From 4f78f5c0df0a106cab891c7f7229563e7f5a69e1 Mon Sep 17 00:00:00 2001
From: David Marcec <dmarcecguzman@gmail.com>
Date: Sat, 10 Nov 2018 01:25:56 +1100
Subject: [PATCH] Implement GetClockSnapshot
Needed by megaman 11
---
src/core/hle/service/time/interface.cpp | 2 +-
src/core/hle/service/time/time.cpp | 89 +++++++++++++++++++------
src/core/hle/service/time/time.h | 18 +++++
3 files changed, 88 insertions(+), 21 deletions(-)
diff --git a/src/core/hle/service/time/interface.cpp b/src/core/hle/service/time/interface.cpp
index 18a5d71d57..e3cbd70044 100644
--- a/src/core/hle/service/time/interface.cpp
+++ b/src/core/hle/service/time/interface.cpp
@@ -21,7 +21,7 @@ Time::Time(std::shared_ptr<Module> time, const char* name)
{102, nullptr, "GetStandardUserSystemClockInitialYear"},
{200, nullptr, "IsStandardNetworkSystemClockAccuracySufficient"},
{300, nullptr, "CalculateMonotonicSystemClockBaseTimePoint"},
- {400, nullptr, "GetClockSnapshot"},
+ {400, &Time::GetClockSnapshot, "GetClockSnapshot"},
{401, nullptr, "GetClockSnapshotFromSystemClockContext"},
{500, nullptr, "CalculateStandardUserSystemClockDifferenceByUser"},
{501, nullptr, "CalculateSpanBetween"},
diff --git a/src/core/hle/service/time/time.cpp b/src/core/hle/service/time/time.cpp
index 28fd8debcd..dc504eaac1 100644
--- a/src/core/hle/service/time/time.cpp
+++ b/src/core/hle/service/time/time.cpp
@@ -15,6 +15,26 @@
namespace Service::Time {
+void PosixToCalendar(u64 posix_time, CalendarTime& calendar_time,
+ CalendarAdditionalInfo& additional_info, const TimeZoneRule& /*rule*/) {
+ std::time_t time(posix_time);
+ std::tm* tm = std::localtime(&time);
+ if (tm == nullptr) {
+ return;
+ }
+ calendar_time.year = tm->tm_year + 1900;
+ calendar_time.month = tm->tm_mon + 1;
+ calendar_time.day = tm->tm_mday;
+ calendar_time.hour = tm->tm_hour;
+ calendar_time.minute = tm->tm_min;
+ calendar_time.second = tm->tm_sec;
+
+ additional_info.day_of_week = tm->tm_wday;
+ additional_info.day_of_year = tm->tm_yday;
+ std::memcpy(additional_info.name.data(), "UTC", sizeof("UTC"));
+ additional_info.utc_offset = 0;
+}
+
class ISystemClock final : public ServiceFramework<ISystemClock> {
public:
ISystemClock() : ServiceFramework("ISystemClock") {
@@ -150,26 +170,6 @@ private:
rb.PushRaw(calendar_time);
rb.PushRaw(additional_info);
}
-
- void PosixToCalendar(u64 posix_time, CalendarTime& calendar_time,
- CalendarAdditionalInfo& additional_info, const TimeZoneRule& /*rule*/) {
- std::time_t t(posix_time);
- std::tm* tm = std::localtime(&t);
- if (!tm) {
- return;
- }
- calendar_time.year = tm->tm_year + 1900;
- calendar_time.month = tm->tm_mon + 1;
- calendar_time.day = tm->tm_mday;
- calendar_time.hour = tm->tm_hour;
- calendar_time.minute = tm->tm_min;
- calendar_time.second = tm->tm_sec;
-
- additional_info.day_of_week = tm->tm_wday;
- additional_info.day_of_year = tm->tm_yday;
- std::memcpy(additional_info.name.data(), "UTC", sizeof("UTC"));
- additional_info.utc_offset = 0;
- }
};
void Module::Interface::GetStandardUserSystemClock(Kernel::HLERequestContext& ctx) {
@@ -207,6 +207,55 @@ void Module::Interface::GetStandardLocalSystemClock(Kernel::HLERequestContext& c
LOG_DEBUG(Service_Time, "called");
}
+void Module::Interface::GetClockSnapshot(Kernel::HLERequestContext& ctx) {
