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https://github.com/yuzu-emu/yuzu.git
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19dc36ce06
This PR attempts to implement the shared memory provided by GetSharedMemoryNativeHandle. There is still more work to be done however that requires a rehaul of the current time module to handle clock contexts. This PR is mainly to get the basic functionality of the SharedMemory working and allow the use of addition to it whilst things get improved on. Things to note: Memory Barriers are used in the SharedMemory and a better solution would need to be done to implement this. Currently in this PR I’m faking the memory barriers as everything is sync and single threaded. They work by incrementing the counter and just populate the two data slots. On data reading, it will read the last added data. Specific values in the shared memory would need to be updated periodically. This isn't included in this PR since we don't actively do this yet. In a later PR when time is refactored this should be done. Finally, as we don't handle clock contexts. When time is refactored, we will need to update the shared memory for specific contexts. This PR does this already however since the contexts are all identical and not separated. We're just updating the same values for each context which in this case is empty. Tiime:SetStandardUserSystemClockAutomaticCorrectionEnabled, Time:IsStandardUserSystemClockAutomaticCorrectionEnabled are also partially implemented in this PR. The reason the implementation is partial is because once again, a lack of clock contexts. This will be improved on in a future PR. This PR closes issue #2556
106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include "common/common_funcs.h"
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#include "core/hle/service/service.h"
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namespace Service::Time {
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class SharedMemory;
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struct LocationName {
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std::array<u8, 0x24> name;
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};
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static_assert(sizeof(LocationName) == 0x24, "LocationName is incorrect size");
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struct CalendarTime {
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u16_le year;
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u8 month; // Starts at 1
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u8 day; // Starts at 1
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u8 hour;
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u8 minute;
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u8 second;
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};
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static_assert(sizeof(CalendarTime) == 0x8, "CalendarTime structure has incorrect size");
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struct CalendarAdditionalInfo {
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u32_le day_of_week;
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u32_le day_of_year;
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std::array<u8, 8> name;
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u8 is_dst;
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s32_le utc_offset;
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};
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static_assert(sizeof(CalendarAdditionalInfo) == 0x18,
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"CalendarAdditionalInfo structure has incorrect size");
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// TODO(mailwl) RE this structure
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struct TimeZoneRule {
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INSERT_PADDING_BYTES(0x4000);
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};
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struct SteadyClockTimePoint {
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using SourceID = std::array<u8, 16>;
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u64_le value;
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SourceID source_id;
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};
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static_assert(sizeof(SteadyClockTimePoint) == 0x18, "SteadyClockTimePoint is incorrect size");
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struct SystemClockContext {
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u64_le offset;
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SteadyClockTimePoint time_point;
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};
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static_assert(sizeof(SystemClockContext) == 0x20,
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"SystemClockContext structure has incorrect size");
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struct ClockSnapshot {
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SystemClockContext user_clock_context;
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SystemClockContext network_clock_context;
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s64_le system_posix_time;
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s64_le network_posix_time;
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CalendarTime system_calendar_time;
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CalendarTime network_calendar_time;
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CalendarAdditionalInfo system_calendar_info;
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CalendarAdditionalInfo network_calendar_info;
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SteadyClockTimePoint steady_clock_timepoint;
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LocationName location_name;
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u8 clock_auto_adjustment_enabled;
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u8 type;
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u8 version;
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INSERT_PADDING_BYTES(1);
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};
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static_assert(sizeof(ClockSnapshot) == 0xd0, "ClockSnapshot is an invalid size");
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class Module final {
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public:
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class Interface : public ServiceFramework<Interface> {
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public:
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explicit Interface(std::shared_ptr<Module> time,
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std::shared_ptr<SharedMemory> shared_memory, const char* name);
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~Interface() override;
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void GetStandardUserSystemClock(Kernel::HLERequestContext& ctx);
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void GetStandardNetworkSystemClock(Kernel::HLERequestContext& ctx);
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void GetStandardSteadyClock(Kernel::HLERequestContext& ctx);
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void GetTimeZoneService(Kernel::HLERequestContext& ctx);
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void GetStandardLocalSystemClock(Kernel::HLERequestContext& ctx);
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void GetClockSnapshot(Kernel::HLERequestContext& ctx);
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void CalculateStandardUserSystemClockDifferenceByUser(Kernel::HLERequestContext& ctx);
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void GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx);
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void IsStandardUserSystemClockAutomaticCorrectionEnabled(Kernel::HLERequestContext& ctx);
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void SetStandardUserSystemClockAutomaticCorrectionEnabled(Kernel::HLERequestContext& ctx);
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protected:
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std::shared_ptr<Module> time;
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std::shared_ptr<SharedMemory> shared_memory;
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};
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};
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/// Registers all Time services with the specified service manager.
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void InstallInterfaces(Core::System& system);
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} // namespace Service::Time
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