yuzu/src/core/hle/kernel/svc.cpp

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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
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#include <algorithm>
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#include <cinttypes>
#include <iterator>
#include <mutex>
#include <vector>
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#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/fiber.h"
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#include "common/logging/log.h"
#include "common/microprofile.h"
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#include "common/string_util.h"
#include "core/arm/exclusive_monitor.h"
#include "core/core.h"
#include "core/core_timing.h"
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#include "core/core_timing_util.h"
#include "core/cpu_manager.h"
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#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/k_address_arbiter.h"
#include "core/hle/kernel/k_condition_variable.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/memory/memory_layout.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/readable_event.h"
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#include "core/hle/kernel/resource_limit.h"
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#include "core/hle/kernel/shared_memory.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"
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#include "core/hle/kernel/time_manager.h"
#include "core/hle/kernel/transfer_memory.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/lock.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
#include "core/memory.h"
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#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.
ResultCode MapUnmapMemorySanityChecks(const Memory::PageTable& manager, VAddr dst_addr,
VAddr src_addr, u64 size) {
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if (!Common::Is4KBAligned(dst_addr)) {
LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
return ERR_INVALID_ADDRESS;
}
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if (!Common::Is4KBAligned(src_addr)) {
LOG_ERROR(Kernel_SVC, "Source address is not aligned to 4KB, 0x{:016X}", src_addr);
return ERR_INVALID_SIZE;
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}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is 0");
return ERR_INVALID_SIZE;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:016X}", size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(dst_addr, size)) {
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LOG_ERROR(Kernel_SVC,
"Destination is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
dst_addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!IsValidAddressRange(src_addr, size)) {
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LOG_ERROR(Kernel_SVC, "Source is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
src_addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!manager.IsInsideAddressSpace(src_addr, size)) {
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LOG_ERROR(Kernel_SVC,
"Source is not within the address space, addr=0x{:016X}, size=0x{:016X}",
src_addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (manager.IsOutsideStackRegion(dst_addr, size)) {
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LOG_ERROR(Kernel_SVC,
"Destination is not within the stack region, addr=0x{:016X}, size=0x{:016X}",
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dst_addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
if (manager.IsInsideHeapRegion(dst_addr, size)) {
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LOG_ERROR(Kernel_SVC,
"Destination does not fit within the heap region, addr=0x{:016X}, "
"size=0x{:016X}",
dst_addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
if (manager.IsInsideAliasRegion(dst_addr, size)) {
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LOG_ERROR(Kernel_SVC,
"Destination does not fit within the map region, addr=0x{:016X}, "
"size=0x{:016X}",
dst_addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
return RESULT_SUCCESS;
}
enum class ResourceLimitValueType {
CurrentValue,
LimitValue,
};
ResultVal<s64> RetrieveResourceLimitValue(Core::System& system, Handle resource_limit,
u32 resource_type, ResourceLimitValueType value_type) {
std::lock_guard lock{HLE::g_hle_lock};
const auto type = static_cast<ResourceType>(resource_type);
if (!IsValidResourceType(type)) {
LOG_ERROR(Kernel_SVC, "Invalid resource limit type: '{}'", resource_type);
return ERR_INVALID_ENUM_VALUE;
}
const auto* const current_process = system.Kernel().CurrentProcess();
ASSERT(current_process != nullptr);
const auto resource_limit_object =
current_process->GetHandleTable().Get<ResourceLimit>(resource_limit);
if (!resource_limit_object) {
LOG_ERROR(Kernel_SVC, "Handle to non-existent resource limit instance used. Handle={:08X}",
resource_limit);
return ERR_INVALID_HANDLE;
}
if (value_type == ResourceLimitValueType::CurrentValue) {
return MakeResult(resource_limit_object->GetCurrentResourceValue(type));
}
return MakeResult(resource_limit_object->GetMaxResourceValue(type));
}
} // Anonymous namespace
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/// Set the process heap to a given Size. It can both extend and shrink the heap.
static ResultCode SetHeapSize(Core::System& system, VAddr* heap_addr, u64 heap_size) {
std::lock_guard lock{HLE::g_hle_lock};
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LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", heap_size);
// Size must be a multiple of 0x200000 (2MB) and be equal to or less than 8GB.
if ((heap_size % 0x200000) != 0) {
LOG_ERROR(Kernel_SVC, "The heap size is not a multiple of 2MB, heap_size=0x{:016X}",
heap_size);
return ERR_INVALID_SIZE;
}
if (heap_size >= 0x200000000) {
LOG_ERROR(Kernel_SVC, "The heap size is not less than 8GB, heap_size=0x{:016X}", heap_size);
return ERR_INVALID_SIZE;
}
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
CASCADE_RESULT(*heap_addr, page_table.SetHeapSize(heap_size));
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return RESULT_SUCCESS;
}
static ResultCode SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
VAddr temp_heap_addr{};
const ResultCode result{SetHeapSize(system, &temp_heap_addr, heap_size)};
*heap_addr = static_cast<u32>(temp_heap_addr);
return result;
}
static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
u32 attribute) {
std::lock_guard lock{HLE::g_hle_lock};
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 attributes{static_cast<Memory::MemoryAttribute>(mask | attribute)};
if (attributes != static_cast<Memory::MemoryAttribute>(mask) ||
(attributes | Memory::MemoryAttribute::Uncached) != Memory::MemoryAttribute::Uncached) {
LOG_ERROR(Kernel_SVC,
"Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}",
attribute, mask);
return ERR_INVALID_COMBINATION;
}
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
return page_table.SetMemoryAttribute(address, size, static_cast<Memory::MemoryAttribute>(mask),
static_cast<Memory::MemoryAttribute>(attribute));
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}
static ResultCode SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
u32 attribute) {
return SetMemoryAttribute(system, address, size, mask, attribute);
}
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/// Maps a memory range into a different range.
static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
std::lock_guard lock{HLE::g_hle_lock};
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LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
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src_addr, size);
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
result.IsError()) {
return result;
}
return page_table.Map(dst_addr, src_addr, size);
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}
static ResultCode MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
return MapMemory(system, dst_addr, src_addr, size);
}
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/// Unmaps a region that was previously mapped with svcMapMemory
static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
std::lock_guard lock{HLE::g_hle_lock};
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LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
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src_addr, size);
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
result.IsError()) {
return result;
}
return page_table.Unmap(dst_addr, src_addr, size);
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}
static ResultCode UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
return UnmapMemory(system, dst_addr, src_addr, size);
}
/// Connect to an OS service given the port name, returns the handle to the port to out
static ResultCode ConnectToNamedPort(Core::System& system, Handle* out_handle,
VAddr port_name_address) {
std::lock_guard lock{HLE::g_hle_lock};
auto& memory = system.Memory();
if (!memory.IsValidVirtualAddress(port_name_address)) {
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LOG_ERROR(Kernel_SVC,
"Port Name Address is not a valid virtual address, port_name_address=0x{:016X}",
port_name_address);
return ERR_NOT_FOUND;
}
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) {
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LOG_ERROR(Kernel_SVC, "Port name is too long, expected {} but got {}", PortNameMaxLength,
port_name.size());
return ERR_OUT_OF_RANGE;
}
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LOG_TRACE(Kernel_SVC, "called port_name={}", port_name);
auto& kernel = system.Kernel();
const auto it = kernel.FindNamedPort(port_name);
if (!kernel.IsValidNamedPort(it)) {
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LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: {}", port_name);
return ERR_NOT_FOUND;
}
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Sessions, 1));
auto client_port = it->second;
std::shared_ptr<ClientSession> client_session;
CASCADE_RESULT(client_session, client_port->Connect());
// Return the client session
auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
CASCADE_RESULT(*out_handle, handle_table.Create(client_session));
return RESULT_SUCCESS;
}
static ResultCode ConnectToNamedPort32(Core::System& system, Handle* out_handle,
u32 port_name_address) {
return ConnectToNamedPort(system, out_handle, port_name_address);
}
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/// Makes a blocking IPC call to an OS service.
static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
auto& kernel = system.Kernel();
const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
std::shared_ptr<ClientSession> session = handle_table.Get<ClientSession>(handle);
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if (!session) {
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LOG_ERROR(Kernel_SVC, "called with invalid handle=0x{:08X}", handle);
return ERR_INVALID_HANDLE;
}
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LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
auto thread = kernel.CurrentScheduler()->GetCurrentThread();
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{
KScopedSchedulerLock lock(kernel);
thread->SetState(ThreadState::Waiting);
thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
session->SendSyncRequest(SharedFrom(thread), system.Memory(), system.CoreTiming());
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}
KSynchronizationObject* dummy{};
return thread->GetWaitResult(std::addressof(dummy));
}
static ResultCode SendSyncRequest32(Core::System& system, Handle handle) {
return SendSyncRequest(system, handle);
}
/// Get the ID for the specified thread.
static ResultCode GetThreadId(Core::System& system, u64* out_thread_id, Handle thread_handle) {
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LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
// Get the thread's id.