+ LOG_DEBUG(Service_Time, "called");
+
+ IPC::RequestParser rp{ctx};
+ auto unknown_u8 = rp.PopRaw<u8>();
+
+ ClockSnapshot clock_snapshot{};
+
+ const s64 time_since_epoch{std::chrono::duration_cast<std::chrono::seconds>(
+ std::chrono::system_clock::now().time_since_epoch())
+ .count()};
+ CalendarTime calendar_time{};
+ std::time_t time(time_since_epoch);
+ std::tm* tm = std::localtime(&time);
+ if (tm == nullptr) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(ResultCode(-1)); // TODO(ogniK): Find appropriate error code
+ return;
+ }
+ SteadyClockTimePoint steady_clock_time_point{CoreTiming::cyclesToMs(CoreTiming::GetTicks()) /
+ 1000};
+
+ LocationName location_name{"UTC"};
+ calendar_time.year = tm->tm_year + 1900;
+ calendar_time.month = tm->tm_mon + 1;
+ calendar_time.day = tm->tm_mday;
+ calendar_time.hour = tm->tm_hour;
+ calendar_time.minute = tm->tm_min;
+ calendar_time.second = tm->tm_sec;
+ clock_snapshot.system_posix_time = time_since_epoch;
+ clock_snapshot.network_posix_time = time_since_epoch;
+ clock_snapshot.system_calendar_time = calendar_time;
+ clock_snapshot.network_calendar_time = calendar_time;
+
+ CalendarAdditionalInfo additional_info{};
+ PosixToCalendar(time_since_epoch, calendar_time, additional_info, {});
+
+ clock_snapshot.system_calendar_info = additional_info;
+ clock_snapshot.network_calendar_info = additional_info;
+
+ clock_snapshot.steady_clock_timepoint = steady_clock_time_point;
+ clock_snapshot.location_name = location_name;
+ clock_snapshot.clock_auto_adjustment_enabled = 1;
+ clock_snapshot.ipc_u8 = unknown_u8;
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(RESULT_SUCCESS);
+ ctx.WriteBuffer(&clock_snapshot, sizeof(ClockSnapshot));
+}
+
Module::Interface::Interface(std::shared_ptr<Module> time, const char* name)
: ServiceFramework(name), time(std::move(time)) {}
diff --git a/src/core/hle/service/time/time.h b/src/core/hle/service/time/time.h
index 5659ecad38..ca30ec60fe 100644
--- a/src/core/hle/service/time/time.h
+++ b/src/core/hle/service/time/time.h
@@ -53,6 +53,23 @@ struct SystemClockContext {
static_assert(sizeof(SystemClockContext) == 0x20,
"SystemClockContext structure has incorrect size");
+struct ClockSnapshot {
+ SystemClockContext user_clock_context;
+ SystemClockContext network_clock_context;
+ s64_le system_posix_time;
+ s64_le network_posix_time;
+ CalendarTime system_calendar_time;
+ CalendarTime network_calendar_time;
+ CalendarAdditionalInfo system_calendar_info;
+ CalendarAdditionalInfo network_calendar_info;
+ SteadyClockTimePoint steady_clock_timepoint;
+ LocationName location_name;
+ u8 clock_auto_adjustment_enabled;
+ u8 ipc_u8;
+ INSERT_PADDING_BYTES(2);
+};
+static_assert(sizeof(ClockSnapshot) == 0xd0, "ClockSnapshot is an invalid size");
+
class Module final {
public:
class Interface : public ServiceFramework<Interface> {
@@ -65,6 +82,7 @@ public:
void GetStandardSteadyClock(Kernel::HLERequestContext& ctx);
void GetTimeZoneService(Kernel::HLERequestContext& ctx);
void GetStandardLocalSystemClock(Kernel::HLERequestContext& ctx);
+ void GetClockSnapshot(Kernel::HLERequestContext& ctx);
protected:
std::shared_ptr<Module> time;
--
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