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- // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
- // SPDX-License-Identifier: GPL-2.0-or-later
- #include <algorithm>
- #include <cinttypes>
- #include <iterator>
- #include <mutex>
- #include <vector>
- #include "common/alignment.h"
- #include "common/assert.h"
- #include "common/common_funcs.h"
- #include "common/fiber.h"
- #include "common/logging/log.h"
- #include "common/scope_exit.h"
- #include "core/core.h"
- #include "core/core_timing.h"
- #include "core/debugger/debugger.h"
- #include "core/hle/kernel/k_client_port.h"
- #include "core/hle/kernel/k_client_session.h"
- #include "core/hle/kernel/k_code_memory.h"
- #include "core/hle/kernel/k_event.h"
- #include "core/hle/kernel/k_handle_table.h"
- #include "core/hle/kernel/k_memory_block.h"
- #include "core/hle/kernel/k_memory_layout.h"
- #include "core/hle/kernel/k_page_table.h"
- #include "core/hle/kernel/k_process.h"
- #include "core/hle/kernel/k_readable_event.h"
- #include "core/hle/kernel/k_resource_limit.h"
- #include "core/hle/kernel/k_scheduler.h"
- #include "core/hle/kernel/k_scoped_resource_reservation.h"
- #include "core/hle/kernel/k_shared_memory.h"
- #include "core/hle/kernel/k_synchronization_object.h"
- #include "core/hle/kernel/k_thread.h"
- #include "core/hle/kernel/k_thread_queue.h"
- #include "core/hle/kernel/k_transfer_memory.h"
- #include "core/hle/kernel/k_writable_event.h"
- #include "core/hle/kernel/kernel.h"
- #include "core/hle/kernel/physical_core.h"
- #include "core/hle/kernel/svc.h"
- #include "core/hle/kernel/svc_results.h"
- #include "core/hle/kernel/svc_types.h"
- #include "core/hle/kernel/svc_wrap.h"
- #include "core/hle/result.h"
- #include "core/memory.h"
- #include "core/reporter.h"
- namespace Kernel::Svc {
- namespace {
- // Checks if address + size is greater than the given address
- // This can return false if the size causes an overflow of a 64-bit type
- // or if the given size is zero.
- constexpr bool IsValidAddressRange(VAddr address, u64 size) {
- return address + size > address;
- }
- // Helper function that performs the common sanity checks for svcMapMemory
- // and svcUnmapMemory. This is doable, as both functions perform their sanitizing
- // in the same order.
- ResultCode MapUnmapMemorySanityChecks(const KPageTable& manager, VAddr dst_addr, VAddr src_addr,
- u64 size) {
- if (!Common::Is4KBAligned(dst_addr)) {
- LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
- return ResultInvalidAddress;
- }
- if (!Common::Is4KBAligned(src_addr)) {
- LOG_ERROR(Kernel_SVC, "Source address is not aligned to 4KB, 0x{:016X}", src_addr);
- return ResultInvalidSize;
- }
- if (size == 0) {
- LOG_ERROR(Kernel_SVC, "Size is 0");
- return ResultInvalidSize;
- }
- if (!Common::Is4KBAligned(size)) {
- LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:016X}", size);
- return ResultInvalidSize;
- }
- if (!IsValidAddressRange(dst_addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
- dst_addr, size);
- return ResultInvalidCurrentMemory;
- }
- if (!IsValidAddressRange(src_addr, size)) {
- LOG_ERROR(Kernel_SVC, "Source is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
- src_addr, size);
- return ResultInvalidCurrentMemory;
- }
- if (!manager.IsInsideAddressSpace(src_addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Source is not within the address space, addr=0x{:016X}, size=0x{:016X}",
- src_addr, size);
- return ResultInvalidCurrentMemory;
- }
- if (manager.IsOutsideStackRegion(dst_addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination is not within the stack region, addr=0x{:016X}, size=0x{:016X}",
- dst_addr, size);
- return ResultInvalidMemoryRegion;
- }
- if (manager.IsInsideHeapRegion(dst_addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination does not fit within the heap region, addr=0x{:016X}, "
- "size=0x{:016X}",
- dst_addr, size);
- return ResultInvalidMemoryRegion;
- }
- if (manager.IsInsideAliasRegion(dst_addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination does not fit within the map region, addr=0x{:016X}, "
- "size=0x{:016X}",
- dst_addr, size);
- return ResultInvalidMemoryRegion;
- }
- return ResultSuccess;
- }
- enum class ResourceLimitValueType {
- CurrentValue,
- LimitValue,
- PeakValue,
- };
- } // Anonymous namespace
- /// Set the process heap to a given Size. It can both extend and shrink the heap.
- static ResultCode SetHeapSize(Core::System& system, VAddr* out_address, u64 size) {
- LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", size);
- // Validate size.
- R_UNLESS(Common::IsAligned(size, HeapSizeAlignment), ResultInvalidSize);
- R_UNLESS(size < MainMemorySizeMax, ResultInvalidSize);
- // Set the heap size.
- R_TRY(system.Kernel().CurrentProcess()->PageTable().SetHeapSize(out_address, size));
- return ResultSuccess;
- }
- static ResultCode SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
- VAddr temp_heap_addr{};
- const ResultCode result{SetHeapSize(system, &temp_heap_addr, heap_size)};
- *heap_addr = static_cast<u32>(temp_heap_addr);
- return result;
- }
- constexpr bool IsValidSetMemoryPermission(MemoryPermission perm) {
- switch (perm) {
- case MemoryPermission::None:
- case MemoryPermission::Read:
- case MemoryPermission::ReadWrite:
- return true;
- default:
- return false;
- }
- }
- static ResultCode SetMemoryPermission(Core::System& system, VAddr address, u64 size,
- MemoryPermission perm) {
- LOG_DEBUG(Kernel_SVC, "called, address=0x{:016X}, size=0x{:X}, perm=0x{:08X", address, size,
- perm);
- // Validate address / size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Validate the permission.
- R_UNLESS(IsValidSetMemoryPermission(perm), ResultInvalidNewMemoryPermission);
- // Validate that the region is in range for the current process.
- auto& page_table = system.Kernel().CurrentProcess()->PageTable();
- R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
- // Set the memory attribute.
- return page_table.SetMemoryPermission(address, size, perm);
- }
- static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
- u32 attr) {
- LOG_DEBUG(Kernel_SVC,
- "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address,
- size, mask, attr);
- // Validate address / size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Validate the attribute and mask.
- constexpr u32 SupportedMask = static_cast<u32>(MemoryAttribute::Uncached);
- R_UNLESS((mask | attr) == mask, ResultInvalidCombination);
- R_UNLESS((mask | attr | SupportedMask) == SupportedMask, ResultInvalidCombination);
- // Validate that the region is in range for the current process.
- auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
- R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
- // Set the memory attribute.
- return page_table.SetMemoryAttribute(address, size, mask, attr);
- }
- static ResultCode SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
- u32 attr) {
- return SetMemoryAttribute(system, address, size, mask, attr);
- }
- /// Maps a memory range into a different range.
- static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
- LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
- src_addr, size);
- auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
- if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
- result.IsError()) {
- return result;
- }
- return page_table.MapMemory(dst_addr, src_addr, size);
- }
- static ResultCode MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
- return MapMemory(system, dst_addr, src_addr, size);
- }
- /// Unmaps a region that was previously mapped with svcMapMemory
- static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
- LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
- src_addr, size);
- auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
- if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
- result.IsError()) {
- return result;
- }
- return page_table.UnmapMemory(dst_addr, src_addr, size);
- }
- static ResultCode UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
- return UnmapMemory(system, dst_addr, src_addr, size);
- }
- /// Connect to an OS service given the port name, returns the handle to the port to out
- static ResultCode ConnectToNamedPort(Core::System& system, Handle* out, VAddr port_name_address) {
- auto& memory = system.Memory();
- if (!memory.IsValidVirtualAddress(port_name_address)) {
- LOG_ERROR(Kernel_SVC,
- "Port Name Address is not a valid virtual address, port_name_address=0x{:016X}",
- port_name_address);
- return ResultNotFound;
- }
- static constexpr std::size_t PortNameMaxLength = 11;
- // Read 1 char beyond the max allowed port name to detect names that are too long.
- const std::string port_name = memory.ReadCString(port_name_address, PortNameMaxLength + 1);
- if (port_name.size() > PortNameMaxLength) {
- LOG_ERROR(Kernel_SVC, "Port name is too long, expected {} but got {}", PortNameMaxLength,
- port_name.size());
- return ResultOutOfRange;
- }
- LOG_TRACE(Kernel_SVC, "called port_name={}", port_name);
- // Get the current handle table.
- auto& kernel = system.Kernel();
- auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
- // Find the client port.
- auto port = kernel.CreateNamedServicePort(port_name);
- if (!port) {
- LOG_ERROR(Kernel_SVC, "tried to connect to unknown port: {}", port_name);
- return ResultNotFound;
- }
- // Reserve a handle for the port.
- // NOTE: Nintendo really does write directly to the output handle here.
- R_TRY(handle_table.Reserve(out));
- auto handle_guard = SCOPE_GUARD({ handle_table.Unreserve(*out); });
- // Create a session.
- KClientSession* session{};
- R_TRY(port->CreateSession(std::addressof(session)));
- port->Close();
- // Register the session in the table, close the extra reference.
- handle_table.Register(*out, session);
- session->Close();
- // We succeeded.
- handle_guard.Cancel();
- return ResultSuccess;
- }
- static ResultCode ConnectToNamedPort32(Core::System& system, Handle* out_handle,
- u32 port_name_address) {
- return ConnectToNamedPort(system, out_handle, port_name_address);
- }
- /// Makes a blocking IPC call to an OS service.
- static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
- auto& kernel = system.Kernel();
- // Create the wait queue.
- KThreadQueue wait_queue(kernel);
- // Get the client session from its handle.
- KScopedAutoObject session =
- kernel.CurrentProcess()->GetHandleTable().GetObject<KClientSession>(handle);
- R_UNLESS(session.IsNotNull(), ResultInvalidHandle);
- LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
- auto thread = kernel.CurrentScheduler()->GetCurrentThread();
- {
- KScopedSchedulerLock lock(kernel);
- // This is a synchronous request, so we should wait for our request to complete.
- GetCurrentThread(kernel).BeginWait(std::addressof(wait_queue));
- GetCurrentThread(kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
- session->SendSyncRequest(&GetCurrentThread(kernel), system.Memory(), system.CoreTiming());
- }
- return thread->GetWaitResult();
- }
- static ResultCode SendSyncRequest32(Core::System& system, Handle handle) {
- return SendSyncRequest(system, handle);
- }
- /// Get the ID for the specified thread.
- static ResultCode GetThreadId(Core::System& system, u64* out_thread_id, Handle thread_handle) {
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Get the thread's id.
- *out_thread_id = thread->GetId();
- return ResultSuccess;
- }
- static ResultCode GetThreadId32(Core::System& system, u32* out_thread_id_low,
- u32* out_thread_id_high, Handle thread_handle) {
- u64 out_thread_id{};
- const ResultCode result{GetThreadId(system, &out_thread_id, thread_handle)};
- *out_thread_id_low = static_cast<u32>(out_thread_id >> 32);
- *out_thread_id_high = static_cast<u32>(out_thread_id & std::numeric_limits<u32>::max());
- return result;
- }
- /// Gets the ID of the specified process or a specified thread's owning process.
- static ResultCode GetProcessId(Core::System& system, u64* out_process_id, Handle handle) {
- LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle);
- // Get the object from the handle table.
- KScopedAutoObject obj =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KAutoObject>(
- static_cast<Handle>(handle));
- R_UNLESS(obj.IsNotNull(), ResultInvalidHandle);
- // Get the process from the object.
- KProcess* process = nullptr;
- if (KProcess* p = obj->DynamicCast<KProcess*>(); p != nullptr) {
- // The object is a process, so we can use it directly.
- process = p;
- } else if (KThread* t = obj->DynamicCast<KThread*>(); t != nullptr) {
- // The object is a thread, so we want to use its parent.
- process = reinterpret_cast<KThread*>(obj.GetPointerUnsafe())->GetOwnerProcess();
- } else {
- // TODO(bunnei): This should also handle debug objects before returning.
- UNIMPLEMENTED_MSG("Debug objects not implemented");
- }
- // Make sure the target process exists.
- R_UNLESS(process != nullptr, ResultInvalidHandle);
- // Get the process id.
- *out_process_id = process->GetId();
- return ResultSuccess;
- }
- static ResultCode GetProcessId32(Core::System& system, u32* out_process_id_low,
- u32* out_process_id_high, Handle handle) {
- u64 out_process_id{};
- const auto result = GetProcessId(system, &out_process_id, handle);
- *out_process_id_low = static_cast<u32>(out_process_id);
- *out_process_id_high = static_cast<u32>(out_process_id >> 32);
- return result;
- }
- /// Wait for the given handles to synchronize, timeout after the specified nanoseconds
- static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr handles_address,
- s32 num_handles, s64 nano_seconds) {
- LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, num_handles={}, nano_seconds={}",
- handles_address, num_handles, nano_seconds);
- // Ensure number of handles is valid.
- R_UNLESS(0 <= num_handles && num_handles <= ArgumentHandleCountMax, ResultOutOfRange);
- auto& kernel = system.Kernel();
- std::vector<KSynchronizationObject*> objs(num_handles);
- const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
- Handle* handles = system.Memory().GetPointer<Handle>(handles_address);
- // Copy user handles.
- if (num_handles > 0) {
- // Convert the handles to objects.
- R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles,
- num_handles),
- ResultInvalidHandle);
- for (const auto& obj : objs) {
- kernel.RegisterInUseObject(obj);
- }
- }
- // Ensure handles are closed when we're done.
