diff options
Diffstat (limited to 'src/core/hle/kernel/svc_generator.py')
| -rw-r--r-- | src/core/hle/kernel/svc_generator.py | 716 |
1 files changed, 716 insertions, 0 deletions
diff --git a/src/core/hle/kernel/svc_generator.py b/src/core/hle/kernel/svc_generator.py new file mode 100644 index 000000000..b0a5707ec --- /dev/null +++ b/src/core/hle/kernel/svc_generator.py @@ -0,0 +1,716 @@ +# SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +# SPDX-License-Identifier: GPL-2.0-or-later + +# Raw SVC definitions from the kernel. +# +# Avoid modifying the prototypes; see below for how to customize generation +# for a given typename. +SVCS = [ + [0x01, "Result SetHeapSize(Address* out_address, Size size);"], + [0x02, "Result SetMemoryPermission(Address address, Size size, MemoryPermission perm);"], + [0x03, "Result SetMemoryAttribute(Address address, Size size, uint32_t mask, uint32_t attr);"], + [0x04, "Result MapMemory(Address dst_address, Address src_address, Size size);"], + [0x05, "Result UnmapMemory(Address dst_address, Address src_address, Size size);"], + [0x06, "Result QueryMemory(Address out_memory_info, PageInfo* out_page_info, Address address);"], + [0x07, "void ExitProcess();"], + [0x08, "Result CreateThread(Handle* out_handle, ThreadFunc func, Address arg, Address stack_bottom, int32_t priority, int32_t core_id);"], + [0x09, "Result StartThread(Handle thread_handle);"], + [0x0A, "void ExitThread();"], + [0x0B, "void SleepThread(int64_t ns);"], + [0x0C, "Result GetThreadPriority(int32_t* out_priority, Handle thread_handle);"], + [0x0D, "Result SetThreadPriority(Handle thread_handle, int32_t priority);"], + [0x0E, "Result GetThreadCoreMask(int32_t* out_core_id, uint64_t* out_affinity_mask, Handle thread_handle);"], + [0x0F, "Result SetThreadCoreMask(Handle thread_handle, int32_t core_id, uint64_t affinity_mask);"], + [0x10, "int32_t GetCurrentProcessorNumber();"], + [0x11, "Result SignalEvent(Handle event_handle);"], + [0x12, "Result ClearEvent(Handle event_handle);"], + [0x13, "Result MapSharedMemory(Handle shmem_handle, Address address, Size size, MemoryPermission map_perm);"], + [0x14, "Result UnmapSharedMemory(Handle shmem_handle, Address address, Size size);"], + [0x15, "Result CreateTransferMemory(Handle* out_handle, Address address, Size size, MemoryPermission map_perm);"], + [0x16, "Result CloseHandle(Handle handle);"], + [0x17, "Result ResetSignal(Handle handle);"], + [0x18, "Result WaitSynchronization(int32_t* out_index, Address handles, int32_t num_handles, int64_t timeout_ns);"], + [0x19, "Result CancelSynchronization(Handle handle);"], + [0x1A, "Result ArbitrateLock(Handle thread_handle, Address address, uint32_t tag);"], + [0x1B, "Result ArbitrateUnlock(Address address);"], + [0x1C, "Result WaitProcessWideKeyAtomic(Address address, Address cv_key, uint32_t tag, int64_t timeout_ns);"], + [0x1D, "void SignalProcessWideKey(Address cv_key, int32_t count);"], + [0x1E, "int64_t GetSystemTick();"], + [0x1F, "Result ConnectToNamedPort(Handle* out_handle, Address name);"], + [0x20, "Result SendSyncRequestLight(Handle session_handle);"], + [0x21, "Result SendSyncRequest(Handle session_handle);"], + [0x22, "Result SendSyncRequestWithUserBuffer(Address message_buffer, Size message_buffer_size, Handle session_handle);"], + [0x23, "Result SendAsyncRequestWithUserBuffer(Handle* out_event_handle, Address message_buffer, Size message_buffer_size, Handle session_handle);"], + [0x24, "Result GetProcessId(uint64_t* out_process_id, Handle process_handle);"], + [0x25, "Result