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authorSubv <subv2112@gmail.com>2014-12-21 22:36:18 +0100
committerSubv <subv2112@gmail.com>2014-12-21 22:41:06 +0100
commit6115f013a9df6faf66c9799ab25ecb106182b8c2 (patch)
tree657e9b7ff1830ffc1568c46da4a89debf1e21933 /src/core/hle/service/cfg
parentCFGU: Some changes (diff)
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Diffstat (limited to 'src/core/hle/service/cfg')
-rw-r--r--src/core/hle/service/cfg/cfg.cpp204
-rw-r--r--src/core/hle/service/cfg/cfg.h144
-rw-r--r--src/core/hle/service/cfg/cfg_i.cpp113
-rw-r--r--src/core/hle/service/cfg/cfg_i.h27
-rw-r--r--src/core/hle/service/cfg/cfg_u.cpp194
-rw-r--r--src/core/hle/service/cfg/cfg_u.h27
6 files changed, 709 insertions, 0 deletions
diff --git a/src/core/hle/service/cfg/cfg.cpp b/src/core/hle/service/cfg/cfg.cpp
new file mode 100644
index 000000000..d41e15285
--- /dev/null
+++ b/src/core/hle/service/cfg/cfg.cpp
@@ -0,0 +1,204 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "common/make_unique.h"
+#include "core/file_sys/archive_systemsavedata.h"
+#include "core/hle/service/cfg/cfg.h"
+
+namespace Service {
+namespace CFG {
+
+const u64 CFG_SAVE_ID = 0x00010017;
+const u64 CONSOLE_UNIQUE_ID = 0xDEADC0DE;
+const ConsoleModelInfo CONSOLE_MODEL = { NINTENDO_3DS_XL, 0, 0, 0 };
+const u8 CONSOLE_LANGUAGE = LANGUAGE_EN;
+const char CONSOLE_USERNAME[0x14] = "CITRA";
+/// This will be initialized in CFGInit, and will be used when creating the block
+UsernameBlock CONSOLE_USERNAME_BLOCK;
+/// TODO(Subv): Find out what this actually is
+const u8 SOUND_OUTPUT_MODE = 2;
+const u8 UNITED_STATES_COUNTRY_ID = 49;
+/// TODO(Subv): Find what the other bytes are
+const ConsoleCountryInfo COUNTRY_INFO = { 0, 0, 0, UNITED_STATES_COUNTRY_ID };
+
+/**
+ * TODO(Subv): Find out what this actually is, these values fix some NaN uniforms in some games,
+ * for example Nintendo Zone
+ * Thanks Normmatt for providing this information
+ */
+const std::array<float, 8> STEREO_CAMERA_SETTINGS = {
+ 62.0f, 289.0f, 76.80000305175781f, 46.08000183105469f,
+ 10.0f, 5.0f, 55.58000183105469f, 21.56999969482422f
+};
+
+const u32 CONFIG_SAVEFILE_SIZE = 0x8000;
+std::array<u8, CONFIG_SAVEFILE_SIZE> cfg_config_file_buffer = {};
+
+static std::unique_ptr<FileSys::Archive_SystemSaveData> cfg_system_save_data;
+
+ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output) {
+ // Read the header
+ SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
+
+ auto itr = std::find_if(std::begin(config->block_entries), std::end(config->block_entries),
+ [&](const SaveConfigBlockEntry& entry) {
+ return entry.block_id == block_id && entry.size == size && (entry.flags & flag);
+ });
+
+ if (itr == std::end(config->block_entries)) {
+ LOG_ERROR(Service_CFG, "Config block %u with size %u and flags %u not found", block_id, size, flag);
+ return ResultCode(-1); // TODO(Subv): Find the correct error code
+ }
+
+ // The data is located in the block header itself if the size is less than 4 bytes
+ if (itr->size <= 4)
+ memcpy(output, &itr->offset_or_data, itr->size);
+ else
+ memcpy(output, &cfg_config_file_buffer[itr->offset_or_data], itr->size);
+
+ return RESULT_SUCCESS;
+}
