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service/cecd: Add initial files to archive after it is formatted

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This commit is contained in:
NarcolepticK 2018-08-12 03:26:45 -04:00
parent e27c1bd1f5
commit 30bbea3f4e
2 changed files with 64 additions and 2 deletions
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65
src/core/hle/service/cecd/cecd.cpp
View file

@ -298,7 +298,7 @@ void Module::Interface::GetSystemInfo(Kernel::HLERequestContext& ctx) {
dest_buffer.Write(buffer.data(), 0, buffer.size());
break;
default:
LOG_ERROR(Service_CECD, "Unknown system info type {}", static_cast<u32>(info_type));
LOG_ERROR(Service_CECD, "Unknown system info type={}", static_cast<u32>(info_type));
}
rb.Push(RESULT_SUCCESS);
@ -454,10 +454,18 @@ void Module::Interface::OpenAndRead(Kernel::HLERequestContext& ctx) {
LOG_ERROR(Service_CECD, "Failed to open file: {}", path.AsString());
if (path_type == CecDataPathType::CEC_PATH_MBOX_INFO) {
const FileSys::Path root_dir_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_ROOT_DIR,
ncch_program_id)
.data());
const FileSys::Path mbox_path(
cecd->GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_DIR,
ncch_program_id)
.data());
/// Just in case the root dir /CEC doesn't exist, we try to create it first
Service::FS::CreateDirectoryFromArchive(cecd->cecd_system_save_data_archive,
root_dir_path);
Service::FS::CreateDirectoryFromArchive(cecd->cecd_system_save_data_archive,
mbox_path);
}
@ -565,6 +573,61 @@ Module::Module() {
// Open it again to get a valid archive now that the folder exists
archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
/// Now that the archive is formatted, we need to create the root CEC directory,
/// eventlog.dat, and CEC/MBoxList____
const FileSys::Path root_dir_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_ROOT_DIR, 0).data());
Service::FS::CreateDirectoryFromArchive(*archive_result, root_dir_path);
FileSys::Mode mode;
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
/// eventlog.dat resides in the root of the archive beside the CEC directory
/// Initially created, at offset 0x0, are bytes 0x01 0x41 0x12, followed by
/// zeroes until offset 0x1000, where it changes to 0xDD until the end of file
/// at offset 0x30d53
FileSys::Path eventlog_path("/eventlog.dat");
auto eventlog_result =
Service::FS::OpenFileFromArchive(*archive_result, eventlog_path, mode);
constexpr u32 eventlog_size = 0x30d54;
auto eventlog = eventlog_result.Unwrap();
std::vector<u8> eventlog_buffer(eventlog_size);
std::memset(&eventlog_buffer[0], 0, 0x1000);
eventlog_buffer[0] = 0x01;
eventlog_buffer[1] = 0x41;
eventlog_buffer[2] = 0x12;
std::memset(&eventlog_buffer[0x1000], 0xDD, eventlog_size - 0x1000);
eventlog->backend->Write(0, eventlog_size, true, eventlog_buffer.data()).Unwrap();
eventlog->backend->Close();
/// MBoxList____ resides within the root CEC/ directory.
/// Initially created, at offset 0x0, are bytes 0x68 0x68 0x00 0x00 0x01, with 0x6868 'hh',
/// being the magic number. The rest of the file is filled with zeroes, until the end of
/// file at offset 0x18b
FileSys::Path mboxlist_path(
GetCecDataPathTypeAsString(CecDataPathType::CEC_PATH_MBOX_LIST, 0).data());
auto mboxlist_result =
Service::FS::OpenFileFromArchive(*archive_result, mboxlist_path, mode);
constexpr u32 mboxlist_size = 0x18c;
auto mboxlist = mboxlist_result.Unwrap();
std::vector<u8> mboxlist_buffer(mboxlist_size);
std::memset(&mboxlist_buffer[0], 0, mboxlist_size);
mboxlist_buffer[0] = 0x68;
mboxlist_buffer[1] = 0x68;
/// mboxlist_buffer[2-3] are already zeroed
mboxlist_buffer[4] = 0x01;
mboxlist->backend->Write(0, mboxlist_size, true, mboxlist_buffer.data()).Unwrap();
mboxlist->backend->Close();
}
ASSERT_MSG(archive_result.Succeeded(), "Could not open the CECD SystemSaveData archive!");

1
src/core/hle/service/cecd/cecd.h
View file

@ -46,7 +46,6 @@ public:
* CecDataPathType possible missing values; need to figure out placement
*
* data:/CEC/TMP
* utBox__
* data:/CEC/test
*/
enum class CecDataPathType : u32 {