pm: Implement pm:info GetTitleId
Searches the process list for a process with the specified ID, returning the title ID if it exists.
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@ -8,6 +8,26 @@
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namespace Service::PM {
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namespace {
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constexpr ResultCode ERROR_PROCESS_NOT_FOUND{ErrorModule::PM, 1};
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constexpr u64 NO_PROCESS_FOUND_PID{0};
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std::optional<Kernel::SharedPtr<Kernel::Process>> SearchProcessList(
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const std::vector<Kernel::SharedPtr<Kernel::Process>>& process_list,
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std::function<bool(const Kernel::SharedPtr<Kernel::Process>&)> predicate) {
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const auto iter = std::find_if(process_list.begin(), process_list.end(), predicate);
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if (iter == process_list.end()) {
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return std::nullopt;
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}
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return *iter;
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}
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} // Anonymous namespace
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class BootMode final : public ServiceFramework<BootMode> {
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public:
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explicit BootMode() : ServiceFramework{"pm:bm"} {
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@ -60,12 +80,37 @@ public:
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class Info final : public ServiceFramework<Info> {
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public:
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explicit Info() : ServiceFramework{"pm:info"} {
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explicit Info(const std::vector<Kernel::SharedPtr<Kernel::Process>>& process_list)
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: ServiceFramework{"pm:info"}, process_list(process_list) {
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static const FunctionInfo functions[] = {
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{0, nullptr, "GetTitleId"},
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{0, &Info::GetTitleId, "GetTitleId"},
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};
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RegisterHandlers(functions);
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}
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private:
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void GetTitleId(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto process_id = rp.PopRaw<u64>();
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LOG_DEBUG(Service_PM, "called, process_id={:016X}", process_id);
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const auto process = SearchProcessList(process_list, [process_id](const auto& process) {
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return process->GetProcessID() == process_id;
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});
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if (!process.has_value()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ERROR_PROCESS_NOT_FOUND);
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return;
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}
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push((*process)->GetTitleID());
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}
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const std::vector<Kernel::SharedPtr<Kernel::Process>>& process_list;
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};
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class Shell final : public ServiceFramework<Shell> {
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