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-rw-r--r--src/core/hle/service/cfg_u.cpp98
1 files changed, 55 insertions, 43 deletions
diff --git a/src/core/hle/service/cfg_u.cpp b/src/core/hle/service/cfg_u.cpp
index 9701e6aed..1a128a0aa 100644
--- a/src/core/hle/service/cfg_u.cpp
+++ b/src/core/hle/service/cfg_u.cpp
@@ -16,25 +16,25 @@
namespace CFG_U {
enum SystemModel {
- NINTENDO_3DS,
- NINTENDO_3DS_XL,
- NEW_NINTENDO_3DS,
- NINTENDO_2DS,
- NEW_NINTENDO_3DS_XL
+ NINTENDO_3DS = 0,
+ NINTENDO_3DS_XL = 1,
+ NEW_NINTENDO_3DS = 2,
+ NINTENDO_2DS = 3,
+ NEW_NINTENDO_3DS_XL = 4
};
enum SystemLanguage {
- LANGUAGE_JP,
- LANGUAGE_EN,
- LANGUAGE_FR,
- LANGUAGE_DE,
- LANGUAGE_IT,
- LANGUAGE_ES,
- LANGUAGE_ZH,
- LANGUAGE_KO,
- LANGUAGE_NL,
- LANGUAGE_PT,
- LANGUAGE_RU
+ 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
};
struct UsernameBlock {
@@ -57,8 +57,11 @@ static const u8 SOUND_OUTPUT_MODE = 2;
static const u32 CONFIG_SAVEFILE_SIZE = 0x8000;
static std::array<u8, CONFIG_SAVEFILE_SIZE> cfg_config_file_buffer = { };
-/// TODO(Subv): Find out what this actually is, these values fix some NaN uniforms in some games
-/// Thanks Normmatt for providing this information
+/**
+ * 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
+ */
static const std::array<float, 8> STEREO_CAMERA_SETTINGS = {
62.0f, 289.0f, 76.80000305175781f, 46.08000183105469f,
10.0f, 5.0f, 55.58000183105469f, 21.56999969482422f
@@ -158,19 +161,24 @@ static void GetCountryCodeID(Service::Interface* self) {
/// Block header in the config savedata file
struct SaveConfigBlockEntry {
- u32 block_id;
- u32 offset_or_data;
- u16 size;
- u16 flags;
+ 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 header of the config savedata file,
-/// contains information about the blocks in the file
+/// 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;
- u16 data_entries_offset;
- SaveConfigBlockEntry block_entries[1479];
- u32 unknown;
+ 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
};
/**
@@ -189,7 +197,7 @@ ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output) {
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),
- [&](SaveConfigBlockEntry const& entry) {
+ [&](const SaveConfigBlockEntry& entry) {
return entry.block_id == block_id && entry.size == size && (entry.flags & flag);
});
@@ -217,8 +225,11 @@ ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output) {
* @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, u8 const* data) {
+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) {
@@ -268,13 +279,12 @@ ResultCode DeleteConfigNANDSaveFile() {
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode UpdateConfigNANDSavegame() {
- FileSys::Mode mode;
- mode.hex = 0;
+ FileSys::Mode mode = {};
mode.write_flag = 1;
mode.create_flag = 1;
FileSys::Path path("config");
auto file = cfg_system_save_data->OpenFile(path, mode);
- _dbg_assert_msg_(Service_CFG, file != nullptr, "could not open file");
+ _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;
}
@@ -292,16 +302,17 @@ ResultCode FormatConfig() {
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, 0x20, 0xE,
- reinterpret_cast<u8 const*>(STEREO_CAMERA_SETTINGS.data()));
+ reinterpret_cast<const u8*>(STEREO_CAMERA_SETTINGS.data()));
if (!res.IsSuccess())
return res;
- res = CreateConfigInfoBlk(0x00090001, 0x8, 0xE, reinterpret_cast<u8 const*>(&CONSOLE_UNIQUE_ID));
+ res = CreateConfigInfoBlk(0x00090001, 0x8, 0xE, reinterpret_cast<const u8*>(&CONSOLE_UNIQUE_ID));
if (!res.IsSuccess())
return res;
- res = CreateConfigInfoBlk(0x000F0004, 0x4, 0x8, reinterpret_cast<u8 const*>(&CONSOLE_MODEL));
+ res = CreateConfigInfoBlk(0x000F0004, 0x4, 0x8, reinterpret_cast<const u8*>(&CONSOLE_MODEL));
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(0x000A0002, 0x1, 0xA, &CONSOLE_LANGUAGE);
@@ -313,7 +324,7 @@ ResultCode FormatConfig() {
res = CreateConfigInfoBlk(0x000B0000, 0x4, 0xE, COUNTRY_INFO.data());
if (!res.IsSuccess())
return res;
- res = CreateConfigInfoBlk(0x000A0000, 0x1C, 0xE, reinterpret_cast<u8*>(&CONSOLE_USERNAME_BLOCK));
+ res = CreateConfigInfoBlk(0x000A0000, 0x1C, 0xE, reinterpret_cast<const u8*>(&CONSOLE_USERNAME_BLOCK));
if (!res.IsSuccess())
return res;
// Save the buffer to the file
@@ -357,8 +368,9 @@ static void GetSystemModel(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 data;
+ // TODO(Subv): Find out the correct error codes
cmd_buffer[1] = GetConfigInfoBlock(0x000F0004, 4, 0x8,
- reinterpret_cast<u8*>(&data)).raw; // TODO(Subv): Find out the correct error codes
+ reinterpret_cast<u8*>(&data)).raw;
cmd_buffer[2] = data & 0xFF;
}
@@ -372,8 +384,9 @@ static void GetModelNintendo2DS(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 data;
+ // TODO(Subv): Find out the correct error codes
cmd_buffer[1] = GetConfigInfoBlock(0x000F0004, 4, 0x8,
- reinterpret_cast<u8*>(&data)).raw; // TODO(Subv): Find out the correct error codes
+ reinterpret_cast<u8*>(&data)).raw;
u8 model = data & 0xFF;
if (model == NINTENDO_2DS)
@@ -412,8 +425,7 @@ Interface::Interface() {
// 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.hex = 0;
+ FileSys::Mode mode = {};
mode.read_flag = 1;
FileSys::Path path("config");
auto file = cfg_system_save_data->OpenFile(path, mode);
@@ -429,8 +441,8 @@ Interface::Interface() {
CONSOLE_USERNAME_BLOCK.ng_word = 0;
CONSOLE_USERNAME_BLOCK.zero = 0;
// Copy string to buffer and pad with zeros at the end
- auto itr = Common::UTF8ToUTF16(CONSOLE_USERNAME).copy(CONSOLE_USERNAME_BLOCK.username, 0x14);
- std::fill(std::begin(CONSOLE_USERNAME_BLOCK.username) + itr,
+ 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();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:15:29 +0100