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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <chrono>
#include <cstring>
#include <boost/serialization/base_object.hpp>
#include <boost/serialization/binary_object.hpp>
#include "common/archives.h"
#include "common/assert.h"
#include "common/settings.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/shared_page.h"
#include "core/hle/service/ptm/ptm.h"
#include "core/movie.h"
SERIALIZE_EXPORT_IMPL(SharedPage::Handler)
namespace boost::serialization {
template <class Archive>
void load_construct_data(Archive& ar, SharedPage::Handler* t, const unsigned int) {
::new (t) SharedPage::Handler(Core::System::GetInstance().CoreTiming(),
Core::System::GetInstance().Movie().GetOverrideInitTime());
}
template void load_construct_data<iarchive>(iarchive& ar, SharedPage::Handler* t,
const unsigned int);
} // namespace boost::serialization
namespace SharedPage {
static std::chrono::seconds GetInitTime(u64 override_init_time) {
if (override_init_time != 0) {
// Override the clock init time with the one in the movie
return std::chrono::seconds(override_init_time);
}
switch (Settings::values.init_clock.GetValue()) {
case Settings::InitClock::SystemTime: {
auto now = std::chrono::system_clock::now();
// If the system time is in daylight saving, we give an additional hour to console time
std::time_t now_time_t = std::chrono::system_clock::to_time_t(now);
std::tm* now_tm = std::localtime(&now_time_t);
if (now_tm && now_tm->tm_isdst > 0)
now = now + std::chrono::hours(1);
// add the offset
s64 init_time_offset = Settings::values.init_time_offset.GetValue();
long long days_offset = init_time_offset / 86400;
long long days_offset_in_seconds = days_offset * 86400; // h/m/s truncated
unsigned long long seconds_offset =
std::abs(init_time_offset) - std::abs(days_offset_in_seconds);
now = now + std::chrono::seconds(seconds_offset);
now = now + std::chrono::seconds(days_offset_in_seconds);
return std::chrono::duration_cast<std::chrono::seconds>(now.time_since_epoch());
}
case Settings::InitClock::FixedTime:
return std::chrono::seconds(Settings::values.init_time.GetValue());
default:
UNREACHABLE_MSG("Invalid InitClock value ({})", Settings::values.init_clock.GetValue());
}
}
Handler::Handler(Core::Timing& timing, u64 override_init_time) : timing(timing) {
std::memset(&shared_page, 0, sizeof(shared_page));
shared_page.running_hw = 0x1; // product
// Some games wait until this value becomes 0x1, before asking running_hw
shared_page.unknown_value = 0x1;
// Set to a completely full battery
shared_page.battery_state.charge_level.Assign(
static_cast<u8>(Service::PTM::ChargeLevels::CompletelyFull));
shared_page.battery_state.is_adapter_connected.Assign(1);
shared_page.battery_state.is_charging.Assign(1);
init_time = GetInitTime(override_init_time);
using namespace std::placeholders;
update_time_event = timing.RegisterEvent("SharedPage::UpdateTimeCallback",
std::bind(&Handler::UpdateTimeCallback, this, _1, _2));
timing.ScheduleEvent(0, update_time_event, 0, 0);
float slidestate = Settings::values.factor_3d.GetValue() / 100.0f;
shared_page.sliderstate_3d = static_cast<float_le>(slidestate);
// TODO(PabloMK7)
// Set wifi state to internet, to fake a connection from the NDM service.
// Remove once it is figured out how NDM uses AC to connect at console boot.
SetWifiLinkLevel(WifiLinkLevel::Best);
SetWifiState(WifiState::Internet);
}
u64 Handler::GetSystemTimeSince2000() const {
std::chrono::milliseconds now =
init_time + std::chrono::duration_cast<std::chrono::milliseconds>(timing.GetGlobalTimeUs());
// 3DS system does't allow user to set a time before Jan 1 2000,
// so we use it as an auxiliary epoch to calculate the console time.
std::tm epoch_tm;
epoch_tm.tm_sec = 0;
epoch_tm.tm_min = 0;
epoch_tm.tm_hour = 0;
epoch_tm.tm_mday = 1;
epoch_tm.tm_mon = 0;
epoch_tm.tm_year = 100;
epoch_tm.tm_isdst = 0;
s64 epoch = std::mktime(&epoch_tm) * 1000;
// Only when system time is after 2000, we set it as 3DS system time
if (now.count() > epoch) {
return now.count() - epoch;
} else {
return 0;
}
}
u64 Handler::GetSystemTimeSince1900() const {
// 3DS console time uses Jan 1 1900 as internal epoch,
// so we use the milliseconds between 1900 and 2000 as base console time
return 3155673600000ULL + GetSystemTimeSince2000();
}
void Handler::UpdateTimeCallback(std::uintptr_t user_data, int cycles_late) {
DateTime& date_time =
shared_page.date_time_counter % 2 ? shared_page.date_time_0 : shared_page.date_time_1;
date_time.date_time = GetSystemTimeSince1900();
date_time.update_tick = timing.GetTicks();
date_time.tick_to_second_coefficient = BASE_CLOCK_RATE_ARM11;
date_time.tick_offset = 0;
++shared_page.date_time_counter;
// system time is updated hourly
timing.ScheduleEvent(msToCycles(60 * 60 * 1000) - cycles_late, update_time_event);
}
void Handler::SetMacAddress(const MacAddress& addr) {
std::memcpy(shared_page.wifi_macaddr, addr.data(), sizeof(MacAddress));
}
MacAddress Handler::GetMacAddress() {
MacAddress addr;
std::memcpy(addr.data(), shared_page.wifi_macaddr, sizeof(MacAddress));
return addr;
}
void Handler::SetWifiLinkLevel(WifiLinkLevel level) {
shared_page.wifi_link_level = static_cast<u8>(level);
}
WifiLinkLevel Handler::GetWifiLinkLevel() {
return static_cast<WifiLinkLevel>(shared_page.wifi_link_level);
}
void Handler::SetWifiState(WifiState state) {
shared_page.wifi_state = static_cast<u8>(state);
}
void Handler::Set3DLed(u8 state) {
shared_page.ledstate_3d = state;
}
void Handler::Set3DSlider(float slidestate) {
shared_page.sliderstate_3d = static_cast<float_le>(slidestate);
}
SharedPageDef& Handler::GetSharedPage() {
return shared_page;
}
template <class Archive>
void Handler::serialize(Archive& ar, const unsigned int) {
ar& boost::serialization::base_object<BackingMem>(*this);
ar& boost::serialization::make_binary_object(&shared_page, sizeof(shared_page));
}
SERIALIZE_IMPL(Handler)
} // namespace SharedPage
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