+
+ResultCode CreateConfigInfoBlk(u32 block_id, u32 size, u32 flags, const u8* data) {
+ SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
+ if (config->total_entries >= CONFIG_FILE_MAX_BLOCK_ENTRIES)
+ return ResultCode(-1); // TODO(Subv): Find the right error code
+
+ // Insert the block header with offset 0 for now
+ config->block_entries[config->total_entries] = { block_id, 0, size, flags };
+ if (size > 4) {
+ s32 total_entries = config->total_entries - 1;
+ u32 offset = config->data_entries_offset;
+ // Perform a search to locate the next offset for the new data
+ // use the offset and size of the previous block to determine the new position
+ while (total_entries >= 0) {
+ // Ignore the blocks that don't have a separate data offset
+ if (config->block_entries[total_entries].size > 4) {
+ offset = config->block_entries[total_entries].offset_or_data +
+ config->block_entries[total_entries].size;
+ break;
+ }
+
+ --total_entries;
+ }
+
+ config->block_entries[config->total_entries].offset_or_data = offset;
+
+ // Write the data at the new offset
+ memcpy(&cfg_config_file_buffer[offset], data, size);
+ }
+ else {
+ // The offset_or_data field in the header contains the data itself if it's 4 bytes or less
+ memcpy(&config->block_entries[config->total_entries].offset_or_data, data, size);
+ }
+
+ ++config->total_entries;
+ return RESULT_SUCCESS;
+}
+
+ResultCode DeleteConfigNANDSaveFile() {
+ FileSys::Path path("config");
+ if (cfg_system_save_data->DeleteFile(path))
+ return RESULT_SUCCESS;
+ return ResultCode(-1); // TODO(Subv): Find the right error code
+}
+
+ResultCode UpdateConfigNANDSavegame() {
+ FileSys::Mode mode = {};
+ mode.write_flag = 1;
+ mode.create_flag = 1;
+ FileSys::Path path("config");
+ auto file = cfg_system_save_data->OpenFile(path, mode);
+ _assert_msg_(Service_CFG, file != nullptr, "could not open file");
+ file->Write(0, CONFIG_SAVEFILE_SIZE, 1, cfg_config_file_buffer.data());
+ return RESULT_SUCCESS;
+}
+
+ResultCode FormatConfig() {
+ ResultCode res = DeleteConfigNANDSaveFile();
+ if (!res.IsSuccess())
+ return res;
+ // Delete the old data
+ std::fill(cfg_config_file_buffer.begin(), cfg_config_file_buffer.end(), 0);
+ // Create the header
+ SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
+ // This value is hardcoded, taken from 3dbrew, verified by hardware, it's always the same value
+ config->data_entries_offset = 0x455C;
+ // Insert the default blocks
+ res = CreateConfigInfoBlk(0x00050005, sizeof(STEREO_CAMERA_SETTINGS), 0xE,
+ reinterpret_cast<const u8*>(STEREO_CAMERA_SETTINGS.data()));
+ if (!res.IsSuccess())
+ return res;
+ res = CreateConfigInfoBlk(0x00090001, sizeof(CONSOLE_UNIQUE_ID), 0xE,
+ reinterpret_cast<const u8*>(&CONSOLE_UNIQUE_ID));
+ if (!res.IsSuccess())
+ return res;
+ res = CreateConfigInfoBlk(0x000F0004, sizeof(CONSOLE_MODEL), 0x8,
+ reinterpret_cast<const u8*>(&CONSOLE_MODEL));
+ if (!res.IsSuccess())
+ return res;
+ res = CreateConfigInfoBlk(0x000A0002, sizeof(CONSOLE_LANGUAGE), 0xA, &CONSOLE_LANGUAGE);
+ if (!res.IsSuccess())
+ return res;
+ res = CreateConfigInfoBlk(0x00070001, sizeof(SOUND_OUTPUT_MODE), 0xE, &SOUND_OUTPUT_MODE);
+ if (!res.IsSuccess())
+ return res;
