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@ -21,45 +21,7 @@ namespace IPC { |
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constexpr Result ResultSessionClosed{ErrorModule::HIPC, 301}; |
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constexpr Result ResultSessionClosed{ErrorModule::HIPC, 301}; |
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class RequestHelperBase { |
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protected: |
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Service::HLERequestContext* context = nullptr; |
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u32* cmdbuf; |
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u32 index = 0; |
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public: |
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explicit RequestHelperBase(u32* command_buffer) : cmdbuf(command_buffer) {} |
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explicit RequestHelperBase(Service::HLERequestContext& ctx) |
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: context(&ctx), cmdbuf(ctx.CommandBuffer()) {} |
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void Skip(u32 size_in_words, bool set_to_null) { |
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if (set_to_null) { |
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memset(cmdbuf + index, 0, size_in_words * sizeof(u32)); |
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} |
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index += size_in_words; |
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} |
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/** |
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* Aligns the current position forward to a 16-byte boundary, padding with zeros. |
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*/ |
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void AlignWithPadding() { |
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if (index & 3) { |
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Skip(static_cast<u32>(4 - (index & 3)), true); |
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} |
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} |
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u32 GetCurrentOffset() const { |
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return index; |
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} |
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void SetCurrentOffset(u32 offset) { |
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index = offset; |
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} |
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}; |
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class ResponseBuilder : public RequestHelperBase { |
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public: |
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struct ResponseBuilder { |
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/// Flags used for customizing the behavior of ResponseBuilder |
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/// Flags used for customizing the behavior of ResponseBuilder |
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enum class Flags : u32 { |
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enum class Flags : u32 { |
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None = 0, |
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None = 0, |
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@ -68,25 +30,21 @@ public: |
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AlwaysMoveHandles = 1, |
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AlwaysMoveHandles = 1, |
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}; |
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}; |
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explicit ResponseBuilder(Service::HLERequestContext& ctx, u32 normal_params_size_, |
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u32 num_handles_to_copy_ = 0, u32 num_objects_to_move_ = 0, |
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Flags flags = Flags::None) |
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: RequestHelperBase(ctx), normal_params_size(normal_params_size_), |
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num_handles_to_copy(num_handles_to_copy_), |
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num_objects_to_move(num_objects_to_move_), kernel{ctx.kernel} { |
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memset(cmdbuf, 0, sizeof(u32) * IPC::COMMAND_BUFFER_LENGTH); |
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inline explicit ResponseBuilder(Service::HLERequestContext& ctx, u32 normal_params_size_, u32 num_handles_to_copy_ = 0, u32 num_objects_to_move_ = 0, Flags flags = Flags::None) |
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: cmdbuf(ctx.CommandBuffer()) |
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, normal_params_size(normal_params_size_) |
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, num_handles_to_copy(num_handles_to_copy_) |
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, num_objects_to_move(num_objects_to_move_) |
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{ |
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std::memset(cmdbuf, 0, sizeof(u32) * IPC::COMMAND_BUFFER_LENGTH); |
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IPC::CommandHeader header{}; |
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IPC::CommandHeader header{}; |
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// The entire size of the raw data section in u32 units, including the 16 bytes of mandatory |
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// The entire size of the raw data section in u32 units, including the 16 bytes of mandatory |
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// padding. |
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// padding. |
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u32 raw_data_size = ctx.write_size = |
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ctx.IsTipc() ? normal_params_size - 1 : normal_params_size; |
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u32 raw_data_size = ctx.write_size = ctx.IsTipc() ? normal_params_size - 1 : normal_params_size; |
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u32 num_handles_to_move{}; |
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u32 num_handles_to_move{}; |
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u32 num_domain_objects{}; |
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u32 num_domain_objects{}; |
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const bool always_move_handles{ |
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(static_cast<u32>(flags) & static_cast<u32>(Flags::AlwaysMoveHandles)) != 0}; |
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const bool always_move_handles = (u32(flags) & u32(Flags::AlwaysMoveHandles)) != 0; |
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if (!ctx.GetManager()->IsDomain() || always_move_handles) { |
