mirror of
https://github.com/citra-emu/citra.git
synced 2024-11-27 19:50:05 +00:00
137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
// Copyright 2015 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
/**
|
|
* The shared page stores various runtime configuration settings. This memory page is
|
|
* read-only for user processes (there is a bit in the header that grants the process
|
|
* write access, according to 3dbrew; this is not emulated)
|
|
*/
|
|
|
|
#include <chrono>
|
|
#include <ctime>
|
|
#include <memory>
|
|
#include <boost/serialization/binary_object.hpp>
|
|
#include <boost/serialization/export.hpp>
|
|
#include "common/bit_field.h"
|
|
#include "common/common_funcs.h"
|
|
#include "common/common_types.h"
|
|
#include "common/memory_ref.h"
|
|
#include "common/swap.h"
|
|
#include "core/memory.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace Core {
|
|
struct TimingEventType;
|
|
class Timing;
|
|
} // namespace Core
|
|
|
|
namespace SharedPage {
|
|
|
|
// See http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
|
|
|
|
struct DateTime {
|
|
u64_le date_time; // 0
|
|
u64_le update_tick; // 8
|
|
u64_le tick_to_second_coefficient; // 10
|
|
u64_le tick_offset; // 18
|
|
};
|
|
static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
|
|
|
|
union BatteryState {
|
|
u8 raw;
|
|
BitField<0, 1, u8> is_adapter_connected;
|
|
BitField<1, 1, u8> is_charging;
|
|
BitField<2, 3, u8> charge_level;
|
|
};
|
|
|
|
using MacAddress = std::array<u8, 6>;
|
|
|
|
// Default MAC address in the Nintendo 3DS range
|
|
constexpr MacAddress DefaultMac = {0x40, 0xF4, 0x07, 0x00, 0x00, 0x00};
|
|
|
|
enum class WifiLinkLevel : u8 {
|
|
OFF = 0,
|
|
POOR = 1,
|
|
GOOD = 2,
|
|
BEST = 3,
|
|
};
|
|
|
|
struct SharedPageDef {
|
|
// Most of these names are taken from the 3dbrew page linked above.
|
|
u32_le date_time_counter; // 0
|
|
u8 running_hw; // 4
|
|
/// "Microcontroller hardware info"
|
|
u8 mcu_hw_info; // 5
|
|
INSERT_PADDING_BYTES(0x20 - 0x6); // 6
|
|
DateTime date_time_0; // 20
|
|
DateTime date_time_1; // 40
|
|
u8 wifi_macaddr[6]; // 60
|
|
u8 wifi_link_level; // 66
|
|
u8 wifi_unknown2; // 67
|
|
INSERT_PADDING_BYTES(0x80 - 0x68); // 68
|
|
float_le sliderstate_3d; // 80
|
|
u8 ledstate_3d; // 84
|
|
BatteryState battery_state; // 85
|
|
u8 unknown_value; // 86
|
|
INSERT_PADDING_BYTES(0xA0 - 0x87); // 87
|
|
u64_le menu_title_id; // A0
|
|
u64_le active_menu_title_id; // A8
|
|
INSERT_PADDING_BYTES(0x1000 - 0xB0); // B0
|
|
};
|
|
static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE,
|
|
"Shared page structure size is wrong");
|
|
|
|
class Handler : public BackingMem {
|
|
public:
|
|
Handler(Core::Timing& timing);
|
|
|
|
void SetMacAddress(const MacAddress&);
|
|
|
|
void SetWifiLinkLevel(WifiLinkLevel);
|
|
|
|
void Set3DLed(u8);
|
|
|
|
void Set3DSlider(float);
|
|
|
|
SharedPageDef& GetSharedPage();
|
|
|
|
virtual u8* GetPtr() {
|
|
return static_cast<u8*>(static_cast<void*>(&shared_page));
|
|
}
|
|
|
|
virtual u32 GetSize() const {
|
|
return sizeof(shared_page);
|
|
}
|
|
|
|
private:
|
|
u64 GetSystemTime() const;
|
|
void UpdateTimeCallback(u64 userdata, int cycles_late);
|
|
Core::Timing& timing;
|
|
Core::TimingEventType* update_time_event;
|
|
std::chrono::seconds init_time;
|
|
|
|
SharedPageDef shared_page;
|
|
|
|
template <class Archive>
|
|
void serialize(Archive& ar, const unsigned int) {
|
|
ar& boost::serialization::base_object<BackingMem>(*this);
|
|
ar& boost::serialization::make_binary_object(&shared_page, sizeof(shared_page));
|
|
}
|
|
friend class boost::serialization::access;
|
|
};
|
|
|
|
} // namespace SharedPage
|
|
|
|
namespace boost::serialization {
|
|
|
|
template <class Archive>
|
|
void load_construct_data(Archive& ar, SharedPage::Handler* t, const unsigned int);
|
|
|
|
} // namespace boost::serialization
|
|
|
|
BOOST_CLASS_EXPORT_KEY(SharedPage::Handler)
|