+ res = CreateConfigInfoBlk(0x000B0000, sizeof(COUNTRY_INFO), 0xE,
+ reinterpret_cast<const u8*>(&COUNTRY_INFO));
+ if (!res.IsSuccess())
+ return res;
+ res = CreateConfigInfoBlk(0x000A0000, sizeof(CONSOLE_USERNAME_BLOCK), 0xE,
+ reinterpret_cast<const u8*>(&CONSOLE_USERNAME_BLOCK));
+ if (!res.IsSuccess())
+ return res;
+ // Save the buffer to the file
+ res = UpdateConfigNANDSavegame();
+ if (!res.IsSuccess())
+ return res;
+ return RESULT_SUCCESS;
+}
+
+void CFGInit() {
+ // TODO(Subv): In the future we should use the FS service to query this archive,
+ // currently it is not possible because you can only have one open archive of the same type at any time
+ std::string syssavedata_directory = FileUtil::GetUserPath(D_SYSSAVEDATA_IDX);
+ cfg_system_save_data = Common::make_unique<FileSys::Archive_SystemSaveData>(syssavedata_directory,
+ CFG_SAVE_ID);
+ if (!cfg_system_save_data->Initialize()) {
+ LOG_CRITICAL(Service_CFG, "Could not initialize SystemSaveData archive for the CFG:U service");
+ return;
+ }
+
+ // TODO(Subv): All this code should be moved to cfg:i,
+ // it's only here because we do not currently emulate the lower level code that uses that service
+ // Try to open the file in read-only mode to check its existence
+ FileSys::Mode mode = {};
+ mode.read_flag = 1;
+ FileSys::Path path("config");
+ auto file = cfg_system_save_data->OpenFile(path, mode);
+
+ // Load the config if it already exists
+ if (file != nullptr) {
+ file->Read(0, CONFIG_SAVEFILE_SIZE, cfg_config_file_buffer.data());
+ return;
+ }
+
+ // Initialize the Username block
+ // TODO(Subv): Initialize this directly in the variable when MSVC supports char16_t string literals
+ CONSOLE_USERNAME_BLOCK.ng_word = 0;
+ CONSOLE_USERNAME_BLOCK.zero = 0;
+ // Copy string to buffer and pad with zeros at the end
+ auto size = Common::UTF8ToUTF16(CONSOLE_USERNAME).copy(CONSOLE_USERNAME_BLOCK.username, 0x14);
+ std::fill(std::begin(CONSOLE_USERNAME_BLOCK.username) + size,
+ std::end(CONSOLE_USERNAME_BLOCK.username), 0);
+ FormatConfig();
+}
+
+void CFGShutdown() {
+
+}
+
+} // namespace CFG
+} // namespace Service
diff --git a/src/core/hle/service/cfg/cfg.h b/src/core/hle/service/cfg/cfg.h
new file mode 100644
index 000000000..38db5a5ec
--- /dev/null
+++ b/src/core/hle/service/cfg/cfg.h
@@ -0,0 +1,144 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include "core/hle/result.h"
+
+namespace Service {
+namespace CFG {
+
+enum SystemModel {
+ NINTENDO_3DS = 0,
+ NINTENDO_3DS_XL = 1,
+ NEW_NINTENDO_3DS = 2,
+ NINTENDO_2DS = 3,
+ NEW_NINTENDO_3DS_XL = 4
+};
+
+enum SystemLanguage {
+ LANGUAGE_JP = 0,
+ LANGUAGE_EN = 1,
+ LANGUAGE_FR = 2,
+ LANGUAGE_DE = 3,
+ LANGUAGE_IT = 4,
+ LANGUAGE_ES = 5,
+ LANGUAGE_ZH = 6,
+ LANGUAGE_KO = 7,
+ LANGUAGE_NL = 8,
+ LANGUAGE_PT = 9,
+ LANGUAGE_RU = 10
+};
+
+/// Block header in the config savedata file
+struct SaveConfigBlockEntry {
+ u32 block_id; ///< The id of the current block
+ u32 offset_or_data; ///< This is the absolute offset to the block data if the size is greater than 4 bytes, otherwise it contains the data itself
+ u16 size; ///< The size of the block
+ u16 flags; ///< The flags of the block, possibly used for access control