GetThreadId(uint64_t* out_thread_id, Handle thread_handle);"], + [0x26, "void Break(BreakReason break_reason, Address arg, Size size);"], + [0x27, "Result OutputDebugString(Address debug_str, Size len);"], + [0x28, "void ReturnFromException(Result result);"], + [0x29, "Result GetInfo(uint64_t* out, InfoType info_type, Handle handle, uint64_t info_subtype);"], + [0x2A, "void FlushEntireDataCache();"], + [0x2B, "Result FlushDataCache(Address address, Size size);"], + [0x2C, "Result MapPhysicalMemory(Address address, Size size);"], + [0x2D, "Result UnmapPhysicalMemory(Address address, Size size);"], + [0x2E, "Result GetDebugFutureThreadInfo(LastThreadContext* out_context, uint64_t* out_thread_id, Handle debug_handle, int64_t ns);"], + [0x2F, "Result GetLastThreadInfo(LastThreadContext* out_context, Address* out_tls_address, uint32_t* out_flags);"], + [0x30, "Result GetResourceLimitLimitValue(int64_t* out_limit_value, Handle resource_limit_handle, LimitableResource which);"], + [0x31, "Result GetResourceLimitCurrentValue(int64_t* out_current_value, Handle resource_limit_handle, LimitableResource which);"], + [0x32, "Result SetThreadActivity(Handle thread_handle, ThreadActivity thread_activity);"], + [0x33, "Result GetThreadContext3(Address out_context, Handle thread_handle);"], + [0x34, "Result WaitForAddress(Address address, ArbitrationType arb_type, int32_t value, int64_t timeout_ns);"], + [0x35, "Result SignalToAddress(Address address, SignalType signal_type, int32_t value, int32_t count);"], + [0x36, "void SynchronizePreemptionState();"], + [0x37, "Result GetResourceLimitPeakValue(int64_t* out_peak_value, Handle resource_limit_handle, LimitableResource which);"], + + [0x39, "Result CreateIoPool(Handle* out_handle, IoPoolType which);"], + [0x3A, "Result CreateIoRegion(Handle* out_handle, Handle io_pool, PhysicalAddress physical_address, Size size, MemoryMapping mapping, MemoryPermission perm);"], + + [0x3C, "void KernelDebug(KernelDebugType kern_debug_type, uint64_t arg0, uint64_t arg1, uint64_t arg2);"], + [0x3D, "void ChangeKernelTraceState(KernelTraceState kern_trace_state);"], + + [0x40, "Result CreateSession(Handle* out_server_session_handle, Handle* out_client_session_handle, bool is_light, Address name);"], + [0x41, "Result AcceptSession(Handle* out_handle, Handle port);"], + [0x42, "Result ReplyAndReceiveLight(Handle handle);"], + [0x43, "Result ReplyAndReceive(int32_t* out_index, Address handles, int32_t num_handles, Handle reply_target, int64_t timeout_ns);"], + [0x44, "Result ReplyAndReceiveWithUserBuffer(int32_t* out_index, Address message_buffer, Size message_buffer_size, Address handles, int32_t num_handles, Handle reply_target, int64_t timeout_ns);"], + [0x45, "Result CreateEvent(Handle* out_write_handle, Handle* out_read_handle);"], + [0x46, "Result MapIoRegion(Handle io_region, Address address, Size size, MemoryPermission perm);"], + [0x47, "Result UnmapIoRegion(Handle io_region, Address address, Size size);"], + [0x48, "Result MapPhysicalMemoryUnsafe(Address address, Size size);"], + [0x49, "Result UnmapPhysicalMemoryUnsafe(Address address, Size size);"], + [0x4A, "Result SetUnsafeLimit(Size limit);"], + [0x4B, "Result CreateCodeMemory(Handle* out_handle, Address address, Size size);"], + [0x4C, "Result ControlCodeMemory(Handle code_memory_handle, CodeMemoryOperation operation, uint64_t address, uint64_t size, MemoryPermission perm);"], + [0x4D, "void SleepSystem();"], + [0x4E, "Result ReadWriteRegister(uint32_t* out_value, PhysicalAddress