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Merge pull request #2801 from yuriks/session-svcs
Implement CreateSessionToPort and AcceptSession; fix CreatePort
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commit
cf15b651ed
@ -226,9 +226,8 @@ void Wrap() {
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u32 retval = func(¶m_1, ¶m_2,
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reinterpret_cast<const char*>(Memory::GetPointer(PARAM(2))), PARAM(3))
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.raw;
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// The first out parameter is moved into R2 and the second is moved into R1.
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Core::CPU().SetReg(1, param_2);
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Core::CPU().SetReg(2, param_1);
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Core::CPU().SetReg(1, param_1);
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Core::CPU().SetReg(2, param_2);
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FuncReturn(retval);
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}
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@ -13,6 +13,7 @@ enum {
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OutOfHandles = 19,
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SessionClosedByRemote = 26,
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PortNameTooLong = 30,
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NoPendingSessions = 35,
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WrongPermission = 46,
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InvalidBufferDescriptor = 48,
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MaxConnectionsReached = 52,
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@ -94,5 +95,9 @@ constexpr ResultCode ERR_OUT_OF_RANGE_KERNEL(ErrorDescription::OutOfRange, Error
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ErrorLevel::Permanent); // 0xD8E007FD
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constexpr ResultCode RESULT_TIMEOUT(ErrorDescription::Timeout, ErrorModule::OS,
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ErrorSummary::StatusChanged, ErrorLevel::Info);
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/// Returned when Accept() is called on a port with no sessions to be accepted.
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constexpr ResultCode ERR_NO_PENDING_SESSIONS(ErrCodes::NoPendingSessions, ErrorModule::OS,
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ErrorSummary::WouldBlock,
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ErrorLevel::Permanent); // 0xD8401823
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} // namespace Kernel
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@ -5,8 +5,10 @@
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#include <tuple>
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#include "common/assert.h"
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/errors.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/server_port.h"
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#include "core/hle/kernel/server_session.h"
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#include "core/hle/kernel/thread.h"
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namespace Kernel {
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@ -14,6 +16,16 @@ namespace Kernel {
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ServerPort::ServerPort() {}
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ServerPort::~ServerPort() {}
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ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
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if (pending_sessions.empty()) {
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return ERR_NO_PENDING_SESSIONS;
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}
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auto session = std::move(pending_sessions.back());
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pending_sessions.pop_back();
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return MakeResult(std::move(session));
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}
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bool ServerPort::ShouldWait(Thread* thread) const {
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// If there are no pending sessions, we wait until a new one is added.
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return pending_sessions.size() == 0;
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@ -14,6 +14,7 @@
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namespace Kernel {
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class ClientPort;
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class ServerSession;
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class SessionRequestHandler;
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class ServerPort final : public WaitObject {
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@ -40,6 +41,12 @@ public:
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return HANDLE_TYPE;
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}
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/**
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* Accepts a pending incoming connection on this port. If there are no pending sessions, will
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* return ERR_NO_PENDING_SESSIONS.
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*/
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ResultVal<SharedPtr<ServerSession>> Accept();
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/**
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* Sets the HLE handler template for the port. ServerSessions crated by connecting to this port
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* will inherit a reference to this handler.
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@ -50,8 +57,8 @@ public:
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std::string name; ///< Name of port (optional)
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std::vector<SharedPtr<WaitObject>>
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pending_sessions; ///< ServerSessions waiting to be accepted by the port
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/// ServerSessions waiting to be accepted by the port
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std::vector<SharedPtr<ServerSession>> pending_sessions;
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/// This session's HLE request handler template (optional)
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/// ServerSessions created from this port inherit a reference to this handler.
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@ -947,6 +947,17 @@ static ResultCode CreatePort(Kernel::Handle* server_port, Kernel::Handle* client
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return RESULT_SUCCESS;
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}
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static ResultCode CreateSessionToPort(Handle* out_client_session, Handle client_port_handle) {
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using Kernel::ClientPort;
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SharedPtr<ClientPort> client_port = Kernel::g_handle_table.Get<ClientPort>(client_port_handle);
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if (client_port == nullptr)
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return ERR_INVALID_HANDLE;
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CASCADE_RESULT(auto session, client_port->Connect());
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CASCADE_RESULT(*out_client_session, Kernel::g_handle_table.Create(std::move(session)));
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return RESULT_SUCCESS;
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}
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static ResultCode CreateSession(Handle* server_session, Handle* client_session) {
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auto sessions = Kernel::ServerSession::CreateSessionPair();
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@ -960,6 +971,17 @@ static ResultCode CreateSession(Handle* server_session, Handle* client_session)
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return RESULT_SUCCESS;
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}
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static ResultCode AcceptSession(Handle* out_server_session, Handle server_port_handle) {
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using Kernel::ServerPort;
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SharedPtr<ServerPort> server_port = Kernel::g_handle_table.Get<ServerPort>(server_port_handle);
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if (server_port == nullptr)
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return ERR_INVALID_HANDLE;
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CASCADE_RESULT(auto session, server_port->Accept());
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CASCADE_RESULT(*out_server_session, Kernel::g_handle_table.Create(std::move(session)));
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return RESULT_SUCCESS;
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}
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static ResultCode GetSystemInfo(s64* out, u32 type, s32 param) {
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using Kernel::MemoryRegion;
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@ -1134,9 +1156,9 @@ static const FunctionDef SVC_Table[] = {
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{0x45, nullptr, "Unknown"},
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{0x46, nullptr, "Unknown"},
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{0x47, HLE::Wrap<CreatePort>, "CreatePort"},
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{0x48, nullptr, "CreateSessionToPort"},
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{0x48, HLE::Wrap<CreateSessionToPort>, "CreateSessionToPort"},
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{0x49, HLE::Wrap<CreateSession>, "CreateSession"},
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{0x4A, nullptr, "AcceptSession"},
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{0x4A, HLE::Wrap<AcceptSession>, "AcceptSession"},
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{0x4B, nullptr, "ReplyAndReceive1"},
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{0x4C, nullptr, "ReplyAndReceive2"},
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{0x4D, nullptr, "ReplyAndReceive3"},
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