESS(((set_flags & InitializeOnceFlags) & flag) == 0, ResultInvalidCombination);
+ set_flags |= flag;
+
+ // Process the capability.
+ switch (type) {
+ case CapabilityType::CorePriority:
+ R_RETURN(this->SetCorePriorityCapability(cap));
+ case CapabilityType::SyscallMask:
+ R_RETURN(this->SetSyscallMaskCapability(cap, set_svc));
+ case CapabilityType::MapIoPage:
+ R_RETURN(this->MapIoPage_(cap, page_table));
+ case CapabilityType::MapRegion:
+ R_RETURN(this->MapRegion_(cap, page_table));
+ case CapabilityType::InterruptPair:
+ R_RETURN(this->SetInterruptPairCapability(cap));
+ case CapabilityType::ProgramType:
+ R_RETURN(this->SetProgramTypeCapability(cap));
+ case CapabilityType::KernelVersion:
+ R_RETURN(this->SetKernelVersionCapability(cap));
+ case CapabilityType::HandleTable:
+ R_RETURN(this->SetHandleTableCapability(cap));
+ case CapabilityType::DebugFlags:
+ R_RETURN(this->SetDebugFlagsCapability(cap));
+ default:
+ R_THROW(ResultInvalidArgument);
+ }
+}
+
+Result KCapabilities::SetCapabilities(std::span<const u32> caps, KPageTable* page_table) {
+ u32 set_flags = 0, set_svc = 0;
+
+ for (size_t i = 0; i < caps.size(); i++) {
+ const u32 cap{caps[i]};
+
+ if (GetCapabilityType(cap) == CapabilityType::MapRange) {
+ // Check that the pair cap exists.
+ R_UNLESS((++i) < caps.size(), ResultInvalidCombination);
+
+ // Check the pair cap is a map range cap.
+ const u32 size_cap{caps[i]};
+ R_UNLESS(GetCapabilityType(size_cap) == CapabilityType::MapRange,
+ ResultInvalidCombination);
+
+ // Map the range.
+ R_TRY(this->MapRange_(cap, size_cap, page_table));
+ } else {
+ R_TRY(this->SetCapability(cap, set_flags, set_svc, page_table));
+ }
+ }
+
+ R_SUCCEED();
+}
+
+Result KCapabilities::CheckCapabilities(KernelCore& kernel, std::span<const u32> caps) {
+ for (auto cap : caps) {
+ // Check the capability refers to a valid region.
+ if (GetCapabilityType(cap) == CapabilityType::MapRegion) {
+ R_TRY(CheckMapRegion(kernel, cap));
+ }
+ }
+
+ R_SUCCEED();
+}
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/k_capabilities.h b/src/core/hle/kernel/k_capabilities.h
new file mode 100644
index 000000000..cd96f8d23
--- /dev/null
+++ b/src/core/hle/kernel/k_capabilities.h
@@ -0,0 +1,295 @@
+
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <bitset>
+#include <span>
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+
+#include "core/hle/kernel/svc_types.h"
+#include "core/hle/result.h"
+
+namespace Kernel {
+
+class KPageTable;
+class KernelCore;
+
+class KCapabilities {
+public:
+ constexpr explicit KCapabilities() = default;
+
+ Result InitializeForKIP(std::span<const u32> kern_caps, KPageTable* page_table);
+ Result InitializeForUser(std::span<const u32> user_caps, KPageTable* page_table);
+
+ static Result CheckCapabilities(KernelCore& kernel, std::span<const u32> user_caps);
+
+ constexpr u64 GetCoreMask() const {
+ return m_core_mask;
+ }
+
+ constexpr u64 GetPhysicalCoreMask() const {
+ return m_phys_core_mask;
+ }
+
+ constexpr u64 GetPriorityMask() const {
+ return m_priority_mask;
+ }
+
+ constexpr s32 GetHandleTableSize() const {
+ return m_handle_table_size;
+ }
+
+ constexpr const Svc::SvcAccessFlagSet& GetSvcPermissions() const {
+ return m_svc_access_flags;
+ }
+
+ constexpr bool IsPermittedSvc(u32 id) const {
