HLE/SRV: Implemented RegisterService.

Now system modules can do more than just crash immediately on startup.
This commit is contained in:
Subv 2017-09-24 00:12:58 -05:00
parent a7758b0b36
commit 0b33e36292
4 changed files with 33 additions and 1 deletions

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@ -36,6 +36,10 @@ ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService
std::string name, unsigned int max_sessions) { std::string name, unsigned int max_sessions) {
CASCADE_CODE(ValidateServiceName(name)); CASCADE_CODE(ValidateServiceName(name));
if (registered_services.find(name) != registered_services.end())
return ERR_ALREADY_REGISTERED;
Kernel::SharedPtr<Kernel::ServerPort> server_port; Kernel::SharedPtr<Kernel::ServerPort> server_port;
Kernel::SharedPtr<Kernel::ClientPort> client_port; Kernel::SharedPtr<Kernel::ClientPort> client_port;
std::tie(server_port, client_port) = Kernel::ServerPort::CreatePortPair(max_sessions, name); std::tie(server_port, client_port) = Kernel::ServerPort::CreatePortPair(max_sessions, name);

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@ -32,6 +32,9 @@ constexpr ResultCode ERR_ACCESS_DENIED(6, ErrorModule::SRV, ErrorSummary::Invali
ErrorLevel::Permanent); // 0xD8E06406 ErrorLevel::Permanent); // 0xD8E06406
constexpr ResultCode ERR_NAME_CONTAINS_NUL(7, ErrorModule::SRV, ErrorSummary::WrongArgument, constexpr ResultCode ERR_NAME_CONTAINS_NUL(7, ErrorModule::SRV, ErrorSummary::WrongArgument,
ErrorLevel::Permanent); // 0xD9006407 ErrorLevel::Permanent); // 0xD9006407
constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorDescription::AlreadyExists, ErrorModule::OS,
ErrorSummary::WrongArgument,
ErrorLevel::Permanent); // 0xD9001BFC
class ServiceManager { class ServiceManager {
public: public:

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@ -13,6 +13,7 @@
#include "core/hle/kernel/errors.h" #include "core/hle/kernel/errors.h"
#include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/semaphore.h" #include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/kernel/server_session.h" #include "core/hle/kernel/server_session.h"
#include "core/hle/service/sm/sm.h" #include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h" #include "core/hle/service/sm/srv.h"
@ -184,12 +185,35 @@ void SRV::PublishToSubscriber(Kernel::HLERequestContext& ctx) {
flags); flags);
} }
void SRV::RegisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x3, 4, 0);
auto name_buf = rp.PopRaw<std::array<char, 8>>();
size_t name_len = rp.Pop<u32>();
u32 max_sessions = rp.Pop<u32>();
std::string name(name_buf.data(), std::min(name_len, name_buf.size()));
auto port = service_manager->RegisterService(name, max_sessions);
if (port.Failed()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(port.Code());
LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(), port.Code().raw);
return;
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushObjects(port.Unwrap());
}
SRV::SRV(std::shared_ptr<ServiceManager> service_manager) SRV::SRV(std::shared_ptr<ServiceManager> service_manager)
: ServiceFramework("srv:", 4), service_manager(std::move(service_manager)) { : ServiceFramework("srv:", 4), service_manager(std::move(service_manager)) {
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{0x00010002, &SRV::RegisterClient, "RegisterClient"}, {0x00010002, &SRV::RegisterClient, "RegisterClient"},
{0x00020000, &SRV::EnableNotification, "EnableNotification"}, {0x00020000, &SRV::EnableNotification, "EnableNotification"},
{0x00030100, nullptr, "RegisterService"}, {0x00030100, &SRV::RegisterService, "RegisterService"},
{0x000400C0, nullptr, "UnregisterService"}, {0x000400C0, nullptr, "UnregisterService"},
{0x00050100, &SRV::GetServiceHandle, "GetServiceHandle"}, {0x00050100, &SRV::GetServiceHandle, "GetServiceHandle"},
{0x000600C2, nullptr, "RegisterPort"}, {0x000600C2, nullptr, "RegisterPort"},

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@ -28,6 +28,7 @@ private:
void Subscribe(Kernel::HLERequestContext& ctx); void Subscribe(Kernel::HLERequestContext& ctx);
void Unsubscribe(Kernel::HLERequestContext& ctx); void Unsubscribe(Kernel::HLERequestContext& ctx);
void PublishToSubscriber(Kernel::HLERequestContext& ctx); void PublishToSubscriber(Kernel::HLERequestContext& ctx);
void RegisterService(Kernel::HLERequestContext& ctx);
std::shared_ptr<ServiceManager> service_manager; std::shared_ptr<ServiceManager> service_manager;
Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore; Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;