+};
+
+/// The maximum number of block entries that can exist in the config file
+static const u32 CONFIG_FILE_MAX_BLOCK_ENTRIES = 1479;
+
+/**
+* The header of the config savedata file,
+* contains information about the blocks in the file
+*/
+struct SaveFileConfig {
+ u16 total_entries; ///< The total number of set entries in the config file
+ u16 data_entries_offset; ///< The offset where the data for the blocks start, this is hardcoded to 0x455C as per hardware
+ SaveConfigBlockEntry block_entries[CONFIG_FILE_MAX_BLOCK_ENTRIES]; ///< The block headers, the maximum possible value is 1479 as per hardware
+ u32 unknown; ///< This field is unknown, possibly padding, 0 has been observed in hardware
+};
+static_assert(sizeof(SaveFileConfig) == 0x455C, "The SaveFileConfig header must be exactly 0x455C bytes");
+
+struct UsernameBlock {
+ char16_t username[10]; ///< Exactly 20 bytes long, padded with zeros at the end if necessary
+ u32 zero;
+ u32 ng_word;
+};
+static_assert(sizeof(UsernameBlock) == 0x1C, "Size of UsernameBlock must be 0x1C");
+
+struct ConsoleModelInfo {
+ u8 model; ///< The console model (3DS, 2DS, etc)
+ u8 unknown[3]; ///< Unknown data
+};
+static_assert(sizeof(ConsoleModelInfo) == 4, "ConsoleModelInfo must be exactly 4 bytes");
+
+struct ConsoleCountryInfo {
+ u8 unknown[3]; ///< Unknown data
+ u8 country_code; ///< The country code of the console
+};
+static_assert(sizeof(ConsoleCountryInfo) == 4, "ConsoleCountryInfo must be exactly 4 bytes");
+
+extern const u64 CFG_SAVE_ID;
+extern const u64 CONSOLE_UNIQUE_ID;
+extern const ConsoleModelInfo CONSOLE_MODEL;
+extern const u8 CONSOLE_LANGUAGE;
+extern const char CONSOLE_USERNAME[0x14];
+/// This will be initialized in the Interface constructor, and will be used when creating the block
+extern UsernameBlock CONSOLE_USERNAME_BLOCK;
+/// TODO(Subv): Find out what this actually is
+extern const u8 SOUND_OUTPUT_MODE;
+extern const u8 UNITED_STATES_COUNTRY_ID;
+/// TODO(Subv): Find what the other bytes are
+extern const ConsoleCountryInfo COUNTRY_INFO;
+extern const std::array<float, 8> STEREO_CAMERA_SETTINGS;
+
+static_assert(sizeof(STEREO_CAMERA_SETTINGS) == 0x20, "STEREO_CAMERA_SETTINGS must be exactly 0x20 bytes");
+static_assert(sizeof(CONSOLE_UNIQUE_ID) == 8, "CONSOLE_UNIQUE_ID must be exactly 8 bytes");
+static_assert(sizeof(CONSOLE_LANGUAGE) == 1, "CONSOLE_LANGUAGE must be exactly 1 byte");
+static_assert(sizeof(SOUND_OUTPUT_MODE) == 1, "SOUND_OUTPUT_MODE must be exactly 1 byte");
+
+/**
+ * Reads a block with the specified id and flag from the Config savegame buffer
+ * and writes the output to output.
+ * The input size must match exactly the size of the requested block
+ * @param block_id The id of the block we want to read
+ * @param size The size of the block we want to read
+ * @param flag The requested block must have this flag set
+ * @param output A pointer where we will write the read data
+ * @returns ResultCode indicating the result of the operation, 0 on success
+ */
+ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output);
+
+/**
+ * Creates a block with the specified id and writes the input data to the cfg savegame buffer in memory.
