summaryrefslogtreecommitdiffstats
path: root/src/core/hle/kernel
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/core/hle/kernel/svc.cpp2686
-rw-r--r--src/core/hle/kernel/svc.h156
-rw-r--r--src/core/hle/kernel/svc/svc_activity.cpp44
-rw-r--r--src/core/hle/kernel/svc/svc_address_arbiter.cpp113
-rw-r--r--src/core/hle/kernel/svc/svc_address_translation.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_cache.cpp31
-rw-r--r--src/core/hle/kernel/svc/svc_code_memory.cpp154
-rw-r--r--src/core/hle/kernel/svc/svc_condition_variable.cpp69
-rw-r--r--src/core/hle/kernel/svc/svc_debug.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_debug_string.cpp25
-rw-r--r--src/core/hle/kernel/svc/svc_device_address_space.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_event.cpp111
-rw-r--r--src/core/hle/kernel/svc/svc_exception.cpp121
-rw-r--r--src/core/hle/kernel/svc/svc_info.cpp282
-rw-r--r--src/core/hle/kernel/svc/svc_interrupt_event.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_io_pool.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_ipc.cpp89
-rw-r--r--src/core/hle/kernel/svc/svc_kernel_debug.cpp19
-rw-r--r--src/core/hle/kernel/svc/svc_light_ipc.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_lock.cpp57
-rw-r--r--src/core/hle/kernel/svc/svc_memory.cpp189
-rw-r--r--src/core/hle/kernel/svc/svc_physical_memory.cpp137
-rw-r--r--src/core/hle/kernel/svc/svc_port.cpp71
-rw-r--r--src/core/hle/kernel/svc/svc_power_management.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_process.cpp124
-rw-r--r--src/core/hle/kernel/svc/svc_process_memory.cpp274
-rw-r--r--src/core/hle/kernel/svc/svc_processor.cpp21
-rw-r--r--src/core/hle/kernel/svc/svc_query_memory.cpp55
-rw-r--r--src/core/hle/kernel/svc/svc_register.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_resource_limit.cpp95
-rw-r--r--src/core/hle/kernel/svc/svc_secure_monitor_call.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_session.cpp103
-rw-r--r--src/core/hle/kernel/svc/svc_shared_memory.cpp106
-rw-r--r--src/core/hle/kernel/svc/svc_synchronization.cpp139
-rw-r--r--src/core/hle/kernel/svc/svc_thread.cpp396
-rw-r--r--src/core/hle/kernel/svc/svc_thread_profiler.cpp6
-rw-r--r--src/core/hle/kernel/svc/svc_tick.cpp33
-rw-r--r--src/core/hle/kernel/svc/svc_transfer_memory.cpp79
-rw-r--r--src/core/hle/kernel/svc_wrap.h8
39 files changed, 3160 insertions, 2687 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 67fa5d71c..4cb6f40a0 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1,2697 +1,16 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2023 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_port.h"
+#include "common/common_types.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_session.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/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.
-Result 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 Result 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 Result SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
- VAddr temp_heap_addr{};
- const Result 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 Result 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 Result 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 Result 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 Result 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 Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
- result.IsError()) {
- return result;
- }
-
- return page_table.MapMemory(dst_addr, src_addr, size);
-}
-
-static Result 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 Result 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 Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
- result.IsError()) {
- return result;
- }
-
- return page_table.UnmapMemory(dst_addr, src_addr, size);
-}
-
-static Result UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
- return UnmapMemory(system, dst_addr, src_addr, size);
-}
-
-template <typename T>
-Result CreateSession(Core::System& system, Handle* out_server, Handle* out_client, u64 name) {
- auto& process = *system.CurrentProcess();
- auto& handle_table = process.GetHandleTable();
-
- // Declare the session we're going to allocate.
- T* session;
-
- // Reserve a new session from the process resource limit.
- // FIXME: LimitableResource_SessionCountMax
- KScopedResourceReservation session_reservation(&process, LimitableResource::SessionCountMax);
- if (session_reservation.Succeeded()) {
- session = T::Create(system.Kernel());
- } else {
- return ResultLimitReached;
-
- // // We couldn't reserve a session. Check that we support dynamically expanding the
- // // resource limit.
- // R_UNLESS(process.GetResourceLimit() ==
- // &system.Kernel().GetSystemResourceLimit(), ResultLimitReached);
- // R_UNLESS(KTargetSystem::IsDynamicResourceLimitsEnabled(), ResultLimitReached());
-
- // // Try to allocate a session from unused slab memory.
- // session = T::CreateFromUnusedSlabMemory();
- // R_UNLESS(session != nullptr, ResultLimitReached);
- // ON_RESULT_FAILURE { session->Close(); };
-
- // // If we're creating a KSession, we want to add two KSessionRequests to the heap, to
- // // prevent request exhaustion.
- // // NOTE: Nintendo checks if session->DynamicCast<KSession *>() != nullptr, but there's
- // // no reason to not do this statically.
- // if constexpr (std::same_as<T, KSession>) {
- // for (size_t i = 0; i < 2; i++) {
- // KSessionRequest* request = KSessionRequest::CreateFromUnusedSlabMemory();
- // R_UNLESS(request != nullptr, ResultLimitReached);
- // request->Close();
- // }
- // }
-
- // We successfully allocated a session, so add the object we allocated to the resource
- // limit.
- // system.Kernel().GetSystemResourceLimit().Reserve(LimitableResource::SessionCountMax, 1);
- }
-
- // Check that we successfully created a session.
- R_UNLESS(session != nullptr, ResultOutOfResource);
-
- // Initialize the session.
- session->Initialize(nullptr, fmt::format("{}", name));
-
- // Commit the session reservation.
- session_reservation.Commit();
-
- // Ensure that we clean up the session (and its only references are handle table) on function
- // end.
- SCOPE_EXIT({
- session->GetClientSession().Close();
- session->GetServerSession().Close();
- });
-
- // Register the session.
- T::Register(system.Kernel(), session);
-
- // Add the server session to the handle table.
- R_TRY(handle_table.Add(out_server, &session->GetServerSession()));
-
- // Add the client session to the handle table.
- const auto result = handle_table.Add(out_client, &session->GetClientSession());
-
- if (!R_SUCCEEDED(result)) {
- // Ensure that we maintaing a clean handle state on exit.
- handle_table.Remove(*out_server);
- }
-
- return result;
-}
-
-static Result CreateSession(Core::System& system, Handle* out_server, Handle* out_client,
- u32 is_light, u64 name) {
- if (is_light) {
- // return CreateSession<KLightSession>(system, out_server, out_client, name);
- return ResultUnknown;
- } else {
- return CreateSession<KSession>(system, out_server, out_client, name);
- }
-}
-
-/// Connect to an OS service given the port name, returns the handle to the port to out
-static Result 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)));
-
- kernel.RegisterNamedServiceHandler(port_name, &port->GetParent()->GetServerPort());
-
- // 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 Result 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 a service.
-static Result 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());
-
- return session->SendSyncRequest();
-}
-
-static Result SendSyncRequest32(Core::System& system, Handle handle) {
- return SendSyncRequest(system, handle);
-}
-
-static Result ReplyAndReceive(Core::System& system, s32* out_index, Handle* handles,
- s32 num_handles, Handle reply_target, s64 timeout_ns) {
- auto& kernel = system.Kernel();
- auto& handle_table = GetCurrentThread(kernel).GetOwnerProcess()->GetHandleTable();
-
- // Convert handle list to object table.
- std::vector<KSynchronizationObject*> objs(num_handles);
- R_UNLESS(
- handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles, num_handles),
- ResultInvalidHandle);
-
- // Ensure handles are closed when we're done.
- SCOPE_EXIT({
- for (auto i = 0; i < num_handles; ++i) {
- objs[i]->Close();
- }
- });
-
- // Reply to the target, if one is specified.
- if (reply_target != InvalidHandle) {
- KScopedAutoObject session = handle_table.GetObject<KServerSession>(reply_target);
- R_UNLESS(session.IsNotNull(), ResultInvalidHandle);
-
- // If we fail to reply, we want to set the output index to -1.
- // ON_RESULT_FAILURE { *out_index = -1; };
-
- // Send the reply.
- // R_TRY(session->SendReply());
-
- Result rc = session->SendReply();
- if (!R_SUCCEEDED(rc)) {
- *out_index = -1;
- return rc;
- }
- }
-
- // Wait for a message.