- SCOPE_EXIT({
- for (s32 i = 0; i < num_handles; ++i) {
- kernel.UnregisterInUseObject(objs[i]);
- objs[i]->Close();
- }
- });
- return KSynchronizationObject::Wait(kernel, index, objs.data(), static_cast<s32>(objs.size()),
- nano_seconds);
- }
- static ResultCode WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address,
- s32 num_handles, u32 timeout_high, s32* index) {
- const s64 nano_seconds{(static_cast<s64>(timeout_high) << 32) | static_cast<s64>(timeout_low)};
- return WaitSynchronization(system, index, handles_address, num_handles, nano_seconds);
- }
- /// Resumes a thread waiting on WaitSynchronization
- static ResultCode CancelSynchronization(Core::System& system, Handle handle) {
- LOG_TRACE(Kernel_SVC, "called handle=0x{:X}", handle);
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Cancel the thread's wait.
- thread->WaitCancel();
- return ResultSuccess;
- }
- static ResultCode CancelSynchronization32(Core::System& system, Handle handle) {
- return CancelSynchronization(system, handle);
- }
- /// Attempts to locks a mutex
- static ResultCode ArbitrateLock(Core::System& system, Handle thread_handle, VAddr address,
- u32 tag) {
- LOG_TRACE(Kernel_SVC, "called thread_handle=0x{:08X}, address=0x{:X}, tag=0x{:08X}",
- thread_handle, address, tag);
- // Validate the input address.
- if (IsKernelAddress(address)) {
- LOG_ERROR(Kernel_SVC, "Attempting to arbitrate a lock on a kernel address (address={:08X})",
- address);
- return ResultInvalidCurrentMemory;
- }
- if (!Common::IsAligned(address, sizeof(u32))) {
- LOG_ERROR(Kernel_SVC, "Input address must be 4 byte aligned (address: {:08X})", address);
- return ResultInvalidAddress;
- }
- return system.Kernel().CurrentProcess()->WaitForAddress(thread_handle, address, tag);
- }
- static ResultCode ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address,
- u32 tag) {
- return ArbitrateLock(system, thread_handle, address, tag);
- }
- /// Unlock a mutex
- static ResultCode ArbitrateUnlock(Core::System& system, VAddr address) {
- LOG_TRACE(Kernel_SVC, "called address=0x{:X}", address);
- // Validate the input address.
- if (IsKernelAddress(address)) {
- LOG_ERROR(Kernel_SVC,
- "Attempting to arbitrate an unlock on a kernel address (address={:08X})",
- address);
- return ResultInvalidCurrentMemory;
- }
- if (!Common::IsAligned(address, sizeof(u32))) {
- LOG_ERROR(Kernel_SVC, "Input address must be 4 byte aligned (address: {:08X})", address);
- return ResultInvalidAddress;
- }
- return system.Kernel().CurrentProcess()->SignalToAddress(address);
- }
- static ResultCode ArbitrateUnlock32(Core::System& system, u32 address) {
- return ArbitrateUnlock(system, address);
- }
- enum class BreakType : u32 {
- Panic = 0,
- AssertionFailed = 1,
- PreNROLoad = 3,
- PostNROLoad = 4,
- PreNROUnload = 5,
- PostNROUnload = 6,
- CppException = 7,
- };
- struct BreakReason {
- union {
- u32 raw;
- BitField<0, 30, BreakType> break_type;
- BitField<31, 1, u32> signal_debugger;
- };
- };
- /// Break program execution
- static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
- BreakReason break_reason{reason};
- bool has_dumped_buffer{};
- std::vector<u8> debug_buffer;
- const auto handle_debug_buffer = [&](VAddr addr, u64 sz) {
- if (sz == 0 || addr == 0 || has_dumped_buffer) {
- return;
- }
- auto& memory = system.Memory();
- // This typically is an error code so we're going to assume this is the case
- if (sz == sizeof(u32)) {
- LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", memory.Read32(addr));
- } else {
- // We don't know what's in here so we'll hexdump it
- debug_buffer.resize(sz);
- memory.ReadBlock(addr, debug_buffer.data(), sz);
- std::string hexdump;
- for (std::size_t i = 0; i < debug_buffer.size(); i++) {
- hexdump += fmt::format("{:02X} ", debug_buffer[i]);
- if (i != 0 && i % 16 == 0) {
- hexdump += '\n';
- }
- }
- LOG_CRITICAL(Debug_Emulated, "debug_buffer=\n{}", hexdump);
- }
- has_dumped_buffer = true;
- };
- switch (break_reason.break_type) {
- case BreakType::Panic:
- LOG_CRITICAL(Debug_Emulated, "Signalling debugger, PANIC! info1=0x{:016X}, info2=0x{:016X}",
- info1, info2);
- handle_debug_buffer(info1, info2);
- break;
- case BreakType::AssertionFailed:
- LOG_CRITICAL(Debug_Emulated,
- "Signalling debugger, Assertion failed! info1=0x{:016X}, info2=0x{:016X}",
- info1, info2);
- handle_debug_buffer(info1, info2);
- break;
- case BreakType::PreNROLoad:
- LOG_WARNING(
- Debug_Emulated,
- "Signalling debugger, Attempting to load an NRO at 0x{:016X} with size 0x{:016X}",
- info1, info2);
- break;
- case BreakType::PostNROLoad:
- LOG_WARNING(Debug_Emulated,
- "Signalling debugger, Loaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
- info2);
- break;
- case BreakType::PreNROUnload:
- LOG_WARNING(
- Debug_Emulated,
- "Signalling debugger, Attempting to unload an NRO at 0x{:016X} with size 0x{:016X}",
- info1, info2);
- break;
- case BreakType::PostNROUnload:
- LOG_WARNING(Debug_Emulated,
- "Signalling debugger, Unloaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
- info2);
- break;
- case BreakType::CppException:
- LOG_CRITICAL(Debug_Emulated, "Signalling debugger. Uncaught C++ exception encountered.");
- break;
- default:
- LOG_WARNING(
- Debug_Emulated,
- "Signalling debugger, Unknown break reason {}, info1=0x{:016X}, info2=0x{:016X}",
- static_cast<u32>(break_reason.break_type.Value()), info1, info2);
- handle_debug_buffer(info1, info2);
- break;
- }
- system.GetReporter().SaveSvcBreakReport(
- static_cast<u32>(break_reason.break_type.Value()), break_reason.signal_debugger, info1,
- info2, has_dumped_buffer ? std::make_optional(debug_buffer) : std::nullopt);
- if (!break_reason.signal_debugger) {
- LOG_CRITICAL(
- Debug_Emulated,
- "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
- reason, info1, info2);
- handle_debug_buffer(info1, info2);
- auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
- const auto thread_processor_id = current_thread->GetActiveCore();
- system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
- }
- if (system.DebuggerEnabled()) {
- auto* thread = system.Kernel().GetCurrentEmuThread();
- system.GetDebugger().NotifyThreadStopped(thread);
- thread->RequestSuspend(Kernel::SuspendType::Debug);
- }
- }
- static void Break32(Core::System& system, u32 reason, u32 info1, u32 info2) {
- Break(system, reason, info1, info2);
- }
- /// Used to output a message on a debug hardware unit - does nothing on a retail unit
- static void OutputDebugString(Core::System& system, VAddr address, u64 len) {
- if (len == 0) {
- return;
- }
- std::string str(len, '\0');
- system.Memory().ReadBlock(address, str.data(), str.size());
- LOG_DEBUG(Debug_Emulated, "{}", str);
- }
- static void OutputDebugString32(Core::System& system, u32 address, u32 len) {
- OutputDebugString(system, address, len);
- }
- /// Gets system/memory information for the current process
- static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle handle,
- u64 info_sub_id) {
- LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
- info_sub_id, handle);
- enum class GetInfoType : u64 {
- // 1.0.0+
- AllowedCPUCoreMask = 0,
- AllowedThreadPriorityMask = 1,
- MapRegionBaseAddr = 2,
- MapRegionSize = 3,
- HeapRegionBaseAddr = 4,
- HeapRegionSize = 5,
- TotalPhysicalMemoryAvailable = 6,
- TotalPhysicalMemoryUsed = 7,
- IsCurrentProcessBeingDebugged = 8,
- RegisterResourceLimit = 9,
- IdleTickCount = 10,
- RandomEntropy = 11,
- ThreadTickCount = 0xF0000002,
- // 2.0.0+
- ASLRRegionBaseAddr = 12,
- ASLRRegionSize = 13,
- StackRegionBaseAddr = 14,
- StackRegionSize = 15,
- // 3.0.0+
- SystemResourceSize = 16,
- SystemResourceUsage = 17,
- TitleId = 18,
- // 4.0.0+
- PrivilegedProcessId = 19,
- // 5.0.0+
- UserExceptionContextAddr = 20,
- // 6.0.0+
- TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
- TotalPhysicalMemoryUsedWithoutSystemResource = 22,
- };
- const auto info_id_type = static_cast<GetInfoType>(info_id);
- switch (info_id_type) {
- case GetInfoType::AllowedCPUCoreMask:
- case GetInfoType::AllowedThreadPriorityMask:
- case GetInfoType::MapRegionBaseAddr:
- case GetInfoType::MapRegionSize:
- case GetInfoType::HeapRegionBaseAddr:
- case GetInfoType::HeapRegionSize:
- case GetInfoType::ASLRRegionBaseAddr:
- case GetInfoType::ASLRRegionSize:
- case GetInfoType::StackRegionBaseAddr:
- case GetInfoType::StackRegionSize:
- case GetInfoType::TotalPhysicalMemoryAvailable:
- case GetInfoType::TotalPhysicalMemoryUsed:
- case GetInfoType::SystemResourceSize:
- case GetInfoType::SystemResourceUsage:
- case GetInfoType::TitleId:
- case GetInfoType::UserExceptionContextAddr:
- case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
- case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: {
- if (info_sub_id != 0) {
- LOG_ERROR(Kernel_SVC, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
- info_sub_id);
- return ResultInvalidEnumValue;
- }
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- KScopedAutoObject process = handle_table.GetObject<KProcess>(handle);
- if (process.IsNull()) {
- LOG_ERROR(Kernel_SVC, "Process is not valid! info_id={}, info_sub_id={}, handle={:08X}",
- info_id, info_sub_id, handle);
- return ResultInvalidHandle;
- }
- switch (info_id_type) {
- case GetInfoType::AllowedCPUCoreMask:
- *result = process->GetCoreMask();
- return ResultSuccess;
- case GetInfoType::AllowedThreadPriorityMask:
- *result = process->GetPriorityMask();
- return ResultSuccess;
- case GetInfoType::MapRegionBaseAddr:
- *result = process->PageTable().GetAliasRegionStart();
- return ResultSuccess;
- case GetInfoType::MapRegionSize:
- *result = process->PageTable().GetAliasRegionSize();
- return ResultSuccess;
- case GetInfoType::HeapRegionBaseAddr:
- *result = process->PageTable().GetHeapRegionStart();
- return ResultSuccess;
- case GetInfoType::HeapRegionSize:
- *result = process->PageTable().GetHeapRegionSize();
- return ResultSuccess;
- case GetInfoType::ASLRRegionBaseAddr:
- *result = process->PageTable().GetAliasCodeRegionStart();
- return ResultSuccess;
- case GetInfoType::ASLRRegionSize:
- *result = process->PageTable().GetAliasCodeRegionSize();
- return ResultSuccess;
- case GetInfoType::StackRegionBaseAddr:
- *result = process->PageTable().GetStackRegionStart();
- return ResultSuccess;
- case GetInfoType::StackRegionSize:
- *result = process->PageTable().GetStackRegionSize();
- return ResultSuccess;
- case GetInfoType::TotalPhysicalMemoryAvailable:
- *result = process->GetTotalPhysicalMemoryAvailable();
- return ResultSuccess;
- case GetInfoType::TotalPhysicalMemoryUsed:
- *result = process->GetTotalPhysicalMemoryUsed();
- return ResultSuccess;
- case GetInfoType::SystemResourceSize:
- *result = process->GetSystemResourceSize();
- return ResultSuccess;
- case GetInfoType::SystemResourceUsage:
- LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
- *result = process->GetSystemResourceUsage();
- return ResultSuccess;
- case GetInfoType::TitleId:
- *result = process->GetProgramID();
- return ResultSuccess;
- case GetInfoType::UserExceptionContextAddr:
- *result = process->GetTLSRegionAddress();
- return ResultSuccess;
- case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
- *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
- return ResultSuccess;
- case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource:
- *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
- return ResultSuccess;
- default:
- break;
- }
- LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
- return ResultInvalidEnumValue;
- }
- case GetInfoType::IsCurrentProcessBeingDebugged:
- *result = 0;
- return ResultSuccess;
- case GetInfoType::RegisterResourceLimit: {
- if (handle != 0) {
- LOG_ERROR(Kernel, "Handle is non zero! handle={:08X}", handle);
- return ResultInvalidHandle;
- }
- if (info_sub_id != 0) {
- LOG_ERROR(Kernel, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
- info_sub_id);
- return ResultInvalidCombination;
- }
- KProcess* const current_process = system.Kernel().CurrentProcess();
- KHandleTable& handle_table = current_process->GetHandleTable();
- const auto resource_limit = current_process->GetResourceLimit();
- if (!resource_limit) {
- *result = Svc::InvalidHandle;
- // Yes, the kernel considers this a successful operation.