+ * The config savegame file in the filesystem is not updated.
+ * @param block_id The id of the block we want to create
+ * @param size The size of the block we want to create
+ * @param flag The flags of the new block
+ * @param data A pointer containing the data we will write to the new block
+ * @returns ResultCode indicating the result of the operation, 0 on success
+ */
+ResultCode CreateConfigInfoBlk(u32 block_id, u32 size, u32 flags, const u8* data);
+
+/**
+ * Deletes the config savegame file from the filesystem, the buffer in memory is not affected
+ * @returns ResultCode indicating the result of the operation, 0 on success
+ */
+ResultCode DeleteConfigNANDSaveFile();
+
+/**
+ * Writes the config savegame memory buffer to the config savegame file in the filesystem
+ * @returns ResultCode indicating the result of the operation, 0 on success
+ */
+ResultCode UpdateConfigNANDSavegame();
+
+/**
+ * Re-creates the config savegame file in memory and the filesystem with the default blocks
+ * @returns ResultCode indicating the result of the operation, 0 on success
+ */
+ResultCode FormatConfig();
+
+/// Initialize the config service
+void CFGInit();
+
+/// Shutdown the config service
+void CFGShutdown();
+
+} // namespace CFG
+} // namespace Service
diff --git a/src/core/hle/service/cfg/cfg_i.cpp b/src/core/hle/service/cfg/cfg_i.cpp
new file mode 100644
index 000000000..b3f28f8e5
--- /dev/null
+++ b/src/core/hle/service/cfg/cfg_i.cpp
@@ -0,0 +1,113 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/cfg/cfg.h"
+#include "core/hle/service/cfg/cfg_i.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CFG_I
+
+namespace CFG_I {
+
+/**
+ * CFG_I::GetConfigInfoBlk8 service function
+ * This function is called by two command headers,
+ * there appears to be no difference between them according to 3dbrew
+ * Inputs:
+ * 0 : 0x04010082 / 0x08010082
+ * 1 : Size
+ * 2 : Block ID
+ * 3 : Descriptor for the output buffer
+ * 4 : Output buffer pointer
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ */
+static void GetConfigInfoBlk8(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ u32 size = cmd_buffer[1];
+ u32 block_id = cmd_buffer[2];
+ u8* data_pointer = Memory::GetPointer(cmd_buffer[4]);
+
+ if (data_pointer == nullptr) {
+ cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
+ return;
+ }
+
+ cmd_buffer[1] = Service::CFG::GetConfigInfoBlock(block_id, size, 0x8, data_pointer).raw;
+}
+
+/**
+ * CFG_I::UpdateConfigNANDSavegame service function
+ * This function is called by two command headers,
+ * there appears to be no difference between them according to 3dbrew
+ * Inputs:
+ * 0 : 0x04030000 / 0x08030000
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ */
+static void UpdateConfigNANDSavegame(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ cmd_buffer[1] = Service::CFG::UpdateConfigNANDSavegame().raw;
+}
+
+/**
+ * CFG_I::FormatConfig service function
+ * Inputs:
+ * 0 : 0x08060000
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ */
+static void FormatConfig(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ cmd_buffer[1] = Service::CFG::FormatConfig().raw;