- while (true) {
- // Wait for an object.
- s32 index;
- Result result = KSynchronizationObject::Wait(kernel, &index, objs.data(),
- static_cast<s32>(objs.size()), timeout_ns);
- if (result == ResultTimedOut) {
- return result;
- }
-
- // Receive the request.
- if (R_SUCCEEDED(result)) {
- KServerSession* session = objs[index]->DynamicCast<KServerSession*>();
- if (session != nullptr) {
- result = session->ReceiveRequest();
- if (result == ResultNotFound) {
- continue;
- }
- }
- }
-
- *out_index = index;
- return result;
- }
-}
-
-/// Get the ID for the specified thread.
-static Result 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 Result GetThreadId32(Core::System& system, u32* out_thread_id_low, u32* out_thread_id_high,
- Handle thread_handle) {
- u64 out_thread_id{};
- const Result 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 Result 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 Result 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 Result 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 Result 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 Result 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 Result CancelSynchronization32(Core::System& system, Handle handle) {
- return CancelSynchronization(system, handle);
-}
-
-/// Attempts to locks a mutex
-static Result 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 Result ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address, u32 tag) {
- return ArbitrateLock(system, thread_handle, address, tag);
-}
-
-/// Unlock a mutex
-static Result 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 Result ArbitrateUnlock32(Core::System& system, u32 address) {
- return ArbitrateUnlock(system, address);
-}
-
-/// Break program execution
-static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
- BreakReason break_reason =
- static_cast<BreakReason>(reason & ~static_cast<u32>(BreakReason::NotificationOnlyFlag));
- bool notification_only = (reason & static_cast<u32>(BreakReason::NotificationOnlyFlag)) != 0;
-
- 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) {
- case BreakReason::Panic:
- LOG_CRITICAL(Debug_Emulated, "Userspace PANIC! info1=0x{:016X}, info2=0x{:016X}", info1,
- info2);
- handle_debug_buffer(info1, info2);
- break;
- case BreakReason::Assert:
- LOG_CRITICAL(Debug_Emulated, "Userspace Assertion failed! info1=0x{:016X}, info2=0x{:016X}",
- info1, info2);
- handle_debug_buffer(info1, info2);
- break;
- case BreakReason::User:
- LOG_WARNING(Debug_Emulated, "Userspace Break! 0x{:016X} with size 0x{:016X}", info1, info2);
- handle_debug_buffer(info1, info2);
- break;
- case BreakReason::PreLoadDll:
- LOG_INFO(Debug_Emulated,
- "Userspace Attempting to load an NRO at 0x{:016X} with size 0x{:016X}", info1,
- info2);
- break;
- case BreakReason::PostLoadDll:
- LOG_INFO(Debug_Emulated, "Userspace Loaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
- info2);
- break;
- case BreakReason::PreUnloadDll:
- LOG_INFO(Debug_Emulated,
- "Userspace Attempting to unload an NRO at 0x{:016X} with size 0x{:016X}", info1,
- info2);
- break;
- case BreakReason::PostUnloadDll:
- LOG_INFO(Debug_Emulated, "Userspace Unloaded an NRO at 0x{:016X} with size 0x{:016X}",
- info1, info2);
- break;
- case BreakReason::CppException:
- LOG_CRITICAL(Debug_Emulated, "Signalling debugger. Uncaught C++ exception encountered.");
- break;
- default:
- LOG_WARNING(
- Debug_Emulated,
- "Signalling debugger, Unknown break reason {:#X}, info1=0x{:016X}, info2=0x{:016X}",
- reason, info1, info2);
- handle_debug_buffer(info1, info2);
- break;
- }
-
- system.GetReporter().SaveSvcBreakReport(reason, notification_only, info1, info2,
- has_dumped_buffer ? std::make_optional(debug_buffer)
- : std::nullopt);
-
- if (!notification_only) {
- 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 = GetCurrentThreadPointer(system.Kernel());
- 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 Result 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);
-
- const auto info_id_type = static_cast<InfoType>(info_id);
-
- switch (info_id_type) {
- case InfoType::CoreMask:
- case InfoType::PriorityMask:
- case InfoType::AliasRegionAddress:
- case InfoType::AliasRegionSize:
- case InfoType::HeapRegionAddress:
- case InfoType::HeapRegionSize:
- case InfoType::AslrRegionAddress:
- case InfoType::AslrRegionSize:
- case InfoType::StackRegionAddress:
- case InfoType::StackRegionSize:
- case InfoType::TotalMemorySize:
- case InfoType::UsedMemorySize:
- case InfoType::SystemResourceSizeTotal:
- case InfoType::SystemResourceSizeUsed:
- case InfoType::ProgramId:
- case InfoType::UserExceptionContextAddress:
- case InfoType::TotalNonSystemMemorySize:
- case InfoType::UsedNonSystemMemorySize:
- case InfoType::IsApplication:
- case InfoType::FreeThreadCount: {
- 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 InfoType::CoreMask:
- *result = process->GetCoreMask();
- return ResultSuccess;
-
- case InfoType::PriorityMask:
- *result = process->GetPriorityMask();
- return ResultSuccess;
-
- case InfoType::AliasRegionAddress:
- *result = process->PageTable().GetAliasRegionStart();
- return ResultSuccess;
-
- case InfoType::AliasRegionSize:
- *result = process->PageTable().GetAliasRegionSize();
- return ResultSuccess;
-
- case InfoType::HeapRegionAddress:
- *result = process->PageTable().GetHeapRegionStart();
- return ResultSuccess;
-
- case InfoType::HeapRegionSize:
- *result = process->PageTable().GetHeapRegionSize();
- return ResultSuccess;
-
- case InfoType::AslrRegionAddress:
- *result = process->PageTable().GetAliasCodeRegionStart();
- return ResultSuccess;
-
- case InfoType::AslrRegionSize:
- *result = process->PageTable().GetAliasCodeRegionSize();
- return ResultSuccess;
-
- case InfoType::StackRegionAddress:
- *result = process->PageTable().GetStackRegionStart();
- return ResultSuccess;
-
- case InfoType::StackRegionSize:
- *result = process->PageTable().GetStackRegionSize();
- return ResultSuccess;
-
- case InfoType::TotalMemorySize:
- *result = process->GetTotalPhysicalMemoryAvailable();
- return ResultSuccess;
-
- case InfoType::UsedMemorySize:
- *result = process->GetTotalPhysicalMemoryUsed();
- return ResultSuccess;
-
- case InfoType::SystemResourceSizeTotal:
- *result = process->GetSystemResourceSize();
- return ResultSuccess;
-
- case InfoType::SystemResourceSizeUsed:
- LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
- *result = process->GetSystemResourceUsage();
- return ResultSuccess;
-
- case InfoType::ProgramId:
- *result = process->GetProgramID();
- return ResultSuccess;
-
- case InfoType::UserExceptionContextAddress:
- *result = process->GetProcessLocalRegionAddress();
- return ResultSuccess;
-
- case InfoType::TotalNonSystemMemorySize:
- *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
- return ResultSuccess;
-
- case InfoType::UsedNonSystemMemorySize:
- *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
- return ResultSuccess;
-
- case InfoType::FreeThreadCount:
- *result = process->GetFreeThreadCount();
- return ResultSuccess;
-
- default:
- break;
- }
-
- LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
- return ResultInvalidEnumValue;
- }
-
- case InfoType::DebuggerAttached:
- *result = 0;
- return ResultSuccess;
-
- case InfoType::ResourceLimit: {
- 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 InfoType::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 InfoType::InitialProcessIdRange:
- LOG_WARNING(Kernel_SVC,
- "(STUBBED) Attempted to query privileged process id bounds, returned 0");
- *result = 0;
- return ResultSuccess;
-
- case InfoType::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 = GetCurrentThreadPointer(system.Kernel());
- const bool same_thread = current_thread == thread.GetPointerUnsafe();
-
- const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTime();
- 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 InfoType::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;
- }
- case InfoType::MesosphereCurrentProcess: {
- // Verify the input handle is invalid.
- R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
-
- // Verify the sub-type is valid.
- R_UNLESS(info_sub_id == 0, ResultInvalidCombination);
-
- // Get the handle table.