*out_thread_id = thread->GetThreadID();
return RESULT_SUCCESS;
}
static ResultCode GetThreadId32(Core::System& system, u32* out_thread_id_low,
u32* out_thread_id_high, Handle thread_handle) {
u64 out_thread_id{};
const ResultCode 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 ResultCode GetProcessId(Core::System& system, u64* process_id, Handle handle) {
LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle);
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<Process> process = handle_table.Get<Process>(handle);
if (process) {
*process_id = process->GetProcessID();
return RESULT_SUCCESS;
}
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(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;
}
static ResultCode GetProcessId32(Core::System& system, u32* process_id_low, u32* process_id_high,
Handle handle) {
u64 process_id{};
const auto result = GetProcessId(system, &process_id, handle);
*process_id_low = static_cast<u32>(process_id);
*process_id_high = static_cast<u32>(process_id >> 32);
return result;
}
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr handles_address,
u64 handle_count, s64 nano_seconds) {
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LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, handle_count={}, nano_seconds={}",
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handles_address, handle_count, nano_seconds);
auto& memory = system.Memory();
if (!memory.IsValidVirtualAddress(handles_address)) {
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LOG_ERROR(Kernel_SVC,
"Handle address is not a valid virtual address, handle_address=0x{:016X}",
handles_address);
return ERR_INVALID_POINTER;
}
static constexpr u64 MaxHandles = 0x40;
if (handle_count > MaxHandles) {
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LOG_ERROR(Kernel_SVC, "Handle count specified is too large, expected {} but got {}",
MaxHandles, handle_count);
return ERR_OUT_OF_RANGE;
}
auto& kernel = system.Kernel();
std::vector<KSynchronizationObject*> objects(handle_count);
const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
for (u64 i = 0; i < handle_count; ++i) {
const Handle handle = memory.Read32(handles_address + i * sizeof(Handle));
const auto object = handle_table.Get<KSynchronizationObject>(handle);
if (object == nullptr) {
LOG_ERROR(Kernel_SVC, "Object is a nullptr");
return ERR_INVALID_HANDLE;
}
objects[i] = object.get();
}
return KSynchronizationObject::Wait(kernel, index, objects.data(),
static_cast<s32>(objects.size()), nano_seconds);
}
static ResultCode WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address,
s32 handle_count, u32 timeout_high, s32* index) {
const s64 nano_seconds{(static_cast<s64>(timeout_high) << 32) | static_cast<s64>(timeout_low)};
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return WaitSynchronization(system, index, handles_address, handle_count, nano_seconds);
}
/// Resumes a thread waiting on WaitSynchronization
static ResultCode CancelSynchronization(Core::System& system, Handle thread_handle) {
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LOG_TRACE(Kernel_SVC, "called thread=0x{:X}", thread_handle);
// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
std::shared_ptr<KThread> thread = handle_table.Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
// Cancel the thread's wait.
thread->WaitCancel();
return RESULT_SUCCESS;
}
static ResultCode CancelSynchronization32(Core::System& system, Handle thread_handle) {
return CancelSynchronization(system, thread_handle);
}
/// Attempts to locks a mutex
static ResultCode 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);
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// Validate the input address.
R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory);
R_UNLESS(Common::IsAligned(address, sizeof(u32)), Svc::ResultInvalidAddress);
return system.Kernel().CurrentProcess()->WaitForAddress(thread_handle, address, tag);
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}
static ResultCode ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address,
u32 tag) {
return ArbitrateLock(system, thread_handle, address, tag);
}
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/// Unlock a mutex
static ResultCode ArbitrateUnlock(Core::System& system, VAddr address) {
LOG_TRACE(Kernel_SVC, "called address=0x{:X}", address);
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// Validate the input address.
R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory);
R_UNLESS(Common::IsAligned(address, sizeof(u32)), Svc::ResultInvalidAddress);
return system.Kernel().CurrentProcess()->SignalToAddress(address);
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}
static ResultCode ArbitrateUnlock32(Core::System& system, u32 address) {
return ArbitrateUnlock(system, address);
}
enum class BreakType : u32 {
Panic = 0,
AssertionFailed = 1,
PreNROLoad = 3,
PostNROLoad = 4,
PreNROUnload = 5,
PostNROUnload = 6,
CppException = 7,
};
struct BreakReason {
union {
u32 raw;
BitField<0, 30, BreakType> break_type;
BitField<31, 1, u32> signal_debugger;
};
};
/// Break program execution
static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
BreakReason break_reason{reason};
bool has_dumped_buffer{};
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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
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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.break_type) {
case BreakType::Panic:
LOG_CRITICAL(Debug_Emulated, "Signalling debugger, PANIC! info1=0x{:016X}, info2=0x{:016X}",
info1, info2);
handle_debug_buffer(info1, info2);
break;
case BreakType::AssertionFailed:
LOG_CRITICAL(Debug_Emulated,
"Signalling debugger, Assertion failed! info1=0x{:016X}, info2=0x{:016X}",
info1, info2);
handle_debug_buffer(info1, info2);
break;
case BreakType::PreNROLoad:
LOG_WARNING(
Debug_Emulated,
"Signalling debugger, Attempting to load an NRO at 0x{:016X} with size 0x{:016X}",
info1, info2);
break;
case BreakType::PostNROLoad:
LOG_WARNING(Debug_Emulated,
"Signalling debugger, Loaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
info2);
break;
case BreakType::PreNROUnload:
LOG_WARNING(
Debug_Emulated,
"Signalling debugger, Attempting to unload an NRO at 0x{:016X} with size 0x{:016X}",
info1, info2);
break;
case BreakType::PostNROUnload:
LOG_WARNING(Debug_Emulated,
"Signalling debugger, Unloaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
info2);
break;
case BreakType::CppException:
LOG_CRITICAL(Debug_Emulated, "Signalling debugger. Uncaught C++ exception encountered.");
break;
default:
LOG_WARNING(
Debug_Emulated,
"Signalling debugger, Unknown break reason {}, info1=0x{:016X}, info2=0x{:016X}",
static_cast<u32>(break_reason.break_type.Value()), info1, info2);
handle_debug_buffer(info1, info2);
break;
}
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system.GetReporter().SaveSvcBreakReport(
static_cast<u32>(break_reason.break_type.Value()), break_reason.signal_debugger, info1,
info2, has_dumped_buffer ? std::make_optional(debug_buffer) : std::nullopt);
if (!break_reason.signal_debugger) {
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 = system.Kernel().CurrentScheduler()->GetCurrentThread();
const auto thread_processor_id = current_thread->GetActiveCore();
system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
}
}
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());
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LOG_DEBUG(Debug_Emulated, "{}", str);
}
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/// Gets system/memory information for the current process
static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 handle,
u64 info_sub_id) {
std::lock_guard lock{HLE::g_hle_lock};
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LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
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info_sub_id, handle);
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enum class GetInfoType : u64 {
// 1.0.0+
AllowedCPUCoreMask = 0,
AllowedThreadPriorityMask = 1,
MapRegionBaseAddr = 2,
MapRegionSize = 3,
HeapRegionBaseAddr = 4,
HeapRegionSize = 5,
TotalPhysicalMemoryAvailable = 6,
TotalPhysicalMemoryUsed = 7,
IsCurrentProcessBeingDebugged = 8,
RegisterResourceLimit = 9,
IdleTickCount = 10,
RandomEntropy = 11,
ThreadTickCount = 0xF0000002,
// 2.0.0+
ASLRRegionBaseAddr = 12,
ASLRRegionSize = 13,
StackRegionBaseAddr = 14,
StackRegionSize = 15,
// 3.0.0+
SystemResourceSize = 16,
SystemResourceUsage = 17,
TitleId = 18,
// 4.0.0+
PrivilegedProcessId = 19,
// 5.0.0+
UserExceptionContextAddr = 20,
// 6.0.0+
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TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
TotalPhysicalMemoryUsedWithoutSystemResource = 22,
};
const auto info_id_type = static_cast<GetInfoType>(info_id);
switch (info_id_type) {
case GetInfoType::AllowedCPUCoreMask:
case GetInfoType::AllowedThreadPriorityMask:
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case GetInfoType::MapRegionBaseAddr:
case GetInfoType::MapRegionSize:
case GetInfoType::HeapRegionBaseAddr:
case GetInfoType::HeapRegionSize:
case GetInfoType::ASLRRegionBaseAddr:
case GetInfoType::ASLRRegionSize:
case GetInfoType::StackRegionBaseAddr:
case GetInfoType::StackRegionSize:
case GetInfoType::TotalPhysicalMemoryAvailable:
case GetInfoType::TotalPhysicalMemoryUsed:
case GetInfoType::SystemResourceSize:
case GetInfoType::SystemResourceUsage:
case GetInfoType::TitleId:
case GetInfoType::UserExceptionContextAddr:
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case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: {
if (info_sub_id != 0) {
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LOG_ERROR(Kernel_SVC, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
info_sub_id);
return ERR_INVALID_ENUM_VALUE;
}
const auto& current_process_handle_table =
system.Kernel().CurrentProcess()->GetHandleTable();
const auto process = current_process_handle_table.Get<Process>(static_cast<Handle>(handle));
if (!process) {
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LOG_ERROR(Kernel_SVC, "Process is not valid! info_id={}, info_sub_id={}, handle={:08X}",
info_id, info_sub_id, handle);
return ERR_INVALID_HANDLE;
}
switch (info_id_type) {
case GetInfoType::AllowedCPUCoreMask:
*result = process->GetCoreMask();
return RESULT_SUCCESS;
case GetInfoType::AllowedThreadPriorityMask:
*result = process->GetPriorityMask();
return RESULT_SUCCESS;
case GetInfoType::MapRegionBaseAddr:
*result = process->PageTable().GetAliasRegionStart();
return RESULT_SUCCESS;
case GetInfoType::MapRegionSize:
*result = process->PageTable().GetAliasRegionSize();
return RESULT_SUCCESS;
case GetInfoType::HeapRegionBaseAddr:
*result = process->PageTable().GetHeapRegionStart();
return RESULT_SUCCESS;
case GetInfoType::HeapRegionSize:
*result = process->PageTable().GetHeapRegionSize();
return RESULT_SUCCESS;
case GetInfoType::ASLRRegionBaseAddr:
*result = process->PageTable().GetAliasCodeRegionStart();
return RESULT_SUCCESS;
case GetInfoType::ASLRRegionSize:
*result = process->PageTable().GetAliasCodeRegionSize();
return RESULT_SUCCESS;
case GetInfoType::StackRegionBaseAddr:
*result = process->PageTable().GetStackRegionStart();
return RESULT_SUCCESS;
case GetInfoType::StackRegionSize:
*result = process->PageTable().GetStackRegionSize();
return RESULT_SUCCESS;
case GetInfoType::TotalPhysicalMemoryAvailable:
*result = process->GetTotalPhysicalMemoryAvailable();
return RESULT_SUCCESS;
case GetInfoType::TotalPhysicalMemoryUsed:
*result = process->GetTotalPhysicalMemoryUsed();
return RESULT_SUCCESS;
case GetInfoType::SystemResourceSize:
*result = process->GetSystemResourceSize();
return RESULT_SUCCESS;
case GetInfoType::SystemResourceUsage:
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LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
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*result = process->GetSystemResourceUsage();
return RESULT_SUCCESS;
case GetInfoType::TitleId:
*result = process->GetTitleID();
return RESULT_SUCCESS;
case GetInfoType::UserExceptionContextAddr:
*result = process->GetTLSRegionAddress();
return RESULT_SUCCESS;
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case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
*result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
return RESULT_SUCCESS;
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case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource:
*result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
return RESULT_SUCCESS;
default:
break;
}
LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
return ERR_INVALID_ENUM_VALUE;
}
case GetInfoType::IsCurrentProcessBeingDebugged:
*result = 0;
return RESULT_SUCCESS;
case GetInfoType::RegisterResourceLimit: {
if (handle != 0) {
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LOG_ERROR(Kernel, "Handle is non zero! handle={:08X}", handle);
return ERR_INVALID_HANDLE;
}
if (info_sub_id != 0) {
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LOG_ERROR(Kernel, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
info_sub_id);
return ERR_INVALID_COMBINATION;
}
Process* const current_process = system.Kernel().CurrentProcess();
HandleTable& handle_table = current_process->GetHandleTable();
const auto resource_limit = current_process->GetResourceLimit();
if (!resource_limit) {
*result = KernelHandle::InvalidHandle;
// Yes, the kernel considers this a successful operation.
return RESULT_SUCCESS;
}
const auto table_result = handle_table.Create(resource_limit);
if (table_result.Failed()) {
return table_result.Code();
}
*result = *table_result;
return RESULT_SUCCESS;
}
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case GetInfoType::RandomEntropy:
if (handle != 0) {
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LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}",
handle);
return ERR_INVALID_HANDLE;
}
if (info_sub_id >= Process::RANDOM_ENTROPY_SIZE) {
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LOG_ERROR(Kernel_SVC, "Entropy size is out of range, expected {} but got {}",
Process::RANDOM_ENTROPY_SIZE, info_sub_id);
return ERR_INVALID_COMBINATION;
}
*result = system.Kernel().CurrentProcess()->GetRandomEntropy(info_sub_id);
return RESULT_SUCCESS;
case GetInfoType::PrivilegedProcessId:
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LOG_WARNING(Kernel_SVC,
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"(STUBBED) Attempted to query privileged process id bounds, returned 0");
*result = 0;
return RESULT_SUCCESS;
case GetInfoType::ThreadTickCount: {
constexpr u64 num_cpus = 4;
if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) {
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LOG_ERROR(Kernel_SVC, "Core count is out of range, expected {} but got {}", num_cpus,
info_sub_id);
return ERR_INVALID_COMBINATION;
}
const auto thread = system.Kernel().CurrentProcess()->GetHandleTable().Get<KThread>(
static_cast<Handle>(handle));
if (!thread) {
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LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}",
static_cast<Handle>(handle));
return ERR_INVALID_HANDLE;
}
const auto& core_timing = system.CoreTiming();
const auto& scheduler = *system.Kernel().CurrentScheduler();
const auto* const current_thread = scheduler.GetCurrentThread();
const bool same_thread = current_thread == thread.get();
const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTicks();
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.CurrentCoreIndex()) {
out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
}
*result = out_ticks;
return RESULT_SUCCESS;
}
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default:
LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
return ERR_INVALID_ENUM_VALUE;
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}
}
static ResultCode 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 ResultCode 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 ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
std::lock_guard lock{HLE::g_hle_lock};
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 ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
return ERR_INVALID_SIZE;
}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is zero");
return ERR_INVALID_SIZE;
}
if (!(addr < addr + size)) {
LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
return ERR_INVALID_MEMORY_RANGE;
}
Process* 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 ERR_INVALID_STATE;
}
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 ERR_INVALID_MEMORY_RANGE;
}
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 ERR_INVALID_MEMORY_RANGE;
}
return page_table.MapPhysicalMemory(addr, size);
}
static ResultCode MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
return MapPhysicalMemory(system, addr, size);
}
/// Unmaps memory previously mapped via MapPhysicalMemory
static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
std::lock_guard lock{HLE::g_hle_lock};
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 ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
return ERR_INVALID_SIZE;
}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is zero");
return ERR_INVALID_SIZE;
}
if (!(addr < addr + size)) {
LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
return ERR_INVALID_MEMORY_RANGE;
}
Process* 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 ERR_INVALID_STATE;
}
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 ERR_INVALID_MEMORY_RANGE;
}
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 ERR_INVALID_MEMORY_RANGE;
}
return page_table.UnmapPhysicalMemory(addr, size);
}
static ResultCode UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
return UnmapPhysicalMemory(system, addr, size);
}
constexpr bool IsValidThreadActivity(Svc::ThreadActivity thread_activity) {
switch (thread_activity) {
case Svc::ThreadActivity::Runnable:
case Svc::ThreadActivity::Paused:
return true;
default:
return false;
}
}
/// Sets the thread activity
static ResultCode SetThreadActivity(Core::System& system, Handle thread_handle,
Svc::ThreadActivity thread_activity) {
LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", thread_handle,
thread_activity);
// Validate the activity.
