aboutsummaryrefslogtreecommitdiff
path: root/src/core/hle/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/kernel.cpp7
-rw-r--r--src/core/hle/kernel/process.cpp22
-rw-r--r--src/core/hle/kernel/process.h7
-rw-r--r--src/core/hle/kernel/svc.cpp160
-rw-r--r--src/core/hle/kernel/svc_wrap.h7
-rw-r--r--src/core/hle/kernel/thread.cpp5
-rw-r--r--src/core/hle/kernel/thread.h18
-rw-r--r--src/core/hle/kernel/vm_manager.cpp80
-rw-r--r--src/core/hle/kernel/vm_manager.h49
-rw-r--r--src/core/hle/kernel/wait_object.cpp2
-rw-r--r--src/core/hle/kernel/wait_object.h2
11 files changed, 311 insertions, 48 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 4d58e7c69..8539fabe4 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -182,7 +182,12 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
void KernelCore::MakeCurrentProcess(Process* process) {
impl->current_process = process;
- Memory::SetCurrentPageTable(&process->VMManager().page_table);
+
+ if (process == nullptr) {
+ return;
+ }
+
+ Memory::SetCurrentPageTable(*process);
}
Process* KernelCore::CurrentProcess() {
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 4e94048da..6d7a7e754 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -28,21 +28,20 @@ namespace {
*
* @param owner_process The parent process for the main thread
* @param kernel The kernel instance to create the main thread under.
- * @param entry_point The address at which the thread should start execution
* @param priority The priority to give the main thread
*/
-void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) {
- // Initialize new "main" thread
- const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
+void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
+ const auto& vm_manager = owner_process.VMManager();
+ const VAddr entry_point = vm_manager.GetCodeRegionBaseAddress();
+ const VAddr stack_top = vm_manager.GetTLSIORegionEndAddress();
auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
owner_process.GetIdealCore(), stack_top, owner_process);
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
// Register 1 must be a handle to the main thread
- const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
- thread->SetGuestHandle(guest_handle);
- thread->GetContext().cpu_registers[1] = guest_handle;
+ const Handle thread_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
+ thread->GetContext().cpu_registers[1] = thread_handle;
// Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
thread->ResumeFromWait();
@@ -106,8 +105,6 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
is_64bit_process = metadata.Is64BitProgram();
vm_manager.Reset(metadata.GetAddressSpaceType());
- // Ensure that the potentially resized page table is seen by CPU backends.
- Memory::SetCurrentPageTable(&vm_manager.page_table);
const auto& caps = metadata.GetKernelCapabilities();
const auto capability_init_result =
@@ -119,7 +116,7 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
return handle_table.SetSize(capabilities.GetHandleTableSize());
}
-void Process::Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size) {
+void Process::Run(s32 main_thread_priority, u64 stack_size) {
// The kernel always ensures that the given stack size is page aligned.
main_thread_stack_size = Common::AlignUp(stack_size, Memory::PAGE_SIZE);
@@ -135,7 +132,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size) {
vm_manager.LogLayout();
ChangeStatus(ProcessStatus::Running);
- SetupMainThread(*this, kernel, entry_point, main_thread_priority);
+ SetupMainThread(*this, kernel, main_thread_priority);
}
void Process::PrepareForTermination() {
@@ -242,9 +239,6 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) {
MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeData);
code_memory_size += module_.memory.size();
-
- // Clear instruction cache in CPU JIT
- system.InvalidateCpuInstructionCaches();
}
Process::Process(Core::System& system)
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index dda52f4c0..bf3b7eef3 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -225,9 +225,12 @@ public:
ResultCode LoadFromMetadata(const FileSys::ProgramMetadata& metadata);
/**
- * Applies address space changes and launches the process main thread.
+ * Starts the main application thread for this process.
+ *
+ * @param main_thread_priority The priority for the main thread.
+ * @param stack_size The stack size for the main thread in bytes.