- KProcess* current_process = system.Kernel().CurrentProcess();
- KHandleTable& handle_table = current_process->GetHandleTable();
-
- // Get a new handle for the current process.
- Handle tmp;
- R_TRY(handle_table.Add(&tmp, current_process));
-
- // Set the output.
- *result = tmp;
-
- // We succeeded.
- return ResultSuccess;
- }
- default:
- LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
- return ResultInvalidEnumValue;
- }
-}
-
-static Result 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 Result 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 Result 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 Result MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
- return MapPhysicalMemory(system, addr, size);
-}
-
-/// Unmaps memory previously mapped via MapPhysicalMemory
-static Result 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 Result UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
- return UnmapPhysicalMemory(system, addr, size);
-}
-
-/// Sets the thread activity
-static Result 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 Result SetThreadActivity32(Core::System& system, Handle thread_handle,
- Svc::ThreadActivity thread_activity) {
- return SetThreadActivity(system, thread_handle, thread_activity);
-}
-
-/// Gets the thread context
-static Result 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).GetSchedulerCurrentThread()) {
- 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 Result 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 Result 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 Result GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
- return GetThreadPriority(system, out_priority, handle);
-}
-
-/// Sets the priority for the specified thread
-static Result 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 Result 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 Result 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 Result 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 Result 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 Result UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
- u32 size) {
- return UnmapSharedMemory(system, shmem_handle, address, size);
-}
-
-static Result 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 Result 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.
- KPageGroup pg{system.Kernel(), dst_pt.GetBlockInfoManager()};
- 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.MapPageGroup(dst_address, pg, KMemoryState::SharedCode,
- KMemoryPermission::UserReadWrite));
-
- return ResultSuccess;
-}
-
-static Result 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 Result 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 Result CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size) {
- return CreateCodeMemory(system, out, address, size);
-}
-
-static Result 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 Result 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 Result 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.base_address);
- 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.attribute));
- memory.Write32(memory_info_address + 0x18, static_cast<u32>(memory_info.permission));
- memory.Write32(memory_info_address + 0x1c, memory_info.ipc_count);
- memory.Write32(memory_info_address + 0x20, memory_info.device_count);
- 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 Result 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 Result 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 Result 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 Result 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();
-
- LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
- ASSERT_MSG(current_process->GetState() == KProcess::State::Running,
- "Process has already exited");
-
- system.Exit();
-}
-
-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 Result 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::ThreadCountMax, 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 Result 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 Result 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 Result 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 = GetCurrentThreadPointer(system.Kernel());
- 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 Result 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 Result 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 Result 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 Result 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 Result 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 Result 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{core_timing.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 Result 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 Result CloseHandle32(Core::System& system, Handle handle) {
- return CloseHandle(system, handle);
-}
-
-/// Clears the signaled state of an event or process.
-static Result 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 Result 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 Result 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::TransferMemoryCountMax);
- 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 Result CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
- MemoryPermission map_perm) {
- return CreateTransferMemory(system, out, address, size, map_perm);
-}
-
-static Result 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 Result 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 Result 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 Result 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 Result 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 event.
- KScopedAutoObject event = handle_table.GetObject<KEvent>(event_handle);
- R_UNLESS(event.IsNotNull(), ResultInvalidHandle);
-
- return event->Signal();
-}
-
-static Result SignalEvent32(Core::System& system, Handle event_handle) {
- return SignalEvent(system, event_handle);
-}
-
-static Result 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 event = handle_table.GetObject<KEvent>(event_handle);
- if (event.IsNotNull()) {
- return 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 Result ClearEvent32(Core::System& system, Handle event_handle) {
- return ClearEvent(system, event_handle);
-}
-
-static Result 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::EventCountMax);
- 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(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->GetReadableEvent().Close();
- event->Close();
- });
-
- // Register the event.
- KEvent::Register(kernel, event);
-
- // Add the event to the handle table.
- R_TRY(handle_table.Add(out_write, event));
-
- // Ensure that we maintaing a clean handle state on exit.
- 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 Result CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
- return CreateEvent(system, out_write, out_read);
-}
-
-static Result 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);
-
- 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<ProcessInfoType>(type);
- if (info_type != ProcessInfoType::ProcessState) {
- LOG_ERROR(Kernel_SVC, "Expected info_type to be ProcessState but got {} instead", type);
- return ResultInvalidEnumValue;
- }
-
- *out = static_cast<u64>(process->GetState());
- return ResultSuccess;
-}
-
-static Result 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 Result 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 Result 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 Result 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 Result 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 Result 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 Result FlushProcessDataCache32(Core::System& system, Handle process_handle, u64 address,
- u64 size) {
- // Validate address/size.
- R_UNLESS(size > 0, ResultInvalidSize);
- R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory);
- R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory);
-
- // Get the process from its handle.
- KScopedAutoObject process =
- system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle);
- R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
-
- // Verify the region is within range.
- auto& page_table = process->PageTable();
- R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
-
- // Perform the operation.
- R_RETURN(system.Memory().FlushDataCache(*process, address, size));
-}
-
-namespace {
struct FunctionDef {
using Func = void(Core::System&);
@@ -2699,6 +18,7 @@ struct FunctionDef {
Func* func;
const char* name;
};
+
} // namespace
static const FunctionDef SVC_Table_32[] = {
diff --git a/src/core/hle/kernel/svc.h b/src/core/hle/kernel/svc.h
index 13f061b83..b599f9a3d 100644
--- a/src/core/hle/kernel/svc.h
+++ b/src/core/hle/kernel/svc.h
@@ -4,6 +4,8 @@
#pragma once
#include "common/common_types.h"
+#include "core/hle/kernel/svc_types.h"
+#include "core/hle/result.h"
namespace Core {
class System;
@@ -13,4 +15,158 @@ namespace Kernel::Svc {
void Call(Core::System& system, u32 immediate);
+Result SetHeapSize(Core::System& system, VAddr* out_address, u64 size);
+Result SetMemoryPermission(Core::System& system, VAddr address, u64 size, MemoryPermission perm);
+Result SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask, u32 attr);
+Result MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size);
+Result UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size);
+Result QueryMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address,
+ VAddr query_address);
+void ExitProcess(Core::System& system);
+Result CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
+ VAddr stack_bottom, u32 priority, s32 core_id);
+Result StartThread(Core::System& system, Handle thread_handle);
+void ExitThread(Core::System& system);
+void SleepThread(Core::System& system, s64 nanoseconds);
+Result GetThreadPriority(Core::System& system, u32* out_priority, Handle handle);
+Result SetThreadPriority(Core::System& system, Handle thread_handle, u32 priority);
+Result GetThreadCoreMask(Core::System& system, Handle thread_handle, s32* out_core_id,
+ u64* out_affinity_mask);
+Result SetThreadCoreMask(Core::System& system, Handle thread_handle, s32 core_id,
+ u64 affinity_mask);
+u32 GetCurrentProcessorNumber(Core::System& system);
+Result SignalEvent(Core::System& system, Handle event_handle);
+Result ClearEvent(Core::System& system, Handle event_handle);
+Result MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address, u64 size,
+ MemoryPermission map_perm);