R_UNLESS(IsValidThreadActivity(thread_activity), Svc::ResultInvalidEnumValue);
// Get the thread from its handle.
auto& kernel = system.Kernel();
const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
// Check that the activity is being set on a non-current thread for the current process.
R_UNLESS(thread->GetOwnerProcess() == kernel.CurrentProcess(), Svc::ResultInvalidHandle);
R_UNLESS(thread.get() != GetCurrentThreadPointer(kernel), Svc::ResultBusy);
// Set the activity.
R_TRY(thread->SetActivity(thread_activity));
return RESULT_SUCCESS;
}
static ResultCode SetThreadActivity32(Core::System& system, Handle thread_handle,
Svc::ThreadActivity thread_activity) {
return SetThreadActivity(system, thread_handle, thread_activity);
}
/// Gets the thread context
static ResultCode 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);
// Get the thread from its handle.
const auto* current_process = system.Kernel().CurrentProcess();
const std::shared_ptr<KThread> thread =
current_process->GetHandleTable().Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
// Require the handle be to a non-current thread in the current process.
R_UNLESS(thread->GetOwnerProcess() == current_process, Svc::ResultInvalidHandle);
R_UNLESS(thread.get() != system.Kernel().CurrentScheduler()->GetCurrentThread(),
Svc::ResultBusy);
// 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 RESULT_SUCCESS;
}
static ResultCode 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 ResultCode GetThreadPriority(Core::System& system, u32* out_priority, Handle handle) {
LOG_TRACE(Kernel_SVC, "called");
// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
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// Get the thread's priority.
*out_priority = thread->GetPriority();
return RESULT_SUCCESS;
}
static ResultCode GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
return GetThreadPriority(system, out_priority, handle);
}
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/// Sets the priority for the specified thread
static ResultCode SetThreadPriority(Core::System& system, Handle handle, u32 priority) {
LOG_TRACE(Kernel_SVC, "called");
// Validate the priority.
R_UNLESS(Svc::HighestThreadPriority <= priority && priority <= Svc::LowestThreadPriority,
Svc::ResultInvalidPriority);
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// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
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// Set the thread priority.
thread->SetBasePriority(priority);
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return RESULT_SUCCESS;
}
static ResultCode SetThreadPriority32(Core::System& system, Handle handle, u32 priority) {
return SetThreadPriority(system, handle, priority);
}
/// Get which CPU core is executing the current thread
static u32 GetCurrentProcessorNumber(Core::System& system) {
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LOG_TRACE(Kernel_SVC, "called");
return static_cast<u32>(system.CurrentPhysicalCore().CoreIndex());
}
static u32 GetCurrentProcessorNumber32(Core::System& system) {
return GetCurrentProcessorNumber(system);
}
static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_handle, VAddr addr,
u64 size, u32 permissions) {
std::lock_guard lock{HLE::g_hle_lock};
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LOG_TRACE(Kernel_SVC,
"called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
shared_memory_handle, addr, size, permissions);
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if (!Common::Is4KBAligned(addr)) {
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LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, addr=0x{:016X}", addr);
return ERR_INVALID_ADDRESS;
}
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if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is 0");
return ERR_INVALID_SIZE;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, size=0x{:016X}", size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(addr, size)) {
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LOG_ERROR(Kernel_SVC, "Region is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto permission_type = static_cast<Memory::MemoryPermission>(permissions);
if ((permission_type | Memory::MemoryPermission::Write) !=
Memory::MemoryPermission::ReadAndWrite) {
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LOG_ERROR(Kernel_SVC, "Expected Read or ReadWrite permission but got permissions=0x{:08X}",
permissions);
return ERR_INVALID_MEMORY_PERMISSIONS;
}
auto* const current_process{system.Kernel().CurrentProcess()};
auto& page_table{current_process->PageTable()};
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if (page_table.IsInvalidRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Addr does not fit within the valid region, addr=0x{:016X}, "
"size=0x{:016X}",
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addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
if (page_table.IsInsideHeapRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Addr does not fit within the heap region, addr=0x{:016X}, "
"size=0x{:016X}",
addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
if (page_table.IsInsideAliasRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Address does not fit within the map region, addr=0x{:016X}, "
"size=0x{:016X}",
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addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
auto shared_memory{current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle)};
if (!shared_memory) {
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LOG_ERROR(Kernel_SVC, "Shared memory does not exist, shared_memory_handle=0x{:08X}",
shared_memory_handle);
return ERR_INVALID_HANDLE;
}
return shared_memory->Map(*current_process, addr, size, permission_type);
}
static ResultCode MapSharedMemory32(Core::System& system, Handle shared_memory_handle, u32 addr,
u32 size, u32 permissions) {
return MapSharedMemory(system, shared_memory_handle, addr, size, permissions);
}
static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address,
VAddr page_info_address, Handle process_handle,
VAddr address) {
std::lock_guard lock{HLE::g_hle_lock};
LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address);
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
std::shared_ptr<Process> process = handle_table.Get<Process>(process_handle);
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if (!process) {
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LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
process_handle);
return ERR_INVALID_HANDLE;
}
auto& memory{system.Memory()};
const auto memory_info{process->PageTable().QueryInfo(address).GetSvcMemoryInfo()};
memory.Write64(memory_info_address + 0x00, memory_info.addr);
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.attr));
memory.Write32(memory_info_address + 0x18, static_cast<u32>(memory_info.perm));
memory.Write32(memory_info_address + 0x1c, memory_info.ipc_refcount);
memory.Write32(memory_info_address + 0x20, memory_info.device_refcount);
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 RESULT_SUCCESS;
}
static ResultCode 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 ResultCode 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 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& 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 ERR_INVALID_ADDRESS_STATE;
}
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 ERR_INVALID_MEMORY_RANGE;
}
return page_table.MapProcessCodeMemory(dst_address, src_address, size);
}
static 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& 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 ERR_INVALID_ADDRESS_STATE;
}
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 ERR_INVALID_MEMORY_RANGE;
}
return page_table.UnmapProcessCodeMemory(dst_address, src_address, size);
}
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/// Exits the current process
static void ExitProcess(Core::System& system) {
auto* current_process = system.Kernel().CurrentProcess();
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UNIMPLEMENTED();
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LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
"Process has already exited");
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current_process->PrepareForTermination();
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// Kill the current thread
system.Kernel().CurrentScheduler()->GetCurrentThread()->Exit();
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}
static void ExitProcess32(Core::System& system) {
ExitProcess(system);
}
static constexpr bool IsValidCoreId(int32_t core_id) {
return (0 <= core_id && core_id < static_cast<int32_t>(Core::Hardware::NUM_CPU_CORES));
}
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/// Creates a new thread
static ResultCode 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 == Svc::IdealCoreUseProcessValue) {
core_id = process.GetIdealCoreId();
}
// Validate arguments.