+ return (id < m_svc_access_flags.size()) && m_svc_access_flags[id];
+ }
+
+ constexpr bool IsPermittedInterrupt(u32 id) const {
+ return (id < m_irq_access_flags.size()) && m_irq_access_flags[id];
+ }
+
+ constexpr bool IsPermittedDebug() const {
+ return DebugFlags{m_debug_capabilities}.allow_debug.Value() != 0;
+ }
+
+ constexpr bool CanForceDebug() const {
+ return DebugFlags{m_debug_capabilities}.force_debug.Value() != 0;
+ }
+
+ constexpr u32 GetIntendedKernelMajorVersion() const {
+ return KernelVersion{m_intended_kernel_version}.major_version;
+ }
+
+ constexpr u32 GetIntendedKernelMinorVersion() const {
+ return KernelVersion{m_intended_kernel_version}.minor_version;
+ }
+
+private:
+ static constexpr size_t InterruptIdCount = 0x400;
+ using InterruptFlagSet = std::bitset<InterruptIdCount>;
+
+ enum class CapabilityType : u32 {
+ CorePriority = (1U << 3) - 1,
+ SyscallMask = (1U << 4) - 1,
+ MapRange = (1U << 6) - 1,
+ MapIoPage = (1U << 7) - 1,
+ MapRegion = (1U << 10) - 1,
+ InterruptPair = (1U << 11) - 1,
+ ProgramType = (1U << 13) - 1,
+ KernelVersion = (1U << 14) - 1,
+ HandleTable = (1U << 15) - 1,
+ DebugFlags = (1U << 16) - 1,
+
+ Invalid = 0U,
+ Padding = ~0U,
+ };
+
+ using RawCapabilityValue = u32;
+
+ static constexpr CapabilityType GetCapabilityType(const RawCapabilityValue value) {
+ return static_cast<CapabilityType>((~value & (value + 1)) - 1);
+ }
+
+ static constexpr u32 GetCapabilityFlag(CapabilityType type) {
+ return static_cast<u32>(type) + 1;
+ }
+
+ template <CapabilityType Type>
+ static constexpr inline u32 CapabilityFlag = static_cast<u32>(Type) + 1;
+
+ template <CapabilityType Type>
+ static constexpr inline u32 CapabilityId = std::countr_zero(CapabilityFlag<Type>);
+
+ union CorePriority {
+ static_assert(CapabilityId<CapabilityType::CorePriority> + 1 == 4);
+
+ RawCapabilityValue raw;
+ BitField<0, 4, CapabilityType> id;
+ BitField<4, 6, u32> lowest_thread_priority;
+ BitField<10, 6, u32> highest_thread_priority;
+ BitField<16, 8, u32> minimum_core_id;
+ BitField<24, 8, u32> maximum_core_id;
+ };
+
+ union SyscallMask {
+ static_assert(CapabilityId<CapabilityType::SyscallMask> + 1 == 5);
+
+ RawCapabilityValue raw;
+ BitField<0, 5, CapabilityType> id;
+ BitField<5, 24, u32> mask;
+ BitField<29, 3, u32> index;
+ };
+
+ // #undef MESOSPHERE_ENABLE_LARGE_PHYSICAL_ADDRESS_CAPABILITIES
+ static constexpr u64 PhysicalMapAllowedMask = (1ULL << 36) - 1;
+
+ union MapRange {
+ static_assert(CapabilityId<CapabilityType::MapRange> + 1 == 7);
+
+ RawCapabilityValue raw;
+ BitField<0, 7, CapabilityType> id;
+ BitField<7, 24, u32> address;
+ BitField<31, 1, u32> read_only;
+ };
+
+ union MapRangeSize {
+ static_assert(CapabilityId<CapabilityType::MapRange> + 1 == 7);
+
+ RawCapabilityValue raw;
+ BitField<0, 7, CapabilityType> id;
+ BitField<7, 20, u32> pages;
+ BitField<27, 4, u32> reserved;
+ BitField<31, 1, u32> normal;
+ };
+
+ union MapIoPage {
+ static_assert(CapabilityId<CapabilityType::MapIoPage> + 1 == 8);
+
+ RawCapabilityValue raw;
+ BitField<0, 8, CapabilityType> id;
+ BitField<8, 24, u32> address;
+ };
+
+ enum class RegionType : u32 {
+ NoMapping = 0,
+ KernelTraceBuffer = 1,
+ OnMemoryBootImage = 2,
+ DTB = 3,
+ };
+
+ union MapRegion {
+ static_assert(CapabilityId<CapabilityType::MapRegion> + 1 == 11);