- return ResultSuccess;
- }
- Handle resource_handle{};
- R_TRY(handle_table.Add(&resource_handle, resource_limit));
- *result = resource_handle;
- return ResultSuccess;
- }
- case GetInfoType::RandomEntropy:
- if (handle != 0) {
- LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}",
- handle);
- return ResultInvalidHandle;
- }
- if (info_sub_id >= KProcess::RANDOM_ENTROPY_SIZE) {
- LOG_ERROR(Kernel_SVC, "Entropy size is out of range, expected {} but got {}",
- KProcess::RANDOM_ENTROPY_SIZE, info_sub_id);
- return ResultInvalidCombination;
- }
- *result = system.Kernel().CurrentProcess()->GetRandomEntropy(info_sub_id);
- return ResultSuccess;
- case GetInfoType::PrivilegedProcessId:
- LOG_WARNING(Kernel_SVC,
- "(STUBBED) Attempted to query privileged process id bounds, returned 0");
- *result = 0;
- return ResultSuccess;
- case GetInfoType::ThreadTickCount: {
- constexpr u64 num_cpus = 4;
- if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) {
- LOG_ERROR(Kernel_SVC, "Core count is out of range, expected {} but got {}", num_cpus,
- info_sub_id);
- return ResultInvalidCombination;
- }
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(
- static_cast<Handle>(handle));
- if (thread.IsNull()) {
- LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}",
- static_cast<Handle>(handle));
- return ResultInvalidHandle;
- }
- const auto& core_timing = system.CoreTiming();
- const auto& scheduler = *system.Kernel().CurrentScheduler();
- const auto* const current_thread = scheduler.GetCurrentThread();
- const bool same_thread = current_thread == thread.GetPointerUnsafe();
- const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTicks();
- u64 out_ticks = 0;
- if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) {
- const u64 thread_ticks = current_thread->GetCpuTime();
- out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks);
- } else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) {
- out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
- }
- *result = out_ticks;
- return ResultSuccess;
- }
- case GetInfoType::IdleTickCount: {
- // Verify the input handle is invalid.
- R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
- // Verify the requested core is valid.
- const bool core_valid =
- (info_sub_id == 0xFFFFFFFFFFFFFFFF) ||
- (info_sub_id == static_cast<u64>(system.Kernel().CurrentPhysicalCoreIndex()));
- R_UNLESS(core_valid, ResultInvalidCombination);
- // Get the idle tick count.
- *result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime();
- return ResultSuccess;
- }
- default:
- LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
- return ResultInvalidEnumValue;
- }
- }
- static ResultCode GetInfo32(Core::System& system, u32* result_low, u32* result_high, u32 sub_id_low,
- u32 info_id, u32 handle, u32 sub_id_high) {
- const u64 sub_id{u64{sub_id_low} | (u64{sub_id_high} << 32)};
- u64 res_value{};
- const ResultCode result{GetInfo(system, &res_value, info_id, handle, sub_id)};
- *result_high = static_cast<u32>(res_value >> 32);
- *result_low = static_cast<u32>(res_value & std::numeric_limits<u32>::max());
- return result;
- }
- /// Maps memory at a desired address
- static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
- LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);
- if (!Common::Is4KBAligned(addr)) {
- LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr);
- return ResultInvalidAddress;
- }
- if (!Common::Is4KBAligned(size)) {
- LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
- return ResultInvalidSize;
- }
- if (size == 0) {
- LOG_ERROR(Kernel_SVC, "Size is zero");
- return ResultInvalidSize;
- }
- if (!(addr < addr + size)) {
- LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
- return ResultInvalidMemoryRegion;
- }
- KProcess* const current_process{system.Kernel().CurrentProcess()};
- auto& page_table{current_process->PageTable()};
- if (current_process->GetSystemResourceSize() == 0) {
- LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
- return ResultInvalidState;
- }
- if (!page_table.IsInsideAddressSpace(addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
- size);
- return ResultInvalidMemoryRegion;
- }
- if (page_table.IsOutsideAliasRegion(addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
- size);
- return ResultInvalidMemoryRegion;
- }
- return page_table.MapPhysicalMemory(addr, size);
- }
- static ResultCode MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
- return MapPhysicalMemory(system, addr, size);
- }
- /// Unmaps memory previously mapped via MapPhysicalMemory
- static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
- LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);
- if (!Common::Is4KBAligned(addr)) {
- LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr);
- return ResultInvalidAddress;
- }
- if (!Common::Is4KBAligned(size)) {
- LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
- return ResultInvalidSize;
- }
- if (size == 0) {
- LOG_ERROR(Kernel_SVC, "Size is zero");
- return ResultInvalidSize;
- }
- if (!(addr < addr + size)) {
- LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
- return ResultInvalidMemoryRegion;
- }
- KProcess* const current_process{system.Kernel().CurrentProcess()};
- auto& page_table{current_process->PageTable()};
- if (current_process->GetSystemResourceSize() == 0) {
- LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
- return ResultInvalidState;
- }
- if (!page_table.IsInsideAddressSpace(addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
- size);
- return ResultInvalidMemoryRegion;
- }
- if (page_table.IsOutsideAliasRegion(addr, size)) {
- LOG_ERROR(Kernel_SVC,
- "Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
- size);
- return ResultInvalidMemoryRegion;
- }
- return page_table.UnmapPhysicalMemory(addr, size);
- }
- static ResultCode UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
- return UnmapPhysicalMemory(system, addr, size);
- }
- /// Sets the thread activity
- static ResultCode SetThreadActivity(Core::System& system, Handle thread_handle,
- ThreadActivity thread_activity) {
- LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", thread_handle,
- thread_activity);
- // Validate the activity.
- constexpr auto IsValidThreadActivity = [](ThreadActivity activity) {
- return activity == ThreadActivity::Runnable || activity == ThreadActivity::Paused;
- };
- R_UNLESS(IsValidThreadActivity(thread_activity), ResultInvalidEnumValue);
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Check that the activity is being set on a non-current thread for the current process.
- R_UNLESS(thread->GetOwnerProcess() == system.Kernel().CurrentProcess(), ResultInvalidHandle);
- R_UNLESS(thread.GetPointerUnsafe() != GetCurrentThreadPointer(system.Kernel()), ResultBusy);
- // Set the activity.
- R_TRY(thread->SetActivity(thread_activity));
- return ResultSuccess;
- }
- static ResultCode SetThreadActivity32(Core::System& system, Handle thread_handle,
- Svc::ThreadActivity thread_activity) {
- return SetThreadActivity(system, thread_handle, thread_activity);
- }
- /// Gets the thread context
- static ResultCode GetThreadContext(Core::System& system, VAddr out_context, Handle thread_handle) {
- LOG_DEBUG(Kernel_SVC, "called, out_context=0x{:08X}, thread_handle=0x{:X}", out_context,
- thread_handle);
- auto& kernel = system.Kernel();
- // Get the thread from its handle.
- KScopedAutoObject thread =
- kernel.CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Require the handle be to a non-current thread in the current process.
- const auto* current_process = kernel.CurrentProcess();
- R_UNLESS(current_process == thread->GetOwnerProcess(), ResultInvalidId);
- // Verify that the thread isn't terminated.
- R_UNLESS(thread->GetState() != ThreadState::Terminated, ResultTerminationRequested);
- /// Check that the thread is not the current one.
- /// NOTE: Nintendo does not check this, and thus the following loop will deadlock.
- R_UNLESS(thread.GetPointerUnsafe() != GetCurrentThreadPointer(kernel), ResultInvalidId);
- // Try to get the thread context until the thread isn't current on any core.
- while (true) {
- KScopedSchedulerLock sl{kernel};
- // TODO(bunnei): Enforce that thread is suspended for debug here.
- // If the thread's raw state isn't runnable, check if it's current on some core.
- if (thread->GetRawState() != ThreadState::Runnable) {
- bool current = false;
- for (auto i = 0; i < static_cast<s32>(Core::Hardware::NUM_CPU_CORES); ++i) {
- if (thread.GetPointerUnsafe() == kernel.Scheduler(i).GetCurrentThread()) {
- current = true;
- break;
- }
- }
- // If the thread is current, retry until it isn't.
- if (current) {
- continue;
- }
- }
- // Get the thread context.
- std::vector<u8> context;
- R_TRY(thread->GetThreadContext3(context));
- // Copy the thread context to user space.
- system.Memory().WriteBlock(out_context, context.data(), context.size());
- return ResultSuccess;
- }
- return ResultSuccess;
- }
- static ResultCode GetThreadContext32(Core::System& system, u32 out_context, Handle thread_handle) {
- return GetThreadContext(system, out_context, thread_handle);
- }
- /// Gets the priority for the specified thread
- static ResultCode GetThreadPriority(Core::System& system, u32* out_priority, Handle handle) {
- LOG_TRACE(Kernel_SVC, "called");
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Get the thread's priority.
- *out_priority = thread->GetPriority();
- return ResultSuccess;
- }
- static ResultCode GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
- return GetThreadPriority(system, out_priority, handle);
- }
- /// Sets the priority for the specified thread
- static ResultCode SetThreadPriority(Core::System& system, Handle thread_handle, u32 priority) {
- // Get the current process.
- KProcess& process = *system.Kernel().CurrentProcess();
- // Validate the priority.
- R_UNLESS(HighestThreadPriority <= priority && priority <= LowestThreadPriority,
- ResultInvalidPriority);
- R_UNLESS(process.CheckThreadPriority(priority), ResultInvalidPriority);
- // Get the thread from its handle.
- KScopedAutoObject thread = process.GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Set the thread priority.
- thread->SetBasePriority(priority);
- return ResultSuccess;
- }
- static ResultCode SetThreadPriority32(Core::System& system, Handle thread_handle, u32 priority) {
- return SetThreadPriority(system, thread_handle, priority);
- }
- /// Get which CPU core is executing the current thread
- static u32 GetCurrentProcessorNumber(Core::System& system) {
- LOG_TRACE(Kernel_SVC, "called");
- return static_cast<u32>(system.CurrentPhysicalCore().CoreIndex());
- }
- static u32 GetCurrentProcessorNumber32(Core::System& system) {
- return GetCurrentProcessorNumber(system);
- }
- namespace {
- constexpr bool IsValidSharedMemoryPermission(Svc::MemoryPermission perm) {
- switch (perm) {
- case Svc::MemoryPermission::Read:
- case Svc::MemoryPermission::ReadWrite:
- return true;
- default:
- return false;
- }
- }
- [[maybe_unused]] constexpr bool IsValidRemoteSharedMemoryPermission(Svc::MemoryPermission perm) {
- return IsValidSharedMemoryPermission(perm) || perm == Svc::MemoryPermission::DontCare;
- }
- constexpr bool IsValidProcessMemoryPermission(Svc::MemoryPermission perm) {
- switch (perm) {
- case Svc::MemoryPermission::None:
- case Svc::MemoryPermission::Read:
- case Svc::MemoryPermission::ReadWrite:
- case Svc::MemoryPermission::ReadExecute:
- return true;
- default:
- return false;
- }
- }
- constexpr bool IsValidMapCodeMemoryPermission(Svc::MemoryPermission perm) {
- return perm == Svc::MemoryPermission::ReadWrite;
- }
- constexpr bool IsValidMapToOwnerCodeMemoryPermission(Svc::MemoryPermission perm) {
- return perm == Svc::MemoryPermission::Read || perm == Svc::MemoryPermission::ReadExecute;
- }
- constexpr bool IsValidUnmapCodeMemoryPermission(Svc::MemoryPermission perm) {
- return perm == Svc::MemoryPermission::None;
- }
- constexpr bool IsValidUnmapFromOwnerCodeMemoryPermission(Svc::MemoryPermission perm) {
- return perm == Svc::MemoryPermission::None;
- }
- } // Anonymous namespace
- static ResultCode MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
- u64 size, Svc::MemoryPermission map_perm) {
- LOG_TRACE(Kernel_SVC,
- "called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
- shmem_handle, address, size, map_perm);
- // Validate the address/size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Validate the permission.
- R_UNLESS(IsValidSharedMemoryPermission(map_perm), ResultInvalidNewMemoryPermission);
- // Get the current process.
- auto& process = *system.Kernel().CurrentProcess();
- auto& page_table = process.PageTable();
- // Get the shared memory.
- KScopedAutoObject shmem = process.GetHandleTable().GetObject<KSharedMemory>(shmem_handle);
- R_UNLESS(shmem.IsNotNull(), ResultInvalidHandle);
- // Verify that the mapping is in range.
- R_UNLESS(page_table.CanContain(address, size, KMemoryState::Shared), ResultInvalidMemoryRegion);
- // Add the shared memory to the process.
- R_TRY(process.AddSharedMemory(shmem.GetPointerUnsafe(), address, size));
- // Ensure that we clean up the shared memory if we fail to map it.
- auto guard =
- SCOPE_GUARD({ process.RemoveSharedMemory(shmem.GetPointerUnsafe(), address, size); });
- // Map the shared memory.
- R_TRY(shmem->Map(process, address, size, map_perm));
- // We succeeded.
- guard.Cancel();
- return ResultSuccess;
- }
- static ResultCode MapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
- u32 size, Svc::MemoryPermission map_perm) {
- return MapSharedMemory(system, shmem_handle, address, size, map_perm);
- }
- static ResultCode UnmapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
- u64 size) {
- // Validate the address/size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Get the current process.
- auto& process = *system.Kernel().CurrentProcess();
- auto& page_table = process.PageTable();
- // Get the shared memory.
- KScopedAutoObject shmem = process.GetHandleTable().GetObject<KSharedMemory>(shmem_handle);
- R_UNLESS(shmem.IsNotNull(), ResultInvalidHandle);
- // Verify that the mapping is in range.
- R_UNLESS(page_table.CanContain(address, size, KMemoryState::Shared), ResultInvalidMemoryRegion);
- // Unmap the shared memory.
- R_TRY(shmem->Unmap(process, address, size));
- // Remove the shared memory from the process.
- process.RemoveSharedMemory(shmem.GetPointerUnsafe(), address, size);
- return ResultSuccess;
- }
- static ResultCode UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
- u32 size) {
- return UnmapSharedMemory(system, shmem_handle, address, size);
- }
- static ResultCode SetProcessMemoryPermission(Core::System& system, Handle process_handle,
- VAddr address, u64 size, Svc::MemoryPermission perm) {
- LOG_TRACE(Kernel_SVC,
- "called, process_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
- process_handle, address, size, perm);
- // Validate the address/size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory);
- R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory);
- // Validate the memory permission.