address, uint32_t mask, uint32_t value);"], + [0x4F, "Result SetProcessActivity(Handle process_handle, ProcessActivity process_activity);"], + [0x50, "Result CreateSharedMemory(Handle* out_handle, Size size, MemoryPermission owner_perm, MemoryPermission remote_perm);"], + [0x51, "Result MapTransferMemory(Handle trmem_handle, Address address, Size size, MemoryPermission owner_perm);"], + [0x52, "Result UnmapTransferMemory(Handle trmem_handle, Address address, Size size);"], + [0x53, "Result CreateInterruptEvent(Handle* out_read_handle, int32_t interrupt_id, InterruptType interrupt_type);"], + [0x54, "Result QueryPhysicalAddress(PhysicalMemoryInfo* out_info, Address address);"], + [0x55, "Result QueryIoMapping(Address* out_address, Size* out_size, PhysicalAddress physical_address, Size size);"], + [0x56, "Result CreateDeviceAddressSpace(Handle* out_handle, uint64_t das_address, uint64_t das_size);"], + [0x57, "Result AttachDeviceAddressSpace(DeviceName device_name, Handle das_handle);"], + [0x58, "Result DetachDeviceAddressSpace(DeviceName device_name, Handle das_handle);"], + [0x59, "Result MapDeviceAddressSpaceByForce(Handle das_handle, Handle process_handle, uint64_t process_address, Size size, uint64_t device_address, uint32_t option);"], + [0x5A, "Result MapDeviceAddressSpaceAligned(Handle das_handle, Handle process_handle, uint64_t process_address, Size size, uint64_t device_address, uint32_t option);"], + [0x5C, "Result UnmapDeviceAddressSpace(Handle das_handle, Handle process_handle, uint64_t process_address, Size size, uint64_t device_address);"], + [0x5D, "Result InvalidateProcessDataCache(Handle process_handle, uint64_t address, uint64_t size);"], + [0x5E, "Result StoreProcessDataCache(Handle process_handle, uint64_t address, uint64_t size);"], + [0x5F, "Result FlushProcessDataCache(Handle process_handle, uint64_t address, uint64_t size);"], + [0x60, "Result DebugActiveProcess(Handle* out_handle, uint64_t process_id);"], + [0x61, "Result BreakDebugProcess(Handle debug_handle);"], + [0x62, "Result TerminateDebugProcess(Handle debug_handle);"], + [0x63, "Result GetDebugEvent(Address out_info, Handle debug_handle);"], + [0x64, "Result ContinueDebugEvent(Handle debug_handle, uint32_t flags, Address thread_ids, int32_t num_thread_ids);"], + [0x65, "Result GetProcessList(int32_t* out_num_processes, Address out_process_ids, int32_t max_out_count);"], + [0x66, "Result GetThreadList(int32_t* out_num_threads, Address out_thread_ids, int32_t max_out_count, Handle debug_handle);"], + [0x67, "Result GetDebugThreadContext(Address out_context, Handle debug_handle, uint64_t thread_id, uint32_t context_flags);"], + [0x68, "Result SetDebugThreadContext(Handle debug_handle, uint64_t thread_id, Address context, uint32_t context_flags);"], + [0x69, "Result QueryDebugProcessMemory(Address out_memory_info, PageInfo* out_page_info, Handle process_handle, Address address);"], + [0x6A, "Result ReadDebugProcessMemory(Address buffer, Handle debug_handle, Address address, Size size);"], + [0x6B, "Result WriteDebugProcessMemory(Handle debug_handle, Address buffer, Address address, Size size);"], + [0x6C, "Result SetHardwareBreakPoint(HardwareBreakPointRegisterName name, uint64_t flags, uint64_t value);"], + [0x6D, "Result GetDebugThreadParam(uint64_t* out_64, uint32_t* out_32, Handle debug_handle, uint64_t thread_id, DebugThreadParam param);"], + + [0x6F, "Result GetSystemInfo(uint64_t* out, SystemInfoType info_type, Handle handle, uint64_t info_subtype);"], + [0x70, "Result