80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
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// 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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#include "common/common_types.h"
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#include "core/core.h"
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#include "core/mem_map.h"
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#include "core/hle/config_mem.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace SharedPage {
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// helper macro to properly align structure members.
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// Calling INSERT_PADDING_BYTES will add a new member variable with a name like "pad121",
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// depending on the current source line to make sure variable names are unique.
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#define INSERT_PADDING_BYTES_HELPER1(x, y) x ## y
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#define INSERT_PADDING_BYTES_HELPER2(x, y) INSERT_PADDING_BYTES_HELPER1(x, y)
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#define INSERT_PADDING_BYTES(num_words) u8 INSERT_PADDING_BYTES_HELPER2(pad, __LINE__)[(num_words)]
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// see http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
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#pragma pack(1)
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struct DateTime {
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u64 date_time; // 0x0
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u64 update_tick; // 0x8
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INSERT_PADDING_BYTES(0x20 - 0x10); // 0x10
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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 date_time_selector; // 0x0
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u8 running_hw; // 0x4
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u8 mcu_hw_info; // 0x5: don't know what the acronyms mean
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INSERT_PADDING_BYTES(0x20 - 0x6); // 0x6
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DateTime date_time_0; // 0x20
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DateTime date_time_1; // 0x40
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u8 wifi_macaddr[6]; // 0x60
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u8 wifi_unknown1; // 0x66: 3dbrew says these are "Likely wifi hardware related"
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u8 wifi_unknown2; // 0x67
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INSERT_PADDING_BYTES(0x80 - 0x68); // 0x68
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float sliderstate_3d; // 0x80
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u8 ledstate_3d; // 0x84
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INSERT_PADDING_BYTES(0xA0 - 0x85); // 0x85
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u64 menu_title_id; // 0xA0
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u64 active_menu_title_id; // 0xA8
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INSERT_PADDING_BYTES(0x1000 - 0xB0); // 0xB0
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};
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#pragma pack()
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static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
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static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page structure size is wrong");
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static SharedPageDef shared_page;
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template <typename T>
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inline void Read(T &var, const u32 addr) {
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u32 offset = addr - Memory::SHARED_PAGE_VADDR;
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var = *(reinterpret_cast<T*>(((uintptr_t)&shared_page) + offset));
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}
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// Explicitly instantiate template functions because we aren't defining this in the header:
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template void Read<u64>(u64 &var, const u32 addr);
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template void Read<u32>(u32 &var, const u32 addr);
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template void Read<u16>(u16 &var, const u32 addr);
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template void Read<u8>(u8 &var, const u32 addr);
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void Set3DSlider(float amount) {
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shared_page.sliderstate_3d = amount;
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shared_page.ledstate_3d = (amount == 0.0f); // off when non-zero
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}
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void Init() {
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shared_page.running_hw = 0x1; // product
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Set3DSlider(0.0f);
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}
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} // namespace
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