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b20607dfc6
* Add setting to switch between a fixed start time and the system time Add clock settings to SDL Make clock configureable in qt Add a SharedPage handler class Init shared_page_handler for tests
105 lines
3 KiB
C++
105 lines
3 KiB
C++
// Copyright 2015 Citra Emulator Project
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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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/**
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* The shared page stores various runtime configuration settings. This memory page is
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* read-only for user processes (there is a bit in the header that grants the process
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* write access, according to 3dbrew; this is not emulated)
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*/
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#include <chrono>
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#include <ctime>
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#include <memory>
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/memory.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace CoreTiming {
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struct EventType;
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}
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namespace SharedPage {
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// See http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
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struct DateTime {
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u64_le date_time; // 0
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u64_le update_tick; // 8
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u64_le tick_to_second_coefficient; // 10
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u64_le tick_offset; // 18
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};
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static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
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union BatteryState {
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u8 raw;
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BitField<0, 1, u8> is_adapter_connected;
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BitField<1, 1, u8> is_charging;
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BitField<2, 3, u8> charge_level;
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};
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using MacAddress = std::array<u8, 6>;
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// Default MAC address in the Nintendo 3DS range
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constexpr MacAddress DefaultMac = {0x40, 0xF4, 0x07, 0x00, 0x00, 0x00};
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enum class WifiLinkLevel : u8 {
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OFF = 0,
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POOR = 1,
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GOOD = 2,
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BEST = 3,
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};
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struct SharedPageDef {
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// Most of these names are taken from the 3dbrew page linked above.
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u32_le date_time_counter; // 0
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u8 running_hw; // 4
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/// "Microcontroller hardware info"
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u8 mcu_hw_info; // 5
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INSERT_PADDING_BYTES(0x20 - 0x6); // 6
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DateTime date_time_0; // 20
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DateTime date_time_1; // 40
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u8 wifi_macaddr[6]; // 60
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u8 wifi_link_level; // 66
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u8 wifi_unknown2; // 67
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INSERT_PADDING_BYTES(0x80 - 0x68); // 68
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float_le sliderstate_3d; // 80
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u8 ledstate_3d; // 84
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BatteryState battery_state; // 85
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u8 unknown_value; // 86
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INSERT_PADDING_BYTES(0xA0 - 0x87); // 87
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u64_le menu_title_id; // A0
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u64_le active_menu_title_id; // A8
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INSERT_PADDING_BYTES(0x1000 - 0xB0); // B0
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};
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static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE,
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"Shared page structure size is wrong");
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class Handler {
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public:
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Handler();
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void SetMacAddress(const MacAddress&);
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void SetWifiLinkLevel(WifiLinkLevel);
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void Set3DLed(u8);
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SharedPageDef& GetSharedPage();
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private:
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u64 GetSystemTime() const;
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void UpdateTimeCallback(u64 userdata, int cycles_late);
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CoreTiming::EventType* update_time_event;
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std::chrono::seconds init_time;
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SharedPageDef shared_page;
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};
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} // namespace SharedPage
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