CreatePort(Handle* out_server_handle, Handle* out_client_handle, int32_t max_sessions, bool is_light, Address name);"], + [0x71, "Result ManageNamedPort(Handle* out_server_handle, Address name, int32_t max_sessions);"], + [0x72, "Result ConnectToPort(Handle* out_handle, Handle port);"], + [0x73, "Result SetProcessMemoryPermission(Handle process_handle, uint64_t address, uint64_t size, MemoryPermission perm);"], + [0x74, "Result MapProcessMemory(Address dst_address, Handle process_handle, uint64_t src_address, Size size);"], + [0x75, "Result UnmapProcessMemory(Address dst_address, Handle process_handle, uint64_t src_address, Size size);"], + [0x76, "Result QueryProcessMemory(Address out_memory_info, PageInfo* out_page_info, Handle process_handle, uint64_t address);"], + [0x77, "Result MapProcessCodeMemory(Handle process_handle, uint64_t dst_address, uint64_t src_address, uint64_t size);"], + [0x78, "Result UnmapProcessCodeMemory(Handle process_handle, uint64_t dst_address, uint64_t src_address, uint64_t size);"], + [0x79, "Result CreateProcess(Handle* out_handle, Address parameters, Address caps, int32_t num_caps);"], + [0x7A, "Result StartProcess(Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size);"], + [0x7B, "Result TerminateProcess(Handle process_handle);"], + [0x7C, "Result GetProcessInfo(int64_t* out_info, Handle process_handle, ProcessInfoType info_type);"], + [0x7D, "Result CreateResourceLimit(Handle* out_handle);"], + [0x7E, "Result SetResourceLimitLimitValue(Handle resource_limit_handle, LimitableResource which, int64_t limit_value);"], + [0x7F, "void CallSecureMonitor(SecureMonitorArguments args);"], + + [0x90, "Result MapInsecureMemory(Address address, Size size);"], + [0x91, "Result UnmapInsecureMemory(Address address, Size size);"], +] + +# These use a custom ABI, and therefore require custom wrappers +SKIP_WRAPPERS = { + 0x20: "SendSyncRequestLight", + 0x42: "ReplyAndReceiveLight", + 0x7F: "CallSecureMonitor", +} + +BIT_32 = 0 +BIT_64 = 1 + +REG_SIZES = [4, 8] +SUFFIX_NAMES = ["64From32", "64"] +TYPE_SIZES = { + # SVC types + "ArbitrationType": 4, + "BreakReason": 4, + "CodeMemoryOperation": 4, + "DebugThreadParam": 4, + "DeviceName": 4, + "HardwareBreakPointRegisterName": 4, + "Handle": 4, + "InfoType": 4, + "InterruptType": 4, + "IoPoolType": 4, + "KernelDebugType": 4, + "KernelTraceState": 4, + "LimitableResource": 4, + "MemoryMapping": 4, + "MemoryPermission": 4, + "PageInfo": 4, + "ProcessActivity": 4, + "ProcessInfoType": 4, + "Result": 4, + "SignalType": 4, + "SystemInfoType": 4, + "ThreadActivity": 4, + + # Arch-specific types + "ilp32::LastThreadContext": 16, + "ilp32::PhysicalMemoryInfo": 16, + "ilp32::SecureMonitorArguments": 32, + "lp64::LastThreadContext": 32, + "lp64::PhysicalMemoryInfo": 24, + "lp64::SecureMonitorArguments": 64, + + # Generic types + "bool": 1, + "int32_t": 4, + "int64_t": 8, + "uint32_t": 4, + "uint64_t": 8, + "void": 0, +} + +TYPE_REPLACEMENTS = { + "Address": ["uint32_t", "uint64_t"], + "LastThreadContext": ["ilp32::LastThreadContext", "lp64::LastThreadContext"], + "PhysicalAddress": ["uint64_t", "uint64_t"], + "PhysicalMemoryInfo": ["ilp32::PhysicalMemoryInfo", "lp64::PhysicalMemoryInfo"], + "SecureMonitorArguments": ["ilp32::SecureMonitorArguments", "lp64::SecureMonitorArguments"], + "Size": ["uint32_t", "uint64_t"], + "ThreadFunc": ["uint32_t", "uint64_t"], +} + +# Statically verify that the hardcoded sizes match the intended +# sizes in C++. +def emit_size_check(): + lines = [] + + for type, size in