- R_UNLESS(IsValidProcessMemoryPermission(perm), ResultInvalidNewMemoryPermission);
- // Get the process from its handle.
- KScopedAutoObject process =
- system.CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle);
- R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
- // Validate that the address is in range.
- auto& page_table = process->PageTable();
- R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
- // Set the memory permission.
- return page_table.SetProcessMemoryPermission(address, size, perm);
- }
- static ResultCode MapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
- VAddr src_address, u64 size) {
- LOG_TRACE(Kernel_SVC,
- "called, dst_address=0x{:X}, process_handle=0x{:X}, src_address=0x{:X}, size=0x{:X}",
- dst_address, process_handle, src_address, size);
- // Validate the address/size.
- R_UNLESS(Common::IsAligned(dst_address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(src_address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((dst_address < dst_address + size), ResultInvalidCurrentMemory);
- R_UNLESS((src_address < src_address + size), ResultInvalidCurrentMemory);
- // Get the processes.
- KProcess* dst_process = system.CurrentProcess();
- KScopedAutoObject src_process =
- dst_process->GetHandleTable().GetObjectWithoutPseudoHandle<KProcess>(process_handle);
- R_UNLESS(src_process.IsNotNull(), ResultInvalidHandle);
- // Get the page tables.
- auto& dst_pt = dst_process->PageTable();
- auto& src_pt = src_process->PageTable();
- // Validate that the mapping is in range.
- R_UNLESS(src_pt.Contains(src_address, size), ResultInvalidCurrentMemory);
- R_UNLESS(dst_pt.CanContain(dst_address, size, KMemoryState::SharedCode),
- ResultInvalidMemoryRegion);
- // Create a new page group.
- KPageLinkedList pg;
- R_TRY(src_pt.MakeAndOpenPageGroup(
- std::addressof(pg), src_address, size / PageSize, KMemoryState::FlagCanMapProcess,
- KMemoryState::FlagCanMapProcess, KMemoryPermission::None, KMemoryPermission::None,
- KMemoryAttribute::All, KMemoryAttribute::None));
- // Map the group.
- R_TRY(dst_pt.MapPages(dst_address, pg, KMemoryState::SharedCode,
- KMemoryPermission::UserReadWrite));
- return ResultSuccess;
- }
- static ResultCode UnmapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
- VAddr src_address, u64 size) {
- LOG_TRACE(Kernel_SVC,
- "called, dst_address=0x{:X}, process_handle=0x{:X}, src_address=0x{:X}, size=0x{:X}",
- dst_address, process_handle, src_address, size);
- // Validate the address/size.
- R_UNLESS(Common::IsAligned(dst_address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(src_address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((dst_address < dst_address + size), ResultInvalidCurrentMemory);
- R_UNLESS((src_address < src_address + size), ResultInvalidCurrentMemory);
- // Get the processes.
- KProcess* dst_process = system.CurrentProcess();
- KScopedAutoObject src_process =
- dst_process->GetHandleTable().GetObjectWithoutPseudoHandle<KProcess>(process_handle);
- R_UNLESS(src_process.IsNotNull(), ResultInvalidHandle);
- // Get the page tables.
- auto& dst_pt = dst_process->PageTable();
- auto& src_pt = src_process->PageTable();
- // Validate that the mapping is in range.
- R_UNLESS(src_pt.Contains(src_address, size), ResultInvalidCurrentMemory);
- R_UNLESS(dst_pt.CanContain(dst_address, size, KMemoryState::SharedCode),
- ResultInvalidMemoryRegion);
- // Unmap the memory.
- R_TRY(dst_pt.UnmapProcessMemory(dst_address, size, src_pt, src_address));
- return ResultSuccess;
- }
- static ResultCode CreateCodeMemory(Core::System& system, Handle* out, VAddr address, size_t size) {
- LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, size=0x{:X}", address, size);
- // Get kernel instance.
- auto& kernel = system.Kernel();
- // Validate address / size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Create the code memory.
- KCodeMemory* code_mem = KCodeMemory::Create(kernel);
- R_UNLESS(code_mem != nullptr, ResultOutOfResource);
- // Verify that the region is in range.
- R_UNLESS(system.CurrentProcess()->PageTable().Contains(address, size),
- ResultInvalidCurrentMemory);
- // Initialize the code memory.
- R_TRY(code_mem->Initialize(system.DeviceMemory(), address, size));
- // Register the code memory.
- KCodeMemory::Register(kernel, code_mem);
- // Add the code memory to the handle table.
- R_TRY(system.CurrentProcess()->GetHandleTable().Add(out, code_mem));
- code_mem->Close();
- return ResultSuccess;
- }
- static ResultCode CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size) {
- return CreateCodeMemory(system, out, address, size);
- }
- static ResultCode ControlCodeMemory(Core::System& system, Handle code_memory_handle, u32 operation,
- VAddr address, size_t size, Svc::MemoryPermission perm) {
- LOG_TRACE(Kernel_SVC,
- "called, code_memory_handle=0x{:X}, operation=0x{:X}, address=0x{:X}, size=0x{:X}, "
- "permission=0x{:X}",
- code_memory_handle, operation, address, size, perm);
- // Validate the address / size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Get the code memory from its handle.
- KScopedAutoObject code_mem =
- system.CurrentProcess()->GetHandleTable().GetObject<KCodeMemory>(code_memory_handle);
- R_UNLESS(code_mem.IsNotNull(), ResultInvalidHandle);
- // NOTE: Here, Atmosphere extends the SVC to allow code memory operations on one's own process.
- // This enables homebrew usage of these SVCs for JIT.
- // Perform the operation.
- switch (static_cast<CodeMemoryOperation>(operation)) {
- case CodeMemoryOperation::Map: {
- // Check that the region is in range.
- R_UNLESS(
- system.CurrentProcess()->PageTable().CanContain(address, size, KMemoryState::CodeOut),
- ResultInvalidMemoryRegion);
- // Check the memory permission.
- R_UNLESS(IsValidMapCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);
- // Map the memory.
- R_TRY(code_mem->Map(address, size));
- } break;
- case CodeMemoryOperation::Unmap: {
- // Check that the region is in range.
- R_UNLESS(
- system.CurrentProcess()->PageTable().CanContain(address, size, KMemoryState::CodeOut),
- ResultInvalidMemoryRegion);
- // Check the memory permission.
- R_UNLESS(IsValidUnmapCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);
- // Unmap the memory.
- R_TRY(code_mem->Unmap(address, size));
- } break;
- case CodeMemoryOperation::MapToOwner: {
- // Check that the region is in range.
- R_UNLESS(code_mem->GetOwner()->PageTable().CanContain(address, size,
- KMemoryState::GeneratedCode),
- ResultInvalidMemoryRegion);
- // Check the memory permission.
- R_UNLESS(IsValidMapToOwnerCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);
- // Map the memory to its owner.
- R_TRY(code_mem->MapToOwner(address, size, perm));
- } break;
- case CodeMemoryOperation::UnmapFromOwner: {
- // Check that the region is in range.
- R_UNLESS(code_mem->GetOwner()->PageTable().CanContain(address, size,
- KMemoryState::GeneratedCode),
- ResultInvalidMemoryRegion);
- // Check the memory permission.
- R_UNLESS(IsValidUnmapFromOwnerCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);
- // Unmap the memory from its owner.
- R_TRY(code_mem->UnmapFromOwner(address, size));
- } break;
- default:
- return ResultInvalidEnumValue;
- }
- return ResultSuccess;
- }
- static ResultCode ControlCodeMemory32(Core::System& system, Handle code_memory_handle,
- u32 operation, u64 address, u64 size,
- Svc::MemoryPermission perm) {
- return ControlCodeMemory(system, code_memory_handle, operation, address, size, perm);
- }
- static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address,
- VAddr page_info_address, Handle process_handle,
- VAddr address) {
- LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address);
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
- if (process.IsNull()) {
- LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
- process_handle);
- return ResultInvalidHandle;
- }
- auto& memory{system.Memory()};
- const auto memory_info{process->PageTable().QueryInfo(address).GetSvcMemoryInfo()};
- memory.Write64(memory_info_address + 0x00, memory_info.addr);
- memory.Write64(memory_info_address + 0x08, memory_info.size);
- memory.Write32(memory_info_address + 0x10, static_cast<u32>(memory_info.state) & 0xff);
- memory.Write32(memory_info_address + 0x14, static_cast<u32>(memory_info.attr));
- memory.Write32(memory_info_address + 0x18, static_cast<u32>(memory_info.perm));
- memory.Write32(memory_info_address + 0x1c, memory_info.ipc_refcount);
- memory.Write32(memory_info_address + 0x20, memory_info.device_refcount);
- memory.Write32(memory_info_address + 0x24, 0);
- // Page info appears to be currently unused by the kernel and is always set to zero.
- memory.Write32(page_info_address, 0);
- return ResultSuccess;
- }
- static ResultCode QueryMemory(Core::System& system, VAddr memory_info_address,
- VAddr page_info_address, VAddr query_address) {
- LOG_TRACE(Kernel_SVC,
- "called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, "
- "query_address=0x{:016X}",
- memory_info_address, page_info_address, query_address);
- return QueryProcessMemory(system, memory_info_address, page_info_address, CurrentProcess,
- query_address);
- }
- static ResultCode QueryMemory32(Core::System& system, u32 memory_info_address,
- u32 page_info_address, u32 query_address) {
- return QueryMemory(system, memory_info_address, page_info_address, query_address);
- }
- static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
- u64 src_address, u64 size) {
- LOG_DEBUG(Kernel_SVC,
- "called. process_handle=0x{:08X}, dst_address=0x{:016X}, "
- "src_address=0x{:016X}, size=0x{:016X}",
- process_handle, dst_address, src_address, size);
- if (!Common::Is4KBAligned(src_address)) {
- LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
- src_address);
- return ResultInvalidAddress;
- }
- if (!Common::Is4KBAligned(dst_address)) {
- LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
- dst_address);
- return ResultInvalidAddress;
- }
- if (size == 0 || !Common::Is4KBAligned(size)) {
- LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X})", size);
- return ResultInvalidSize;
- }
- if (!IsValidAddressRange(dst_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination address range overflows the address space (dst_address=0x{:016X}, "
- "size=0x{:016X}).",
- dst_address, size);
- return ResultInvalidCurrentMemory;
- }
- if (!IsValidAddressRange(src_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Source address range overflows the address space (src_address=0x{:016X}, "
- "size=0x{:016X}).",
- src_address, size);
- return ResultInvalidCurrentMemory;
- }
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
- if (process.IsNull()) {
- LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
- process_handle);
- return ResultInvalidHandle;
- }
- auto& page_table = process->PageTable();
- if (!page_table.IsInsideAddressSpace(src_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Source address range is not within the address space (src_address=0x{:016X}, "
- "size=0x{:016X}).",
- src_address, size);
- return ResultInvalidCurrentMemory;
- }
- if (!page_table.IsInsideASLRRegion(dst_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
- "size=0x{:016X}).",
- dst_address, size);
- return ResultInvalidMemoryRegion;
- }
- return page_table.MapCodeMemory(dst_address, src_address, size);
- }
- static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle,
- u64 dst_address, u64 src_address, u64 size) {
- LOG_DEBUG(Kernel_SVC,
- "called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, "
- "size=0x{:016X}",
- process_handle, dst_address, src_address, size);
- if (!Common::Is4KBAligned(dst_address)) {
- LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
- dst_address);
- return ResultInvalidAddress;
- }
- if (!Common::Is4KBAligned(src_address)) {
- LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
- src_address);
- return ResultInvalidAddress;
- }
- if (size == 0 || !Common::Is4KBAligned(size)) {
- LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X}).", size);
- return ResultInvalidSize;
- }
- if (!IsValidAddressRange(dst_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination address range overflows the address space (dst_address=0x{:016X}, "
- "size=0x{:016X}).",
- dst_address, size);
- return ResultInvalidCurrentMemory;
- }
- if (!IsValidAddressRange(src_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Source address range overflows the address space (src_address=0x{:016X}, "
- "size=0x{:016X}).",
- src_address, size);
- return ResultInvalidCurrentMemory;
- }
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
- if (process.IsNull()) {
- LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
- process_handle);
- return ResultInvalidHandle;
- }
- auto& page_table = process->PageTable();
- if (!page_table.IsInsideAddressSpace(src_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Source address range is not within the address space (src_address=0x{:016X}, "
- "size=0x{:016X}).",
- src_address, size);
- return ResultInvalidCurrentMemory;
- }
- if (!page_table.IsInsideASLRRegion(dst_address, size)) {
- LOG_ERROR(Kernel_SVC,
- "Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
- "size=0x{:016X}).",
- dst_address, size);
- return ResultInvalidMemoryRegion;
- }
- return page_table.UnmapCodeMemory(dst_address, src_address, size,
- KPageTable::ICacheInvalidationStrategy::InvalidateAll);
- }
- /// Exits the current process
- static void ExitProcess(Core::System& system) {
- auto* current_process = system.Kernel().CurrentProcess();
- UNIMPLEMENTED();
- LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
- ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
- "Process has already exited");
- }
- static void ExitProcess32(Core::System& system) {
- ExitProcess(system);
- }
- namespace {
- constexpr bool IsValidVirtualCoreId(int32_t core_id) {
- return (0 <= core_id && core_id < static_cast<int32_t>(Core::Hardware::NUM_CPU_CORES));
- }
- } // Anonymous namespace
- /// Creates a new thread
- static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
- VAddr stack_bottom, u32 priority, s32 core_id) {
- LOG_DEBUG(Kernel_SVC,
- "called entry_point=0x{:08X}, arg=0x{:08X}, stack_bottom=0x{:08X}, "
- "priority=0x{:08X}, core_id=0x{:08X}",
- entry_point, arg, stack_bottom, priority, core_id);
- // Adjust core id, if it's the default magic.
