diff options
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 86 |
1 files changed, 70 insertions, 16 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 348a22904..28268e112 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -254,11 +254,52 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) { return vm_manager.ReprotectRange(addr, size, converted_permissions); } -static ResultCode SetMemoryAttribute(VAddr addr, u64 size, u32 state0, u32 state1) { - LOG_WARNING(Kernel_SVC, - "(STUBBED) called, addr=0x{:X}, size=0x{:X}, state0=0x{:X}, state1=0x{:X}", addr, - size, state0, state1); - return RESULT_SUCCESS; +static ResultCode SetMemoryAttribute(VAddr address, u64 size, u32 mask, u32 attribute) { + LOG_DEBUG(Kernel_SVC, + "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address, + size, mask, attribute); + + if (!Common::Is4KBAligned(address)) { + LOG_ERROR(Kernel_SVC, "Address not page aligned (0x{:016X})", address); + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Common::Is4KBAligned(size)) { + LOG_ERROR(Kernel_SVC, "Invalid size (0x{:X}). Size must be non-zero and page aligned.", + size); + return ERR_INVALID_ADDRESS; + } + + if (!IsValidAddressRange(address, size)) { + LOG_ERROR(Kernel_SVC, "Address range overflowed (Address: 0x{:016X}, Size: 0x{:016X})", + address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + const auto mem_attribute = static_cast<MemoryAttribute>(attribute); + const auto mem_mask = static_cast<MemoryAttribute>(mask); + const auto attribute_with_mask = mem_attribute | mem_mask; + + if (attribute_with_mask != mem_mask) { + LOG_ERROR(Kernel_SVC, + "Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}", + attribute, mask); + return ERR_INVALID_COMBINATION; + } + + if ((attribute_with_mask | MemoryAttribute::Uncached) != MemoryAttribute::Uncached) { + LOG_ERROR(Kernel_SVC, "Specified attribute isn't equal to MemoryAttributeUncached (8)."); + return ERR_INVALID_COMBINATION; + } + + auto& vm_manager = Core::CurrentProcess()->VMManager(); + if (!IsInsideAddressSpace(vm_manager, address, size)) { + LOG_ERROR(Kernel_SVC, + "Given address (0x{:016X}) is outside the bounds of the address space.", address); + return ERR_INVALID_ADDRESS_STATE; + } + + return vm_manager.SetMemoryAttribute(address, size, mem_mask, mem_attribute); } /// Maps a memory range into a different range. @@ -350,7 +391,7 @@ static ResultCode SendSyncRequest(Handle handle) { } /// Get the ID for the specified thread. -static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) { +static ResultCode GetThreadId(u64* thread_id, Handle thread_handle) { LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); @@ -364,20 +405,33 @@ static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) { return RESULT_SUCCESS; } -/// Get the ID of the specified process -static ResultCode GetProcessId(u32* process_id, Handle process_handle) { - LOG_TRACE(Kernel_SVC, "called process=0x{:08X}", process_handle); +/// Gets the ID of the specified process or a specified thread's owning process. +static ResultCode GetProcessId(u64* process_id, Handle handle) { + LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - const SharedPtr<Process> process = handle_table.Get<Process>(process_handle); - if (!process) { - LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}", - process_handle); - return ERR_INVALID_HANDLE; + const SharedPtr<Process> process = handle_table.Get<Process>(handle); + if (process) { + *process_id = process->GetProcessID(); + return RESULT_SUCCESS; } - *process_id = process->GetProcessID(); - return RESULT_SUCCESS; + const SharedPtr<Thread> thread = handle_table.Get<Thread>(handle); + if (thread) { + const Process* const owner_process = thread->GetOwnerProcess(); + if (!owner_process) { + LOG_ERROR(Kernel_SVC, "Non-existent owning process encountered."); + return ERR_INVALID_HANDLE; + } + + *process_id = owner_process->GetProcessID(); + return RESULT_SUCCESS; + } + + // NOTE: This should also handle debug objects before returning. + + LOG_ERROR(Kernel_SVC, "Handle does not exist, handle=0x{:08X}", handle); + return ERR_INVALID_HANDLE; } /// Default thread wakeup callback for WaitSynchronization |