R_UNLESS(IsValidCoreId(core_id), Svc::ResultInvalidCoreId);
R_UNLESS(((1ULL << core_id) & process.GetCoreMask()) != 0, Svc::ResultInvalidCoreId);
R_UNLESS(Svc::HighestThreadPriority <= priority && priority <= Svc::LowestThreadPriority,
Svc::ResultInvalidPriority);
R_UNLESS(process.CheckThreadPriority(priority), Svc::ResultInvalidPriority);
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Threads, 1));
CASCADE_RESULT(std::shared_ptr<KThread> thread,
KThread::Create(system, ThreadType::User, "", entry_point, priority, arg,
core_id, stack_bottom, &process));
const auto new_thread_handle = process.GetHandleTable().Create(thread);
if (new_thread_handle.Failed()) {
LOG_ERROR(Kernel_SVC, "Failed to create handle with error=0x{:X}",
new_thread_handle.Code().raw);
return new_thread_handle.Code();
}
*out_handle = *new_thread_handle;
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// Set the thread name for debugging purposes.
thread->SetName(
fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *new_thread_handle));
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return RESULT_SUCCESS;
}
static ResultCode 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);
}
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/// Starts the thread for the provided handle
static ResultCode StartThread(Core::System& system, Handle thread_handle) {
LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
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// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
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// Try to start the thread.
R_TRY(thread->Run());
return RESULT_SUCCESS;
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}
static ResultCode StartThread32(Core::System& system, Handle thread_handle) {
return StartThread(system, thread_handle);
}
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/// 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 = system.Kernel().CurrentScheduler()->GetCurrentThread();
system.GlobalSchedulerContext().RemoveThread(SharedFrom(current_thread));
current_thread->Exit();
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}
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.
UNREACHABLE_MSG("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 ResultCode 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.
R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory);
R_UNLESS(Common::IsAligned(address, sizeof(int32_t)), Svc::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 ResultCode 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 ResultCode 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.
R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory);
R_UNLESS(Common::IsAligned(address, sizeof(int32_t)), Svc::ResultInvalidAddress);
R_UNLESS(IsValidArbitrationType(arb_type), Svc::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 ResultCode 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 ResultCode 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.
R_UNLESS(!Memory::IsKernelAddress(address), Svc::ResultInvalidCurrentMemory);
R_UNLESS(Common::IsAligned(address, sizeof(s32)), Svc::ResultInvalidAddress);
R_UNLESS(IsValidSignalType(signal_type), Svc::ResultInvalidEnumValue);
return system.Kernel().CurrentProcess()->SignalAddressArbiter(address, signal_type, value,
count);
}
static ResultCode 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.
}
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/// 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{system.CoreTiming().GetClockTicks()};
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if (!system.Kernel().IsMulticore()) {
core_timing.AddTicks(400U);
}
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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 ResultCode CloseHandle(Core::System& system, Handle handle) {
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LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle);
auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
return handle_table.Close(handle);
}
static ResultCode CloseHandle32(Core::System& system, Handle handle) {
return CloseHandle(system, handle);
}
/// Clears the signaled state of an event or process.
static ResultCode ResetSignal(Core::System& system, Handle handle) {
LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto event = handle_table.Get<ReadableEvent>(handle);
if (event) {
return event->Reset();
}
auto process = handle_table.Get<Process>(handle);
if (process) {
return process->ClearSignalState();
}
LOG_ERROR(Kernel_SVC, "Invalid handle (0x{:08X})", handle);
return ERR_INVALID_HANDLE;
}
static ResultCode ResetSignal32(Core::System& system, Handle handle) {
return ResetSignal(system, handle);
}
/// Creates a TransferMemory object
static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAddr addr, u64 size,
u32 permissions) {
std::lock_guard lock{HLE::g_hle_lock};
LOG_DEBUG(Kernel_SVC, "called addr=0x{:X}, size=0x{:X}, perms=0x{:08X}", addr, size,
permissions);
if (!Common::Is4KBAligned(addr)) {
LOG_ERROR(Kernel_SVC, "Address ({:016X}) is not page aligned!", addr);
return ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(size) || size == 0) {
LOG_ERROR(Kernel_SVC, "Size ({:016X}) is not page aligned or equal to zero!", size);
return ERR_INVALID_ADDRESS;
}
if (!IsValidAddressRange(addr, size)) {
LOG_ERROR(Kernel_SVC, "Address and size cause overflow! (address={:016X}, size={:016X})",
addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto perms{static_cast<Memory::MemoryPermission>(permissions)};
if (perms > Memory::MemoryPermission::ReadAndWrite ||
perms == Memory::MemoryPermission::Write) {
LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})",
permissions);
return ERR_INVALID_MEMORY_PERMISSIONS;
}
auto& kernel = system.Kernel();
auto transfer_mem_handle = TransferMemory::Create(kernel, system.Memory(), addr, size, perms);
if (const auto reserve_result{transfer_mem_handle->Reserve()}; reserve_result.IsError()) {
return reserve_result;
}
auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
const auto result{handle_table.Create(std::move(transfer_mem_handle))};
if (result.Failed()) {
return result.Code();
}
*handle = *result;
return RESULT_SUCCESS;
}
static ResultCode CreateTransferMemory32(Core::System& system, Handle* handle, u32 addr, u32 size,
u32 permissions) {
return CreateTransferMemory(system, handle, addr, size, permissions);
}
static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, s32* out_core_id,
u64* out_affinity_mask) {
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LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
// Get the core mask.
R_TRY(thread->GetCoreMask(out_core_id, out_affinity_mask));
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return RESULT_SUCCESS;
}
static ResultCode 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 ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, s32 core_id,
u64 affinity_mask) {
LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, core_id=0x{:X}, affinity_mask=0x{:016X}",
thread_handle, core_id, affinity_mask);
const auto& current_process = *system.Kernel().CurrentProcess();
// Determine the core id/affinity mask.
if (core_id == Svc::IdealCoreUseProcessValue) {
core_id = current_process.GetIdealCoreId();
affinity_mask = (1ULL << core_id);
} else {
// Validate the affinity mask.
const u64 process_core_mask = current_process.GetCoreMask();
R_UNLESS((affinity_mask | process_core_mask) == process_core_mask,
Svc::ResultInvalidCoreId);
R_UNLESS(affinity_mask != 0, Svc::ResultInvalidCombination);
// Validate the core id.
if (IsValidCoreId(core_id)) {
R_UNLESS(((1ULL << core_id) & affinity_mask) != 0, Svc::ResultInvalidCombination);
} else {
R_UNLESS(core_id == Svc::IdealCoreNoUpdate || core_id == Svc::IdealCoreDontCare,
Svc::ResultInvalidCoreId);
}
}
// Get the thread from its handle.
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const std::shared_ptr<KThread> thread = handle_table.Get<KThread>(thread_handle);
R_UNLESS(thread, Svc::ResultInvalidHandle);
// Set the core mask.