- auto& kernel = system.Kernel();
- auto& process = *kernel.CurrentProcess();
- if (core_id == IdealCoreUseProcessValue) {
- core_id = process.GetIdealCoreId();
- }
- // Validate arguments.
- if (!IsValidVirtualCoreId(core_id)) {
- LOG_ERROR(Kernel_SVC, "Invalid Core ID specified (id={})", core_id);
- return ResultInvalidCoreId;
- }
- if (((1ULL << core_id) & process.GetCoreMask()) == 0) {
- LOG_ERROR(Kernel_SVC, "Core ID doesn't fall within allowable cores (id={})", core_id);
- return ResultInvalidCoreId;
- }
- if (HighestThreadPriority > priority || priority > LowestThreadPriority) {
- LOG_ERROR(Kernel_SVC, "Invalid priority specified (priority={})", priority);
- return ResultInvalidPriority;
- }
- if (!process.CheckThreadPriority(priority)) {
- LOG_ERROR(Kernel_SVC, "Invalid allowable thread priority (priority={})", priority);
- return ResultInvalidPriority;
- }
- // Reserve a new thread from the process resource limit (waiting up to 100ms).
- KScopedResourceReservation thread_reservation(
- kernel.CurrentProcess(), LimitableResource::Threads, 1,
- system.CoreTiming().GetGlobalTimeNs().count() + 100000000);
- if (!thread_reservation.Succeeded()) {
- LOG_ERROR(Kernel_SVC, "Could not reserve a new thread");
- return ResultLimitReached;
- }
- // Create the thread.
- KThread* thread = KThread::Create(kernel);
- if (!thread) {
- LOG_ERROR(Kernel_SVC, "Unable to create new threads. Thread creation limit reached.");
- return ResultOutOfResource;
- }
- SCOPE_EXIT({ thread->Close(); });
- // Initialize the thread.
- {
- KScopedLightLock lk{process.GetStateLock()};
- R_TRY(KThread::InitializeUserThread(system, thread, entry_point, arg, stack_bottom,
- priority, core_id, &process));
- }
- // Set the thread name for debugging purposes.
- thread->SetName(fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *out_handle));
- // Commit the thread reservation.
- thread_reservation.Commit();
- // Register the new thread.
- KThread::Register(kernel, thread);
- // Add the thread to the handle table.
- R_TRY(process.GetHandleTable().Add(out_handle, thread));
- return ResultSuccess;
- }
- static ResultCode CreateThread32(Core::System& system, Handle* out_handle, u32 priority,
- u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) {
- return CreateThread(system, out_handle, entry_point, arg, stack_top, priority, processor_id);
- }
- /// Starts the thread for the provided handle
- static ResultCode StartThread(Core::System& system, Handle thread_handle) {
- LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Try to start the thread.
- R_TRY(thread->Run());
- // If we succeeded, persist a reference to the thread.
- thread->Open();
- system.Kernel().RegisterInUseObject(thread.GetPointerUnsafe());
- return ResultSuccess;
- }
- static ResultCode StartThread32(Core::System& system, Handle thread_handle) {
- return StartThread(system, thread_handle);
- }
- /// Called when a thread exits
- static void ExitThread(Core::System& system) {
- LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
- auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
- system.GlobalSchedulerContext().RemoveThread(current_thread);
- current_thread->Exit();
- system.Kernel().UnregisterInUseObject(current_thread);
- }
- static void ExitThread32(Core::System& system) {
- ExitThread(system);
- }
- /// Sleep the current thread
- static void SleepThread(Core::System& system, s64 nanoseconds) {
- auto& kernel = system.Kernel();
- const auto yield_type = static_cast<Svc::YieldType>(nanoseconds);
- LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds);
- // When the input tick is positive, sleep.
- if (nanoseconds > 0) {
- // Convert the timeout from nanoseconds to ticks.
- // NOTE: Nintendo does not use this conversion logic in WaitSynchronization...
- // Sleep.
- // NOTE: Nintendo does not check the result of this sleep.
- static_cast<void>(GetCurrentThread(kernel).Sleep(nanoseconds));
- } else if (yield_type == Svc::YieldType::WithoutCoreMigration) {
- KScheduler::YieldWithoutCoreMigration(kernel);
- } else if (yield_type == Svc::YieldType::WithCoreMigration) {
- KScheduler::YieldWithCoreMigration(kernel);
- } else if (yield_type == Svc::YieldType::ToAnyThread) {
- KScheduler::YieldToAnyThread(kernel);
- } else {
- // Nintendo does nothing at all if an otherwise invalid value is passed.
- ASSERT_MSG(false, "Unimplemented sleep yield type '{:016X}'!", nanoseconds);
- }
- }
- static void SleepThread32(Core::System& system, u32 nanoseconds_low, u32 nanoseconds_high) {
- const auto nanoseconds = static_cast<s64>(u64{nanoseconds_low} | (u64{nanoseconds_high} << 32));
- SleepThread(system, nanoseconds);
- }
- /// Wait process wide key atomic
- static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr address, VAddr cv_key,
- u32 tag, s64 timeout_ns) {
- LOG_TRACE(Kernel_SVC, "called address={:X}, cv_key={:X}, tag=0x{:08X}, timeout_ns={}", address,
- cv_key, tag, timeout_ns);
- // Validate input.
- if (IsKernelAddress(address)) {
- LOG_ERROR(Kernel_SVC, "Attempted to wait on kernel address (address={:08X})", address);
- return ResultInvalidCurrentMemory;
- }
- if (!Common::IsAligned(address, sizeof(s32))) {
- LOG_ERROR(Kernel_SVC, "Address must be 4 byte aligned (address={:08X})", address);
- return ResultInvalidAddress;
- }
- // Convert timeout from nanoseconds to ticks.
- s64 timeout{};
- if (timeout_ns > 0) {
- const s64 offset_tick(timeout_ns);
- if (offset_tick > 0) {
- timeout = offset_tick + 2;
- if (timeout <= 0) {
- timeout = std::numeric_limits<s64>::max();
- }
- } else {
- timeout = std::numeric_limits<s64>::max();
- }
- } else {
- timeout = timeout_ns;
- }
- // Wait on the condition variable.
- return system.Kernel().CurrentProcess()->WaitConditionVariable(
- address, Common::AlignDown(cv_key, sizeof(u32)), tag, timeout);
- }
- static ResultCode WaitProcessWideKeyAtomic32(Core::System& system, u32 address, u32 cv_key, u32 tag,
- u32 timeout_ns_low, u32 timeout_ns_high) {
- const auto timeout_ns = static_cast<s64>(timeout_ns_low | (u64{timeout_ns_high} << 32));
- return WaitProcessWideKeyAtomic(system, address, cv_key, tag, timeout_ns);
- }
- /// Signal process wide key
- static void SignalProcessWideKey(Core::System& system, VAddr cv_key, s32 count) {
- LOG_TRACE(Kernel_SVC, "called, cv_key=0x{:X}, count=0x{:08X}", cv_key, count);
- // Signal the condition variable.
- return system.Kernel().CurrentProcess()->SignalConditionVariable(
- Common::AlignDown(cv_key, sizeof(u32)), count);
- }
- static void SignalProcessWideKey32(Core::System& system, u32 cv_key, s32 count) {
- SignalProcessWideKey(system, cv_key, count);
- }
- namespace {
- constexpr bool IsValidSignalType(Svc::SignalType type) {
- switch (type) {
- case Svc::SignalType::Signal:
- case Svc::SignalType::SignalAndIncrementIfEqual:
- case Svc::SignalType::SignalAndModifyByWaitingCountIfEqual:
- return true;
- default:
- return false;
- }
- }
- constexpr bool IsValidArbitrationType(Svc::ArbitrationType type) {
- switch (type) {
- case Svc::ArbitrationType::WaitIfLessThan:
- case Svc::ArbitrationType::DecrementAndWaitIfLessThan:
- case Svc::ArbitrationType::WaitIfEqual:
- return true;
- default:
- return false;
- }
- }
- } // namespace
- // Wait for an address (via Address Arbiter)
- static ResultCode WaitForAddress(Core::System& system, VAddr address, Svc::ArbitrationType arb_type,
- s32 value, s64 timeout_ns) {
- LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, arb_type=0x{:X}, value=0x{:X}, timeout_ns={}",
- address, arb_type, value, timeout_ns);
- // Validate input.
- if (IsKernelAddress(address)) {
- LOG_ERROR(Kernel_SVC, "Attempting to wait on kernel address (address={:08X})", address);
- return ResultInvalidCurrentMemory;
- }
- if (!Common::IsAligned(address, sizeof(s32))) {
- LOG_ERROR(Kernel_SVC, "Wait address must be 4 byte aligned (address={:08X})", address);
- return ResultInvalidAddress;
- }
- if (!IsValidArbitrationType(arb_type)) {
- LOG_ERROR(Kernel_SVC, "Invalid arbitration type specified (type={})", arb_type);
- return ResultInvalidEnumValue;
- }
- // Convert timeout from nanoseconds to ticks.
- s64 timeout{};
- if (timeout_ns > 0) {
- const s64 offset_tick(timeout_ns);
- if (offset_tick > 0) {
- timeout = offset_tick + 2;
- if (timeout <= 0) {
- timeout = std::numeric_limits<s64>::max();
- }
- } else {
- timeout = std::numeric_limits<s64>::max();
- }
- } else {
- timeout = timeout_ns;
- }
- return system.Kernel().CurrentProcess()->WaitAddressArbiter(address, arb_type, value, timeout);
- }
- static ResultCode WaitForAddress32(Core::System& system, u32 address, Svc::ArbitrationType arb_type,
- s32 value, u32 timeout_ns_low, u32 timeout_ns_high) {
- const auto timeout = static_cast<s64>(timeout_ns_low | (u64{timeout_ns_high} << 32));
- return WaitForAddress(system, address, arb_type, value, timeout);
- }
- // Signals to an address (via Address Arbiter)
- static ResultCode SignalToAddress(Core::System& system, VAddr address, Svc::SignalType signal_type,
- s32 value, s32 count) {
- LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, signal_type=0x{:X}, value=0x{:X}, count=0x{:X}",
- address, signal_type, value, count);
- // Validate input.
- if (IsKernelAddress(address)) {
- LOG_ERROR(Kernel_SVC, "Attempting to signal to a kernel address (address={:08X})", address);
- return ResultInvalidCurrentMemory;
- }
- if (!Common::IsAligned(address, sizeof(s32))) {
- LOG_ERROR(Kernel_SVC, "Signaled address must be 4 byte aligned (address={:08X})", address);
- return ResultInvalidAddress;
- }
- if (!IsValidSignalType(signal_type)) {
- LOG_ERROR(Kernel_SVC, "Invalid signal type specified (type={})", signal_type);
- return ResultInvalidEnumValue;
- }
- return system.Kernel().CurrentProcess()->SignalAddressArbiter(address, signal_type, value,
- count);
- }
- static void SynchronizePreemptionState(Core::System& system) {
- auto& kernel = system.Kernel();
- // Lock the scheduler.
- KScopedSchedulerLock sl{kernel};
- // If the current thread is pinned, unpin it.
- KProcess* cur_process = system.Kernel().CurrentProcess();
- const auto core_id = GetCurrentCoreId(kernel);
- if (cur_process->GetPinnedThread(core_id) == GetCurrentThreadPointer(kernel)) {
- // Clear the current thread's interrupt flag.
- GetCurrentThread(kernel).ClearInterruptFlag();
- // Unpin the current thread.
- cur_process->UnpinCurrentThread(core_id);
- }
- }
- static ResultCode SignalToAddress32(Core::System& system, u32 address, Svc::SignalType signal_type,
- s32 value, s32 count) {
- return SignalToAddress(system, address, signal_type, value, count);
- }
- static void KernelDebug([[maybe_unused]] Core::System& system,
- [[maybe_unused]] u32 kernel_debug_type, [[maybe_unused]] u64 param1,
- [[maybe_unused]] u64 param2, [[maybe_unused]] u64 param3) {
- // Intentionally do nothing, as this does nothing in released kernel binaries.
- }
- static void ChangeKernelTraceState([[maybe_unused]] Core::System& system,
- [[maybe_unused]] u32 trace_state) {
- // Intentionally do nothing, as this does nothing in released kernel binaries.
- }
- /// This returns the total CPU ticks elapsed since the CPU was powered-on
- static u64 GetSystemTick(Core::System& system) {
- LOG_TRACE(Kernel_SVC, "called");
- auto& core_timing = system.CoreTiming();
- // Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick)
- const u64 result{system.CoreTiming().GetClockTicks()};
- if (!system.Kernel().IsMulticore()) {
- core_timing.AddTicks(400U);
- }
- return result;
- }
- static void GetSystemTick32(Core::System& system, u32* time_low, u32* time_high) {
- const auto time = GetSystemTick(system);
- *time_low = static_cast<u32>(time);
- *time_high = static_cast<u32>(time >> 32);
- }
- /// Close a handle
- static ResultCode CloseHandle(Core::System& system, Handle handle) {
- LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle);
- // Remove the handle.
- R_UNLESS(system.Kernel().CurrentProcess()->GetHandleTable().Remove(handle),
- ResultInvalidHandle);
- return ResultSuccess;
- }
- static ResultCode CloseHandle32(Core::System& system, Handle handle) {
- return CloseHandle(system, handle);
- }
- /// Clears the signaled state of an event or process.
- static ResultCode ResetSignal(Core::System& system, Handle handle) {
- LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);
- // Get the current handle table.
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- // Try to reset as readable event.
- {
- KScopedAutoObject readable_event = handle_table.GetObject<KReadableEvent>(handle);
- if (readable_event.IsNotNull()) {
- return readable_event->Reset();
- }
- }
- // Try to reset as process.
