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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/common_types.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/hle/config_mem.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace SharedPage {
// helper macro to properly align structure members.
// Calling INSERT_PADDING_BYTES will add a new member variable with a name like "pad121",
// depending on the current source line to make sure variable names are unique.
#define INSERT_PADDING_BYTES_HELPER1(x, y) x ## y
#define INSERT_PADDING_BYTES_HELPER2(x, y) INSERT_PADDING_BYTES_HELPER1(x, y)
#define INSERT_PADDING_BYTES(num_words) u8 INSERT_PADDING_BYTES_HELPER2(pad, __LINE__)[(num_words)]
// see http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
#pragma pack(1)
struct DateTime {
u64 date_time; // 0x0
u64 update_tick; // 0x8
INSERT_PADDING_BYTES(0x20 - 0x10); // 0x10
};
struct SharedPageDef {
// most of these names are taken from the 3dbrew page linked above.
u32 date_time_selector; // 0x0
u8 running_hw; // 0x4
u8 mcu_hw_info; // 0x5: don't know what the acronyms mean
INSERT_PADDING_BYTES(0x20 - 0x6); // 0x6
DateTime date_time_0; // 0x20
DateTime date_time_1; // 0x40
u8 wifi_macaddr[6]; // 0x60
u8 wifi_unknown1; // 0x66: 3dbrew says these are "Likely wifi hardware related"
u8 wifi_unknown2; // 0x67
INSERT_PADDING_BYTES(0x80 - 0x68); // 0x68
float sliderstate_3d; // 0x80
u8 ledstate_3d; // 0x84
INSERT_PADDING_BYTES(0xA0 - 0x85); // 0x85
u64 menu_title_id; // 0xA0
u64 active_menu_title_id; // 0xA8
INSERT_PADDING_BYTES(0x1000 - 0xB0); // 0xB0
};
#pragma pack()
static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page structure size is wrong");
static SharedPageDef shared_page;
template <typename T>
inline void Read(T &var, const u32 addr) {
u32 offset = addr - Memory::SHARED_PAGE_VADDR;
var = *(reinterpret_cast<T*>(((uintptr_t)&shared_page) + offset));
}
// Explicitly instantiate template functions because we aren't defining this in the header:
template void Read<u64>(u64 &var, const u32 addr);
template void Read<u32>(u32 &var, const u32 addr);
template void Read<u16>(u16 &var, const u32 addr);
template void Read<u8>(u8 &var, const u32 addr);
void Set3DSlider(float amount) {
shared_page.sliderstate_3d = amount;
shared_page.ledstate_3d = (amount == 0.0f); // off when non-zero
}
void Init() {
shared_page.running_hw = 0x1; // product
Set3DSlider(0.0f);
}
} // namespace
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