TYPE_SIZES.items(): + if type != "void": + lines.append(f"static_assert(sizeof({type}) == {size});") + + return "\n".join(lines) + + +# Replaces a type with an arch-specific one, if it exists. +def substitute_type(name, bitness): + if name in TYPE_REPLACEMENTS: + return TYPE_REPLACEMENTS[name][bitness] + else: + return name + + +class Argument: + def __init__(self, type_name, var_name, is_output, is_outptr, is_address): + self.type_name = type_name + self.var_name = var_name + self.is_output = is_output + self.is_outptr = is_outptr + self.is_address = is_address + + +# Parses C-style string declarations for SVCs. +def parse_declaration(declaration, bitness): + return_type, rest = declaration.split(" ", 1) + func_name, rest = rest.split("(", 1) + arg_names, rest = rest.split(")", 1) + argument_types = [] + + return_type = substitute_type(return_type, bitness) + assert return_type in TYPE_SIZES, f"Unknown type '{return_type}'" + + if arg_names: + for arg_name in arg_names.split(", "): + type_name, var_name = arg_name.replace("*", "").split(" ", 1) + + # All outputs must contain out_ in the name. + is_output = var_name == "out" or var_name.find("out_") != -1 + + # User-pointer outputs are not written to registers. + is_outptr = is_output and arg_name.find("*") == -1 + + # Special handling is performed for output addresses to avoid awkwardness + # in conversion for the 32-bit equivalents. + is_address = is_output and not is_outptr and \ + type_name in ["Address", "Size"] + type_name = substitute_type(type_name, bitness) + + assert type_name in TYPE_SIZES, f"Unknown type '{type_name}'" + + argument_types.append( + Argument(type_name, var_name, is_output, is_outptr, is_address)) + + return (return_type, func_name, argument_types) + + +class RegisterAllocator: + def __init__(self, num_regs, byte_size, parameter_count): + self.registers = {} + self.num_regs = num_regs + self.byte_size = byte_size + self.parameter_count = parameter_count + + # Mark the given register as allocated, for use in layout + # calculation if the NGRN exceeds the ABI parameter count. + def allocate(self, i): + assert i not in self.registers, f"Register R{i} already allocated" + self.registers[i] = True + return i + + # Calculate the next available location for a register; + # the NGRN has exceeded the ABI parameter count. + def allocate_first_free(self): + for i in range(0, self.num_regs): + if i in self.registers: + continue + + self.allocate(i) + return i + + assert False, "No registers available" + + # Add a single register at the given NGRN. + # If the index exceeds the ABI parameter count, try to find a + # location to add it. Returns the output location and increment. + def add_single(self, ngrn): + if ngrn >= self.parameter_count: + return (self.allocate_first_free(), 0) + else: + return (self.allocate(ngrn), 1) + + # Add registers at the given NGRN for a data type of + # the given size. Returns the output locations and increment. + def add(self, ngrn, data_size, align=True): + if data_size <= self.byte_size: + r, i = self.add_single(ngrn) + return ([r], i) + + regs = [] + inc = ngrn % 2 if align else 0 + remaining_size = data_size + while remaining_size > 0: + r, i = self.add_single(ngrn + inc) + regs.append(r) + inc += i + remaining_size -= self.byte_size + + return (regs, inc) + + +def reg_alloc(bitness): + if bitness == 0: + # aapcs32: 4 4-byte registers + return RegisterAllocator(8, 4, 4) + elif bitness == 1: + # aapcs64: 8 8-byte registers + return RegisterAllocator(8, 8, 8) + + +# Converts