R_TRY(thread->SetCoreMask(core_id, affinity_mask));
return RESULT_SUCCESS;
}
static ResultCode 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 ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle* read_handle) {
LOG_DEBUG(Kernel_SVC, "called");
auto& kernel = system.Kernel();
const auto [readable_event, writable_event] =
WritableEvent::CreateEventPair(kernel, "CreateEvent");
HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
const auto write_create_result = handle_table.Create(writable_event);
if (write_create_result.Failed()) {
return write_create_result.Code();
}
*write_handle = *write_create_result;
const auto read_create_result = handle_table.Create(readable_event);
if (read_create_result.Failed()) {
handle_table.Close(*write_create_result);
return read_create_result.Code();
}
*read_handle = *read_create_result;
LOG_DEBUG(Kernel_SVC,
"successful. Writable event handle=0x{:08X}, Readable event handle=0x{:08X}",
*write_create_result, *read_create_result);
return RESULT_SUCCESS;
}
static ResultCode CreateEvent32(Core::System& system, Handle* write_handle, Handle* read_handle) {
return CreateEvent(system, write_handle, read_handle);
}
static ResultCode ClearEvent(Core::System& system, Handle handle) {
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LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle);
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const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto writable_event = handle_table.Get<WritableEvent>(handle);
if (writable_event) {
writable_event->Clear();
return RESULT_SUCCESS;
}
auto readable_event = handle_table.Get<ReadableEvent>(handle);
if (readable_event) {
readable_event->Clear();
return RESULT_SUCCESS;
}
LOG_ERROR(Kernel_SVC, "Event handle does not exist, handle=0x{:08X}", handle);
return ERR_INVALID_HANDLE;
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}
static ResultCode ClearEvent32(Core::System& system, Handle handle) {
return ClearEvent(system, handle);
}
static ResultCode SignalEvent(Core::System& system, Handle handle) {
LOG_DEBUG(Kernel_SVC, "called. Handle=0x{:08X}", handle);
HandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto writable_event = handle_table.Get<WritableEvent>(handle);
if (!writable_event) {
LOG_ERROR(Kernel_SVC, "Non-existent writable event handle used (0x{:08X})", handle);
return ERR_INVALID_HANDLE;
}
writable_event->Signal();
return RESULT_SUCCESS;
}
static ResultCode SignalEvent32(Core::System& system, Handle handle) {
return SignalEvent(system, handle);
}
static ResultCode 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);
// This function currently only allows retrieving a process' status.
enum class InfoType {
Status,
};
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
const auto process = handle_table.Get<Process>(process_handle);
if (!process) {
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LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
process_handle);
return ERR_INVALID_HANDLE;
}
const auto info_type = static_cast<InfoType>(type);
if (info_type != InfoType::Status) {
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LOG_ERROR(Kernel_SVC, "Expected info_type to be Status but got {} instead", type);
return ERR_INVALID_ENUM_VALUE;
}
*out = static_cast<u64>(process->GetStatus());
return RESULT_SUCCESS;
}
static ResultCode CreateResourceLimit(Core::System& system, Handle* out_handle) {
std::lock_guard lock{HLE::g_hle_lock};
LOG_DEBUG(Kernel_SVC, "called");
auto& kernel = system.Kernel();
auto resource_limit = ResourceLimit::Create(kernel);
auto* const current_process = kernel.CurrentProcess();
ASSERT(current_process != nullptr);
const auto handle = current_process->GetHandleTable().Create(std::move(resource_limit));
if (handle.Failed()) {
return handle.Code();
}
*out_handle = *handle;
return RESULT_SUCCESS;
}
static ResultCode GetResourceLimitLimitValue(Core::System& system, u64* out_value,
Handle resource_limit, u32 resource_type) {
LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}", resource_limit, resource_type);
const auto limit_value = RetrieveResourceLimitValue(system, resource_limit, resource_type,
ResourceLimitValueType::LimitValue);
if (limit_value.Failed()) {
return limit_value.Code();
}
*out_value = static_cast<u64>(*limit_value);
return RESULT_SUCCESS;
}
static ResultCode GetResourceLimitCurrentValue(Core::System& system, u64* out_value,
Handle resource_limit, u32 resource_type) {
LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}", resource_limit, resource_type);
const auto current_value = RetrieveResourceLimitValue(system, resource_limit, resource_type,
ResourceLimitValueType::CurrentValue);
if (current_value.Failed()) {
return current_value.Code();
}
*out_value = static_cast<u64>(*current_value);
return RESULT_SUCCESS;
}
static ResultCode SetResourceLimitLimitValue(Core::System& system, Handle resource_limit,
u32 resource_type, u64 value) {
LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}, Value={}", resource_limit,
resource_type, value);
const auto type = static_cast<ResourceType>(resource_type);
if (!IsValidResourceType(type)) {
LOG_ERROR(Kernel_SVC, "Invalid resource limit type: '{}'", resource_type);
return ERR_INVALID_ENUM_VALUE;
}
auto* const current_process = system.Kernel().CurrentProcess();
ASSERT(current_process != nullptr);
auto resource_limit_object =
current_process->GetHandleTable().Get<ResourceLimit>(resource_limit);
if (!resource_limit_object) {
LOG_ERROR(Kernel_SVC, "Handle to non-existent resource limit instance used. Handle={:08X}",
resource_limit);
return ERR_INVALID_HANDLE;
}
const auto set_result = resource_limit_object->SetLimitValue(type, static_cast<s64>(value));
if (set_result.IsError()) {
LOG_ERROR(
Kernel_SVC,
"Attempted to lower resource limit ({}) for category '{}' below its current value ({})",
resource_limit_object->GetMaxResourceValue(type), resource_type,
resource_limit_object->GetCurrentResourceValue(type));
return set_result;
}
return RESULT_SUCCESS;
}
static ResultCode 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 ERR_OUT_OF_RANGE;
}
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 ERR_INVALID_ADDRESS_STATE;
}
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 RESULT_SUCCESS;
}
static ResultCode 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 ERR_OUT_OF_RANGE;
}
const 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 ERR_INVALID_ADDRESS_STATE;
}
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 RESULT_SUCCESS;
}
static ResultCode FlushProcessDataCache32([[maybe_unused]] Core::System& system,
[[maybe_unused]] Handle handle,
[[maybe_unused]] u32 address, [[maybe_unused]] u32 size) {