*/
- void Run(VAddr entry_point, s32 main_thread_priority, u64 stack_size);
+ void Run(s32 main_thread_priority, u64 stack_size);
/**
* Prepares a process for termination by stopping all of its threads
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index e5d4d6b55..4c763b288 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1189,6 +1189,142 @@ static ResultCode QueryMemory(Core::System& system, VAddr memory_info_address,
query_address);
}
+static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
+ u64 src_address, u64 size) {
+ LOG_DEBUG(Kernel_SVC,
+ "called. process_handle=0x{:08X}, dst_address=0x{:016X}, "
+ "src_address=0x{:016X}, size=0x{:016X}",
+ process_handle, dst_address, src_address, size);
+
+ if (!Common::Is4KBAligned(src_address)) {
+ LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
+ src_address);
+ return ERR_INVALID_ADDRESS;
+ }
+
+ if (!Common::Is4KBAligned(dst_address)) {
+ LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
+ dst_address);
+ return ERR_INVALID_ADDRESS;
+ }
+
+ if (size == 0 || !Common::Is4KBAligned(size)) {
+ LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X})", size);
+ return ERR_INVALID_SIZE;
+ }
+
+ 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 ERR_INVALID_ADDRESS_STATE;
+ }
+
+ 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 ERR_INVALID_ADDRESS_STATE;
+ }
+
+ const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
+ auto process = handle_table.Get<Process>(process_handle);
+ if (!process) {
+ LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
+ process_handle);
+ return ERR_INVALID_HANDLE;
+ }
+
+ auto& vm_manager = process->VMManager();
+ if (!vm_manager.IsWithinAddressSpace(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 ERR_INVALID_ADDRESS_STATE;
+ }
+
+ if (!vm_manager.IsWithinASLRRegion(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 ERR_INVALID_MEMORY_RANGE;
+ }
+
+ return vm_manager.MapCodeMemory(dst_address, src_address, size);
+}
+
+ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
+ u64 src_address, u64 size) {
+ LOG_DEBUG(Kernel_SVC,
+ "called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, "
+ "size=0x{:016X}",
+ process_handle, dst_address, src_address, size);
+
+ if (!Common::Is4KBAligned(dst_address)) {
+ LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
+ dst_address);
+ return ERR_INVALID_ADDRESS;
+ }
+
+ if (!Common::Is4KBAligned(src_address)) {
+ LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
+ src_address);
+ return ERR_INVALID_ADDRESS;
+ }
+
+ if (size == 0 || Common::Is4KBAligned(size)) {
+ LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X}).", size);
+ return ERR_INVALID_SIZE;
+ }
+
+ 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 ERR_INVALID_ADDRESS_STATE;
+ }
+
+ 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 ERR_INVALID_ADDRESS_STATE;
+ }
+
+ const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
+ auto process = handle_table.Get<Process>(process_handle);
+ if (!process) {
+ LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
+ process_handle);
+ return ERR_INVALID_HANDLE;
+ }
+
+ auto& vm_manager = process->VMManager();
+ if (!vm_manager.IsWithinAddressSpace(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 ERR_INVALID_ADDRESS_STATE;
+ }
+
+ if (!vm_manager.IsWithinASLRRegion(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 ERR_INVALID_MEMORY_RANGE;
+ }
+
+ return vm_manager.UnmapCodeMemory(dst_address, src_address, size);
+}
+
/// Exits the current process
static void ExitProcess(Core::System& system) {
auto* current_process = system.Kernel().CurrentProcess();
@@ -1244,20 +1380,22 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
return ERR_INVALID_THREAD_PRIORITY;
}
- const std::string name = fmt::format("thread-{:X}", entry_point);
auto& kernel = system.Kernel();
CASCADE_RESULT(SharedPtr<Thread> thread,
- Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top,
+ Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top,
*current_process));
- const auto new_guest_handle = current_process->GetHandleTable().Create(thread);
- if (new_guest_handle.Failed()) {
+ const auto new_thread_handle = current_process->GetHandleTable().Create(thread);
+ if (new_thread_handle.Failed()) {
LOG_ERROR(Kernel_SVC, "Failed to create handle with error=0x{:X}",
- new_guest_handle.Code().raw);
- return new_guest_handle.Code();
+ new_thread_handle.Code().raw);
+ return new_thread_handle.Code();
}
- thread->SetGuestHandle(*new_guest_handle);
- *out_handle = *new_guest_handle;
+ *out_handle = *new_thread_handle;
+
+ // Set the thread name for debugging purposes.