a parsed SVC declaration into register lists for +# the return value, outputs, and inputs. +def get_registers(parse_result, bitness): + output_alloc = reg_alloc(bitness) + input_alloc = reg_alloc(bitness) + return_type, _, arguments = parse_result + + return_write = [] + output_writes = [] + input_reads = [] + + input_ngrn = 0 + output_ngrn = 0 + + # Run the input calculation. + for arg in arguments: + if arg.is_output and not arg.is_outptr: + input_ngrn += 1 + continue + + regs, increment = input_alloc.add( + input_ngrn, TYPE_SIZES[arg.type_name], align=True) + input_reads.append([arg.type_name, arg.var_name, regs]) + input_ngrn += increment + + # Include the return value if this SVC returns a value. + if return_type != "void": + regs, increment = output_alloc.add( + output_ngrn, TYPE_SIZES[return_type], align=False) + return_write.append([return_type, regs]) + output_ngrn += increment + + # Run the output calculation. + for arg in arguments: + if not arg.is_output or arg.is_outptr: + continue + + regs, increment = output_alloc.add( + output_ngrn, TYPE_SIZES[arg.type_name], align=False) + output_writes.append( + [arg.type_name, arg.var_name, regs, arg.is_address]) + output_ngrn += increment + + return (return_write, output_writes, input_reads) + + +# Collects possibly multiple source registers into the named C++ value. +def emit_gather(sources, name, type_name, reg_size): + get_fn = f"GetReg{reg_size*8}" + + if len(sources) == 1: + s, = sources + line = f"{name} = Convert<{type_name}>({get_fn}(system, {s}));" + return [line] + + var_type = f"std::array<uint{reg_size*8}_t, {len(sources)}>" + lines = [ + f"{var_type} {name}_gather{{}};" + ] + for i in range(0, len(sources)): + lines.append( + f"{name}_gather[{i}] = {get_fn}(system, {sources[i]});") + + lines.append(f"{name} = Convert<{type_name}>({name}_gather);") + return lines + + +# Produces one or more statements which assign the named C++ value +# into possibly multiple registers. +def emit_scatter(destinations, name, reg_size): + set_fn = f"SetReg{reg_size*8}" + reg_type = f"uint{reg_size*8}_t" + + if len(destinations) == 1: + d, = destinations + line = f"{set_fn}(system, {d}, Convert<{reg_type}>({name}));" + return [line] + + var_type = f"std::array<{reg_type}, {len(destinations)}>" + lines = [ + f"auto {name}_scatter = Convert<{var_type}>({name});" + ] + + for i in range(0, len(destinations)): + lines.append( + f"{set_fn}(system, {destinations[i]}, {name}_scatter[{i}]);") + + return lines + + +def emit_lines(lines, indent=' '): + output_lines = [] + first = True + for line in lines: + if line and not first: + output_lines.append(indent + line) + else: + output_lines.append(line) + first = False + + return "\n".join(output_lines) + + +# Emit a C++ function to wrap a guest SVC. +def emit_wrapper(wrapped_fn, suffix, register_info, arguments, byte_size): + return_write, output_writes, input_reads = register_info + lines = [ + f"static void SvcWrap_{wrapped_fn}{suffix}(Core::System& system) {{" + ] + + # Get everything ready. + for return_type, _ in return_write: + lines.append(f"{return_type} ret{{}};") + if return_write: + lines.append("") + + for output_type, var_name, _, is_address in output_writes: + output_type = "uintptr_t" if is_address else output_type + lines.append(f"{output_type} {var_name}{{}};") + for input_type, var_name, _ in input_reads: + lines.append(f"{input_type} {var_name}{{}};") + + if output_writes or input_reads: + lines.append("") + + for input_type, var_name, sources in input_reads: + lines += emit_gather(sources, var_name, input_type, byte_size) + if input_reads: + lines.append("") + + # Build the call. + call_arguments = ["system"] + for arg in arguments: + if arg.is_output and not arg.is_outptr: + call_arguments.append(f"&{arg.var_name}") + else: + call_arguments.append(arg.var_name) + + line = "" + if return_write: + line += "ret = " + + line += f"{wrapped_fn}{suffix}({', '.join(call_arguments)});" + lines.append(line) + + if return_write or output_writes: + lines.append("") + + # Write back the return value and outputs. + for _, destinations in return_write: + lines += emit_scatter(destinations, "ret", byte_size) + for _, var_name, destinations, _ in output_writes: + lines += emit_scatter(destinations, var_name, byte_size) + + # Finish. + return emit_lines(lines) + "\n}" + + +COPYRIGHT = """\ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +// This file is automatically generated using svc_generator.py. +""" + +PROLOGUE_H = """ +#pragma once + +namespace Core { +class System; +} + +#include "common/common_types.h" +#include "core/hle/kernel/svc_types.h" +#include "core/hle/result.h" + +namespace Kernel::Svc { + +// clang-format off +""" + +EPILOGUE_H = """ +// clang-format on + +// Custom ABI. +Result ReplyAndReceiveLight(Core::System& system, Handle handle, uint32_t* args); +Result ReplyAndReceiveLight64From32(Core::System& system, Handle handle, uint32_t* args); +Result ReplyAndReceiveLight64(Core::System& system, Handle handle, uint32_t* args); + +Result SendSyncRequestLight(Core::System& system, Handle session_handle, uint32_t* args); +Result SendSyncRequestLight64From32(Core::System& system, Handle session_handle, uint32_t* args); +Result SendSyncRequestLight64(Core::System& system, Handle session_handle, uint32_t* args); + +void CallSecureMonitor(Core::System& system, lp64::SecureMonitorArguments* args); +void CallSecureMonitor64From32(Core::System& system, ilp32::SecureMonitorArguments* args); +void CallSecureMonitor64(Core::System& system, lp64::SecureMonitorArguments* args); + +// Defined in svc_light_ipc.cpp. +void SvcWrap_ReplyAndReceiveLight64From32(Core::System& system); +void SvcWrap_ReplyAndReceiveLight64(Core::System& system); + +void SvcWrap_SendSyncRequestLight64From32(Core::System& system); +void SvcWrap_SendSyncRequestLight64(Core::System& system); + +// Defined in svc_secure_monitor_call.cpp. +void SvcWrap_CallSecureMonitor64From32(Core::System& system); +void SvcWrap_CallSecureMonitor64(Core::System& system); + +// Perform a supervisor call by index. +void Call(Core::System& system, u32 imm); + +} // namespace Kernel::Svc +""" + +PROLOGUE_CPP = """ +#include <type_traits> + +#include "core/arm/arm_interface.h" +#include "core/core.h" +#include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/svc.h" + +namespace Kernel::Svc { + +static uint32_t GetReg32(Core::System& system, int n) { + return static_cast<uint32_t>(system.CurrentArmInterface().GetReg(n)); +} + +static void SetReg32(Core::System& system, int n, uint32_t result) { + system.CurrentArmInterface().SetReg(n, static_cast<uint64_t>(result)); +} + +static uint64_t GetReg64(Core::System& system, int n) { + return system.CurrentArmInterface().GetReg(n); +} + +static void SetReg64(Core::System& system, int n, uint64_t result) { + system.CurrentArmInterface().SetReg(n, result); +} + +// Like bit_cast, but handles the case when the source and dest +// are differently-sized. +template <typename To, typename From> + requires(std::is_trivial_v<To> && std::is_trivially_copyable_v<From>) +static