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[common] autogenerate unique console serial for every install (#3550)

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3550
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: DraVee <dravee@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
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lizzie 2026-02-15 04:11:39 +01:00 • committed by crueter
parent e3035ae8f2
commit 75ebfaa090
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5 changed files with 89 additions and 33 deletions
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83
src/core/hle/service/set/system_settings_server.cpp
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
@ -980,25 +980,82 @@ Result ISystemSettingsServer::SetPrimaryAlbumStorage(PrimaryAlbumStorage primary
R_SUCCEED();
}
static void Fill3DS_CRC(u32 d, char* data) {
std::array<u8, 10> digits = {
u8((d / 1000000000) % 100),
u8((d / 100000000) % 10),
u8((d / 10000000) % 10),
u8((d / 1000000) % 10),
u8((d / 100000) % 10),
u8((d / 10000) % 10),
u8((d / 1000) % 10),
u8((d / 100) % 10),
u8((d / 10) % 10),
u8(d % 10),
};
// Normalize to retail values
std::array<u8, 4> retail_digits = { 1, 4, 5, 7 };
digits[0] = retail_digits[(d % 10) % 4];
digits[1] = 0;
//
for (size_t i = 0; i < sizeof(digits); ++i)
data[i] = char(digits[i] + '0');
u8 sum_odd = 0, sum_even = 0;
for (size_t i = 0; i < sizeof(digits); i += 2) {
sum_odd += digits[i + 0];
sum_even += digits[i + 1];
}
u8 sum_digit = u8(((sum_even * 3) + sum_odd) % 10);
if (sum_digit != 0)
sum_digit = 10 - sum_digit;
data[sizeof(digits)] = char(sum_digit + '0');
}
Result ISystemSettingsServer::GetBatteryLot(Out<BatteryLot> out_battery_lot) {
LOG_INFO(Service_SET, "called");
*out_battery_lot = {"YUZU0EMULATOR14022024"};
if (auto const s = ::Settings::values.serial_battery.GetValue(); !s.empty()) {
auto const max_size = out_battery_lot->lot_number.size();
auto const end = s.size() > max_size ? s.begin() + max_size : s.end();
std::copy(s.begin(), end, out_battery_lot->lot_number.begin());
}
*out_battery_lot = []{
u32 d = ::Settings::values.serial_battery.GetValue();
BatteryLot c{};
c.lot_number[0] = 'B';
c.lot_number[1] = 'H';
c.lot_number[2] = 'A';
c.lot_number[3] = 'C';
// TODO: I have no fucking idea what the letters mean
c.lot_number[4] = 'H';
c.lot_number[5] = 'Z';
c.lot_number[6] = 'Z';
c.lot_number[7] = 'A';
c.lot_number[8] = 'D';
c.lot_number[9] = char(((d / 100000) % 26) + 'A');
Fill3DS_CRC(d, c.lot_number.data() + 10);
return c;
}();
R_SUCCEED();
}
Result ISystemSettingsServer::GetSerialNumber(Out<SerialNumber> out_console_serial) {
LOG_INFO(Service_SET, "called");
*out_console_serial = {"YUZ10000000001"};
if (auto const s = ::Settings::values.serial_unit.GetValue(); !s.empty()) {
auto const max_size = out_console_serial->serial_number.size();
auto const end = s.size() > max_size ? s.begin() + max_size : s.end();
std::copy(s.begin(), end, out_console_serial->serial_number.begin());
}
*out_console_serial = []{
u32 d = ::Settings::values.serial_unit.GetValue();
SerialNumber c{};
c.serial_number[0] = 'X';
c.serial_number[1] = 'A';
c.serial_number[2] = [] {
// Adding another setting would be tedious so... let's just reuse region_index :)
switch (::Settings::values.region_index.GetValue()) {
case ::Settings::Region::Japan: return 'J';
case ::Settings::Region::Usa: return 'W';
case ::Settings::Region::Europe: return 'E';
case ::Settings::Region::Australia: return 'M'; //pretend its Malaysia
case ::Settings::Region::China:
case ::Settings::Region::Taiwan: return 'C';
case ::Settings::Region::Korea: return 'K';
default: return 'W';
}
}();
Fill3DS_CRC(d, c.serial_number.data() + 3);
return c;
}();
R_SUCCEED();
}