+}
+
+const Interface::FunctionInfo FunctionTable[] = {
+ {0x04010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"},
+ {0x04020082, nullptr, "SetConfigInfoBlk4"},
+ {0x04030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
+ {0x04040042, nullptr, "GetLocalFriendCodeSeedData"},
+ {0x04050000, nullptr, "GetLocalFriendCodeSeed"},
+ {0x04060000, nullptr, "SecureInfoGetRegion"},
+ {0x04070000, nullptr, "SecureInfoGetByte101"},
+ {0x04080042, nullptr, "SecureInfoGetSerialNo"},
+ {0x04090000, nullptr, "UpdateConfigBlk00040003"},
+ {0x08010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"},
+ {0x08020082, nullptr, "SetConfigInfoBlk4"},
+ {0x08030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
+ {0x080400C2, nullptr, "CreateConfigInfoBlk"},
+ {0x08050000, nullptr, "DeleteConfigNANDSavefile"},
+ {0x08060000, FormatConfig, "FormatConfig"},
+ {0x08070000, nullptr, "Unknown"},
+ {0x08080000, nullptr, "UpdateConfigBlk1"},
+ {0x08090000, nullptr, "UpdateConfigBlk2"},
+ {0x080A0000, nullptr, "UpdateConfigBlk3"},
+ {0x080B0082, nullptr, "SetGetLocalFriendCodeSeedData"},
+ {0x080C0042, nullptr, "SetLocalFriendCodeSeedSignature"},
+ {0x080D0000, nullptr, "DeleteCreateNANDLocalFriendCodeSeed"},
+ {0x080E0000, nullptr, "VerifySigLocalFriendCodeSeed"},
+ {0x080F0042, nullptr, "GetLocalFriendCodeSeedData"},
+ {0x08100000, nullptr, "GetLocalFriendCodeSeed"},
+ {0x08110084, nullptr, "SetSecureInfo"},
+ {0x08120000, nullptr, "DeleteCreateNANDSecureInfo"},
+ {0x08130000, nullptr, "VerifySigSecureInfo"},
+ {0x08140042, nullptr, "SecureInfoGetData"},
+ {0x08150042, nullptr, "SecureInfoGetSignature"},
+ {0x08160000, nullptr, "SecureInfoGetRegion"},
+ {0x08170000, nullptr, "SecureInfoGetByte101"},
+ {0x08180042, nullptr, "SecureInfoGetSerialNo"},
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+ Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+Interface::~Interface() {
+}
+
+} // namespace
diff --git a/src/core/hle/service/cfg/cfg_i.h b/src/core/hle/service/cfg/cfg_i.h
new file mode 100644
index 000000000..577aad236
--- /dev/null
+++ b/src/core/hle/service/cfg/cfg_i.h
@@ -0,0 +1,27 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CFG_I
+
+namespace CFG_I {
+
+class Interface : public Service::Interface {
+public:
+ Interface();
+ ~Interface();
+ /**
+ * Gets the string port name used by CTROS for the service
+ * @return Port name of service
+ */
+ std::string GetPortName() const override {
+ return "cfg:i";
+ }
+};
+
+} // namespace
diff --git a/src/core/hle/service/cfg/cfg_u.cpp b/src/core/hle/service/cfg/cfg_u.cpp
new file mode 100644
index 000000000..439fcdbb9
--- /dev/null
+++ b/src/core/hle/service/cfg/cfg_u.cpp
@@ -0,0 +1,194 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common/file_util.h"
+#include "common/log.h"
+#include "common/string_util.h"
+#include "core/file_sys/archive_systemsavedata.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/cfg/cfg.h"
+#include "core/hle/service/cfg/cfg_u.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CFG_U
+
+namespace CFG_U {
+
+// TODO(Link Mauve): use a constexpr once MSVC starts supporting it.
