# 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"GetArg{reg_size*8}"
if len(sources) == 1:
s, = sources
line = f"{name} = Convert<{type_name}>({get_fn}(args, {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}(args, {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"SetArg{reg_size*8}"
reg_type = f"uint{reg_size*8}_t"
if len(destinations) == 1:
d, = destinations
line = f"{set_fn}(args, {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}(args, {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, std::span<uint64_t, 8> args) {{"
]
# 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 = "uint64_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"std::addressof({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 <span>
#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, std::span<uint64_t, 8> args);
void SvcWrap_ReplyAndReceiveLight64(Core::System& system, std::span<uint64_t, 8> args);
void SvcWrap_SendSyncRequestLight64From32(Core::System& system, std::span<uint64_t, 8> args);
void SvcWrap_SendSyncRequestLight64(Core::System& system, std::span<uint64_t, 8> args);
// Defined in svc_secure_monitor_call.cpp.
void SvcWrap_CallSecureMonitor64From32(Core::System& system, std::span<uint64_t, 8> args);
void SvcWrap_CallSecureMonitor64(Core::System& system, std::span<uint64_t, 8> args);
// 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 GetArg32(std::span<uint64_t, 8> args, int n) {
return static_cast<uint32_t>(args[n]);
}
static void SetArg32(std::span<uint64_t, 8> args, int n, uint32_t result) {
args[n] = result;
}
static uint64_t GetArg64(std::span<uint64_t, 8> args, int n) {
return args[n];
}
static void SetArg64(std::span<uint64_t, 8> args, int n, uint64_t result) {
args[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(std::addressof(to), std::addressof(from), sizeof(From));
} else {
std::memcpy(std::addressof(to), std::addressof(from), sizeof(To));
}
return to;
}
// clang-format off
"""
EPILOGUE_CPP = """
// clang-format on
void Call(Core::System& system, u32 imm) {
auto& kernel = system.Kernel();
auto& process = GetCurrentProcess(kernel);
std::array<uint64_t, 8> args;
kernel.CurrentPhysicalCore().SaveSvcArguments(process, args);
kernel.EnterSVCProfile();
if (process.Is64Bit()) {
Call64(system, imm, args);
} else {
Call32(system, imm, args);
}
kernel.ExitSVCProfile();
kernel.CurrentPhysicalCore().LoadSvcArguments(process, args);
}
} // 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, std::span<uint64_t, 8> args) {{",
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, args);")
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 = "uint64_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()