- {
- KScopedAutoObject process = handle_table.GetObject<KProcess>(handle);
- if (process.IsNotNull()) {
- return process->Reset();
- }
- }
- LOG_ERROR(Kernel_SVC, "invalid handle (0x{:08X})", handle);
- return ResultInvalidHandle;
- }
- static ResultCode ResetSignal32(Core::System& system, Handle handle) {
- return ResetSignal(system, handle);
- }
- namespace {
- constexpr bool IsValidTransferMemoryPermission(MemoryPermission perm) {
- switch (perm) {
- case MemoryPermission::None:
- case MemoryPermission::Read:
- case MemoryPermission::ReadWrite:
- return true;
- default:
- return false;
- }
- }
- } // Anonymous namespace
- /// Creates a TransferMemory object
- static ResultCode CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
- MemoryPermission map_perm) {
- auto& kernel = system.Kernel();
- // Validate the size.
- R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
- R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
- // Validate the permissions.
- R_UNLESS(IsValidTransferMemoryPermission(map_perm), ResultInvalidNewMemoryPermission);
- // Get the current process and handle table.
- auto& process = *kernel.CurrentProcess();
- auto& handle_table = process.GetHandleTable();
- // Reserve a new transfer memory from the process resource limit.
- KScopedResourceReservation trmem_reservation(kernel.CurrentProcess(),
- LimitableResource::TransferMemory);
- R_UNLESS(trmem_reservation.Succeeded(), ResultLimitReached);
- // Create the transfer memory.
- KTransferMemory* trmem = KTransferMemory::Create(kernel);
- R_UNLESS(trmem != nullptr, ResultOutOfResource);
- // Ensure the only reference is in the handle table when we're done.
- SCOPE_EXIT({ trmem->Close(); });
- // Ensure that the region is in range.
- R_UNLESS(process.PageTable().Contains(address, size), ResultInvalidCurrentMemory);
- // Initialize the transfer memory.
- R_TRY(trmem->Initialize(address, size, map_perm));
- // Commit the reservation.
- trmem_reservation.Commit();
- // Register the transfer memory.
- KTransferMemory::Register(kernel, trmem);
- // Add the transfer memory to the handle table.
- R_TRY(handle_table.Add(out, trmem));
- return ResultSuccess;
- }
- static ResultCode CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
- MemoryPermission map_perm) {
- return CreateTransferMemory(system, out, address, size, map_perm);
- }
- static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, s32* out_core_id,
- u64* out_affinity_mask) {
- LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Get the core mask.
- R_TRY(thread->GetCoreMask(out_core_id, out_affinity_mask));
- return ResultSuccess;
- }
- static ResultCode GetThreadCoreMask32(Core::System& system, Handle thread_handle, s32* out_core_id,
- u32* out_affinity_mask_low, u32* out_affinity_mask_high) {
- u64 out_affinity_mask{};
- const auto result = GetThreadCoreMask(system, thread_handle, out_core_id, &out_affinity_mask);
- *out_affinity_mask_high = static_cast<u32>(out_affinity_mask >> 32);
- *out_affinity_mask_low = static_cast<u32>(out_affinity_mask);
- return result;
- }
- static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, s32 core_id,
- u64 affinity_mask) {
- // Determine the core id/affinity mask.
- if (core_id == IdealCoreUseProcessValue) {
- core_id = system.Kernel().CurrentProcess()->GetIdealCoreId();
- affinity_mask = (1ULL << core_id);
- } else {
- // Validate the affinity mask.
- const u64 process_core_mask = system.Kernel().CurrentProcess()->GetCoreMask();
- R_UNLESS((affinity_mask | process_core_mask) == process_core_mask, ResultInvalidCoreId);
- R_UNLESS(affinity_mask != 0, ResultInvalidCombination);
- // Validate the core id.
- if (IsValidVirtualCoreId(core_id)) {
- R_UNLESS(((1ULL << core_id) & affinity_mask) != 0, ResultInvalidCombination);
- } else {
- R_UNLESS(core_id == IdealCoreNoUpdate || core_id == IdealCoreDontCare,
- ResultInvalidCoreId);
- }
- }
- // Get the thread from its handle.
- KScopedAutoObject thread =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
- R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
- // Set the core mask.
- R_TRY(thread->SetCoreMask(core_id, affinity_mask));
- return ResultSuccess;
- }
- static ResultCode SetThreadCoreMask32(Core::System& system, Handle thread_handle, s32 core_id,
- u32 affinity_mask_low, u32 affinity_mask_high) {
- const auto affinity_mask = u64{affinity_mask_low} | (u64{affinity_mask_high} << 32);
- return SetThreadCoreMask(system, thread_handle, core_id, affinity_mask);
- }
- static ResultCode SignalEvent(Core::System& system, Handle event_handle) {
- LOG_DEBUG(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
- // Get the current handle table.
- const KHandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- // Get the writable event.
- KScopedAutoObject writable_event = handle_table.GetObject<KWritableEvent>(event_handle);
- R_UNLESS(writable_event.IsNotNull(), ResultInvalidHandle);
- return writable_event->Signal();
- }
- static ResultCode SignalEvent32(Core::System& system, Handle event_handle) {
- return SignalEvent(system, event_handle);
- }
- static ResultCode ClearEvent(Core::System& system, Handle event_handle) {
- LOG_TRACE(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
- // Get the current handle table.
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- // Try to clear the writable event.
- {
- KScopedAutoObject writable_event = handle_table.GetObject<KWritableEvent>(event_handle);
- if (writable_event.IsNotNull()) {
- return writable_event->Clear();
- }
- }
- // Try to clear the readable event.
- {
- KScopedAutoObject readable_event = handle_table.GetObject<KReadableEvent>(event_handle);
- if (readable_event.IsNotNull()) {
- return readable_event->Clear();
- }
- }
- LOG_ERROR(Kernel_SVC, "Event handle does not exist, event_handle=0x{:08X}", event_handle);
- return ResultInvalidHandle;
- }
- static ResultCode ClearEvent32(Core::System& system, Handle event_handle) {
- return ClearEvent(system, event_handle);
- }
- static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* out_read) {
- LOG_DEBUG(Kernel_SVC, "called");
- // Get the kernel reference and handle table.
- auto& kernel = system.Kernel();
- auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
- // Reserve a new event from the process resource limit
- KScopedResourceReservation event_reservation(kernel.CurrentProcess(),
- LimitableResource::Events);
- R_UNLESS(event_reservation.Succeeded(), ResultLimitReached);
- // Create a new event.
- KEvent* event = KEvent::Create(kernel);
- R_UNLESS(event != nullptr, ResultOutOfResource);
- // Initialize the event.
- event->Initialize("CreateEvent", kernel.CurrentProcess());
- // Commit the thread reservation.
- event_reservation.Commit();
- // Ensure that we clean up the event (and its only references are handle table) on function end.
- SCOPE_EXIT({
- event->GetWritableEvent().Close();
- event->GetReadableEvent().Close();
- });
- // Register the event.
- KEvent::Register(kernel, event);
- // Add the writable event to the handle table.
- R_TRY(handle_table.Add(out_write, std::addressof(event->GetWritableEvent())));
- // Add the writable event to the handle table.
- auto handle_guard = SCOPE_GUARD({ handle_table.Remove(*out_write); });
- // Add the readable event to the handle table.
- R_TRY(handle_table.Add(out_read, std::addressof(event->GetReadableEvent())));
- // We succeeded.
- handle_guard.Cancel();
- return ResultSuccess;
- }
- static ResultCode CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
- return CreateEvent(system, out_write, out_read);
- }
- static ResultCode GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type) {
- LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, type);
- // This function currently only allows retrieving a process' status.
- enum class InfoType {
- Status,
- };
- const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
- KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
- if (process.IsNull()) {
- LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
- process_handle);
- return ResultInvalidHandle;
- }
- const auto info_type = static_cast<InfoType>(type);
- if (info_type != InfoType::Status) {
- LOG_ERROR(Kernel_SVC, "Expected info_type to be Status but got {} instead", type);
- return ResultInvalidEnumValue;
- }
- *out = static_cast<u64>(process->GetStatus());
- return ResultSuccess;
- }
- static ResultCode CreateResourceLimit(Core::System& system, Handle* out_handle) {
- LOG_DEBUG(Kernel_SVC, "called");
- // Create a new resource limit.
- auto& kernel = system.Kernel();
- KResourceLimit* resource_limit = KResourceLimit::Create(kernel);
- R_UNLESS(resource_limit != nullptr, ResultOutOfResource);
- // Ensure we don't leak a reference to the limit.
- SCOPE_EXIT({ resource_limit->Close(); });
- // Initialize the resource limit.
- resource_limit->Initialize(&system.CoreTiming());
- // Register the limit.
- KResourceLimit::Register(kernel, resource_limit);
- // Add the limit to the handle table.
- R_TRY(kernel.CurrentProcess()->GetHandleTable().Add(out_handle, resource_limit));
- return ResultSuccess;
- }
- static ResultCode GetResourceLimitLimitValue(Core::System& system, u64* out_limit_value,
- Handle resource_limit_handle,
- LimitableResource which) {
- LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}", resource_limit_handle,
- which);
- // Validate the resource.
- R_UNLESS(IsValidResourceType(which), ResultInvalidEnumValue);
- // Get the resource limit.
- auto& kernel = system.Kernel();
- KScopedAutoObject resource_limit =
- kernel.CurrentProcess()->GetHandleTable().GetObject<KResourceLimit>(resource_limit_handle);
- R_UNLESS(resource_limit.IsNotNull(), ResultInvalidHandle);
- // Get the limit value.
- *out_limit_value = resource_limit->GetLimitValue(which);
- return ResultSuccess;
- }
- static ResultCode GetResourceLimitCurrentValue(Core::System& system, u64* out_current_value,
- Handle resource_limit_handle,
- LimitableResource which) {
- LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}", resource_limit_handle,
- which);
- // Validate the resource.
- R_UNLESS(IsValidResourceType(which), ResultInvalidEnumValue);
- // Get the resource limit.
- auto& kernel = system.Kernel();
- KScopedAutoObject resource_limit =
- kernel.CurrentProcess()->GetHandleTable().GetObject<KResourceLimit>(resource_limit_handle);
- R_UNLESS(resource_limit.IsNotNull(), ResultInvalidHandle);
- // Get the current value.
- *out_current_value = resource_limit->GetCurrentValue(which);
- return ResultSuccess;
- }
- static ResultCode SetResourceLimitLimitValue(Core::System& system, Handle resource_limit_handle,
- LimitableResource which, u64 limit_value) {
- LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}, limit_value={}",
- resource_limit_handle, which, limit_value);
- // Validate the resource.
- R_UNLESS(IsValidResourceType(which), ResultInvalidEnumValue);
- // Get the resource limit.
- auto& kernel = system.Kernel();
- KScopedAutoObject resource_limit =
- kernel.CurrentProcess()->GetHandleTable().GetObject<KResourceLimit>(resource_limit_handle);
- R_UNLESS(resource_limit.IsNotNull(), ResultInvalidHandle);
- // Set the limit value.
- R_TRY(resource_limit->SetLimitValue(which, limit_value));
- return ResultSuccess;
- }
- static ResultCode GetProcessList(Core::System& system, u32* out_num_processes,
- VAddr out_process_ids, u32 out_process_ids_size) {
- LOG_DEBUG(Kernel_SVC, "called. out_process_ids=0x{:016X}, out_process_ids_size={}",
- out_process_ids, out_process_ids_size);
- // If the supplied size is negative or greater than INT32_MAX / sizeof(u64), bail.
- if ((out_process_ids_size & 0xF0000000) != 0) {
- LOG_ERROR(Kernel_SVC,
- "Supplied size outside [0, 0x0FFFFFFF] range. out_process_ids_size={}",
- out_process_ids_size);
- return ResultOutOfRange;
- }
- const auto& kernel = system.Kernel();
- const auto total_copy_size = out_process_ids_size * sizeof(u64);
- if (out_process_ids_size > 0 && !kernel.CurrentProcess()->PageTable().IsInsideAddressSpace(
- out_process_ids, total_copy_size)) {
- LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
- out_process_ids, out_process_ids + total_copy_size);
- return ResultInvalidCurrentMemory;
- }
- auto& memory = system.Memory();
- const auto& process_list = kernel.GetProcessList();
- const auto num_processes = process_list.size();
- const auto copy_amount = std::min(std::size_t{out_process_ids_size}, num_processes);
- for (std::size_t i = 0; i < copy_amount; ++i) {
- memory.Write64(out_process_ids, process_list[i]->GetProcessID());
- out_process_ids += sizeof(u64);
- }
- *out_num_processes = static_cast<u32>(num_processes);
- return ResultSuccess;
- }
- static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
- u32 out_thread_ids_size, Handle debug_handle) {
- // TODO: Handle this case when debug events are supported.
- UNIMPLEMENTED_IF(debug_handle != InvalidHandle);
- LOG_DEBUG(Kernel_SVC, "called. out_thread_ids=0x{:016X}, out_thread_ids_size={}",
- out_thread_ids, out_thread_ids_size);
- // If the size is negative or larger than INT32_MAX / sizeof(u64)
- if ((out_thread_ids_size & 0xF0000000) != 0) {
- LOG_ERROR(Kernel_SVC, "Supplied size outside [0, 0x0FFFFFFF] range. size={}",
- out_thread_ids_size);
- return ResultOutOfRange;
- }
- auto* const current_process = system.Kernel().CurrentProcess();
- const auto total_copy_size = out_thread_ids_size * sizeof(u64);
- if (out_thread_ids_size > 0 &&
- !current_process->PageTable().IsInsideAddressSpace(out_thread_ids, total_copy_size)) {
- LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
- out_thread_ids, out_thread_ids + total_copy_size);
- return ResultInvalidCurrentMemory;
- }
- auto& memory = system.Memory();
- const auto& thread_list = current_process->GetThreadList();
- const auto num_threads = thread_list.size();
- const auto copy_amount = std::min(std::size_t{out_thread_ids_size}, num_threads);
- auto list_iter = thread_list.cbegin();
- for (std::size_t i = 0; i < copy_amount; ++i, ++list_iter) {
- memory.Write64(out_thread_ids, (*list_iter)->GetThreadID());
- out_thread_ids += sizeof(u64);
- }
- *out_num_threads = static_cast<u32>(num_threads);
- return ResultSuccess;
- }
- static ResultCode FlushProcessDataCache32([[maybe_unused]] Core::System& system,
- [[maybe_unused]] Handle handle,
- [[maybe_unused]] u32 address, [[maybe_unused]] u32 size) {
- // Note(Blinkhawk): For emulation purposes of the data cache this is mostly a no-op,
- // as all emulation is done in the same cache level in host architecture, thus data cache
- // does not need flushing.
