From 324c8d21a4e5e7847c3c97d81757d0243ea9bb7f Mon Sep 17 00:00:00 2001 From: wwylele Date: Wed, 1 Jun 2016 10:37:57 +0300 Subject: [PATCH] Service::CFG: add SetConfigInfoBlk4 --- src/core/hle/service/cfg/cfg.cpp | 45 +++++++++++++++++++++++++++--- src/core/hle/service/cfg/cfg.h | 30 +++++++++++++++++++- src/core/hle/service/cfg/cfg_i.cpp | 4 +-- src/core/hle/service/cfg/cfg_s.cpp | 2 +- 4 files changed, 73 insertions(+), 8 deletions(-) diff --git a/src/core/hle/service/cfg/cfg.cpp b/src/core/hle/service/cfg/cfg.cpp index 8e0848bf1..907a82301 100644 --- a/src/core/hle/service/cfg/cfg.cpp +++ b/src/core/hle/service/cfg/cfg.cpp @@ -223,6 +223,22 @@ void GetConfigInfoBlk8(Service::Interface* self) { Memory::WriteBlock(data_pointer, data.data(), data.size()); } +void SetConfigInfoBlk4(Service::Interface* self) { + u32* cmd_buff = Kernel::GetCommandBuffer(); + u32 block_id = cmd_buff[1]; + u32 size = cmd_buff[2]; + VAddr data_pointer = cmd_buff[4]; + + if (!Memory::IsValidVirtualAddress(data_pointer)) { + cmd_buff[1] = -1; // TODO(Subv): Find the right error code + return; + } + + std::vector data(size); + Memory::ReadBlock(data_pointer, data.data(), data.size()); + cmd_buff[1] = Service::CFG::SetConfigInfoBlock(block_id, size, 0x4, data.data()).raw; +} + void UpdateConfigNANDSavegame(Service::Interface* self) { u32* cmd_buff = Kernel::GetCommandBuffer(); cmd_buff[1] = Service::CFG::UpdateConfigNANDSavegame().raw; @@ -233,13 +249,13 @@ void FormatConfig(Service::Interface* self) { cmd_buff[1] = Service::CFG::FormatConfig().raw; } -ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output) { +static ResultVal GetConfigInfoBlockPointer(u32 block_id, u32 size, u32 flag) { // Read the header SaveFileConfig* config = reinterpret_cast(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.flags & flag); + return entry.block_id == block_id; }); if (itr == std::end(config->block_entries)) { @@ -247,17 +263,38 @@ ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output) { return ResultCode(ErrorDescription::NotFound, ErrorModule::Config, ErrorSummary::WrongArgument, ErrorLevel::Permanent); } + if ((itr->flags & flag) == 0) { + LOG_ERROR(Service_CFG, "Invalid flag %u for config block 0x%X with size %u", flag, block_id, size); + return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::Config, ErrorSummary::WrongArgument, ErrorLevel::Permanent); + } + if (itr->size != size) { LOG_ERROR(Service_CFG, "Invalid size %u for config block 0x%X with flags %u", size, block_id, flag); return ResultCode(ErrorDescription::InvalidSize, ErrorModule::Config, ErrorSummary::WrongArgument, ErrorLevel::Permanent); } + void* pointer; + // 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); + pointer = &itr->offset_or_data; else - memcpy(output, &cfg_config_file_buffer[itr->offset_or_data], itr->size); + pointer = &cfg_config_file_buffer[itr->offset_or_data]; + return MakeResult(pointer); +} + +ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, void* output) { + void* pointer; + CASCADE_RESULT(pointer, GetConfigInfoBlockPointer(block_id, size, flag)); + memcpy(output, pointer, size); + return RESULT_SUCCESS; +} + +ResultCode SetConfigInfoBlock(u32 block_id, u32 size, u32 flag, const void* input) { + void* pointer; + CASCADE_RESULT(pointer, GetConfigInfoBlockPointer(block_id, size, flag)); + memcpy(pointer, input, size); return RESULT_SUCCESS; } diff --git a/src/core/hle/service/cfg/cfg.h b/src/core/hle/service/cfg/cfg.h index