Update time implementation to 9.0.0 (#783)

* Fix 9.0.0 related services bindings

This was wrong because of a mistake on switchbrew.

* Fix wronog cmdid for ISteadyClock::GetTestOffset/SetTestOffset

* Update ClockCore logics to 9.0.0

Also apply 9.0.0 permissions and comment time:u, and time:a (as those
are going to be moved)

* Move every clocks instances + timezone to a global manager

* Start implementing time:m

Also prepare the skeleton of the shared memory

* Implement SystemClockContextUpdateCallback and co

* Update StaticService to 9.0.0

* Update ISystemClock to 9.0.0

* Rename IStaticService and add glue's IStaticService

* Implement psc's ITimeZoneService

* Integrate psc layer into glue for TimeZoneService

* Rename TimeZoneManagerForPsc => TimeZoneManager

* Use correct TimeZoneService interface for both StaticService implementations

* Accurately implement time shared memory operations

* Fix two critical flaws in TimeZone logic

The first one was the month range being different fron Nintendo one
(0-11 instead of 1-12)

The other flaw was a bad incrementation order during days & months
computation.

* Follow Nintendo's abort logic for TimeManager

* Avoid crashing when timezone sysarchive isn't present

* Update Readme

* Address comments

* Correctly align fields in ISystemClock

* Fix code style and some typos

* Improve timezone system archive warning/error messages

* Rearrange using definitions in Horizon.cs

* Address comments

1 files changed, 142 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Time/StaticService/ITimeZoneServiceForGlue.cs b/Ryujinx.HLE/HOS/Services/Time/StaticService/ITimeZoneServiceForGlue.cs
new file mode 100644
index 00000000..7acb0257
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Time/StaticService/ITimeZoneServiceForGlue.cs
@@ -0,0 +1,142 @@
+using ARMeilleure.Memory;
+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.HOS.Services.Time.TimeZone;
+using System;
+using System.Text;
+
+namespace Ryujinx.HLE.HOS.Services.Time.StaticService
+{
+    class ITimeZoneServiceForGlue : IpcService
+    {
+        private TimeZoneContentManager _timeZoneContentManager;
+        private ITimeZoneServiceForPsc _inner;
+        private bool                   _writePermission;
+
+        public ITimeZoneServiceForGlue(TimeZoneContentManager timeZoneContentManager, bool writePermission)
+        {
+            _timeZoneContentManager = timeZoneContentManager;
+            _writePermission        = writePermission;
+            _inner                  = new ITimeZoneServiceForPsc(timeZoneContentManager.Manager, writePermission);
+        }
+
+        [Command(0)]
+        // GetDeviceLocationName() -> nn::time::LocationName
+        public ResultCode GetDeviceLocationName(ServiceCtx context)
+        {
+            return _inner.GetDeviceLocationName(context);
+        }
+
+        [Command(1)]
+        // SetDeviceLocationName(nn::time::LocationName)
+        public ResultCode SetDeviceLocationName(ServiceCtx context)
+        {
+            if (!_writePermission)
+            {
+                return ResultCode.PermissionDenied;
+            }
+
+            string locationName = Encoding.ASCII.GetString(context.RequestData.ReadBytes(0x24)).TrimEnd('\0');
+
+            return _timeZoneContentManager.SetDeviceLocationName(locationName);
+        }
+
+        [Command(2)]
+        // GetTotalLocationNameCount() -> u32
+        public ResultCode GetTotalLocationNameCount(ServiceCtx context)
+        {
+            return _inner.GetTotalLocationNameCount(context);
+        }
+
+        [Command(3)]
+        // LoadLocationNameList(u32 index) -> (u32 outCount, buffer<nn::time::LocationName, 6>)
+        public ResultCode LoadLocationNameList(ServiceCtx context)
+        {
+            uint index          = context.RequestData.ReadUInt32();
+            long bufferPosition = context.Request.ReceiveBuff[0].Position;
+            long bufferSize     = context.Request.ReceiveBuff[0].Size;
+
+            ResultCode errorCode = _timeZoneContentManager.LoadLocationNameList(index, out string[] locationNameArray, (uint)bufferSize / 0x24);
+
+            if (errorCode == 0)
+            {
+                uint offset = 0;
+
+                foreach (string locationName in locationNameArray)
+                {
+                    int padding = 0x24 - locationName.Length;
+
+                    if (padding < 0)
+                    {
+                        return ResultCode.LocationNameTooLong;
+                    }
+
+                    context.Memory.WriteBytes(bufferPosition + offset, Encoding.ASCII.GetBytes(locationName));
+                    MemoryHelper.FillWithZeros(context.Memory, bufferPosition + offset + locationName.Length, padding);
+
+                    offset += 0x24;
+                }
+
+                context.ResponseData.Write((uint)locationNameArray.Length);
+            }
+
+            return errorCode;
+        }
+
+        [Command(4)]
+        // LoadTimeZoneRule(nn::time::LocationName locationName) -> buffer<nn::time::TimeZoneRule, 0x16>
+        public ResultCode LoadTimeZoneRule(ServiceCtx context)
+        {
+            long bufferPosition = context.Request.ReceiveBuff[0].Position;
+            long bufferSize     = context.Request.ReceiveBuff[0].Size;
+
+            if (bufferSize != 0x4000)
+            {
+                // TODO: find error code here
+                Logger.PrintError(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{bufferSize:x} (expected 0x4000)");
+
+                throw new InvalidOperationException();
+            }
+
+            string locationName = Encoding.ASCII.GetString(context.RequestData.ReadBytes(0x24)).TrimEnd('\0');
+
+            ResultCode resultCode = _timeZoneContentManager.LoadTimeZoneRule(out TimeZoneRule rules, locationName);
+
+            // Write TimeZoneRule if success
+            if (resultCode == ResultCode.Success)
+            {
+                MemoryHelper.Write(context.Memory, bufferPosition, rules);
+            }
+
+            return resultCode;
+        }
+
+        [Command(100)]
+        // ToCalendarTime(nn::time::PosixTime time, buffer<nn::time::TimeZoneRule, 0x15> rules) -> (nn::time::CalendarTime, nn::time::sf::CalendarAdditionalInfo)
+        public ResultCode ToCalendarTime(ServiceCtx context)
+        {
+            return _inner.ToCalendarTime(context);
+        }
+
+        [Command(101)]
+        // ToCalendarTimeWithMyRule(nn::time::PosixTime) -> (nn::time::CalendarTime, nn::time::sf::CalendarAdditionalInfo)
+        public ResultCode ToCalendarTimeWithMyRule(ServiceCtx context)
+        {
+            return _inner.ToCalendarTimeWithMyRule(context);
+        }
+
+        [Command(201)]
+        // ToPosixTime(nn::time::CalendarTime calendarTime, buffer<nn::time::TimeZoneRule, 0x15> rules) -> (u32 outCount, buffer<nn::time::PosixTime, 0xa>)
+        public ResultCode ToPosixTime(ServiceCtx context)
+        {
+            return _inner.ToPosixTime(context);
+        }
+
+        [Command(202)]
+        // ToPosixTimeWithMyRule(nn::time::CalendarTime calendarTime) -> (u32 outCount, buffer<nn::time::PosixTime, 0xa>)
+        public ResultCode ToPosixTimeWithMyRule(ServiceCtx context)
+        {
+            return _inner.ToPosixTimeWithMyRule(context);
+        }
+    }
+}
\ No newline at end of file