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system service: deliver initial AppContent entitlement updates through shared queue

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This commit is contained in:
nmzik
2026-10-08 04:29:49 +04:00
parent 210d4dcd99
commit 62643c3424
4 changed files with 88 additions and 1 deletions
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tests/KernelFileSystemTests.cpp
+53
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@@ -46,6 +46,8 @@ void InitLibKernel_1_Apr(Loader::SymbolDatabase *symbols);
namespace Libs {
void InitLibKernel_1(Loader::SymbolDatabase *symbols);
void InitSysmodule_1(Loader::SymbolDatabase *symbols);
void InitSystemService_1(Loader::SymbolDatabase *symbols);
void InitAppContent_1(Loader::SymbolDatabase *symbols);
}
namespace Libs::LibAmpr {
@@ -204,6 +206,56 @@ void TestSysmoduleReferences() {
"internal and public module operations share load state");
}
void TestSystemServiceEntitlementEvents() {
Loader::SymbolDatabase symbols;
Libs::InitSystemService_1(&symbols);
Libs::InitAppContent_1(&symbols);
const auto resolve = [&](const char* nid, const char* library, const char* module) {
const auto* symbol = symbols.Find(
{nid, library, 1, module, 1, 1, Loader::SymbolType::Func});
Check(symbol != nullptr, "entitlement event export resolves");
return symbol->vaddr;
};
const auto initialize = reinterpret_cast<int (KYTY_SYSV_ABI *)(const void*, void*)>(
resolve("R9lA82OraNs", "AppContent", "AppContentUtil"));
struct Status {
int32_t event_num;
bool overlay, background, vr;
uint8_t reserved[127];
};
struct Event {
int32_t type;
uint8_t data[8192];
};
static_assert(sizeof(Status) == 136 && sizeof(Event) == 8196);
const auto get_status = reinterpret_cast<int (KYTY_SYSV_ABI *)(Status*)>(
resolve("rPo6tV8D9bM", "SystemService", "SystemService"));
const auto receive = reinterpret_cast<int (KYTY_SYSV_ABI *)(Event*)>(
resolve("656LMQSrg6U", "SystemService", "SystemService"));
Status status {};
Event event {};
Check(get_status(&status) == OK && status.event_num == 0,
"SystemService starts without pending events");
std::array<uint8_t, 32> init {};
std::array<uint8_t, 40> boot {};
Check(initialize(init.data(), boot.data()) == OK,
"AppContent initialization generates an entitlement notification");
Check(get_status(&status) == OK && status.event_num == 1 &&
get_status(&status) == OK && status.event_num == 1,
"status queries preserve pending notifications");
Check(receive(nullptr) == Libs::SystemService::SYSTEM_SERVICE_ERROR_PARAMETER &&
get_status(&status) == OK && status.event_num == 1,
"invalid event output does not consume a notification");
std::memset(&event, 0xff, sizeof(event));
Check(receive(&event) == OK && event.type == 0x10000003 &&
std::all_of(std::begin(event.data), std::end(event.data),
[](uint8_t byte) { return byte == 0; }) &&
get_status(&status) == OK && status.event_num == 0,
"receive delivers the entitlement event with cleared payload exactly once");
Check(receive(&event) == Libs::SystemService::SYSTEM_SERVICE_ERROR_NO_EVENT,
"empty event queue reports NO_EVENT");
}
void TestSaveOpenVisibility() {
constexpr char Path[] = "/savedata0/visible-save.dat";
constexpr char Payload[] = "saved progress";
@@ -1573,6 +1625,7 @@ int main(int, char**) {
TempDirectory temporary;
FileSystem::Initialize();
TestSysmoduleReferences();
TestSystemServiceEntitlementEvents();
TestRandomDevices();
TestFileDescriptorFlags();
CheckMountRoot(temporary.Path());