- LOG_DEBUG(Kernel_SVC, "called");
- return ResultSuccess;
- }
- namespace {
- struct FunctionDef {
- using Func = void(Core::System&);
- u32 id;
- Func* func;
- const char* name;
- };
- } // namespace
- static const FunctionDef SVC_Table_32[] = {
- {0x00, nullptr, "Unknown0"},
- {0x01, SvcWrap32<SetHeapSize32>, "SetHeapSize32"},
- {0x02, nullptr, "SetMemoryPermission32"},
- {0x03, SvcWrap32<SetMemoryAttribute32>, "SetMemoryAttribute32"},
- {0x04, SvcWrap32<MapMemory32>, "MapMemory32"},
- {0x05, SvcWrap32<UnmapMemory32>, "UnmapMemory32"},
- {0x06, SvcWrap32<QueryMemory32>, "QueryMemory32"},
- {0x07, SvcWrap32<ExitProcess32>, "ExitProcess32"},
- {0x08, SvcWrap32<CreateThread32>, "CreateThread32"},
- {0x09, SvcWrap32<StartThread32>, "StartThread32"},
- {0x0a, SvcWrap32<ExitThread32>, "ExitThread32"},
- {0x0b, SvcWrap32<SleepThread32>, "SleepThread32"},
- {0x0c, SvcWrap32<GetThreadPriority32>, "GetThreadPriority32"},
- {0x0d, SvcWrap32<SetThreadPriority32>, "SetThreadPriority32"},
- {0x0e, SvcWrap32<GetThreadCoreMask32>, "GetThreadCoreMask32"},
- {0x0f, SvcWrap32<SetThreadCoreMask32>, "SetThreadCoreMask32"},
- {0x10, SvcWrap32<GetCurrentProcessorNumber32>, "GetCurrentProcessorNumber32"},
- {0x11, SvcWrap32<SignalEvent32>, "SignalEvent32"},
- {0x12, SvcWrap32<ClearEvent32>, "ClearEvent32"},
- {0x13, SvcWrap32<MapSharedMemory32>, "MapSharedMemory32"},
- {0x14, SvcWrap32<UnmapSharedMemory32>, "UnmapSharedMemory32"},
- {0x15, SvcWrap32<CreateTransferMemory32>, "CreateTransferMemory32"},
- {0x16, SvcWrap32<CloseHandle32>, "CloseHandle32"},
- {0x17, SvcWrap32<ResetSignal32>, "ResetSignal32"},
- {0x18, SvcWrap32<WaitSynchronization32>, "WaitSynchronization32"},
- {0x19, SvcWrap32<CancelSynchronization32>, "CancelSynchronization32"},
- {0x1a, SvcWrap32<ArbitrateLock32>, "ArbitrateLock32"},
- {0x1b, SvcWrap32<ArbitrateUnlock32>, "ArbitrateUnlock32"},
- {0x1c, SvcWrap32<WaitProcessWideKeyAtomic32>, "WaitProcessWideKeyAtomic32"},
- {0x1d, SvcWrap32<SignalProcessWideKey32>, "SignalProcessWideKey32"},
- {0x1e, SvcWrap32<GetSystemTick32>, "GetSystemTick32"},
- {0x1f, SvcWrap32<ConnectToNamedPort32>, "ConnectToNamedPort32"},
- {0x20, nullptr, "SendSyncRequestLight32"},
- {0x21, SvcWrap32<SendSyncRequest32>, "SendSyncRequest32"},
- {0x22, nullptr, "SendSyncRequestWithUserBuffer32"},
- {0x23, nullptr, "SendAsyncRequestWithUserBuffer32"},
- {0x24, SvcWrap32<GetProcessId32>, "GetProcessId32"},
- {0x25, SvcWrap32<GetThreadId32>, "GetThreadId32"},
- {0x26, SvcWrap32<Break32>, "Break32"},
- {0x27, SvcWrap32<OutputDebugString32>, "OutputDebugString32"},
- {0x28, nullptr, "ReturnFromException32"},
- {0x29, SvcWrap32<GetInfo32>, "GetInfo32"},
- {0x2a, nullptr, "FlushEntireDataCache32"},
- {0x2b, nullptr, "FlushDataCache32"},
- {0x2c, SvcWrap32<MapPhysicalMemory32>, "MapPhysicalMemory32"},
- {0x2d, SvcWrap32<UnmapPhysicalMemory32>, "UnmapPhysicalMemory32"},
- {0x2e, nullptr, "GetDebugFutureThreadInfo32"},
- {0x2f, nullptr, "GetLastThreadInfo32"},
- {0x30, nullptr, "GetResourceLimitLimitValue32"},
- {0x31, nullptr, "GetResourceLimitCurrentValue32"},
- {0x32, SvcWrap32<SetThreadActivity32>, "SetThreadActivity32"},
- {0x33, SvcWrap32<GetThreadContext32>, "GetThreadContext32"},
- {0x34, SvcWrap32<WaitForAddress32>, "WaitForAddress32"},
- {0x35, SvcWrap32<SignalToAddress32>, "SignalToAddress32"},
- {0x36, SvcWrap32<SynchronizePreemptionState>, "SynchronizePreemptionState32"},
- {0x37, nullptr, "GetResourceLimitPeakValue32"},
- {0x38, nullptr, "Unknown38"},
- {0x39, nullptr, "CreateIoPool32"},
- {0x3a, nullptr, "CreateIoRegion32"},
- {0x3b, nullptr, "Unknown3b"},
- {0x3c, nullptr, "KernelDebug32"},
- {0x3d, nullptr, "ChangeKernelTraceState32"},
- {0x3e, nullptr, "Unknown3e"},
- {0x3f, nullptr, "Unknown3f"},
- {0x40, nullptr, "CreateSession32"},
- {0x41, nullptr, "AcceptSession32"},
- {0x42, nullptr, "ReplyAndReceiveLight32"},
- {0x43, nullptr, "ReplyAndReceive32"},
- {0x44, nullptr, "ReplyAndReceiveWithUserBuffer32"},
- {0x45, SvcWrap32<CreateEvent32>, "CreateEvent32"},
- {0x46, nullptr, "MapIoRegion32"},
- {0x47, nullptr, "UnmapIoRegion32"},
- {0x48, nullptr, "MapPhysicalMemoryUnsafe32"},
- {0x49, nullptr, "UnmapPhysicalMemoryUnsafe32"},
- {0x4a, nullptr, "SetUnsafeLimit32"},
- {0x4b, SvcWrap32<CreateCodeMemory32>, "CreateCodeMemory32"},
- {0x4c, SvcWrap32<ControlCodeMemory32>, "ControlCodeMemory32"},
- {0x4d, nullptr, "SleepSystem32"},
- {0x4e, nullptr, "ReadWriteRegister32"},
- {0x4f, nullptr, "SetProcessActivity32"},
- {0x50, nullptr, "CreateSharedMemory32"},
- {0x51, nullptr, "MapTransferMemory32"},
- {0x52, nullptr, "UnmapTransferMemory32"},
- {0x53, nullptr, "CreateInterruptEvent32"},
- {0x54, nullptr, "QueryPhysicalAddress32"},
- {0x55, nullptr, "QueryIoMapping32"},
- {0x56, nullptr, "CreateDeviceAddressSpace32"},
- {0x57, nullptr, "AttachDeviceAddressSpace32"},
- {0x58, nullptr, "DetachDeviceAddressSpace32"},
- {0x59, nullptr, "MapDeviceAddressSpaceByForce32"},
- {0x5a, nullptr, "MapDeviceAddressSpaceAligned32"},
- {0x5b, nullptr, "MapDeviceAddressSpace32"},
- {0x5c, nullptr, "UnmapDeviceAddressSpace32"},
- {0x5d, nullptr, "InvalidateProcessDataCache32"},
- {0x5e, nullptr, "StoreProcessDataCache32"},
- {0x5F, SvcWrap32<FlushProcessDataCache32>, "FlushProcessDataCache32"},
- {0x60, nullptr, "StoreProcessDataCache32"},
- {0x61, nullptr, "BreakDebugProcess32"},
- {0x62, nullptr, "TerminateDebugProcess32"},
- {0x63, nullptr, "GetDebugEvent32"},
- {0x64, nullptr, "ContinueDebugEvent32"},
- {0x65, nullptr, "GetProcessList32"},
- {0x66, nullptr, "GetThreadList"},
- {0x67, nullptr, "GetDebugThreadContext32"},
- {0x68, nullptr, "SetDebugThreadContext32"},
- {0x69, nullptr, "QueryDebugProcessMemory32"},
- {0x6A, nullptr, "ReadDebugProcessMemory32"},
- {0x6B, nullptr, "WriteDebugProcessMemory32"},
- {0x6C, nullptr, "SetHardwareBreakPoint32"},
- {0x6D, nullptr, "GetDebugThreadParam32"},
- {0x6E, nullptr, "Unknown6E"},
- {0x6f, nullptr, "GetSystemInfo32"},
- {0x70, nullptr, "CreatePort32"},
- {0x71, nullptr, "ManageNamedPort32"},
- {0x72, nullptr, "ConnectToPort32"},
- {0x73, nullptr, "SetProcessMemoryPermission32"},
- {0x74, nullptr, "MapProcessMemory32"},
- {0x75, nullptr, "UnmapProcessMemory32"},
- {0x76, nullptr, "QueryProcessMemory32"},
- {0x77, nullptr, "MapProcessCodeMemory32"},
- {0x78, nullptr, "UnmapProcessCodeMemory32"},
- {0x79, nullptr, "CreateProcess32"},
- {0x7A, nullptr, "StartProcess32"},
- {0x7B, nullptr, "TerminateProcess32"},
- {0x7C, nullptr, "GetProcessInfo32"},
- {0x7D, nullptr, "CreateResourceLimit32"},
- {0x7E, nullptr, "SetResourceLimitLimitValue32"},
- {0x7F, nullptr, "CallSecureMonitor32"},
- {0x80, nullptr, "Unknown"},
- {0x81, nullptr, "Unknown"},
- {0x82, nullptr, "Unknown"},
- {0x83, nullptr, "Unknown"},
- {0x84, nullptr, "Unknown"},
- {0x85, nullptr, "Unknown"},
- {0x86, nullptr, "Unknown"},
- {0x87, nullptr, "Unknown"},
- {0x88, nullptr, "Unknown"},
- {0x89, nullptr, "Unknown"},
- {0x8A, nullptr, "Unknown"},
- {0x8B, nullptr, "Unknown"},
- {0x8C, nullptr, "Unknown"},
- {0x8D, nullptr, "Unknown"},
- {0x8E, nullptr, "Unknown"},
- {0x8F, nullptr, "Unknown"},
- {0x90, nullptr, "Unknown"},
- {0x91, nullptr, "Unknown"},
- {0x92, nullptr, "Unknown"},
- {0x93, nullptr, "Unknown"},
- {0x94, nullptr, "Unknown"},
- {0x95, nullptr, "Unknown"},
- {0x96, nullptr, "Unknown"},
- {0x97, nullptr, "Unknown"},
- {0x98, nullptr, "Unknown"},
- {0x99, nullptr, "Unknown"},
- {0x9A, nullptr, "Unknown"},
- {0x9B, nullptr, "Unknown"},
- {0x9C, nullptr, "Unknown"},
- {0x9D, nullptr, "Unknown"},
- {0x9E, nullptr, "Unknown"},
- {0x9F, nullptr, "Unknown"},
- {0xA0, nullptr, "Unknown"},
- {0xA1, nullptr, "Unknown"},
- {0xA2, nullptr, "Unknown"},
- {0xA3, nullptr, "Unknown"},
- {0xA4, nullptr, "Unknown"},
- {0xA5, nullptr, "Unknown"},
- {0xA6, nullptr, "Unknown"},
- {0xA7, nullptr, "Unknown"},
- {0xA8, nullptr, "Unknown"},
- {0xA9, nullptr, "Unknown"},
- {0xAA, nullptr, "Unknown"},
- {0xAB, nullptr, "Unknown"},
- {0xAC, nullptr, "Unknown"},
- {0xAD, nullptr, "Unknown"},
- {0xAE, nullptr, "Unknown"},
- {0xAF, nullptr, "Unknown"},
- {0xB0, nullptr, "Unknown"},
- {0xB1, nullptr, "Unknown"},
- {0xB2, nullptr, "Unknown"},
- {0xB3, nullptr, "Unknown"},
- {0xB4, nullptr, "Unknown"},
- {0xB5, nullptr, "Unknown"},
- {0xB6, nullptr, "Unknown"},
- {0xB7, nullptr, "Unknown"},
- {0xB8, nullptr, "Unknown"},
- {0xB9, nullptr, "Unknown"},
- {0xBA, nullptr, "Unknown"},
- {0xBB, nullptr, "Unknown"},
- {0xBC, nullptr, "Unknown"},
- {0xBD, nullptr, "Unknown"},
- {0xBE, nullptr, "Unknown"},
- {0xBF, nullptr, "Unknown"},
- };
- static const FunctionDef SVC_Table_64[] = {
- {0x00, nullptr, "Unknown0"},
- {0x01, SvcWrap64<SetHeapSize>, "SetHeapSize"},
- {0x02, SvcWrap64<SetMemoryPermission>, "SetMemoryPermission"},
- {0x03, SvcWrap64<SetMemoryAttribute>, "SetMemoryAttribute"},
- {0x04, SvcWrap64<MapMemory>, "MapMemory"},
- {0x05, SvcWrap64<UnmapMemory>, "UnmapMemory"},
- {0x06, SvcWrap64<QueryMemory>, "QueryMemory"},
- {0x07, SvcWrap64<ExitProcess>, "ExitProcess"},
- {0x08, SvcWrap64<CreateThread>, "CreateThread"},