+Result UnmapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address, u64 size);
+Result CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
+ MemoryPermission map_perm);
+Result CloseHandle(Core::System& system, Handle handle);
+Result ResetSignal(Core::System& system, Handle handle);
+Result WaitSynchronization(Core::System& system, s32* index, VAddr handles_address, s32 num_handles,
+ s64 nano_seconds);
+Result CancelSynchronization(Core::System& system, Handle handle);
+Result ArbitrateLock(Core::System& system, Handle thread_handle, VAddr address, u32 tag);
+Result ArbitrateUnlock(Core::System& system, VAddr address);
+Result WaitProcessWideKeyAtomic(Core::System& system, VAddr address, VAddr cv_key, u32 tag,
+ s64 timeout_ns);
+void SignalProcessWideKey(Core::System& system, VAddr cv_key, s32 count);
+u64 GetSystemTick(Core::System& system);
+Result ConnectToNamedPort(Core::System& system, Handle* out, VAddr port_name_address);
+Result SendSyncRequest(Core::System& system, Handle handle);
+Result GetProcessId(Core::System& system, u64* out_process_id, Handle handle);
+Result GetThreadId(Core::System& system, u64* out_thread_id, Handle thread_handle);
+void Break(Core::System& system, u32 reason, u64 info1, u64 info2);
+void OutputDebugString(Core::System& system, VAddr address, u64 len);
+Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle handle, u64 info_sub_id);
+Result MapPhysicalMemory(Core::System& system, VAddr addr, u64 size);
+Result UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size);
+Result GetResourceLimitLimitValue(Core::System& system, u64* out_limit_value,
+ Handle resource_limit_handle, LimitableResource which);
+Result GetResourceLimitCurrentValue(Core::System& system, u64* out_current_value,
+ Handle resource_limit_handle, LimitableResource which);
+Result SetThreadActivity(Core::System& system, Handle thread_handle,
+ ThreadActivity thread_activity);
+Result GetThreadContext(Core::System& system, VAddr out_context, Handle thread_handle);
+Result WaitForAddress(Core::System& system, VAddr address, ArbitrationType arb_type, s32 value,
+ s64 timeout_ns);
+Result SignalToAddress(Core::System& system, VAddr address, SignalType signal_type, s32 value,
+ s32 count);
+void SynchronizePreemptionState(Core::System& system);
+void KernelDebug(Core::System& system, u32 kernel_debug_type, u64 param1, u64 param2, u64 param3);
+void ChangeKernelTraceState(Core::System& system, u32 trace_state);
+Result CreateSession(Core::System& system, Handle* out_server, Handle* out_client, u32 is_light,
+ u64 name);
+Result ReplyAndReceive(Core::System& system, s32* out_index, Handle* handles, s32 num_handles,
+ Handle reply_target, s64 timeout_ns);
+Result CreateEvent(Core::System& system, Handle* out_write, Handle* out_read);
+Result CreateCodeMemory(Core::System& system, Handle* out, VAddr address, size_t size);
+Result ControlCodeMemory(Core::System& system, Handle code_memory_handle, u32 operation,
+ VAddr address, size_t size, MemoryPermission perm);
+Result GetProcessList(Core::System& system, u32* out_num_processes, VAddr out_process_ids,
+ u32 out_process_ids_size);
+Result GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
+ u32 out_thread_ids_size, Handle debug_handle);
+Result SetProcessMemoryPermission(Core::System& system, Handle process_handle, VAddr address,
+ u64 size, MemoryPermission perm);
+Result MapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
+ VAddr src_address, u64 size);
+Result UnmapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
+ VAddr src_address, u64 size);
+Result QueryProcessMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address,
+ Handle process_handle, VAddr address);
+Result MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
+ u64 src_address, u64 size);
+Result UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
+ u64 src_address, u64 size);
+Result GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type);
+Result CreateResourceLimit(Core::System& system, Handle* out_handle);
+Result SetResourceLimitLimitValue(Core::System& system, Handle resource_limit_handle,
+ LimitableResource which, u64 limit_value);
+
+//
+
+Result SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size);
+Result SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask, u32 attr);
+Result MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size);
+Result UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size);
+Result QueryMemory32(Core::System& system, u32 memory_info_address, u32 page_info_address,
+ u32 query_address);
+void ExitProcess32(Core::System& system);
+Result CreateThread32(Core::System& system, Handle* out_handle, u32 priority, u32 entry_point,
+ u32 arg, u32 stack_top, s32 processor_id);
+Result StartThread32(Core::System& system, Handle thread_handle);
+void ExitThread32(Core::System& system);
+void SleepThread32(Core::System& system, u32 nanoseconds_low, u32 nanoseconds_high);
+Result GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle);
+Result SetThreadPriority32(Core::System& system, Handle thread_handle, u32 priority);
+Result GetThreadCoreMask32(Core::System& system, Handle thread_handle, s32* out_core_id,
+ u32* out_affinity_mask_low, u32* out_affinity_mask_high);
+Result SetThreadCoreMask32(Core::System& system, Handle thread_handle, s32 core_id,
+ u32 affinity_mask_low, u32 affinity_mask_high);
+u32 GetCurrentProcessorNumber32(Core::System& system);
+Result SignalEvent32(Core::System& system, Handle event_handle);
+Result ClearEvent32(Core::System& system, Handle event_handle);
+Result MapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address, u32 size,
+ MemoryPermission map_perm);
+Result UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address, u32 size);
+Result CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
+ MemoryPermission map_perm);
+Result CloseHandle32(Core::System& system, Handle handle);
+Result ResetSignal32(Core::System& system, Handle handle);
+Result WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address,
+ s32 num_handles, u32 timeout_high, s32* index);
+Result CancelSynchronization32(Core::System& system, Handle handle);
+Result ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address, u32 tag);
+Result ArbitrateUnlock32(Core::System& system, u32 address);
+Result WaitProcessWideKeyAtomic32(Core::System& system, u32 address, u32 cv_key, u32 tag,
+ u32 timeout_ns_low, u32 timeout_ns_high);
+void SignalProcessWideKey32(Core::System& system, u32 cv_key, s32 count);
+void GetSystemTick32(Core::System& system, u32* time_low, u32* time_high);
+Result ConnectToNamedPort32(Core::System& system, Handle* out_handle, u32 port_name_address);
+Result SendSyncRequest32(Core::System& system, Handle handle);
+Result GetProcessId32(Core::System& system, u32* out_process_id_low, u32* out_process_id_high,
+ Handle handle);
+Result GetThreadId32(Core::System& system, u32* out_thread_id_low, u32* out_thread_id_high,
+ Handle thread_handle);
+void Break32(Core::System& system, u32 reason, u32 info1, u32 info2);
+void OutputDebugString32(Core::System& system, u32 address, u32 len);
+Result GetInfo32(Core::System& system, u32* result_low, u32* result_high, u32 sub_id_low,
+ u32 info_id, u32 handle, u32 sub_id_high);
+Result MapPhysicalMemory32(Core::System& system, u32 addr, u32 size);
+Result UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size);
+Result SetThreadActivity32(Core::System& system, Handle thread_handle,
+ ThreadActivity thread_activity);
+Result GetThreadContext32(Core::System& system, u32 out_context, Handle thread_handle);
+Result WaitForAddress32(Core::System& system, u32 address, ArbitrationType arb_type, s32 value,
+ u32 timeout_ns_low, u32 timeout_ns_high);
+Result SignalToAddress32(Core::System& system, u32 address, SignalType signal_type, s32 value,
+ s32 count);
+Result CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read);
+Result CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size);
+Result ControlCodeMemory32(Core::System& system, Handle code_memory_handle, u32 operation,
+ u64 address, u64 size, MemoryPermission perm);
+Result FlushProcessDataCache32(Core::System& system, Handle process_handle, u64 address, u64 size);
+
} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_activity.cpp b/src/core/hle/kernel/svc/svc_activity.cpp
new file mode 100644
index 000000000..8774a5c98
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_activity.cpp
@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_results.h"
+
+namespace Kernel::Svc {
+
+/// Sets the thread activity
+Result 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;
+}
+
+Result SetThreadActivity32(Core::System& system, Handle thread_handle,
+ ThreadActivity thread_activity) {
+ return SetThreadActivity(system, thread_handle, thread_activity);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_address_arbiter.cpp b/src/core/hle/kernel/svc/svc_address_arbiter.cpp
new file mode 100644
index 000000000..842107726
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_address_arbiter.cpp
@@ -0,0 +1,113 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_memory_layout.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_results.h"
+#include "core/hle/kernel/svc_types.h"
+
+namespace Kernel::Svc {
+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)
+Result WaitForAddress(Core::System& system, VAddr address, 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);
+}
+
+Result WaitForAddress32(Core::System& system, u32 address, 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)
+Result SignalToAddress(Core::System& system, VAddr address, 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);
+}
+
+Result SignalToAddress32(Core::System& system, u32 address, SignalType signal_type, s32 value,
+ s32 count) {
+ return SignalToAddress(system, address, signal_type, value, count);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_address_translation.cpp b/src/core/hle/kernel/svc/svc_address_translation.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_address_translation.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_cache.cpp b/src/core/hle/kernel/svc/svc_cache.cpp
new file mode 100644
index 000000000..42167d35b
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_cache.cpp
@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_results.h"
+#include "core/hle/kernel/svc_types.h"
+
+namespace Kernel::Svc {
+
+Result FlushProcessDataCache32(Core::System& system, Handle process_handle, u64 address, u64 size) {
+ // Validate address/size.