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if (!ctx.GetManager()->IsDomain() || always_move_handles) { |
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num_handles_to_move = num_objects_to_move; |
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num_handles_to_move = num_objects_to_move; |
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} else { |
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} else { |
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@ -94,16 +52,14 @@ public: |
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} |
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} |
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if (ctx.GetManager()->IsDomain()) { |
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if (ctx.GetManager()->IsDomain()) { |
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raw_data_size += |
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static_cast<u32>(sizeof(DomainMessageHeader) / sizeof(u32) + num_domain_objects); |
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raw_data_size += u32(sizeof(DomainMessageHeader) / sizeof(u32) + num_domain_objects); |
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ctx.write_size += num_domain_objects; |
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ctx.write_size += num_domain_objects; |
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} |
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} |
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if (ctx.IsTipc()) { |
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if (ctx.IsTipc()) { |
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header.type.Assign(ctx.GetCommandType()); |
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header.type.Assign(ctx.GetCommandType()); |
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} else { |
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} else { |
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raw_data_size += static_cast<u32>(sizeof(IPC::DataPayloadHeader) / sizeof(u32) + 4 + |
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normal_params_size); |
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raw_data_size += u32(sizeof(IPC::DataPayloadHeader) / sizeof(u32) + 4 + normal_params_size); |
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} |
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} |
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header.data_size.Assign(raw_data_size); |
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header.data_size.Assign(raw_data_size); |
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@ -117,21 +73,17 @@ public: |
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handle_descriptor_header.num_handles_to_copy.Assign(num_handles_to_copy_); |
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handle_descriptor_header.num_handles_to_copy.Assign(num_handles_to_copy_); |
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handle_descriptor_header.num_handles_to_move.Assign(num_handles_to_move); |
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handle_descriptor_header.num_handles_to_move.Assign(num_handles_to_move); |
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PushRaw(handle_descriptor_header); |
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PushRaw(handle_descriptor_header); |
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ctx.handles_offset = index; |
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ctx.handles_offset = index; |
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Skip(num_handles_to_copy + num_handles_to_move, true); |
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Skip(num_handles_to_copy + num_handles_to_move, true); |
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} |
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} |
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if (!ctx.IsTipc()) { |
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if (!ctx.IsTipc()) { |
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AlignWithPadding(); |
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AlignWithPadding(); |
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if (ctx.GetManager()->IsDomain() && ctx.HasDomainMessageHeader()) { |
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if (ctx.GetManager()->IsDomain() && ctx.HasDomainMessageHeader()) { |
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IPC::DomainMessageHeader domain_header{}; |
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IPC::DomainMessageHeader domain_header{}; |
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domain_header.num_objects = num_domain_objects; |
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domain_header.num_objects = num_domain_objects; |
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PushRaw(domain_header); |
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PushRaw(domain_header); |
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} |
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} |
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IPC::DataPayloadHeader data_payload_header{}; |
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IPC::DataPayloadHeader data_payload_header{}; |
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data_payload_header.magic = Common::MakeMagic('S', 'F', 'C', 'O'); |
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data_payload_header.magic = Common::MakeMagic('S', 'F', 'C', 'O'); |
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PushRaw(data_payload_header); |
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PushRaw(data_payload_header); |
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@ -141,35 +93,39 @@ public: |
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ctx.data_payload_offset = index; |
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ctx.data_payload_offset = index; |
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ctx.write_size += index; |
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ctx.write_size += index; |
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ctx.domain_offset = static_cast<u32>(index + raw_data_size / sizeof(u32)); |
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ctx.domain_offset = u32(index + raw_data_size / sizeof(u32)); |
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} |
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} |
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template <class T> |
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void PushIpcInterface(std::shared_ptr<T> iface) { |
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auto manager{context->GetManager()}; |
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inline void Skip(u32 size_in_words, bool set_to_null) { |
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if (set_to_null) std::memset(cmdbuf + index, 0, size_in_words * sizeof(u32)); |
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index += size_in_words; |
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} |