// Note(Blinkhawk): For emulation purposes of the data cache this is mostly a no-op,
// as all emulation is done in the same cache level in host architecture, thus data cache
// does not need flushing.
LOG_DEBUG(Kernel_SVC, "called");
return RESULT_SUCCESS;
}
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namespace {
struct FunctionDef {
using Func = void(Core::System&);
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u32 id;
Func* func;
const char* name;
};
} // namespace
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static const FunctionDef SVC_Table_32[] = {
{0x00, nullptr, "Unknown"},
{0x01, SvcWrap32<SetHeapSize32>, "SetHeapSize32"},
{0x02, nullptr, "Unknown"},
{0x03, SvcWrap32<SetMemoryAttribute32>, "SetMemoryAttribute32"},
{0x04, SvcWrap32<MapMemory32>, "MapMemory32"},
{0x05, SvcWrap32<UnmapMemory32>, "UnmapMemory32"},
{0x06, SvcWrap32<QueryMemory32>, "QueryMemory32"},
{0x07, SvcWrap32<ExitProcess32>, "ExitProcess32"},
{0x08, SvcWrap32<CreateThread32>, "CreateThread32"},
{0x09, SvcWrap32<StartThread32>, "StartThread32"},
{0x0a, SvcWrap32<ExitThread32>, "ExitThread32"},
{0x0b, SvcWrap32<SleepThread32>, "SleepThread32"},
{0x0c, SvcWrap32<GetThreadPriority32>, "GetThreadPriority32"},
{0x0d, SvcWrap32<SetThreadPriority32>, "SetThreadPriority32"},
{0x0e, SvcWrap32<GetThreadCoreMask32>, "GetThreadCoreMask32"},
{0x0f, SvcWrap32<SetThreadCoreMask32>, "SetThreadCoreMask32"},
{0x10, SvcWrap32<GetCurrentProcessorNumber32>, "GetCurrentProcessorNumber32"},
{0x11, SvcWrap32<SignalEvent32>, "SignalEvent32"},
{0x12, SvcWrap32<ClearEvent32>, "ClearEvent32"},
{0x13, SvcWrap32<MapSharedMemory32>, "MapSharedMemory32"},
{0x14, nullptr, "UnmapSharedMemory32"},
{0x15, SvcWrap32<CreateTransferMemory32>, "CreateTransferMemory32"},
{0x16, SvcWrap32<CloseHandle32>, "CloseHandle32"},
{0x17, SvcWrap32<ResetSignal32>, "ResetSignal32"},
{0x18, SvcWrap32<WaitSynchronization32>, "WaitSynchronization32"},
{0x19, SvcWrap32<CancelSynchronization32>, "CancelSynchronization32"},
{0x1a, SvcWrap32<ArbitrateLock32>, "ArbitrateLock32"},
{0x1b, SvcWrap32<ArbitrateUnlock32>, "ArbitrateUnlock32"},
{0x1c, SvcWrap32<WaitProcessWideKeyAtomic32>, "WaitProcessWideKeyAtomic32"},
{0x1d, SvcWrap32<SignalProcessWideKey32>, "SignalProcessWideKey32"},
{0x1e, SvcWrap32<GetSystemTick32>, "GetSystemTick32"},
{0x1f, SvcWrap32<ConnectToNamedPort32>, "ConnectToNamedPort32"},
{0x20, nullptr, "Unknown"},
{0x21, SvcWrap32<SendSyncRequest32>, "SendSyncRequest32"},
{0x22, nullptr, "SendSyncRequestWithUserBuffer32"},
{0x23, nullptr, "Unknown"},
{0x24, SvcWrap32<GetProcessId32>, "GetProcessId32"},
{0x25, SvcWrap32<GetThreadId32>, "GetThreadId32"},
{0x26, SvcWrap32<Break32>, "Break32"},
{0x27, nullptr, "OutputDebugString32"},
{0x28, nullptr, "Unknown"},
{0x29, SvcWrap32<GetInfo32>, "GetInfo32"},
{0x2a, nullptr, "Unknown"},
{0x2b, nullptr, "Unknown"},
{0x2c, SvcWrap32<MapPhysicalMemory32>, "MapPhysicalMemory32"},
{0x2d, SvcWrap32<UnmapPhysicalMemory32>, "UnmapPhysicalMemory32"},
{0x2e, nullptr, "Unknown"},
{0x2f, nullptr, "Unknown"},
{0x30, nullptr, "Unknown"},
{0x31, nullptr, "Unknown"},
{0x32, SvcWrap32<SetThreadActivity32>, "SetThreadActivity32"},
{0x33, SvcWrap32<GetThreadContext32>, "GetThreadContext32"},
{0x34, SvcWrap32<WaitForAddress32>, "WaitForAddress32"},
{0x35, SvcWrap32<SignalToAddress32>, "SignalToAddress32"},
{0x36, nullptr, "Unknown"},
{0x37, nullptr, "Unknown"},
{0x38, nullptr, "Unknown"},
{0x39, nullptr, "Unknown"},
{0x3a, nullptr, "Unknown"},
{0x3b, nullptr, "Unknown"},
{0x3c, nullptr, "Unknown"},
{0x3d, nullptr, "Unknown"},
{0x3e, nullptr, "Unknown"},
{0x3f, nullptr, "Unknown"},
{0x40, nullptr, "CreateSession32"},
{0x41, nullptr, "AcceptSession32"},
{0x42, nullptr, "Unknown"},
{0x43, nullptr, "ReplyAndReceive32"},
{0x44, nullptr, "Unknown"},
{0x45, SvcWrap32<CreateEvent32>, "CreateEvent32"},
{0x46, nullptr, "Unknown"},
{0x47, nullptr, "Unknown"},
{0x48, nullptr, "Unknown"},
{0x49, nullptr, "Unknown"},
{0x4a, nullptr, "Unknown"},
{0x4b, nullptr, "Unknown"},
{0x4c, nullptr, "Unknown"},
{0x4d, nullptr, "Unknown"},
{0x4e, nullptr, "Unknown"},
{0x4f, nullptr, "Unknown"},
{0x50, nullptr, "Unknown"},
{0x51, nullptr, "Unknown"},
{0x52, nullptr, "Unknown"},
{0x53, nullptr, "Unknown"},
{0x54, nullptr, "Unknown"},
{0x55, nullptr, "Unknown"},
{0x56, nullptr, "Unknown"},
{0x57, nullptr, "Unknown"},
{0x58, nullptr, "Unknown"},
{0x59, nullptr, "Unknown"},
{0x5a, nullptr, "Unknown"},
{0x5b, nullptr, "Unknown"},
{0x5c, nullptr, "Unknown"},
{0x5d, nullptr, "Unknown"},
{0x5e, nullptr, "Unknown"},
{0x5F, SvcWrap32<FlushProcessDataCache32>, "FlushProcessDataCache32"},
{0x60, nullptr, "Unknown"},
{0x61, nullptr, "Unknown"},
{0x62, nullptr, "Unknown"},
{0x63, nullptr, "Unknown"},
{0x64, nullptr, "Unknown"},
{0x65, nullptr, "GetProcessList32"},
{0x66, nullptr, "Unknown"},
{0x67, nullptr, "Unknown"},
{0x68, nullptr, "Unknown"},
{0x69, nullptr, "Unknown"},
{0x6A, nullptr, "Unknown"},
{0x6B, nullptr, "Unknown"},
{0x6C, nullptr, "Unknown"},
{0x6D, nullptr, "Unknown"},
{0x6E, nullptr, "Unknown"},
{0x6f, nullptr, "GetSystemInfo32"},
{0x70, nullptr, "CreatePort32"},
{0x71, nullptr, "ManageNamedPort32"},
{0x72, nullptr, "ConnectToPort32"},
{0x73, nullptr, "SetProcessMemoryPermission32"},
{0x74, nullptr, "Unknown"},
{0x75, nullptr, "Unknown"},
{0x76, nullptr, "Unknown"},
{0x77, nullptr, "MapProcessCodeMemory32"},
{0x78, nullptr, "UnmapProcessCodeMemory32"},
{0x79, nullptr, "Unknown"},
{0x7A, nullptr, "Unknown"},
{0x7B, nullptr, "TerminateProcess32"},
};
static const FunctionDef SVC_Table_64[] = {
{0x00, nullptr, "Unknown"},
{0x01, SvcWrap64<SetHeapSize>, "SetHeapSize"},
{0x02, nullptr, "SetMemoryPermission"},
{0x03, SvcWrap64<SetMemoryAttribute>, "SetMemoryAttribute"},
{0x04, SvcWrap64<MapMemory>, "MapMemory"},
{0x05, SvcWrap64<UnmapMemory>, "UnmapMemory"},
{0x06, SvcWrap64<QueryMemory>, "QueryMemory"},
{0x07, SvcWrap64<ExitProcess>, "ExitProcess"},
{0x08, SvcWrap64<CreateThread>, "CreateThread"},
{0x09, SvcWrap64<StartThread>, "StartThread"},
{0x0A, SvcWrap64<ExitThread>, "ExitThread"},
{0x0B, SvcWrap64<SleepThread>, "SleepThread"},
{0x0C, SvcWrap64<GetThreadPriority>, "GetThreadPriority"},
{0x0D, SvcWrap64<SetThreadPriority>, "SetThreadPriority"},
{0x0E, SvcWrap64<GetThreadCoreMask>, "GetThreadCoreMask"},
{0x0F, SvcWrap64<SetThreadCoreMask>, "SetThreadCoreMask"},
{0x10, SvcWrap64<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"},
{0x11, SvcWrap64<SignalEvent>, "SignalEvent"},
{0x12, SvcWrap64<ClearEvent>, "ClearEvent"},
{0x13, SvcWrap64<MapSharedMemory>, "MapSharedMemory"},
{0x14, nullptr, "UnmapSharedMemory"},
{0x15, SvcWrap64<CreateTransferMemory>, "CreateTransferMemory"},