bf544bd8d..4822433cf 100644 --- a/src/core/hle/service/cfg/cfg.h +++ b/src/core/hle/service/cfg/cfg.h @@ -184,6 +184,22 @@ void GetConfigInfoBlk2(Service::Interface* self); */ void GetConfigInfoBlk8(Service::Interface* self); +/** + * CFG::SetConfigInfoBlk4 service function + * Inputs: + * 0 : 0x04020082 / 0x08020082 + * 1 : Block ID + * 2 : Size + * 3 : Descriptor for the output buffer + * 4 : Output buffer pointer + * Outputs: + * 1 : Result of function, 0 on success, otherwise error code + * Note: + * The parameters order is different from GetConfigInfoBlk2/8's, + * where Block ID and Size are switched. + */ +void SetConfigInfoBlk4(Service::Interface* self); + /** * CFG::UpdateConfigNANDSavegame service function * Inputs: @@ -212,7 +228,19 @@ void FormatConfig(Service::Interface* self); * @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); +ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, void* output); + +/** + * Reads data from input and writes to a block with the specified id and flag + * in the Config savegame buffer. + * The input size must match exactly the size of the target block + * @param block_id The id of the block we want to write + * @param size The size of the block we want to write + * @param flag The target block must have this flag set + * @param input A pointer where we will read data and write to Config savegame buffer + * @returns ResultCode indicating the result of the operation, 0 on success + */ +ResultCode SetConfigInfoBlock(u32 block_id, u32 size, u32 flag, const void* input); /** * Creates a block with the specified id and writes the input data to the cfg savegame buffer in memory. diff --git a/src/core/hle/service/cfg/cfg_i.cpp b/src/core/hle/service/cfg/cfg_i.cpp index b18060f6d..8b0db785f 100644 --- a/src/core/hle/service/cfg/cfg_i.cpp +++ b/src/core/hle/service/cfg/cfg_i.cpp @@ -22,7 +22,7 @@ const Interface::FunctionInfo FunctionTable[] = { {0x000A0040, GetCountryCodeID, "GetCountryCodeID"}, // cfg:i {0x04010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"}, - {0x04020082, nullptr, "SetConfigInfoBlk4"}, + {0x04020082, SetConfigInfoBlk4, "SetConfigInfoBlk4"}, {0x04030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"}, {0x04040042, nullptr, "GetLocalFriendCodeSeedData"}, {0x04050000, nullptr, "GetLocalFriendCodeSeed"}, @@ -31,7 +31,7 @@ const Interface::FunctionInfo FunctionTable[] = { {0x04080042, nullptr, "SecureInfoGetSerialNo"}, {0x04090000, nullptr, "UpdateConfigBlk00040003"}, {0x08010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"}, - {0x08020082, nullptr, "SetConfigInfoBlk4"}, + {0x08020082, SetConfigInfoBlk4, "SetConfigInfoBlk4"}, {0x08030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"}, {0x080400C2, nullptr, "CreateConfigInfoBlk"}, {0x08050000, nullptr, "DeleteConfigNANDSavefile"}, diff --git a/src/core/hle/service/cfg/cfg_s.cpp b/src/core/hle/service/cfg/cfg_s.cpp index e001f7687..12b458783 100644 --- a/src/core/hle/service/cfg/cfg_s.cpp +++ b/src/core/hle/service/cfg/cfg_s.cpp @@ -22,7 +22,7 @@ const Interface::FunctionInfo FunctionTable[] = { {0x000A0040, GetCountryCodeID, "GetCountryCodeID"}, // cfg:s {0x04010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"}, - {0x04020082, nullptr, "SetConfigInfoBlk4"}, + {0x04020082, SetConfigInfoBlk4, "SetConfigInfoBlk4"}, {0x04030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"}, {0x04040042, nullptr, "GetLocalFriendCodeSeedData"}, {0x04050000, nullptr, "GetLocalFriendCodeSeed"},