+
+ RawCapabilityValue raw;
+ BitField<0, 11, CapabilityType> id;
+ BitField<11, 6, RegionType> region0;
+ BitField<17, 1, u32> read_only0;
+ BitField<18, 6, RegionType> region1;
+ BitField<24, 1, u32> read_only1;
+ BitField<25, 6, RegionType> region2;
+ BitField<31, 1, u32> read_only2;
+ };
+
+ union InterruptPair {
+ static_assert(CapabilityId<CapabilityType::InterruptPair> + 1 == 12);
+
+ RawCapabilityValue raw;
+ BitField<0, 12, CapabilityType> id;
+ BitField<12, 10, u32> interrupt_id0;
+ BitField<22, 10, u32> interrupt_id1;
+ };
+
+ union ProgramType {
+ static_assert(CapabilityId<CapabilityType::ProgramType> + 1 == 14);
+
+ RawCapabilityValue raw;
+ BitField<0, 14, CapabilityType> id;
+ BitField<14, 3, u32> type;
+ BitField<17, 15, u32> reserved;
+ };
+
+ union KernelVersion {
+ static_assert(CapabilityId<CapabilityType::KernelVersion> + 1 == 15);
+
+ RawCapabilityValue raw;
+ BitField<0, 15, CapabilityType> id;
+ BitField<15, 4, u32> major_version;
+ BitField<19, 13, u32> minor_version;
+ };
+
+ union HandleTable {
+ static_assert(CapabilityId<CapabilityType::HandleTable> + 1 == 16);
+
+ RawCapabilityValue raw;
+ BitField<0, 16, CapabilityType> id;
+ BitField<16, 10, u32> size;
+ BitField<26, 6, u32> reserved;
+ };
+
+ union DebugFlags {
+ static_assert(CapabilityId<CapabilityType::DebugFlags> + 1 == 17);
+
+ RawCapabilityValue raw;
+ BitField<0, 17, CapabilityType> id;
+ BitField<17, 1, u32> allow_debug;
+ BitField<18, 1, u32> force_debug;
+ BitField<19, 13, u32> reserved;
+ };
+
+ static_assert(sizeof(CorePriority) == 4);
+ static_assert(sizeof(SyscallMask) == 4);
+ static_assert(sizeof(MapRange) == 4);
+ static_assert(sizeof(MapRangeSize) == 4);
+ static_assert(sizeof(MapIoPage) == 4);
+ static_assert(sizeof(MapRegion) == 4);
+ static_assert(sizeof(InterruptPair) == 4);
+ static_assert(sizeof(ProgramType) == 4);
+ static_assert(sizeof(KernelVersion) == 4);
+ static_assert(sizeof(HandleTable) == 4);
+ static_assert(sizeof(DebugFlags) == 4);
+
+ static constexpr u32 InitializeOnceFlags =
+ CapabilityFlag<CapabilityType::CorePriority> | CapabilityFlag<CapabilityType::ProgramType> |
+ CapabilityFlag<CapabilityType::KernelVersion> |
+ CapabilityFlag<CapabilityType::HandleTable> | CapabilityFlag<CapabilityType::DebugFlags>;
+
+ static const u32 PaddingInterruptId = 0x3FF;
+ static_assert(PaddingInterruptId < InterruptIdCount);
+
+private:
+ constexpr bool SetSvcAllowed(u32 id) {
+ if (id < m_svc_access_flags.size()) [[likely]] {
+ m_svc_access_flags[id] = true;
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ constexpr bool SetInterruptPermitted(u32 id) {
+ if (id < m_irq_access_flags.size()) [[likely]] {
+ m_irq_access_flags[id] = true;
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ Result SetCorePriorityCapability(const u32 cap);
+ Result SetSyscallMaskCapability(const u32 cap, u32& set_svc);
+ Result MapRange_(const u32 cap, const u32 size_cap, KPageTable* page_table);
+ Result MapIoPage_(const u32 cap, KPageTable* page_table);
+ Result MapRegion_(const u32 cap, KPageTable* page_table);
+ Result SetInterruptPairCapability(const u32 cap);
+ Result SetProgramTypeCapability(const u32 cap);
+ Result SetKernelVersionCapability(const u32 cap);
+ Result SetHandleTableCapability(const u32 cap);