- {0x09, SvcWrap64<StartThread>, "StartThread"},
- {0x0A, SvcWrap64<ExitThread>, "ExitThread"},
- {0x0B, SvcWrap64<SleepThread>, "SleepThread"},
- {0x0C, SvcWrap64<GetThreadPriority>, "GetThreadPriority"},
- {0x0D, SvcWrap64<SetThreadPriority>, "SetThreadPriority"},
- {0x0E, SvcWrap64<GetThreadCoreMask>, "GetThreadCoreMask"},
- {0x0F, SvcWrap64<SetThreadCoreMask>, "SetThreadCoreMask"},
- {0x10, SvcWrap64<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"},
- {0x11, SvcWrap64<SignalEvent>, "SignalEvent"},
- {0x12, SvcWrap64<ClearEvent>, "ClearEvent"},
- {0x13, SvcWrap64<MapSharedMemory>, "MapSharedMemory"},
- {0x14, SvcWrap64<UnmapSharedMemory>, "UnmapSharedMemory"},
- {0x15, SvcWrap64<CreateTransferMemory>, "CreateTransferMemory"},
- {0x16, SvcWrap64<CloseHandle>, "CloseHandle"},
- {0x17, SvcWrap64<ResetSignal>, "ResetSignal"},
- {0x18, SvcWrap64<WaitSynchronization>, "WaitSynchronization"},
- {0x19, SvcWrap64<CancelSynchronization>, "CancelSynchronization"},
- {0x1A, SvcWrap64<ArbitrateLock>, "ArbitrateLock"},
- {0x1B, SvcWrap64<ArbitrateUnlock>, "ArbitrateUnlock"},
- {0x1C, SvcWrap64<WaitProcessWideKeyAtomic>, "WaitProcessWideKeyAtomic"},
- {0x1D, SvcWrap64<SignalProcessWideKey>, "SignalProcessWideKey"},
- {0x1E, SvcWrap64<GetSystemTick>, "GetSystemTick"},
- {0x1F, SvcWrap64<ConnectToNamedPort>, "ConnectToNamedPort"},
- {0x20, nullptr, "SendSyncRequestLight"},
- {0x21, SvcWrap64<SendSyncRequest>, "SendSyncRequest"},
- {0x22, nullptr, "SendSyncRequestWithUserBuffer"},
- {0x23, nullptr, "SendAsyncRequestWithUserBuffer"},
- {0x24, SvcWrap64<GetProcessId>, "GetProcessId"},
- {0x25, SvcWrap64<GetThreadId>, "GetThreadId"},
- {0x26, SvcWrap64<Break>, "Break"},
- {0x27, SvcWrap64<OutputDebugString>, "OutputDebugString"},
- {0x28, nullptr, "ReturnFromException"},
- {0x29, SvcWrap64<GetInfo>, "GetInfo"},
- {0x2A, nullptr, "FlushEntireDataCache"},
- {0x2B, nullptr, "FlushDataCache"},
- {0x2C, SvcWrap64<MapPhysicalMemory>, "MapPhysicalMemory"},
- {0x2D, SvcWrap64<UnmapPhysicalMemory>, "UnmapPhysicalMemory"},
- {0x2E, nullptr, "GetFutureThreadInfo"},
- {0x2F, nullptr, "GetLastThreadInfo"},
- {0x30, SvcWrap64<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"},
- {0x31, SvcWrap64<GetResourceLimitCurrentValue>, "GetResourceLimitCurrentValue"},
- {0x32, SvcWrap64<SetThreadActivity>, "SetThreadActivity"},
- {0x33, SvcWrap64<GetThreadContext>, "GetThreadContext"},
- {0x34, SvcWrap64<WaitForAddress>, "WaitForAddress"},
- {0x35, SvcWrap64<SignalToAddress>, "SignalToAddress"},
- {0x36, SvcWrap64<SynchronizePreemptionState>, "SynchronizePreemptionState"},
- {0x37, nullptr, "GetResourceLimitPeakValue"},
- {0x38, nullptr, "Unknown38"},
- {0x39, nullptr, "CreateIoPool"},
- {0x3A, nullptr, "CreateIoRegion"},
- {0x3B, nullptr, "Unknown3B"},
- {0x3C, SvcWrap64<KernelDebug>, "KernelDebug"},
- {0x3D, SvcWrap64<ChangeKernelTraceState>, "ChangeKernelTraceState"},
- {0x3E, nullptr, "Unknown3e"},
- {0x3F, nullptr, "Unknown3f"},
- {0x40, nullptr, "CreateSession"},
- {0x41, nullptr, "AcceptSession"},
- {0x42, nullptr, "ReplyAndReceiveLight"},
- {0x43, nullptr, "ReplyAndReceive"},
- {0x44, nullptr, "ReplyAndReceiveWithUserBuffer"},
- {0x45, SvcWrap64<CreateEvent>, "CreateEvent"},
- {0x46, nullptr, "MapIoRegion"},
- {0x47, nullptr, "UnmapIoRegion"},
- {0x48, nullptr, "MapPhysicalMemoryUnsafe"},
- {0x49, nullptr, "UnmapPhysicalMemoryUnsafe"},
- {0x4A, nullptr, "SetUnsafeLimit"},
- {0x4B, SvcWrap64<CreateCodeMemory>, "CreateCodeMemory"},
- {0x4C, SvcWrap64<ControlCodeMemory>, "ControlCodeMemory"},
- {0x4D, nullptr, "SleepSystem"},
- {0x4E, nullptr, "ReadWriteRegister"},
- {0x4F, nullptr, "SetProcessActivity"},
- {0x50, nullptr, "CreateSharedMemory"},
- {0x51, nullptr, "MapTransferMemory"},
- {0x52, nullptr, "UnmapTransferMemory"},
- {0x53, nullptr, "CreateInterruptEvent"},
- {0x54, nullptr, "QueryPhysicalAddress"},
- {0x55, nullptr, "QueryIoMapping"},
- {0x56, nullptr, "CreateDeviceAddressSpace"},
- {0x57, nullptr, "AttachDeviceAddressSpace"},
- {0x58, nullptr, "DetachDeviceAddressSpace"},
- {0x59, nullptr, "MapDeviceAddressSpaceByForce"},
- {0x5A, nullptr, "MapDeviceAddressSpaceAligned"},
- {0x5B, nullptr, "MapDeviceAddressSpace"},
- {0x5C, nullptr, "UnmapDeviceAddressSpace"},
- {0x5D, nullptr, "InvalidateProcessDataCache"},
- {0x5E, nullptr, "StoreProcessDataCache"},
- {0x5F, nullptr, "FlushProcessDataCache"},
- {0x60, nullptr, "DebugActiveProcess"},
- {0x61, nullptr, "BreakDebugProcess"},
- {0x62, nullptr, "TerminateDebugProcess"},
- {0x63, nullptr, "GetDebugEvent"},
- {0x64, nullptr, "ContinueDebugEvent"},
- {0x65, SvcWrap64<GetProcessList>, "GetProcessList"},
- {0x66, SvcWrap64<GetThreadList>, "GetThreadList"},
- {0x67, nullptr, "GetDebugThreadContext"},
- {0x68, nullptr, "SetDebugThreadContext"},
- {0x69, nullptr, "QueryDebugProcessMemory"},
- {0x6A, nullptr, "ReadDebugProcessMemory"},
- {0x6B, nullptr, "WriteDebugProcessMemory"},
- {0x6C, nullptr, "SetHardwareBreakPoint"},
- {0x6D, nullptr, "GetDebugThreadParam"},
- {0x6E, nullptr, "Unknown6E"},
- {0x6F, nullptr, "GetSystemInfo"},
- {0x70, nullptr, "CreatePort"},
- {0x71, nullptr, "ManageNamedPort"},
- {0x72, nullptr, "ConnectToPort"},
- {0x73, SvcWrap64<SetProcessMemoryPermission>, "SetProcessMemoryPermission"},
- {0x74, SvcWrap64<MapProcessMemory>, "MapProcessMemory"},
- {0x75, SvcWrap64<UnmapProcessMemory>, "UnmapProcessMemory"},
- {0x76, SvcWrap64<QueryProcessMemory>, "QueryProcessMemory"},
- {0x77, SvcWrap64<MapProcessCodeMemory>, "MapProcessCodeMemory"},
- {0x78, SvcWrap64<UnmapProcessCodeMemory>, "UnmapProcessCodeMemory"},
- {0x79, nullptr, "CreateProcess"},
- {0x7A, nullptr, "StartProcess"},
- {0x7B, nullptr, "TerminateProcess"},
- {0x7C, SvcWrap64<GetProcessInfo>, "GetProcessInfo"},
- {0x7D, SvcWrap64<CreateResourceLimit>, "CreateResourceLimit"},
- {0x7E, SvcWrap64<SetResourceLimitLimitValue>, "SetResourceLimitLimitValue"},
- {0x7F, nullptr, "CallSecureMonitor"},
- {0x80, nullptr, "Unknown"},
- {0x81, nullptr, "Unknown"},
- {0x82, nullptr, "Unknown"},
- {0x83, nullptr, "Unknown"},
- {0x84, nullptr, "Unknown"},
- {0x85, nullptr, "Unknown"},
- {0x86, nullptr, "Unknown"},
- {0x87, nullptr, "Unknown"},
- {0x88, nullptr, "Unknown"},
- {0x89, nullptr, "Unknown"},
- {0x8A, nullptr, "Unknown"},
- {0x8B, nullptr, "Unknown"},
- {0x8C, nullptr, "Unknown"},
- {0x8D, nullptr, "Unknown"},
- {0x8E, nullptr, "Unknown"},
- {0x8F, nullptr, "Unknown"},
- {0x90, nullptr, "Unknown"},
- {0x91, nullptr, "Unknown"},
- {0x92, nullptr, "Unknown"},
- {0x93, nullptr, "Unknown"},
- {0x94, nullptr, "Unknown"},
- {0x95, nullptr, "Unknown"},
- {0x96, nullptr, "Unknown"},
- {0x97, nullptr, "Unknown"},
- {0x98, nullptr, "Unknown"},
- {0x99, nullptr, "Unknown"},
- {0x9A, nullptr, "Unknown"},
- {0x9B, nullptr, "Unknown"},
- {0x9C, nullptr, "Unknown"},
- {0x9D, nullptr, "Unknown"},
- {0x9E, nullptr, "Unknown"},
- {0x9F, nullptr, "Unknown"},
- {0xA0, nullptr, "Unknown"},
- {0xA1, nullptr, "Unknown"},
- {0xA2, nullptr, "Unknown"},
- {0xA3, nullptr, "Unknown"},
- {0xA4, nullptr, "Unknown"},
- {0xA5, nullptr, "Unknown"},
- {0xA6, nullptr, "Unknown"},
- {0xA7, nullptr, "Unknown"},
- {0xA8, nullptr, "Unknown"},
- {0xA9, nullptr, "Unknown"},
- {0xAA, nullptr, "Unknown"},
- {0xAB, nullptr, "Unknown"},
- {0xAC, nullptr, "Unknown"},
- {0xAD, nullptr, "Unknown"},
- {0xAE, nullptr, "Unknown"},
- {0xAF, nullptr, "Unknown"},
- {0xB0, nullptr, "Unknown"},
- {0xB1, nullptr, "Unknown"},
- {0xB2, nullptr, "Unknown"},
- {0xB3, nullptr, "Unknown"},
- {0xB4, nullptr, "Unknown"},
- {0xB5, nullptr, "Unknown"},
- {0xB6, nullptr, "Unknown"},
- {0xB7, nullptr, "Unknown"},
- {0xB8, nullptr, "Unknown"},
- {0xB9, nullptr, "Unknown"},
- {0xBA, nullptr, "Unknown"},
- {0xBB, nullptr, "Unknown"},
- {0xBC, nullptr, "Unknown"},
- {0xBD, nullptr, "Unknown"},
- {0xBE, nullptr, "Unknown"},
- {0xBF, nullptr, "Unknown"},
- };
- static const FunctionDef* GetSVCInfo32(u32 func_num) {
- if (func_num >= std::size(SVC_Table_32)) {
- LOG_ERROR(Kernel_SVC, "Unknown svc=0x{:02X}", func_num);
- return nullptr;
- }
- return &SVC_Table_32[func_num];
- }
- static const FunctionDef* GetSVCInfo64(u32 func_num) {
- if (func_num >= std::size(SVC_Table_64)) {
- LOG_ERROR(Kernel_SVC, "Unknown svc=0x{:02X}", func_num);
- return nullptr;
- }
- return &SVC_Table_64[func_num];
- }
- void Call(Core::System& system, u32 immediate) {
- auto& kernel = system.Kernel();
- kernel.EnterSVCProfile();
- auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
- thread->SetIsCallingSvc();
- const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)
- : GetSVCInfo32(immediate);
- if (info) {
- if (info->func) {
- info->func(system);
- } else {
- LOG_CRITICAL(Kernel_SVC, "Unimplemented SVC function {}(..)", info->name);
- }
- } else {
- LOG_CRITICAL(Kernel_SVC, "Unknown SVC function 0x{:X}", immediate);
- }
- kernel.ExitSVCProfile();
- if (!thread->IsCallingSvc()) {
- auto* host_context = thread->GetHostContext().get();
- host_context->Rewind();
- }
- }
- } // namespace Kernel::Svc
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