{0x16, SvcWrap64<CloseHandle>, "CloseHandle"},
{0x17, SvcWrap64<ResetSignal>, "ResetSignal"},
{0x18, SvcWrap64<WaitSynchronization>, "WaitSynchronization"},
{0x19, SvcWrap64<CancelSynchronization>, "CancelSynchronization"},
{0x1A, SvcWrap64<ArbitrateLock>, "ArbitrateLock"},
{0x1B, SvcWrap64<ArbitrateUnlock>, "ArbitrateUnlock"},
{0x1C, SvcWrap64<WaitProcessWideKeyAtomic>, "WaitProcessWideKeyAtomic"},
{0x1D, SvcWrap64<SignalProcessWideKey>, "SignalProcessWideKey"},
{0x1E, SvcWrap64<GetSystemTick>, "GetSystemTick"},
{0x1F, SvcWrap64<ConnectToNamedPort>, "ConnectToNamedPort"},
{0x20, nullptr, "SendSyncRequestLight"},
{0x21, SvcWrap64<SendSyncRequest>, "SendSyncRequest"},
{0x22, nullptr, "SendSyncRequestWithUserBuffer"},
{0x23, nullptr, "SendAsyncRequestWithUserBuffer"},
{0x24, SvcWrap64<GetProcessId>, "GetProcessId"},
{0x25, SvcWrap64<GetThreadId>, "GetThreadId"},
{0x26, SvcWrap64<Break>, "Break"},
{0x27, SvcWrap64<OutputDebugString>, "OutputDebugString"},
{0x28, nullptr, "ReturnFromException"},
{0x29, SvcWrap64<GetInfo>, "GetInfo"},
{0x2A, nullptr, "FlushEntireDataCache"},
{0x2B, nullptr, "FlushDataCache"},
{0x2C, SvcWrap64<MapPhysicalMemory>, "MapPhysicalMemory"},
{0x2D, SvcWrap64<UnmapPhysicalMemory>, "UnmapPhysicalMemory"},
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{0x2E, nullptr, "GetFutureThreadInfo"},
{0x2F, nullptr, "GetLastThreadInfo"},
{0x30, SvcWrap64<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"},
{0x31, SvcWrap64<GetResourceLimitCurrentValue>, "GetResourceLimitCurrentValue"},
{0x32, SvcWrap64<SetThreadActivity>, "SetThreadActivity"},
{0x33, SvcWrap64<GetThreadContext>, "GetThreadContext"},
{0x34, SvcWrap64<WaitForAddress>, "WaitForAddress"},
{0x35, SvcWrap64<SignalToAddress>, "SignalToAddress"},
{0x36, nullptr, "SynchronizePreemptionState"},
{0x37, nullptr, "Unknown"},
{0x38, nullptr, "Unknown"},
{0x39, nullptr, "Unknown"},
{0x3A, nullptr, "Unknown"},
{0x3B, nullptr, "Unknown"},
{0x3C, SvcWrap64<KernelDebug>, "KernelDebug"},
{0x3D, SvcWrap64<ChangeKernelTraceState>, "ChangeKernelTraceState"},
{0x3E, nullptr, "Unknown"},
{0x3F, nullptr, "Unknown"},
{0x40, nullptr, "CreateSession"},
{0x41, nullptr, "AcceptSession"},
{0x42, nullptr, "ReplyAndReceiveLight"},
{0x43, nullptr, "ReplyAndReceive"},
{0x44, nullptr, "ReplyAndReceiveWithUserBuffer"},
{0x45, SvcWrap64<CreateEvent>, "CreateEvent"},
{0x46, nullptr, "Unknown"},
{0x47, nullptr, "Unknown"},
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{0x48, nullptr, "MapPhysicalMemoryUnsafe"},
{0x49, nullptr, "UnmapPhysicalMemoryUnsafe"},
{0x4A, nullptr, "SetUnsafeLimit"},
{0x4B, nullptr, "CreateCodeMemory"},
{0x4C, nullptr, "ControlCodeMemory"},
{0x4D, nullptr, "SleepSystem"},
{0x4E, nullptr, "ReadWriteRegister"},
{0x4F, nullptr, "SetProcessActivity"},
{0x50, nullptr, "CreateSharedMemory"},
{0x51, nullptr, "MapTransferMemory"},
{0x52, nullptr, "UnmapTransferMemory"},
{0x53, nullptr, "CreateInterruptEvent"},
{0x54, nullptr, "QueryPhysicalAddress"},
{0x55, nullptr, "QueryIoMapping"},
{0x56, nullptr, "CreateDeviceAddressSpace"},
{0x57, nullptr, "AttachDeviceAddressSpace"},
{0x58, nullptr, "DetachDeviceAddressSpace"},
{0x59, nullptr, "MapDeviceAddressSpaceByForce"},
{0x5A, nullptr, "MapDeviceAddressSpaceAligned"},
{0x5B, nullptr, "MapDeviceAddressSpace"},
{0x5C, nullptr, "UnmapDeviceAddressSpace"},
{0x5D, nullptr, "InvalidateProcessDataCache"},
{0x5E, nullptr, "StoreProcessDataCache"},
{0x5F, nullptr, "FlushProcessDataCache"},
{0x60, nullptr, "DebugActiveProcess"},
{0x61, nullptr, "BreakDebugProcess"},
{0x62, nullptr, "TerminateDebugProcess"},
{0x63, nullptr, "GetDebugEvent"},
{0x64, nullptr, "ContinueDebugEvent"},
{0x65, SvcWrap64<GetProcessList>, "GetProcessList"},
{0x66, SvcWrap64<GetThreadList>, "GetThreadList"},
{0x67, nullptr, "GetDebugThreadContext"},
{0x68, nullptr, "SetDebugThreadContext"},
{0x69, nullptr, "QueryDebugProcessMemory"},
{0x6A, nullptr, "ReadDebugProcessMemory"},
{0x6B, nullptr, "WriteDebugProcessMemory"},
{0x6C, nullptr, "SetHardwareBreakPoint"},
{0x6D, nullptr, "GetDebugThreadParam"},
{0x6E, nullptr, "Unknown"},
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{0x6F, nullptr, "GetSystemInfo"},
{0x70, nullptr, "CreatePort"},
{0x71, nullptr, "ManageNamedPort"},
{0x72, nullptr, "ConnectToPort"},
{0x73, nullptr, "SetProcessMemoryPermission"},
{0x74, nullptr, "MapProcessMemory"},
{0x75, nullptr, "UnmapProcessMemory"},
{0x76, SvcWrap64<QueryProcessMemory>, "QueryProcessMemory"},
{0x77, SvcWrap64<MapProcessCodeMemory>, "MapProcessCodeMemory"},
{0x78, SvcWrap64<UnmapProcessCodeMemory>, "UnmapProcessCodeMemory"},
{0x79, nullptr, "CreateProcess"},
{0x7A, nullptr, "StartProcess"},
{0x7B, nullptr, "TerminateProcess"},
{0x7C, SvcWrap64<GetProcessInfo>, "GetProcessInfo"},
{0x7D, SvcWrap64<CreateResourceLimit>, "CreateResourceLimit"},
{0x7E, SvcWrap64<SetResourceLimitLimitValue>, "SetResourceLimitLimitValue"},
{0x7F, nullptr, "CallSecureMonitor"},
};
static const FunctionDef* GetSVCInfo32(u32 func_num) {
if (func_num >= std::size(SVC_Table_32)) {
LOG_ERROR(Kernel_SVC, "Unknown svc=0x{:02X}", func_num);
return nullptr;
}
return &SVC_Table_32[func_num];
}
static const FunctionDef* GetSVCInfo64(u32 func_num) {
if (func_num >= std::size(SVC_Table_64)) {
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LOG_ERROR(Kernel_SVC, "Unknown svc=0x{:02X}", func_num);
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return nullptr;
}
return &SVC_Table_64[func_num];
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}
void Call(Core::System& system, u32 immediate) {
system.ExitDynarmicProfile();
auto& kernel = system.Kernel();
kernel.EnterSVCProfile();
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auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
thread->SetIsCallingSvc();
const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)
: GetSVCInfo32(immediate);
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if (info) {
if (info->func) {
info->func(system);
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} else {
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LOG_CRITICAL(Kernel_SVC, "Unimplemented SVC function {}(..)", info->name);
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}
} else {
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LOG_CRITICAL(Kernel_SVC, "Unknown SVC function 0x{:X}", immediate);
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}
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kernel.ExitSVCProfile();
if (!thread->IsCallingSvc()) {
auto* host_context = thread->GetHostContext().get();
host_context->Rewind();
}
system.EnterDynarmicProfile();
}
} // namespace Kernel::Svc