+ Result SetDebugFlagsCapability(const u32 cap);
+
+ template <typename F>
+ static Result ProcessMapRegionCapability(const u32 cap, F f);
+ static Result CheckMapRegion(KernelCore& kernel, const u32 cap);
+
+ Result SetCapability(const u32 cap, u32& set_flags, u32& set_svc, KPageTable* page_table);
+ Result SetCapabilities(std::span<const u32> caps, KPageTable* page_table);
+
+private:
+ Svc::SvcAccessFlagSet m_svc_access_flags{};
+ InterruptFlagSet m_irq_access_flags{};
+ u64 m_core_mask{};
+ u64 m_phys_core_mask{};
+ u64 m_priority_mask{};
+ u32 m_debug_capabilities{};
+ s32 m_handle_table_size{};
+ u32 m_intended_kernel_version{};
+ u32 m_program_type{};
+};
+
+} // namespace Kernel
diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h
index 33eebcef6..9c2f9998a 100644
--- a/src/core/hle/kernel/svc_types.h
+++ b/src/core/hle/kernel/svc_types.h
@@ -3,6 +3,8 @@
#pragma once
+#include <bitset>
+
#include "common/common_funcs.h"
#include "common/common_types.h"
@@ -592,4 +594,7 @@ struct CreateProcessParameter {
};
static_assert(sizeof(CreateProcessParameter) == 0x30);
+constexpr size_t NumSupervisorCalls = 0xC0;
+using SvcAccessFlagSet = std::bitset<NumSupervisorCalls>;
+
} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc_version.h b/src/core/hle/kernel/svc_version.h
new file mode 100644
index 000000000..e4f47b34b
--- /dev/null
+++ b/src/core/hle/kernel/svc_version.h
@@ -0,0 +1,58 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "common/literals.h"
+
+namespace Kernel::Svc {
+
+constexpr inline u32 ConvertToSvcMajorVersion(u32 sdk) {
+ return sdk + 4;
+}
+constexpr inline u32 ConvertToSdkMajorVersion(u32 svc) {
+ return svc - 4;
+}
+
+constexpr inline u32 ConvertToSvcMinorVersion(u32 sdk) {
+ return sdk;
+}
+constexpr inline u32 ConvertToSdkMinorVersion(u32 svc) {
+ return svc;
+}
+
+union KernelVersion {
+ u32 value;
+ BitField<0, 4, u32> minor_version;
+ BitField<4, 13, u32> major_version;
+};
+
+constexpr inline u32 EncodeKernelVersion(u32 major, u32 minor) {
+ return decltype(KernelVersion::minor_version)::FormatValue(minor) |
+ decltype(KernelVersion::major_version)::FormatValue(major);
+}
+
+constexpr inline u32 GetKernelMajorVersion(u32 encoded) {
+ return std::bit_cast<decltype(KernelVersion::major_version)>(encoded).Value();
+}
+
+constexpr inline u32 GetKernelMinorVersion(u32 encoded) {
+ return std::bit_cast<decltype(KernelVersion::minor_version)>(encoded).Value();
+}
+
+// Nintendo doesn't support programs targeting SVC versions < 3.0.
+constexpr inline u32 RequiredKernelMajorVersion = 3;
+constexpr inline u32 RequiredKernelMinorVersion = 0;
+constexpr inline u32 RequiredKernelVersion =
+ EncodeKernelVersion(RequiredKernelMajorVersion, RequiredKernelMinorVersion);
+
+// This is the highest SVC version supported, to be updated on new kernel releases.
+// NOTE: Official kernel versions have SVC major = SDK major + 4, SVC minor = SDK minor.
+constexpr inline u32 SupportedKernelMajorVersion = ConvertToSvcMajorVersion(15);
+constexpr inline u32 SupportedKernelMinorVersion = ConvertToSvcMinorVersion(3);
+constexpr inline u32 SupportedKernelVersion =
+ EncodeKernelVersion(SupportedKernelMajorVersion, SupportedKernelMinorVersion);
+
+} // namespace Kernel::Svc
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 01:59:16 +0000