+ thread->SetName(
+ fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *new_thread_handle));
system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
@@ -2152,7 +2290,7 @@ static const FunctionDef SVC_Table[] = {
{0x33, SvcWrap<GetThreadContext>, "GetThreadContext"},
{0x34, SvcWrap<WaitForAddress>, "WaitForAddress"},
{0x35, SvcWrap<SignalToAddress>, "SignalToAddress"},
- {0x36, nullptr, "Unknown"},
+ {0x36, nullptr, "SynchronizePreemptionState"},
{0x37, nullptr, "Unknown"},
{0x38, nullptr, "Unknown"},
{0x39, nullptr, "Unknown"},
@@ -2217,8 +2355,8 @@ static const FunctionDef SVC_Table[] = {
{0x74, nullptr, "MapProcessMemory"},
{0x75, nullptr, "UnmapProcessMemory"},
{0x76, SvcWrap<QueryProcessMemory>, "QueryProcessMemory"},
- {0x77, nullptr, "MapProcessCodeMemory"},
- {0x78, nullptr, "UnmapProcessCodeMemory"},
+ {0x77, SvcWrap<MapProcessCodeMemory>, "MapProcessCodeMemory"},
+ {0x78, SvcWrap<UnmapProcessCodeMemory>, "UnmapProcessCodeMemory"},
{0x79, nullptr, "CreateProcess"},
{0x7A, nullptr, "StartProcess"},
{0x7B, nullptr, "TerminateProcess"},
diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h
index b3690b5f3..865473c6f 100644
--- a/src/core/hle/kernel/svc_wrap.h
+++ b/src/core/hle/kernel/svc_wrap.h
@@ -44,6 +44,13 @@ void SvcWrap(Core::System& system) {
func(system, static_cast<u32>(Param(system, 0)), static_cast<u32>(Param(system, 1))).raw);
}
+template <ResultCode func(Core::System&, u32, u64, u64, u64)>
+void SvcWrap(Core::System& system) {
+ FuncReturn(system, func(system, static_cast<u32>(Param(system, 0)), Param(system, 1),
+ Param(system, 2), Param(system, 3))
+ .raw);
+}
+
template <ResultCode func(Core::System&, u32*)>
void SvcWrap(Core::System& system) {
u32 param = 0;
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 1b891f632..ca52267b2 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -220,11 +220,6 @@ void Thread::SetPriority(u32 priority) {
UpdatePriority();
}
-void Thread::BoostPriority(u32 priority) {
- scheduler->SetThreadPriority(this, priority);
- current_priority = priority;
-}
-
void Thread::SetWaitSynchronizationResult(ResultCode result) {
context.cpu_registers[0] = result.raw;
}
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index 83c83e45a..411a73b49 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -102,6 +102,11 @@ public:
std::string GetName() const override {
return name;
}
+
+ void SetName(std::string new_name) {
+ name = std::move(new_name);
+ }
+
std::string GetTypeName() const override {
return "Thread";
}
@@ -136,12 +141,6 @@ public:
*/
void SetPriority(u32 priority);
- /**
- * Temporarily boosts the thread's priority until the next time it is scheduled
- * @param priority The new priority
- */
- void BoostPriority(u32 priority);
-
/// Adds a thread to the list of threads that are waiting for a lock held by this thread.
void AddMutexWaiter(SharedPtr<Thread> thread);
@@ -345,10 +344,6 @@ public:
arb_wait_address = address;
}
- void SetGuestHandle(Handle handle) {
- guest_handle = handle;
- }
-
bool HasWakeupCallback() const {
return wakeup_callback != nullptr;
}
@@ -442,9 +437,6 @@ private:
/// If waiting for an AddressArbiter, this is the address being waited on.