+ R_UNLESS(size > 0, ResultInvalidSize);
+ R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory);
+ R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory);
+
+ // Get the process from its handle.
+ KScopedAutoObject process =
+ system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle);
+ R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
+
+ // Verify the region is within range.
+ auto& page_table = process->PageTable();
+ R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
+
+ // Perform the operation.
+ R_RETURN(system.Memory().FlushDataCache(*process, address, size));
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_code_memory.cpp b/src/core/hle/kernel/svc/svc_code_memory.cpp
new file mode 100644
index 000000000..4cb21e101
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_code_memory.cpp
@@ -0,0 +1,154 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_code_memory.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+namespace {
+
+constexpr bool IsValidMapCodeMemoryPermission(MemoryPermission perm) {
+ return perm == MemoryPermission::ReadWrite;
+}
+
+constexpr bool IsValidMapToOwnerCodeMemoryPermission(MemoryPermission perm) {
+ return perm == MemoryPermission::Read || perm == MemoryPermission::ReadExecute;
+}
+
+constexpr bool IsValidUnmapCodeMemoryPermission(MemoryPermission perm) {
+ return perm == MemoryPermission::None;
+}
+
+constexpr bool IsValidUnmapFromOwnerCodeMemoryPermission(MemoryPermission perm) {
+ return perm == MemoryPermission::None;
+}
+
+} // namespace
+
+Result 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;
+}
+
+Result CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size) {
+ return CreateCodeMemory(system, out, address, size);
+}
+
+Result ControlCodeMemory(Core::System& system, Handle code_memory_handle, u32 operation,
+ VAddr address, size_t size, 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;
+}
+
+Result ControlCodeMemory32(Core::System& system, Handle code_memory_handle, u32 operation,
+ u64 address, u64 size, MemoryPermission perm) {
+ return ControlCodeMemory(system, code_memory_handle, operation, address, size, perm);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_condition_variable.cpp b/src/core/hle/kernel/svc/svc_condition_variable.cpp
new file mode 100644
index 000000000..d6cfc87c5
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_condition_variable.cpp
@@ -0,0 +1,69 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_memory_layout.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_results.h"
+
+namespace Kernel::Svc {
+
+/// Wait process wide key atomic
+Result 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);
+}
+
+Result 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
+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);
+}
+
+void SignalProcessWideKey32(Core::System& system, u32 cv_key, s32 count) {
+ SignalProcessWideKey(system, cv_key, count);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_debug.cpp b/src/core/hle/kernel/svc/svc_debug.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_debug.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_debug_string.cpp b/src/core/hle/kernel/svc/svc_debug_string.cpp
new file mode 100644
index 000000000..486e62cc4
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_debug_string.cpp
@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/svc.h"
+#include "core/memory.h"
+
+namespace Kernel::Svc {
+
+/// Used to output a message on a debug hardware unit - does nothing on a retail unit
+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);
+}
+
+void OutputDebugString32(Core::System& system, u32 address, u32 len) {
+ OutputDebugString(system, address, len);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_device_address_space.cpp b/src/core/hle/kernel/svc/svc_device_address_space.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_device_address_space.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_event.cpp b/src/core/hle/kernel/svc/svc_event.cpp
new file mode 100644
index 000000000..885f02f50
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_event.cpp
@@ -0,0 +1,111 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_scoped_resource_reservation.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+Result 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 event.
+ KScopedAutoObject event = handle_table.GetObject<KEvent>(event_handle);
+ R_UNLESS(event.IsNotNull(), ResultInvalidHandle);
+
+ return event->Signal();
+}
+
+Result SignalEvent32(Core::System& system, Handle event_handle) {
+ return SignalEvent(system, event_handle);
+}
+
+Result 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 event = handle_table.GetObject<KEvent>(event_handle);
+ if (event.IsNotNull()) {
+ return 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;
+}
+
+Result ClearEvent32(Core::System& system, Handle event_handle) {
+ return ClearEvent(system, event_handle);
+}
+
+Result 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::EventCountMax);
+ 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(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->GetReadableEvent().Close();
+ event->Close();
+ });
+
+ // Register the event.
+ KEvent::Register(kernel, event);
+
+ // Add the event to the handle table.
+ R_TRY(handle_table.Add(out_write, event));
+
+ // Ensure that we maintaing a clean handle state on exit.
+ 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;
+}
+
+Result CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
+ return CreateEvent(system, out_write, out_read);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_exception.cpp b/src/core/hle/kernel/svc/svc_exception.cpp
new file mode 100644
index 000000000..fb9f133c1
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_exception.cpp
@@ -0,0 +1,121 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/debugger/debugger.h"
+#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/svc.h"
+#include "core/hle/kernel/svc_types.h"
+#include "core/memory.h"
+#include "core/reporter.h"
+
+namespace Kernel::Svc {
+
+/// Break program execution
+void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
+ BreakReason break_reason =
+ static_cast<BreakReason>(reason & ~static_cast<u32>(BreakReason::NotificationOnlyFlag));
+ bool notification_only = (reason & static_cast<u32>(BreakReason::NotificationOnlyFlag)) != 0;
+
+ 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) {
+ case BreakReason::Panic:
+ LOG_CRITICAL(Debug_Emulated, "Userspace PANIC! info1=0x{:016X}, info2=0x{:016X}", info1,
+ info2);
+ handle_debug_buffer(info1, info2);
+ break;
+ case BreakReason::Assert:
+ LOG_CRITICAL(Debug_Emulated, "Userspace Assertion failed! info1=0x{:016X}, info2=0x{:016X}",
+ info1, info2);
+ handle_debug_buffer(info1, info2);
+ break;
+ case BreakReason::User:
+ LOG_WARNING(Debug_Emulated, "Userspace Break! 0x{:016X} with size 0x{:016X}", info1, info2);
+ handle_debug_buffer(info1, info2);
+ break;
+ case BreakReason::PreLoadDll:
+ LOG_INFO(Debug_Emulated,
+ "Userspace Attempting to load an NRO at 0x{:016X} with size 0x{:016X}", info1,
+ info2);
+ break;
+ case BreakReason::PostLoadDll:
+ LOG_INFO(Debug_Emulated, "Userspace Loaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
+ info2);
+ break;
+ case BreakReason::PreUnloadDll:
+ LOG_INFO(Debug_Emulated,
+ "Userspace Attempting to unload an NRO at 0x{:016X} with size 0x{:016X}", info1,
+ info2);
+ break;
+ case BreakReason::PostUnloadDll:
+ LOG_INFO(Debug_Emulated, "Userspace Unloaded an NRO at 0x{:016X} with size 0x{:016X}",
+ info1, info2);
+ break;
+ case BreakReason::CppException:
+ LOG_CRITICAL(Debug_Emulated, "Signalling debugger. Uncaught C++ exception encountered.");
+ break;
+ default:
+ LOG_WARNING(
+ Debug_Emulated,
+ "Signalling debugger, Unknown break reason {:#X}, info1=0x{:016X}, info2=0x{:016X}",
+ reason, info1, info2);
+ handle_debug_buffer(info1, info2);
+ break;
+ }
+
+ system.GetReporter().SaveSvcBreakReport(reason, notification_only, info1, info2,
+ has_dumped_buffer ? std::make_optional(debug_buffer)
+ : std::nullopt);
+
+ if (!notification_only) {
+ 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 = GetCurrentThreadPointer(system.Kernel());
+ 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);
+ }
+}
+
+void Break32(Core::System& system, u32 reason, u32 info1, u32 info2) {
+ Break(system, reason, info1, info2);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_info.cpp b/src/core/hle/kernel/svc/svc_info.cpp
new file mode 100644
index 000000000..df5dd85a4
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_info.cpp
@@ -0,0 +1,282 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_resource_limit.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Gets system/memory information for the current process
+Result 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);
+
+ const auto info_id_type = static_cast<InfoType>(info_id);
+
+ switch (info_id_type) {
+ case InfoType::CoreMask:
+ case InfoType::PriorityMask:
+ case InfoType::AliasRegionAddress:
+ case InfoType::AliasRegionSize:
+ case InfoType::HeapRegionAddress:
+ case InfoType::HeapRegionSize:
+ case InfoType::AslrRegionAddress:
+ case InfoType::AslrRegionSize:
+ case InfoType::StackRegionAddress:
+ case InfoType::StackRegionSize:
+ case InfoType::TotalMemorySize:
+ case InfoType::UsedMemorySize:
+ case InfoType::SystemResourceSizeTotal:
+ case InfoType::SystemResourceSizeUsed:
+ case InfoType::ProgramId:
+ case InfoType::UserExceptionContextAddress:
+ case InfoType::TotalNonSystemMemorySize:
+ case InfoType::UsedNonSystemMemorySize:
+ case InfoType::IsApplication:
+ case InfoType::FreeThreadCount: {
+ 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 InfoType::CoreMask:
+ *result = process->GetCoreMask();
+ return ResultSuccess;
+
+ case InfoType::PriorityMask:
+ *result = process->GetPriorityMask();
+ return ResultSuccess;
+
+ case InfoType::AliasRegionAddress:
+ *result = process->PageTable().GetAliasRegionStart();
+ return ResultSuccess;
+
+ case InfoType::AliasRegionSize:
+ *result = process->PageTable().GetAliasRegionSize();
+ return ResultSuccess;
+
+ case InfoType::HeapRegionAddress:
+ *result = process->PageTable().GetHeapRegionStart();
+ return ResultSuccess;
+
+ case InfoType::HeapRegionSize:
+ *result = process->PageTable().GetHeapRegionSize();
+ return ResultSuccess;
+
+ case InfoType::AslrRegionAddress:
+ *result = process->PageTable().GetAliasCodeRegionStart();
+ return ResultSuccess;
+
+ case InfoType::AslrRegionSize:
+ *result = process->PageTable().GetAliasCodeRegionSize();
+ return ResultSuccess;
+
+ case InfoType::StackRegionAddress:
+ *result = process->PageTable().GetStackRegionStart();
+ return ResultSuccess;
+
+ case InfoType::StackRegionSize:
+ *result = process->PageTable().GetStackRegionSize();
+ return ResultSuccess;
+
+ case InfoType::TotalMemorySize:
+ *result = process->GetTotalPhysicalMemoryAvailable();
+ return ResultSuccess;
+
+ case InfoType::UsedMemorySize:
+ *result = process->GetTotalPhysicalMemoryUsed();
+ return ResultSuccess;
+
+ case InfoType::SystemResourceSizeTotal:
+ *result = process->GetSystemResourceSize();
+ return ResultSuccess;
+
+ case InfoType::SystemResourceSizeUsed:
+ LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
+ *result = process->GetSystemResourceUsage();
+ return ResultSuccess;
+
+ case InfoType::ProgramId:
+ *result = process->GetProgramID();
+ return ResultSuccess;
+
+ case InfoType::UserExceptionContextAddress:
+ *result = process->GetProcessLocalRegionAddress();
+ return ResultSuccess;
+
+ case InfoType::TotalNonSystemMemorySize:
+ *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
+ return ResultSuccess;
+
+ case InfoType::UsedNonSystemMemorySize:
+ *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
+ return ResultSuccess;
+
+ case InfoType::FreeThreadCount:
+ *result = process->GetFreeThreadCount();
+ return ResultSuccess;
+
+ default:
+ break;
+ }
+
+ LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
+ return ResultInvalidEnumValue;
+ }
+
+ case InfoType::DebuggerAttached:
+ *result = 0;
+ return ResultSuccess;
+
+ case InfoType::ResourceLimit: {
+ 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 InfoType::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 InfoType::InitialProcessIdRange:
+ LOG_WARNING(Kernel_SVC,
+ "(STUBBED) Attempted to query privileged process id bounds, returned 0");
+ *result = 0;
+ return ResultSuccess;
+
+ case InfoType::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 = GetCurrentThreadPointer(system.Kernel());
+ const bool same_thread = current_thread == thread.GetPointerUnsafe();
+
+ const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTime();
+ 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 InfoType::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;
+ }
+ case InfoType::MesosphereCurrentProcess: {
+ // Verify the input handle is invalid.
+ R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
+
+ // Verify the sub-type is valid.
+ R_UNLESS(info_sub_id == 0, ResultInvalidCombination);
+
+ // Get the handle table.
+ KProcess* current_process = system.Kernel().CurrentProcess();
+ KHandleTable& handle_table = current_process->GetHandleTable();
+
+ // Get a new handle for the current process.
+ Handle tmp;
+ R_TRY(handle_table.Add(&tmp, current_process));
+
+ // Set the output.
+ *result = tmp;
+
+ // We succeeded.
+ return ResultSuccess;
+ }
+ default:
+ LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
+ return ResultInvalidEnumValue;
+ }
+}
+
+Result 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 Result 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;
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_interrupt_event.cpp b/src/core/hle/kernel/svc/svc_interrupt_event.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_interrupt_event.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_io_pool.cpp b/src/core/hle/kernel/svc/svc_io_pool.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_io_pool.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_ipc.cpp b/src/core/hle/kernel/svc/svc_ipc.cpp
new file mode 100644
index 000000000..dbb68e89a
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_ipc.cpp
@@ -0,0 +1,89 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_client_session.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_server_session.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Makes a blocking IPC call to a service.
+Result SendSyncRequest(Core::System& system, Handle handle) {
+ auto& kernel = system.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());
+
+ return session->SendSyncRequest();
+}
+
+Result SendSyncRequest32(Core::System& system, Handle handle) {
+ return SendSyncRequest(system, handle);
+}
+
+Result ReplyAndReceive(Core::System& system, s32* out_index, Handle* handles, s32 num_handles,
+ Handle reply_target, s64 timeout_ns) {
+ auto& kernel = system.Kernel();
+ auto& handle_table = GetCurrentThread(kernel).GetOwnerProcess()->GetHandleTable();
+
+ // Convert handle list to object table.
+ std::vector<KSynchronizationObject*> objs(num_handles);
+ R_UNLESS(
+ handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles, num_handles),
+ ResultInvalidHandle);
+
+ // Ensure handles are closed when we're done.
+ SCOPE_EXIT({
+ for (auto i = 0; i < num_handles; ++i) {
+ objs[i]->Close();
+ }
+ });
+
+ // Reply to the target, if one is specified.
+ if (reply_target != InvalidHandle) {
+ KScopedAutoObject session = handle_table.GetObject<KServerSession>(reply_target);
+ R_UNLESS(session.IsNotNull(), ResultInvalidHandle);
+
+ // If we fail to reply, we want to set the output index to -1.
+ ON_RESULT_FAILURE {
+ *out_index = -1;
+ };
+
+ // Send the reply.
+ R_TRY(session->SendReply());
+ }
+
+ // Wait for a message.
+ while (true) {
+ // Wait for an object.
+ s32 index;
+ Result result = KSynchronizationObject::Wait(kernel, &index, objs.data(),
+ static_cast<s32>(objs.size()), timeout_ns);
+ if (result == ResultTimedOut) {
+ return result;
+ }
+
+ // Receive the request.
+ if (R_SUCCEEDED(result)) {
+ KServerSession* session = objs[index]->DynamicCast<KServerSession*>();
+ if (session != nullptr) {
+ result = session->ReceiveRequest();
+ if (result == ResultNotFound) {
+ continue;
+ }
+ }
+ }
+
+ *out_index = index;
+ return result;
+ }
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_kernel_debug.cpp b/src/core/hle/kernel/svc/svc_kernel_debug.cpp
new file mode 100644
index 000000000..454255e7a
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_kernel_debug.cpp
@@ -0,0 +1,19 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+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.
+}
+
+void ChangeKernelTraceState([[maybe_unused]] Core::System& system,
+ [[maybe_unused]] u32 trace_state) {
+ // Intentionally do nothing, as this does nothing in released kernel binaries.
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_light_ipc.cpp b/src/core/hle/kernel/svc/svc_light_ipc.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_light_ipc.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_lock.cpp b/src/core/hle/kernel/svc/svc_lock.cpp
new file mode 100644
index 000000000..45f2a6553
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_lock.cpp
@@ -0,0 +1,57 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_memory_layout.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Attempts to locks a mutex
+Result 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);
+}
+
+Result ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address, u32 tag) {
+ return ArbitrateLock(system, thread_handle, address, tag);
+}
+
+/// Unlock a mutex
+Result 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);
+}
+
+Result ArbitrateUnlock32(Core::System& system, u32 address) {
+ return ArbitrateUnlock(system, address);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_memory.cpp b/src/core/hle/kernel/svc/svc_memory.cpp
new file mode 100644
index 000000000..f78b1239b
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_memory.cpp
@@ -0,0 +1,189 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+namespace {
+
+constexpr bool IsValidSetMemoryPermission(MemoryPermission perm) {
+ switch (perm) {
+ case MemoryPermission::None:
+ case MemoryPermission::Read:
+ case MemoryPermission::ReadWrite:
+ return true;
+ default:
+ return false;
+ }
+}
+
+// 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.