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/// @brief Aligns the current position forward to a 16-byte boundary, padding with zeros. |
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inline void AlignWithPadding() { if (index & 3) Skip(u32(4 - (index & 3)), true); } |
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inline u32 GetCurrentOffset() const { return index; } |
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inline void SetCurrentOffset(u32 offset) { index = offset; } |
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template <class T> inline void PushIpcInterface(Service::HLERequestContext& ctx, std::shared_ptr<T> iface) { |
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auto manager = ctx.GetManager(); |
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if (manager->IsDomain()) { |
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if (manager->IsDomain()) { |
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context->AddDomainObject(std::move(iface)); |
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ctx.AddDomainObject(std::move(iface)); |
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} else { |
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} else { |
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ASSERT(Kernel::GetCurrentProcess(kernel).GetResourceLimit()->Reserve( |
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Kernel::LimitableResource::SessionCountMax, 1)); |
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ASSERT(Kernel::GetCurrentProcess(ctx.kernel).GetResourceLimit()->Reserve(Kernel::LimitableResource::SessionCountMax, 1)); |
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auto* session = Kernel::KSession::Create(kernel); |
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auto* session = Kernel::KSession::Create(ctx.kernel); |
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session->Initialize(nullptr, 0); |
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session->Initialize(nullptr, 0); |
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Kernel::KSession::Register(kernel, session); |
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Kernel::KSession::Register(ctx.kernel, session); |
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auto next_manager = std::make_shared<Service::SessionRequestManager>( |
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kernel, manager->GetServerManager()); |
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auto next_manager = std::make_shared<Service::SessionRequestManager>(ctx.kernel, manager->GetServerManager()); |
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next_manager->SetSessionHandler(iface); |
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next_manager->SetSessionHandler(iface); |
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manager->GetServerManager().RegisterSession(&session->GetServerSession(), next_manager); |
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manager->GetServerManager().RegisterSession(&session->GetServerSession(), next_manager); |
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context->AddMoveObject(&session->GetClientSession()); |
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ctx.AddMoveObject(&session->GetClientSession()); |
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} |
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} |
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} |
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} |
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template <class T, class... Args> |
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void PushIpcInterface(Args&&... args) { |
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PushIpcInterface<T>(std::make_shared<T>(std::forward<Args>(args)...)); |
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template <class T, class... Args> inline void PushIpcInterface(Service::HLERequestContext& ctx, Args&&... args) { |
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PushIpcInterface<T>(ctx, std::make_shared<T>(std::forward<Args>(args)...)); |
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} |
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} |
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void PushImpl(s8 value); |
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void PushImpl(s8 value); |
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@ -185,59 +141,38 @@ public: |
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void PushImpl(bool value); |
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void PushImpl(bool value); |
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void PushImpl(Result value); |
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void PushImpl(Result value); |
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template <typename T> |
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void Push(T value) { |
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template <typename T> inline void Push(T value) { |
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return PushImpl(value); |
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return PushImpl(value); |
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} |
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} |
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template <typename First, typename... Other> |
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template <typename First, typename... Other> |
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void Push(const First& first_value, const Other&... other_values); |
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void Push(const First& first_value, const Other&... other_values); |
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/** |
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* Helper function for pushing strongly-typed enumeration values. |
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* |
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* @tparam Enum The enumeration type to be pushed |
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* |
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* @param value The value to push. |
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* |
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* @note The underlying size of the enumeration type is the size of the |
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* data that gets pushed. e.g. "enum class SomeEnum : u16" will |
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* push a u16-sized amount of data. |
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*/ |
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template <typename Enum> |
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void PushEnum(Enum value) { |
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/// @brief Helper function for pushing strongly-typed enumeration values. |
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/// @tparam Enum The enumeration type to be pushed |
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/// @param value The value to push. |