VAddr arb_wait_address{0};
- /// Handle used by guest emulated application to access this thread
- Handle guest_handle = 0;
-
/// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
Handle callback_handle = 0;
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index ec0a480ce..f0c0c12fc 100644
--- a/src/core/hle/kernel/vm_manager.cpp
+++ b/src/core/hle/kernel/vm_manager.cpp
@@ -302,6 +302,86 @@ ResultVal<VAddr> VMManager::SetHeapSize(u64 size) {
return MakeResult<VAddr>(heap_region_base);
}
+ResultCode VMManager::MapCodeMemory(VAddr dst_address, VAddr src_address, u64 size) {
+ constexpr auto ignore_attribute = MemoryAttribute::LockedForIPC | MemoryAttribute::DeviceMapped;
+ const auto src_check_result = CheckRangeState(
+ src_address, size, MemoryState::All, MemoryState::Heap, VMAPermission::All,
+ VMAPermission::ReadWrite, MemoryAttribute::Mask, MemoryAttribute::None, ignore_attribute);
+
+ if (src_check_result.Failed()) {
+ return src_check_result.Code();
+ }
+
+ const auto mirror_result =
+ MirrorMemory(dst_address, src_address, size, MemoryState::ModuleCode);
+ if (mirror_result.IsError()) {
+ return mirror_result;
+ }
+
+ // Ensure we lock the source memory region.
+ const auto src_vma_result = CarveVMARange(src_address, size);
+ if (src_vma_result.Failed()) {
+ return src_vma_result.Code();
+ }
+ auto src_vma_iter = *src_vma_result;
+ src_vma_iter->second.attribute = MemoryAttribute::Locked;
+ Reprotect(src_vma_iter, VMAPermission::Read);
+
+ // The destination memory region is fine as is, however we need to make it read-only.
+ return ReprotectRange(dst_address, size, VMAPermission::Read);
+}
+
+ResultCode VMManager::UnmapCodeMemory(VAddr dst_address, VAddr src_address, u64 size) {
+ constexpr auto ignore_attribute = MemoryAttribute::LockedForIPC | MemoryAttribute::DeviceMapped;
+ const auto src_check_result = CheckRangeState(
+ src_address, size, MemoryState::All, MemoryState::Heap, VMAPermission::None,
+ VMAPermission::None, MemoryAttribute::Mask, MemoryAttribute::Locked, ignore_attribute);
+
+ if (src_check_result.Failed()) {
+ return src_check_result.Code();
+ }
+
+ // Yes, the kernel only checks the first page of the region.
+ const auto dst_check_result =
+ CheckRangeState(dst_address, Memory::PAGE_SIZE, MemoryState::FlagModule,
+ MemoryState::FlagModule, VMAPermission::None, VMAPermission::None,
+ MemoryAttribute::Mask, MemoryAttribute::None, ignore_attribute);
+
+ if (dst_check_result.Failed()) {
+ return dst_check_result.Code();
+ }
+
+ const auto dst_memory_state = std::get<MemoryState>(*dst_check_result);
+ const auto dst_contiguous_check_result = CheckRangeState(
+ dst_address, size, MemoryState::All, dst_memory_state, VMAPermission::None,
+ VMAPermission::None, MemoryAttribute::Mask, MemoryAttribute::None, ignore_attribute);
+
+ if (dst_contiguous_check_result.Failed()) {
+ return dst_contiguous_check_result.Code();
+ }
+
+ const auto unmap_result = UnmapRange(dst_address, size);
+ if (unmap_result.IsError()) {
+ return unmap_result;
+ }
+
+ // With the mirrored portion unmapped, restore the original region's traits.
+ const auto src_vma_result = CarveVMARange(src_address, size);
+ if (src_vma_result.Failed()) {
+ return src_vma_result.Code();
+ }
+ auto src_vma_iter = *src_vma_result;
+ src_vma_iter->second.state = MemoryState::Heap;
+ src_vma_iter->second.attribute = MemoryAttribute::None;
+ Reprotect(src_vma_iter, VMAPermission::ReadWrite);
+
+ if (dst_memory_state == MemoryState::ModuleCode) {
+ Core::System::GetInstance().InvalidateCpuInstructionCaches();
+ }
+
+ return unmap_result;
+}
+
MemoryInfo VMManager::QueryMemory(VAddr address) const {
const auto vma = FindVMA(address);
MemoryInfo memory_info{};
diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h
index 6f484b7bf..288eb9450 100644
--- a/src/core/hle/kernel/vm_manager.h
+++ b/src/core/hle/kernel/vm_manager.h
@@ -43,6 +43,9 @@ enum class VMAPermission : u8 {
ReadExecute = Read | Execute,
WriteExecute = Write | Execute,
ReadWriteExecute = Read | Write | Execute,
+
+ // Used as a wildcard when checking permissions across memory ranges
+ All = 0xFF,
};
constexpr VMAPermission operator|(VMAPermission lhs, VMAPermission rhs) {
@@ -152,6 +155,9 @@ enum class MemoryState : u32 {
FlagUncached = 1U << 24,
FlagCodeMemory = 1U << 25,
+ // Wildcard used in range checking to indicate all states.