+Result 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;
+}
+
+} // namespace
+
+Result 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);
+}
+
+Result 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);
+}
+
+Result 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.
+Result 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 Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
+ result.IsError()) {
+ return result;
+ }
+
+ return page_table.MapMemory(dst_addr, src_addr, size);
+}
+
+Result 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
+Result 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 Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
+ result.IsError()) {
+ return result;
+ }
+
+ return page_table.UnmapMemory(dst_addr, src_addr, size);
+}
+
+Result UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
+ return UnmapMemory(system, dst_addr, src_addr, size);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_physical_memory.cpp b/src/core/hle/kernel/svc/svc_physical_memory.cpp
new file mode 100644
index 000000000..0fc262203
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_physical_memory.cpp
@@ -0,0 +1,137 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Set the process heap to a given Size. It can both extend and shrink the heap.
+Result 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;
+}
+
+Result SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
+ VAddr temp_heap_addr{};
+ const Result result{SetHeapSize(system, &temp_heap_addr, heap_size)};
+ *heap_addr = static_cast<u32>(temp_heap_addr);
+ return result;
+}
+
+/// Maps memory at a desired address
+Result 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);
+}
+
+Result MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
+ return MapPhysicalMemory(system, addr, size);
+}
+
+/// Unmaps memory previously mapped via MapPhysicalMemory
+Result 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);
+}
+
+Result UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
+ return UnmapPhysicalMemory(system, addr, size);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_port.cpp b/src/core/hle/kernel/svc/svc_port.cpp
new file mode 100644
index 000000000..cdfe0dd16
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_port.cpp
@@ -0,0 +1,71 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_client_port.h"
+#include "core/hle/kernel/k_client_session.h"
+#include "core/hle/kernel/k_port.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Connect to an OS service given the port name, returns the handle to the port to out
+Result 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)));
+
+ kernel.RegisterNamedServiceHandler(port_name, &port->GetParent()->GetServerPort());
+
+ // Register the session in the table, close the extra reference.
+ handle_table.Register(*out, session);
+ session->Close();
+
+ // We succeeded.
+ handle_guard.Cancel();
+ return ResultSuccess;
+}
+
+Result ConnectToNamedPort32(Core::System& system, Handle* out_handle, u32 port_name_address) {
+
+ return ConnectToNamedPort(system, out_handle, port_name_address);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_power_management.cpp b/src/core/hle/kernel/svc/svc_power_management.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_power_management.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_process.cpp b/src/core/hle/kernel/svc/svc_process.cpp
new file mode 100644
index 000000000..d6c8b4561
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_process.cpp
@@ -0,0 +1,124 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Exits the current process
+void ExitProcess(Core::System& system) {
+ auto* current_process = system.Kernel().CurrentProcess();
+
+ LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
+ ASSERT_MSG(current_process->GetState() == KProcess::State::Running,
+ "Process has already exited");
+
+ system.Exit();
+}
+
+void ExitProcess32(Core::System& system) {
+ ExitProcess(system);
+}
+
+/// Gets the ID of the specified process or a specified thread's owning process.
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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);
+
+ 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<ProcessInfoType>(type);
+ if (info_type != ProcessInfoType::ProcessState) {
+ LOG_ERROR(Kernel_SVC, "Expected info_type to be ProcessState but got {} instead", type);
+ return ResultInvalidEnumValue;
+ }
+
+ *out = static_cast<u64>(process->GetState());
+ return ResultSuccess;
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_process_memory.cpp b/src/core/hle/kernel/svc/svc_process_memory.cpp
new file mode 100644
index 000000000..b6ac43af2
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_process_memory.cpp
@@ -0,0 +1,274 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+namespace {
+
+constexpr bool IsValidAddressRange(VAddr address, u64 size) {
+ return address + size > address;
+}
+
+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;
+ }
+}
+
+} // namespace
+
+Result 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);
+}
+
+Result 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.
+ KPageGroup pg{system.Kernel(), dst_pt.GetBlockInfoManager()};
+ 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.MapPageGroup(dst_address, pg, KMemoryState::SharedCode,
+ KMemoryPermission::UserReadWrite));
+
+ return ResultSuccess;
+}
+
+Result 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;
+}
+
+Result 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);
+}
+
+Result 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);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_processor.cpp b/src/core/hle/kernel/svc/svc_processor.cpp
new file mode 100644
index 000000000..8561cf74f
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_processor.cpp
@@ -0,0 +1,21 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/hle/kernel/physical_core.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Get which CPU core is executing the current thread
+u32 GetCurrentProcessorNumber(Core::System& system) {
+ LOG_TRACE(Kernel_SVC, "called");
+ return static_cast<u32>(system.CurrentPhysicalCore().CoreIndex());
+}
+
+u32 GetCurrentProcessorNumber32(Core::System& system) {
+ return GetCurrentProcessorNumber(system);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_query_memory.cpp b/src/core/hle/kernel/svc/svc_query_memory.cpp
new file mode 100644
index 000000000..aac3b2eca
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_query_memory.cpp
@@ -0,0 +1,55 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+Result 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);
+}
+
+Result 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);
+}
+
+Result 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.base_address);
+ 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.attribute));
+ memory.Write32(memory_info_address + 0x18, static_cast<u32>(memory_info.permission));
+ memory.Write32(memory_info_address + 0x1c, memory_info.ipc_count);
+ memory.Write32(memory_info_address + 0x20, memory_info.device_count);
+ 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;
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_register.cpp b/src/core/hle/kernel/svc/svc_register.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_register.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_resource_limit.cpp b/src/core/hle/kernel/svc/svc_resource_limit.cpp
new file mode 100644
index 000000000..679ba10fa
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_resource_limit.cpp
@@ -0,0 +1,95 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_resource_limit.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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;
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_secure_monitor_call.cpp b/src/core/hle/kernel/svc/svc_secure_monitor_call.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_secure_monitor_call.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_session.cpp b/src/core/hle/kernel/svc/svc_session.cpp
new file mode 100644
index 000000000..dac8ce33c
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_session.cpp
@@ -0,0 +1,103 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_scoped_resource_reservation.h"
+#include "core/hle/kernel/k_session.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+namespace {
+
+template <typename T>
+Result CreateSession(Core::System& system, Handle* out_server, Handle* out_client, u64 name) {
+ auto& process = *system.CurrentProcess();
+ auto& handle_table = process.GetHandleTable();
+
+ // Declare the session we're going to allocate.
+ T* session;
+
+ // Reserve a new session from the process resource limit.
+ // FIXME: LimitableResource_SessionCountMax
+ KScopedResourceReservation session_reservation(&process, LimitableResource::SessionCountMax);
+ if (session_reservation.Succeeded()) {
+ session = T::Create(system.Kernel());
+ } else {
+ return ResultLimitReached;
+
+ // // We couldn't reserve a session. Check that we support dynamically expanding the
+ // // resource limit.
+ // R_UNLESS(process.GetResourceLimit() ==
+ // &system.Kernel().GetSystemResourceLimit(), ResultLimitReached);
+ // R_UNLESS(KTargetSystem::IsDynamicResourceLimitsEnabled(), ResultLimitReached());
+
+ // // Try to allocate a session from unused slab memory.
+ // session = T::CreateFromUnusedSlabMemory();
+ // R_UNLESS(session != nullptr, ResultLimitReached);
+ // ON_RESULT_FAILURE { session->Close(); };
+
+ // // If we're creating a KSession, we want to add two KSessionRequests to the heap, to
+ // // prevent request exhaustion.
+ // // NOTE: Nintendo checks if session->DynamicCast<KSession *>() != nullptr, but there's
+ // // no reason to not do this statically.
+ // if constexpr (std::same_as<T, KSession>) {
+ // for (size_t i = 0; i < 2; i++) {
+ // KSessionRequest* request = KSessionRequest::CreateFromUnusedSlabMemory();
+ // R_UNLESS(request != nullptr, ResultLimitReached);
+ // request->Close();
+ // }
+ // }
+
+ // We successfully allocated a session, so add the object we allocated to the resource
+ // limit.