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/// @note The underlying size of the enumeration type is the size of the data that gets pushed. |
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/// e.g. "enum class SomeEnum : u16" will push a u16-sized amount of data. |
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template <typename Enum> inline void PushEnum(Enum value) { |
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static_assert(std::is_enum_v<Enum>, "T must be an enum type within a PushEnum call."); |
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static_assert(std::is_enum_v<Enum>, "T must be an enum type within a PushEnum call."); |
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static_assert(!std::is_convertible_v<Enum, int>, |
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"enum type in PushEnum must be a strongly typed enum."); |
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static_assert(!std::is_convertible_v<Enum, int>, "enum type in PushEnum must be a strongly typed enum."); |
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Push(static_cast<std::underlying_type_t<Enum>>(value)); |
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Push(static_cast<std::underlying_type_t<Enum>>(value)); |
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} |
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} |
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/** |
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* @brief Copies the content of the given trivially copyable class to the buffer as a normal |
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* param |
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* @note: The input class must be correctly packed/padded to fit hardware layout. |
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*/ |
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template <typename T> |
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void PushRaw(const T& value); |
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template <typename... O> |
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void PushMoveObjects(O*... pointers); |
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template <typename... O> |
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void PushMoveObjects(O&... pointers); |
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/// @brief Copies the content of the given trivially copyable class to the buffer as a normal param |
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/// @note: The input class must be correctly packed/padded to fit hardware layout. |
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template <typename T> void PushRaw(const T& value); |
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template <typename... O> void PushMoveObjects(Service::HLERequestContext& ctx, O*... pointers); |
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template <typename... O> void PushMoveObjects(Service::HLERequestContext& ctx, O&... pointers); |
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template <typename... O> void PushCopyObjects(Service::HLERequestContext& ctx, O*... pointers); |
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template <typename... O> void PushCopyObjects(Service::HLERequestContext& ctx, O&... pointers); |
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template <typename... O> |
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void PushCopyObjects(O*... pointers); |
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template <typename... O> |
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void PushCopyObjects(O&... pointers); |
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private: |
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u32* cmdbuf; |
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u32 index = 0; |
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u32 normal_params_size{}; |
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u32 normal_params_size{}; |
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u32 num_handles_to_copy{}; |
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u32 num_handles_to_copy{}; |
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u32 num_objects_to_move{}; ///< Domain objects or move handles, context dependent |
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u32 num_objects_to_move{}; ///< Domain objects or move handles, context dependent |
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u32 data_payload_index{}; |
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u32 data_payload_index{}; |
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Kernel::KernelCore& kernel; |
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}; |
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}; |
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/// Push /// |
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/// Push /// |
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@ -252,8 +187,7 @@ inline void ResponseBuilder::PushImpl(u32 value) { |
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template <typename T> |
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template <typename T> |
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void ResponseBuilder::PushRaw(const T& value) { |
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void ResponseBuilder::PushRaw(const T& value) { |
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static_assert(std::is_trivially_copyable_v<T>, |
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"It's undefined behavior to use memcpy with non-trivially copyable objects"); |
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static_assert(std::is_trivially_copyable_v<T>, "It's undefined behavior to use memcpy with non-trivially copyable objects"); |
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std::memcpy(cmdbuf + index, &value, sizeof(T)); |
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std::memcpy(cmdbuf + index, &value, sizeof(T)); |
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index += (sizeof(T) + 3) / 4; // round up to word length |
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index += (sizeof(T) + 3) / 4; // round up to word length |
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} |
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} |
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@ -273,8 +207,8 @@ inline void ResponseBuilder::PushImpl(s16 value) { |
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} |
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} |
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inline void ResponseBuilder::PushImpl(s64 value) { |
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inline void ResponseBuilder::PushImpl(s64 value) { |
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PushImpl(static_cast<u32>(value)); |
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PushImpl(static_cast<u32>(value >> 32)); |
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PushImpl(u32(value)); |