To Convert(const From& from) { + To to{}; + + if constexpr (sizeof(To) >= sizeof(From)) { + std::memcpy(&to, &from, sizeof(From)); + } else { + std::memcpy(&to, &from, sizeof(To)); + } + + return to; +} + +// clang-format off +""" + +EPILOGUE_CPP = """ +// clang-format on + +void Call(Core::System& system, u32 imm) { + auto& kernel = system.Kernel(); + kernel.EnterSVCProfile(); + + if (system.CurrentProcess()->Is64BitProcess()) { + Call64(system, imm); + } else { + Call32(system, imm); + } + + kernel.ExitSVCProfile(); +} + +} // namespace Kernel::Svc +""" + + +def emit_call(bitness, names, suffix): + bit_size = REG_SIZES[bitness]*8 + indent = " " + lines = [ + f"static void Call{bit_size}(Core::System& system, u32 imm) {{", + f"{indent}switch (static_cast<SvcId>(imm)) {{" + ] + + for _, name in names: + lines.append(f"{indent}case SvcId::{name}:") + lines.append(f"{indent*2}return SvcWrap_{name}{suffix}(system);") + + lines.append(f"{indent}default:") + lines.append( + f"{indent*2}LOG_CRITICAL(Kernel_SVC, \"Unknown SVC {{:x}}!\", imm);") + lines.append(f"{indent*2}break;") + lines.append(f"{indent}}}") + lines.append("}") + + return "\n".join(lines) + + +def build_fn_declaration(return_type, name, arguments): + arg_list = ["Core::System& system"] + for arg in arguments: + type_name = "uintptr_t" if arg.is_address else arg.type_name + pointer = "*" if arg.is_output and not arg.is_outptr else "" + arg_list.append(f"{type_name}{pointer} {arg.var_name}") + + return f"{return_type} {name}({', '.join(arg_list)});" + + +def build_enum_declarations(): + lines = ["enum class SvcId : u32 {"] + indent = " " + + for imm, decl in SVCS: + _, name, _ = parse_declaration(decl, BIT_64) + lines.append(f"{indent}{name} = {hex(imm)},") + + lines.append("};") + return "\n".join(lines) + + +def main(): + arch_fw_declarations = [[], []] + svc_fw_declarations = [] + wrapper_fns = [] + names = [] + + for imm, decl in SVCS: + return_type, name, arguments = parse_declaration(decl, BIT_64) + + if imm not in SKIP_WRAPPERS: + svc_fw_declarations.append( + build_fn_declaration(return_type, name, arguments)) + + names.append([imm, name]) + + for bitness in range(2): + byte_size = REG_SIZES[bitness] + suffix = SUFFIX_NAMES[bitness] + + for imm, decl in SVCS: + if imm in SKIP_WRAPPERS: + continue + + parse_result = parse_declaration(decl, bitness) + return_type, name, arguments = parse_result + + register_info = get_registers(parse_result, bitness) + wrapper_fns.append( + emit_wrapper(name, suffix, register_info, arguments, byte_size)) + arch_fw_declarations[bitness].append( + build_fn_declaration(return_type, name + suffix, arguments)) + + call_32 = emit_call(BIT_32, names, SUFFIX_NAMES[BIT_32]) + call_64 = emit_call(BIT_64, names, SUFFIX_NAMES[BIT_64]) + enum_decls = build_enum_declarations() + + with open("svc.h", "w") as f: + f.write(COPYRIGHT) + f.write(PROLOGUE_H) + f.write("\n".join(svc_fw_declarations)) + f.write("\n\n") + f.write("\n".join(arch_fw_declarations[BIT_32])) + f.write("\n\n") + f.write("\n".join(arch_fw_declarations[BIT_64])) + f.write("\n\n") + f.write(enum_decls) + f.write(EPILOGUE_H) + + with open("svc.cpp", "w") as f: + f.write(COPYRIGHT) + f.write(PROLOGUE_CPP) + f.write(emit_size_check()) + f.write("\n\n") + f.write("\n\n".join(wrapper_fns)) + f.write("\n\n") + f.write(call_32) + f.write("\n\n") + f.write(call_64) + f.write(EPILOGUE_CPP) + + print(f"Done (emitted {len(names)} definitions)") + + +if __name__ == "__main__": + main() |