+ // system.Kernel().GetSystemResourceLimit().Reserve(LimitableResource::SessionCountMax, 1);
+ }
+
+ // Check that we successfully created a session.
+ R_UNLESS(session != nullptr, ResultOutOfResource);
+
+ // Initialize the session.
+ session->Initialize(nullptr, fmt::format("{}", name));
+
+ // Commit the session reservation.
+ session_reservation.Commit();
+
+ // Ensure that we clean up the session (and its only references are handle table) on function
+ // end.
+ SCOPE_EXIT({
+ session->GetClientSession().Close();
+ session->GetServerSession().Close();
+ });
+
+ // Register the session.
+ T::Register(system.Kernel(), session);
+
+ // Add the server session to the handle table.
+ R_TRY(handle_table.Add(out_server, &session->GetServerSession()));
+
+ // Add the client session to the handle table.
+ const auto result = handle_table.Add(out_client, &session->GetClientSession());
+
+ if (!R_SUCCEEDED(result)) {
+ // Ensure that we maintaing a clean handle state on exit.
+ handle_table.Remove(*out_server);
+ }
+
+ return result;
+}
+
+} // namespace
+
+Result CreateSession(Core::System& system, Handle* out_server, Handle* out_client, u32 is_light,
+ u64 name) {
+ if (is_light) {
+ // return CreateSession<KLightSession>(system, out_server, out_client, name);
+ return ResultUnknown;
+ } else {
+ return CreateSession<KSession>(system, out_server, out_client, name);
+ }
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_shared_memory.cpp b/src/core/hle/kernel/svc/svc_shared_memory.cpp
new file mode 100644
index 000000000..d465bcbe7
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_shared_memory.cpp
@@ -0,0 +1,106 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_shared_memory.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+namespace {
+
+constexpr bool IsValidSharedMemoryPermission(MemoryPermission perm) {
+ switch (perm) {
+ case MemoryPermission::Read:
+ case MemoryPermission::ReadWrite:
+ return true;
+ default:
+ return false;
+ }
+}
+
+[[maybe_unused]] constexpr bool IsValidRemoteSharedMemoryPermission(MemoryPermission perm) {
+ return IsValidSharedMemoryPermission(perm) || perm == MemoryPermission::DontCare;
+}
+
+} // namespace
+
+Result 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;
+}
+
+Result MapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address, u32 size,
+ Svc::MemoryPermission map_perm) {
+ return MapSharedMemory(system, shmem_handle, address, size, map_perm);
+}
+
+Result 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;
+}
+
+Result UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address, u32 size) {
+ return UnmapSharedMemory(system, shmem_handle, address, size);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_synchronization.cpp b/src/core/hle/kernel/svc/svc_synchronization.cpp
new file mode 100644
index 000000000..1bf6a612a
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_synchronization.cpp
@@ -0,0 +1,139 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_readable_event.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// Close a handle
+Result 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;
+}
+
+Result CloseHandle32(Core::System& system, Handle handle) {
+ return CloseHandle(system, handle);
+}
+
+/// Clears the signaled state of an event or process.
+Result 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;
+}
+
+Result ResetSignal32(Core::System& system, Handle handle) {
+ return ResetSignal(system, handle);
+}
+
+/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
+Result 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);
+}
+
+Result 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
+Result 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;
+}
+
+Result CancelSynchronization32(Core::System& system, Handle handle) {
+ return CancelSynchronization(system, handle);
+}
+
+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);
+ }
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_thread.cpp b/src/core/hle/kernel/svc/svc_thread.cpp
new file mode 100644
index 000000000..dd9f8e8b1
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_thread.cpp
@@ -0,0 +1,396 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_scoped_resource_reservation.h"
+#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+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
+Result 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::ThreadCountMax, 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;
+}
+
+Result 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
+Result 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;
+}
+
+Result StartThread32(Core::System& system, Handle thread_handle) {
+ return StartThread(system, thread_handle);
+}
+
+/// Called when a thread exits
+void ExitThread(Core::System& system) {
+ LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
+
+ auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
+ system.GlobalSchedulerContext().RemoveThread(current_thread);
+ current_thread->Exit();
+ system.Kernel().UnregisterInUseObject(current_thread);
+}
+
+void ExitThread32(Core::System& system) {
+ ExitThread(system);
+}
+
+/// Sleep the current thread
+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);
+ }
+}
+
+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);
+}
+
+/// Gets the thread context
+Result 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).GetSchedulerCurrentThread()) {
+ 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;
+}
+
+Result GetThreadContext32(Core::System& system, u32 out_context, Handle thread_handle) {
+ return GetThreadContext(system, out_context, thread_handle);
+}
+
+/// Gets the priority for the specified thread
+Result 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;
+}
+
+Result GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
+ return GetThreadPriority(system, out_priority, handle);
+}
+
+/// Sets the priority for the specified thread
+Result 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;
+}
+
+Result SetThreadPriority32(Core::System& system, Handle thread_handle, u32 priority) {
+ return SetThreadPriority(system, thread_handle, priority);
+}
+
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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;
+}
+
+Result 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);
+}
+
+/// Get the ID for the specified thread.
+Result 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;
+}
+
+Result GetThreadId32(Core::System& system, u32* out_thread_id_low, u32* out_thread_id_high,
+ Handle thread_handle) {
+ u64 out_thread_id{};
+ const Result 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;
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_thread_profiler.cpp b/src/core/hle/kernel/svc/svc_thread_profiler.cpp
new file mode 100644
index 000000000..299e22ae6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_thread_profiler.cpp
@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_tick.cpp b/src/core/hle/kernel/svc/svc_tick.cpp
new file mode 100644
index 000000000..e9b4fd5a6
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_tick.cpp
@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+
+/// This returns the total CPU ticks elapsed since the CPU was powered-on
+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{core_timing.GetClockTicks()};
+
+ if (!system.Kernel().IsMulticore()) {
+ core_timing.AddTicks(400U);
+ }
+
+ return result;
+}
+
+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);
+}
+
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc/svc_transfer_memory.cpp b/src/core/hle/kernel/svc/svc_transfer_memory.cpp
new file mode 100644
index 000000000..b14ae24a1
--- /dev/null
+++ b/src/core/hle/kernel/svc/svc_transfer_memory.cpp
@@ -0,0 +1,79 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+#include "core/core.h"
+#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_scoped_resource_reservation.h"
+#include "core/hle/kernel/k_transfer_memory.h"
+#include "core/hle/kernel/svc.h"
+
+namespace Kernel::Svc {
+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
+Result 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::TransferMemoryCountMax);
+ 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;
+}
+
+Result CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
+ MemoryPermission map_perm) {
+ return CreateTransferMemory(system, out, address, size, map_perm);
+}
+} // namespace Kernel::Svc
diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h
index 1ea8c7fbc..052be40dd 100644
--- a/src/core/hle/kernel/svc_wrap.h
+++ b/src/core/hle/kernel/svc_wrap.h
@@ -172,11 +172,11 @@ void SvcWrap64(Core::System& system) {
}
// Used by GetResourceLimitLimitValue.
-template <Result func(Core::System&, u64*, Handle, LimitableResource)>
+template <Result func(Core::System&, u64*, Handle, Svc::LimitableResource)>
void SvcWrap64(Core::System& system) {
u64 param_1 = 0;
const u32 retval = func(system, &param_1, static_cast<Handle>(Param(system, 1)),
- static_cast<LimitableResource>(Param(system, 2)))
+ static_cast<Svc::LimitableResource>(Param(system, 2)))
.raw;
system.CurrentArmInterface().SetReg(1, param_1);
@@ -189,10 +189,10 @@ void SvcWrap64(Core::System& system) {
}
// Used by SetResourceLimitLimitValue
-template <Result func(Core::System&, Handle, LimitableResource, u64)>
+template <Result func(Core::System&, Handle, Svc::LimitableResource, u64)>
void SvcWrap64(Core::System& system) {
FuncReturn(system, func(system, static_cast<Handle>(Param(system, 0)),
- static_cast<LimitableResource>(Param(system, 1)), Param(system, 2))
+ static_cast<Svc::LimitableResource>(Param(system, 1)), Param(system, 2))
.raw);
}