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PushImpl(u32(value >> 32)); |
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} |
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} |
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inline void ResponseBuilder::PushImpl(u8 value) { |
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inline void ResponseBuilder::PushImpl(u8 value) { |
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@ -286,8 +220,8 @@ inline void ResponseBuilder::PushImpl(u16 value) { |
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} |
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} |
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inline void ResponseBuilder::PushImpl(u64 value) { |
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inline void ResponseBuilder::PushImpl(u64 value) { |
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PushImpl(static_cast<u32>(value)); |
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PushImpl(static_cast<u32>(value >> 32)); |
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PushImpl(u32(value)); |
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PushImpl(u32(value >> 32)); |
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} |
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} |
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inline void ResponseBuilder::PushImpl(float value) { |
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inline void ResponseBuilder::PushImpl(float value) { |
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@ -313,90 +247,88 @@ void ResponseBuilder::Push(const First& first_value, const Other&... other_value |
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} |
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} |
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template <typename... O> |
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template <typename... O> |
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inline void ResponseBuilder::PushCopyObjects(O*... pointers) { |
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inline void ResponseBuilder::PushCopyObjects(Service::HLERequestContext& ctx, O*... pointers) { |
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auto objects = {pointers...}; |
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auto objects = {pointers...}; |
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for (auto& object : objects) { |
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for (auto& object : objects) { |
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context->AddCopyObject(object); |
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ctx.AddCopyObject(object); |
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} |
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} |
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} |
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} |
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template <typename... O> |
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template <typename... O> |
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inline void ResponseBuilder::PushCopyObjects(O&... pointers) { |
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inline void ResponseBuilder::PushCopyObjects(Service::HLERequestContext& ctx, O&... pointers) { |
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auto objects = {&pointers...}; |
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auto objects = {&pointers...}; |
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for (auto& object : objects) { |
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for (auto& object : objects) { |
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context->AddCopyObject(object); |
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ctx.AddCopyObject(object); |
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} |
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} |
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} |
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} |
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template <typename... O> |
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template <typename... O> |
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inline void ResponseBuilder::PushMoveObjects(O*... pointers) { |
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inline void ResponseBuilder::PushMoveObjects(Service::HLERequestContext& ctx, O*... pointers) { |
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auto objects = {pointers...}; |
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auto objects = {pointers...}; |
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for (auto& object : objects) { |
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for (auto& object : objects) { |
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context->AddMoveObject(object); |
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ctx.AddMoveObject(object); |
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} |
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} |
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} |
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} |
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template <typename... O> |
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template <typename... O> |
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inline void ResponseBuilder::PushMoveObjects(O&... pointers) { |
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inline void ResponseBuilder::PushMoveObjects(Service::HLERequestContext& ctx, O&... pointers) { |
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auto objects = {&pointers...}; |
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auto objects = {&pointers...}; |
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for (auto& object : objects) { |
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for (auto& object : objects) { |
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context->AddMoveObject(object); |
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ctx.AddMoveObject(object); |
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} |
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} |
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} |
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} |
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class RequestParser : public RequestHelperBase { |
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public: |
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explicit RequestParser(u32* command_buffer) : RequestHelperBase(command_buffer) {} |
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explicit RequestParser(Service::HLERequestContext& ctx) : RequestHelperBase(ctx) { |
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struct RequestParser { |
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inline explicit RequestParser(u32* command_buffer) : cmdbuf(command_buffer) {} |