+ All = 0xFFFFFFFF,
+
// Convenience flag sets to reduce repetition
IPCFlags = FlagIPC0 | FlagIPC3 | FlagIPC1,
@@ -415,6 +421,49 @@ public:
///
ResultVal<VAddr> SetHeapSize(u64 size);
+ /// Maps a region of memory as code memory.
+ ///
+ /// @param dst_address The base address of the region to create the aliasing memory region.
+ /// @param src_address The base address of the region to be aliased.
+ /// @param size The total amount of memory to map in bytes.
+ ///
+ /// @pre Both memory regions lie within the actual addressable address space.
+ ///
+ /// @post After this function finishes execution, assuming success, then the address range
+ /// [dst_address, dst_address+size) will alias the memory region,
+ /// [src_address, src_address+size).
+ /// <p>
+ /// What this also entails is as follows:
+ /// 1. The aliased region gains the Locked memory attribute.
+ /// 2. The aliased region becomes read-only.
+ /// 3. The aliasing region becomes read-only.
+ /// 4. The aliasing region is created with a memory state of MemoryState::CodeModule.
+ ///
+ ResultCode MapCodeMemory(VAddr dst_address, VAddr src_address, u64 size);
+
+ /// Unmaps a region of memory designated as code module memory.
+ ///
+ /// @param dst_address The base address of the memory region aliasing the source memory region.
+ /// @param src_address The base address of the memory region being aliased.
+ /// @param size The size of the memory region to unmap in bytes.
+ ///
+ /// @pre Both memory ranges lie within the actual addressable address space.
+ ///
+ /// @pre The memory region being unmapped has been previously been mapped
+ /// by a call to MapCodeMemory.
+ ///
+ /// @post After execution of the function, if successful. the aliasing memory region
+ /// will be unmapped and the aliased region will have various traits about it
+ /// restored to what they were prior to the original mapping call preceding
+ /// this function call.
+ /// <p>
+ /// What this also entails is as follows:
+ /// 1. The state of the memory region will now indicate a general heap region.
+ /// 2. All memory attributes for the memory region are cleared.
+ /// 3. Memory permissions for the region are restored to user read/write.
+ ///
+ ResultCode UnmapCodeMemory(VAddr dst_address, VAddr src_address, u64 size);
+
/// Queries the memory manager for information about the given address.
///
/// @param address The address to query the memory manager about for information.
diff --git a/src/core/hle/kernel/wait_object.cpp b/src/core/hle/kernel/wait_object.cpp
index 90580ed93..c8eaf9488 100644
--- a/src/core/hle/kernel/wait_object.cpp
+++ b/src/core/hle/kernel/wait_object.cpp
@@ -30,7 +30,7 @@ void WaitObject::RemoveWaitingThread(Thread* thread) {
waiting_threads.erase(itr);
}
-SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() {
+SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
Thread* candidate = nullptr;
u32 candidate_priority = THREADPRIO_LOWEST + 1;
diff --git a/src/core/hle/kernel/wait_object.h b/src/core/hle/kernel/wait_object.h
index 04464a51a..3271a30a7 100644
--- a/src/core/hle/kernel/wait_object.h
+++ b/src/core/hle/kernel/wait_object.h
@@ -54,7 +54,7 @@ public:
void WakeupWaitingThread(SharedPtr<Thread> thread);
/// Obtains the highest priority thread that is ready to run from this object's waiting list.
- SharedPtr<Thread> GetHighestPriorityReadyThread();
+ SharedPtr<Thread> GetHighestPriorityReadyThread() const;
/// Get a const reference to the waiting threads list for debug use
const std::vector<SharedPtr<Thread>>& GetWaitingThreads() const;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-09 18:29:05 +0000