+#define C(code) ((code)[0] | ((code)[1] << 8))
+
+static const std::array<u16, 187> country_codes = {
+ 0, C("JP"), 0, 0, 0, 0, 0, 0, // 0-7
+ C("AI"), C("AG"), C("AR"), C("AW"), C("BS"), C("BB"), C("BZ"), C("BO"), // 8-15
+ C("BR"), C("VG"), C("CA"), C("KY"), C("CL"), C("CO"), C("CR"), C("DM"), // 16-23
+ C("DO"), C("EC"), C("SV"), C("GF"), C("GD"), C("GP"), C("GT"), C("GY"), // 24-31
+ C("HT"), C("HN"), C("JM"), C("MQ"), C("MX"), C("MS"), C("AN"), C("NI"), // 32-39
+ C("PA"), C("PY"), C("PE"), C("KN"), C("LC"), C("VC"), C("SR"), C("TT"), // 40-47
+ C("TC"), C("US"), C("UY"), C("VI"), C("VE"), 0, 0, 0, // 48-55
+ 0, 0, 0, 0, 0, 0, 0, 0, // 56-63
+ C("AL"), C("AU"), C("AT"), C("BE"), C("BA"), C("BW"), C("BG"), C("HR"), // 64-71
+ C("CY"), C("CZ"), C("DK"), C("EE"), C("FI"), C("FR"), C("DE"), C("GR"), // 72-79
+ C("HU"), C("IS"), C("IE"), C("IT"), C("LV"), C("LS"), C("LI"), C("LT"), // 80-87
+ C("LU"), C("MK"), C("MT"), C("ME"), C("MZ"), C("NA"), C("NL"), C("NZ"), // 88-95
+ C("NO"), C("PL"), C("PT"), C("RO"), C("RU"), C("RS"), C("SK"), C("SI"), // 96-103
+ C("ZA"), C("ES"), C("SZ"), C("SE"), C("CH"), C("TR"), C("GB"), C("ZM"), // 104-111
+ C("ZW"), C("AZ"), C("MR"), C("ML"), C("NE"), C("TD"), C("SD"), C("ER"), // 112-119
+ C("DJ"), C("SO"), C("AD"), C("GI"), C("GG"), C("IM"), C("JE"), C("MC"), // 120-127
+ C("TW"), 0, 0, 0, 0, 0, 0, 0, // 128-135
+ C("KR"), 0, 0, 0, 0, 0, 0, 0, // 136-143
+ C("HK"), C("MO"), 0, 0, 0, 0, 0, 0, // 144-151
+ C("ID"), C("SG"), C("TH"), C("PH"), C("MY"), 0, 0, 0, // 152-159
+ C("CN"), 0, 0, 0, 0, 0, 0, 0, // 160-167
+ C("AE"), C("IN"), C("EG"), C("OM"), C("QA"), C("KW"), C("SA"), C("SY"), // 168-175
+ C("BH"), C("JO"), 0, 0, 0, 0, 0, 0, // 176-183
+ C("SM"), C("VA"), C("BM") // 184-186
+};
+
+#undef C
+
+/**
+ * CFG_User::GetCountryCodeString service function
+ * Inputs:
+ * 1 : Country Code ID
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ * 2 : Country's 2-char string
+ */
+static void GetCountryCodeString(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ u32 country_code_id = cmd_buffer[1];
+
+ if (country_code_id >= country_codes.size() || 0 == country_codes[country_code_id]) {
+ LOG_ERROR(Service_CFG, "requested country code id=%d is invalid", country_code_id);
+ cmd_buffer[1] = ResultCode(ErrorDescription::NotFound, ErrorModule::Config, ErrorSummary::WrongArgument, ErrorLevel::Permanent).raw;
+ return;
+ }
+
+ cmd_buffer[1] = 0;
+ cmd_buffer[2] = country_codes[country_code_id];
+}
+
+/**
+ * CFG_User::GetCountryCodeID service function
+ * Inputs:
+ * 1 : Country Code 2-char string
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ * 2 : Country Code ID
+ */
+static void GetCountryCodeID(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ u16 country_code = cmd_buffer[1];
+ u16 country_code_id = 0;
+
+ // The following algorithm will fail if the first country code isn't 0.
