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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <cstdlib>
#include <ctime>
#include <vector>
#include "common/logging.h"
#include "common/settings.h"
#include "core/hle/api_version.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/server_manager.h"
#include "core/hle/service/spl/spl.h"
#include "core/hle/service/spl/spl_module.h"
namespace Service::SPL {
Module::Interface::Interface(Core::System& system_, std::shared_ptr<Module> module_,
const char* name)
: ServiceFramework{system_, name}, module{std::move(module_)},
rng(Settings::values.rng_seed_enabled ? Settings::values.rng_seed.GetValue()
: static_cast<u32>(std::time(nullptr))) {}
Module::Interface::~Interface() = default;
void Module::Interface::GetConfig(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto config_item = rp.PopEnum<ConfigItem>();
// This should call svcCallSecureMonitor with the appropriate args.
// Since we do not have it implemented yet, we will use this for now.
u64 smc_result{};
const auto result_code = GetConfigImpl(&smc_result, config_item);
if (result_code != ResultSuccess) {
LOG_ERROR(Service_SPL, "called, config_item={}, result_code={}", config_item,
result_code.raw);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result_code);
}
LOG_DEBUG(Service_SPL, "called, config_item={}, result_code={}, smc_result={}", config_item,
result_code.raw, smc_result);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(result_code);
rb.Push(smc_result);
}
void Module::Interface::ModularExponentiate(HLERequestContext& ctx) {
UNIMPLEMENTED_MSG("ModularExponentiate is not implemented!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSecureMonitorNotImplemented);
}
void Module::Interface::GenerateAesKek(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
[[maybe_unused]] const auto key_source = rp.PopRaw<KeySource>();
const auto generation = rp.Pop<u32>();
const auto option = rp.Pop<u32>();
LOG_WARNING(Service_SPL, "(STUBBED) called, generation={:#x}, option={:#x}", generation,
option);
AccessKey access_key{};
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(ResultSuccess);
rb.PushRaw(access_key);
}
void Module::Interface::GenerateAesKey(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
[[maybe_unused]] const auto access_key = rp.PopRaw<AccessKey>();
[[maybe_unused]] const auto key_source = rp.PopRaw<KeySource>();
LOG_WARNING(Service_SPL, "(STUBBED) called");
AesKey aes_key{};
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(ResultSuccess);
rb.PushRaw(aes_key);
}
void Module::Interface::SetConfig(HLERequestContext& ctx) {
UNIMPLEMENTED_MSG("SetConfig is not implemented!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSecureMonitorNotImplemented);
}
void Module::Interface::GenerateRandomBytes(HLERequestContext& ctx) {
LOG_DEBUG(Service_SPL, "called");
const std::size_t size = ctx.GetWriteBufferSize();
std::uniform_int_distribution<u16> distribution(0, (std::numeric_limits<u8>::max)());
std::vector<u8> data(size);
std::generate(data.begin(), data.end(), [&] { return static_cast<u8>(distribution(rng)); });
ctx.WriteBuffer(data);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void Module::Interface::IsDevelopment(HLERequestContext& ctx) {
UNIMPLEMENTED_MSG("IsDevelopment is not implemented!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSecureMonitorNotImplemented);
}
void Module::Interface::SetBootReason(HLERequestContext& ctx) {
UNIMPLEMENTED_MSG("SetBootReason is not implemented!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSecureMonitorNotImplemented);
}
void Module::Interface::GetBootReason(HLERequestContext& ctx) {
UNIMPLEMENTED_MSG("GetBootReason is not implemented!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSecureMonitorNotImplemented);
}
Result Module::Interface::GetConfigImpl(u64* out_config, ConfigItem config_item) const {
switch (config_item) {
case ConfigItem::DisableProgramVerification:
case ConfigItem::DramId:
case ConfigItem::SecurityEngineInterruptNumber:
case ConfigItem::FuseVersion:
case ConfigItem::HardwareType:
case ConfigItem::HardwareState:
case ConfigItem::IsRecoveryBoot:
case ConfigItem::DeviceId:
case ConfigItem::BootReason:
case ConfigItem::MemoryMode:
case ConfigItem::IsDevelopmentFunctionEnabled:
case ConfigItem::KernelConfiguration:
case ConfigItem::IsChargerHiZModeEnabled:
case ConfigItem::QuestState:
case ConfigItem::RegulatorType:
case ConfigItem::DeviceUniqueKeyGeneration:
case ConfigItem::Package2Hash:
return ResultSecureMonitorNotImplemented;
case ConfigItem::ExosphereApiVersion:
// Get information about the current exosphere version.
*out_config = (u64{HLE::ApiVersion::ATMOSPHERE_RELEASE_VERSION_MAJOR} << 56) |
(u64{HLE::ApiVersion::ATMOSPHERE_RELEASE_VERSION_MINOR} << 48) |
(u64{HLE::ApiVersion::ATMOSPHERE_RELEASE_VERSION_MICRO} << 40) |
(static_cast<u64>(HLE::ApiVersion::GetTargetFirmware()));
return ResultSuccess;
case ConfigItem::ExosphereNeedsReboot:
// We are executing, so we aren't in the process of rebooting.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereNeedsShutdown:
// We are executing, so we aren't in the process of shutting down.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereGitCommitHash:
// Get information about the current exosphere git commit hash.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereHasRcmBugPatch:
// Get information about whether this unit has the RCM bug patched.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereBlankProdInfo:
// Get whether this unit should simulate a "blanked" PRODINFO.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereAllowCalWrites:
// Get whether this unit should allow writing to the calibration partition.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereEmummcType:
// Get what kind of emummc this unit has active.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExospherePayloadAddress:
// Gets the physical address of the reboot payload buffer, if one exists.
return ResultSecureMonitorNotInitialized;
case ConfigItem::ExosphereLogConfiguration:
// Get the log configuration.
*out_config = u64{0};
return ResultSuccess;
case ConfigItem::ExosphereForceEnableUsb30:
// Get whether usb 3.0 should be force-enabled.
*out_config = u64{0};
return ResultSuccess;
default:
return ResultSecureMonitorInvalidArgument;
}
}
class CSRNG final : public Module::Interface {
public:
explicit CSRNG(Core::System& system_, std::shared_ptr<Module> module_)
: Interface(system_, std::move(module_), "csrng") {
static const FunctionInfo functions[] = {
{0, &CSRNG::GenerateRandomBytes, "GenerateRandomBytes"},
};
RegisterHandlers(functions);
}
~CSRNG() override = default;
};
void LoopProcess(Core::System& system) {
auto server_manager = std::make_unique<ServerManager>(system);
auto module = std::make_shared<Module>();
server_manager->RegisterNamedService("csrng", std::make_shared<CSRNG>(system, module));
server_manager->RegisterNamedService("spl:", std::make_shared<SPL>(system, module));
server_manager->RegisterNamedService("spl:mig", std::make_shared<SPL_MIG>(system, module));
server_manager->RegisterNamedService("spl:fs", std::make_shared<SPL_FS>(system, module));
server_manager->RegisterNamedService("spl:ssl", std::make_shared<SPL_SSL>(system, module));
server_manager->RegisterNamedService("spl:es", std::make_shared<SPL_ES>(system, module));
server_manager->RegisterNamedService("spl:manu", std::make_shared<SPL_MANU>(system, module));
ServerManager::RunServer(std::move(server_manager));
}
} // namespace Service::SPL
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