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inline explicit RequestParser(Service::HLERequestContext& ctx) |
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: cmdbuf(ctx.CommandBuffer()) |
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{ |
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// TIPC does not have data payload offset |
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// TIPC does not have data payload offset |
|
|
if (!ctx.IsTipc()) { |
|
|
if (!ctx.IsTipc()) { |
|
|
ASSERT_MSG(ctx.GetDataPayloadOffset(), "context is incomplete"); |
|
|
ASSERT_MSG(ctx.GetDataPayloadOffset(), "context is incomplete"); |
|
|
Skip(ctx.GetDataPayloadOffset(), false); |
|
|
Skip(ctx.GetDataPayloadOffset(), false); |
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} |
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} |
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// Skip the u64 command id, it's already stored in the context |
|
|
// Skip the u64 command id, it's already stored in the context |
|
|
static constexpr u32 CommandIdSize = 2; |
|
|
static constexpr u32 CommandIdSize = 2; |
|
|
Skip(CommandIdSize, false); |
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|
Skip(CommandIdSize, false); |
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|
} |
|
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} |
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template <typename T> |
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T Pop(); |
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template <typename T> |
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void Pop(T& value); |
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inline void Skip(u32 size_in_words, bool set_to_null) { |
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if (set_to_null) std::memset(cmdbuf + index, 0, size_in_words * sizeof(u32)); |
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|
|
index += size_in_words; |
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} |
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/// @brief Aligns the current position forward to a 16-byte boundary, padding with zeros. |
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|
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inline void AlignWithPadding() { if (index & 3) Skip(u32(4 - (index & 3)), true); } |
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inline u32 GetCurrentOffset() const { return index; } |
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inline void SetCurrentOffset(u32 offset) { index = offset; } |
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template <typename First, typename... Other> |
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void Pop(First& first_value, Other&... other_values); |
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template <typename T> T Pop(); |
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template <typename T> void Pop(T& value); |
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template <typename First, typename... Other> void Pop(First& first_value, Other&... other_values); |
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template <typename T> |
|
|
template <typename T> |
|
|
T PopEnum() { |
|
|
T PopEnum() { |
|
|
static_assert(std::is_enum_v<T>, "T must be an enum type within a PopEnum call."); |
|
|
static_assert(std::is_enum_v<T>, "T must be an enum type within a PopEnum call."); |
|
|
static_assert(!std::is_convertible_v<T, int>, |
|
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|
|
|
"enum type in PopEnum must be a strongly typed enum."); |
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|
|
return static_cast<T>(Pop<std::underlying_type_t<T>>()); |
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|
|
static_assert(!std::is_convertible_v<T, int>, "enum type in PopEnum must be a strongly typed enum."); |
|
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|
|
|
return T(Pop<std::underlying_type_t<T>>()); |
|
|
} |
|
|
} |
|
|
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|
|
/** |
|
|
|
|
|
* @brief Reads the next normal parameters as a struct, by copying it |
|
|
|
|
|
* @note: The output class must be correctly packed/padded to fit hardware layout. |
|
|
|
|
|
*/ |
|
|
|
|
|
template <typename T> |
|
|
|
|
|
void PopRaw(T& value); |
|
|
|
|
|
|
|
|
/// @brief Reads the next normal parameters as a struct, by copying it |
|
|
|
|
|
/// @note: The output class must be correctly packed/padded to fit hardware layout. |
|
|
|
|
|
template <typename T> void PopRaw(T& value); |
|
|
|
|
|
|
|
|
/** |
|
|
|
|
|
* @brief Reads the next normal parameters as a struct, by copying it into a new value |
|
|
|
|
|
* @note: The output class must be correctly packed/padded to fit hardware layout. |
|
|
|
|
|
*/ |
|
|
|
|
|
template <typename T> |
|
|
|
|
|
T PopRaw(); |
|
|
|
|
|
|
|
|
/// @brief Reads the next normal parameters as a struct, by copying it into a new value |
|
|
|
|
|
/// @note: The output class must be correctly packed/padded to fit hardware layout. |
|
|
|
|
|
template <typename T> T PopRaw(); |
|
|
|
|
|
|
|
|
template <class T> |
|
|
|
|
|
std::weak_ptr<T> PopIpcInterface() { |
|
|
|
|
|
ASSERT(context->GetManager()->IsDomain()); |
|
|
|
|
|
ASSERT(context->GetDomainMessageHeader().input_object_count > 0); |
|
|
|
|
|
return context->GetDomainHandler<T>(Pop<u32>() - 1); |
|
|
|
|
|
|
|
|
template <class T> [[nodiscard]] std::weak_ptr<T> PopIpcInterface(Service::HLERequestContext& ctx) { |
|
|
|
|
|
ASSERT(ctx.GetManager()->IsDomain()); |
|
|
|
|
|
ASSERT(ctx.GetDomainMessageHeader().input_object_count > 0); |
|
|
|
|
|
return ctx.GetDomainHandler<T>(Pop<u32>() - 1); |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
u32* cmdbuf; |
|
|
|
|
|
u32 index = 0; |
|
|
}; |
|
|
}; |
|
|
|
|
|
|
|
|
/// Pop /// |
|
|
/// Pop /// |
|
|
@ -408,7 +340,7 @@ inline u32 RequestParser::Pop() { |
|
|
|
|
|
|
|
|
template <> |
|
|
template <> |
|
|
inline s32 RequestParser::Pop() { |
|
|
inline s32 RequestParser::Pop() { |
|
|
return static_cast<s32>(Pop<u32>()); |
|
|
|
|
|
|
|
|
return s32(Pop<u32>()); |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
// Ignore the -Wclass-memaccess warning on memcpy for non-trivially default constructible objects. |
|
|
// Ignore the -Wclass-memaccess warning on memcpy for non-trivially default constructible objects. |
|
|
@ -418,8 +350,7 @@ inline s32 RequestParser::Pop() { |
|
|
#endif |
|
|
#endif |
|
|
template <typename T> |
|
|
template <typename T> |
|
|
void RequestParser::PopRaw(T& value) { |
|
|
void RequestParser::PopRaw(T& value) { |
|
|
static_assert(std::is_trivially_copyable_v<T>, |
|
|
|
|
|
"It's undefined behavior to use memcpy with non-trivially copyable objects"); |
|
|
|
|
|
|
|
|
static_assert(std::is_trivially_copyable_v<T>, "It's undefined behavior to use memcpy with non-trivially copyable objects"); |
|
|
std::memcpy(&value, cmdbuf + index, sizeof(T)); |
|
|
std::memcpy(&value, cmdbuf + index, sizeof(T)); |
|
|
index += (sizeof(T) + 3) / 4; // round up to word length |
|
|
index += (sizeof(T) + 3) / 4; // round up to word length |
|
|
} |
|
|
} |
|
|
|
lizzie
1 week ago