+ _dbg_assert_(Service_CFG, country_codes[0] == 0);
+
+ for (size_t id = 0; id < country_codes.size(); ++id) {
+ if (country_codes[id] == country_code) {
+ country_code_id = id;
+ break;
+ }
+ }
+
+ if (0 == country_code_id) {
+ LOG_ERROR(Service_CFG, "requested country code name=%c%c is invalid", country_code & 0xff, country_code >> 8);
+ cmd_buffer[1] = ResultCode(ErrorDescription::NotFound, ErrorModule::Config, ErrorSummary::WrongArgument, ErrorLevel::Permanent).raw;
+ cmd_buffer[2] = 0xFFFF;
+ return;
+ }
+
+ cmd_buffer[1] = 0;
+ cmd_buffer[2] = country_code_id;
+}
+
+/**
+ * CFG_User::GetConfigInfoBlk2 service function
+ * Inputs:
+ * 0 : 0x00010082
+ * 1 : Size
+ * 2 : Block ID
+ * 3 : Descriptor for the output buffer
+ * 4 : Output buffer pointer
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ */
+static void GetConfigInfoBlk2(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ u32 size = cmd_buffer[1];
+ u32 block_id = cmd_buffer[2];
+ u8* data_pointer = Memory::GetPointer(cmd_buffer[4]);
+
+ if (data_pointer == nullptr) {
+ cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
+ return;
+ }
+
+ cmd_buffer[1] = Service::CFG::GetConfigInfoBlock(block_id, size, 0x2, data_pointer).raw;
+}
+
+/**
+ * CFG_User::GetSystemModel service function
+ * Inputs:
+ * 0 : 0x00050000
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ * 2 : Model of the console
+ */
+static void GetSystemModel(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ u32 data;
+
+ // TODO(Subv): Find out the correct error codes
+ cmd_buffer[1] = Service::CFG::GetConfigInfoBlock(0x000F0004, 4, 0x8,
+ reinterpret_cast<u8*>(&data)).raw;
+ cmd_buffer[2] = data & 0xFF;
+}
+
+/**
+ * CFG_User::GetModelNintendo2DS service function
+ * Inputs:
+ * 0 : 0x00060000
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ * 2 : 0 if the system is a Nintendo 2DS, 1 otherwise
+ */
+static void GetModelNintendo2DS(Service::Interface* self) {
+ u32* cmd_buffer = Kernel::GetCommandBuffer();
+ u32 data;
+
+ // TODO(Subv): Find out the correct error codes
+ cmd_buffer[1] = Service::CFG::GetConfigInfoBlock(0x000F0004, 4, 0x8,
+ reinterpret_cast<u8*>(&data)).raw;
+
+ u8 model = data & 0xFF;
+ if (model == Service::CFG::NINTENDO_2DS)
+ cmd_buffer[2] = 0;
+ else
+ cmd_buffer[2] = 1;
+}
+
+const Interface::FunctionInfo FunctionTable[] = {
+ {0x00010082, GetConfigInfoBlk2, "GetConfigInfoBlk2"},
+ {0x00020000, nullptr, "SecureInfoGetRegion"},
+ {0x00030000, nullptr, "GenHashConsoleUnique"},
+ {0x00040000, nullptr, "GetRegionCanadaUSA"},
+ {0x00050000, GetSystemModel, "GetSystemModel"},
+ {0x00060000, GetModelNintendo2DS, "GetModelNintendo2DS"},
+ {0x00070040, nullptr, "unknown"},
+ {0x00080080, nullptr, "unknown"},
+ {0x00090040, GetCountryCodeString, "GetCountryCodeString"},
+ {0x000A0040, GetCountryCodeID, "GetCountryCodeID"},
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+ Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+Interface::~Interface() {
+}
+
+} // namespace
diff --git a/src/core/hle/service/cfg/cfg_u.h b/src/core/hle/service/cfg/cfg_u.h
new file mode 100644
index 000000000..0136bff53
--- /dev/null
+++ b/src/core/hle/service/cfg/cfg_u.h
@@ -0,0 +1,27 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CFG_U
+
+namespace CFG_U {
+
+class Interface : public Service::Interface {
+public:
+ Interface();
+ ~Interface();
+ /**
+ * Gets the string port name used by CTROS for the service
+ * @return Port name of service
+ */
+ std::string GetPortName() const override {
+ return "cfg:u";
+ }
+};
+
+} // namespace