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HLE/FS: Change the error code returned when an ExtSaveData archive is not found. 

This allows Fire Emblem to boot again.
master
Subv 2016-03-03 13:05:50 +07:00
parent 3aa42627a3
commit f707026ac5
5 changed files with 45 additions and 33 deletions
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7
src/core/file_sys/archive_backend.h
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@ -11,6 +11,7 @@
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/result.h"
@ -63,9 +64,9 @@ private:
};
struct ArchiveFormatInfo {
u32 total_size; ///< The pre-defined size of the archive, as specified in the Create or Format call
u32 number_directories; ///< The pre-defined number of directories in the archive, as specified in the Create or Format call
u32 number_files; ///< The pre-defined number of files in the archive, as specified in the Create or Format call
u32_le total_size; ///< The pre-defined size of the archive, as specified in the Create or Format call
u32_le number_directories; ///< The pre-defined number of directories in the archive, as specified in the Create or Format call
u32_le number_files; ///< The pre-defined number of files in the archive, as specified in the Create or Format call
u8 duplicate_data; ///< Whether the archive should duplicate the data, as specified in the Create or Format call
};
static_assert(std::is_pod<ArchiveFormatInfo>::value, "ArchiveFormatInfo is not POD");

36
src/core/file_sys/archive_extsavedata.cpp
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@ -58,7 +58,7 @@ Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low) {
}
ArchiveFactory_ExtSaveData::ArchiveFactory_ExtSaveData(const std::string& mount_location, bool shared)
: mount_point(GetExtDataContainerPath(mount_location, shared)) {
: shared(shared), mount_point(GetExtDataContainerPath(mount_location, shared)) {
LOG_INFO(Service_FS, "Directory %s set as base for ExtSaveData.", mount_point.c_str());
}
@ -74,10 +74,16 @@ bool ArchiveFactory_ExtSaveData::Initialize() {
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_ExtSaveData::Open(const Path& path) {
std::string fullpath = GetExtSaveDataPath(mount_point, path) + "user/";
if (!FileUtil::Exists(fullpath)) {
// TODO(Subv): Check error code, this one is probably wrong
// TODO(Subv): Verify the archive behavior of SharedExtSaveData compared to ExtSaveData.
// ExtSaveData seems to return FS_NotFound (120) when the archive doesn't exist.
if (!shared) {
return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
} else {
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
ErrorSummary::InvalidState, ErrorLevel::Status);
}
}
auto archive = Common::make_unique<DiskArchive>(fullpath);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
@ -93,33 +99,33 @@ ResultCode ArchiveFactory_ExtSaveData::Format(const Path& path, const FileSys::A
std::string metadata_path = GetExtSaveDataPath(mount_point, path) + "metadata";
FileUtil::IOFile file(metadata_path, "wb");
if (file.IsOpen()) {
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
if (!file.IsOpen()) {
// TODO(Subv): Find the correct error code
return ResultCode(-1);
}
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_ExtSaveData::GetFormatInfo(const Path& path) const {
std::string metadata_path = GetExtSaveDataPath(mount_point, path) + "metadata";
FileUtil::IOFile file(metadata_path, "rb");
if (file.IsOpen()) {
ArchiveFormatInfo info;
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
if (!file.IsOpen()) {
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS, ErrorSummary::InvalidState, ErrorLevel::Status);
}
void ArchiveFactory_ExtSaveData::WriteIcon(const Path& path, const u8* icon_data, u32 icon_size) {
ArchiveFormatInfo info = {};
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
void ArchiveFactory_ExtSaveData::WriteIcon(const Path& path, const u8* icon_data, size_t icon_size) {
std::string game_path = FileSys::GetExtSaveDataPath(GetMountPoint(), path);
FileUtil::IOFile icon_file(game_path + "icon", "wb+");
FileUtil::IOFile icon_file(game_path + "icon", "wb");
icon_file.WriteBytes(icon_data, icon_size);
}

3
src/core/file_sys/archive_extsavedata.h
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@ -42,7 +42,7 @@ public:
* @param icon_data Binary data of the icon
* @param icon_size Size of the icon data
*/
void WriteIcon(const Path& path, const u8* icon_data, u32 icon_size);
void WriteIcon(const Path& path, const u8* icon_data, size_t icon_size);
private:
/**
@ -51,6 +51,7 @@ private:
* See GetExtSaveDataPath for the code that extracts this data from an archive path.
*/
std::string mount_point;
bool shared; ///< Whether this archive represents an ExtSaveData archive or a SharedExtSaveData archive
};
/**

12
src/core/file_sys/archive_savedata.cpp
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@ -77,15 +77,15 @@ ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path&
std::string metadata_path = GetSaveDataMetadataPath(mount_point, Kernel::g_current_process->codeset->program_id);
FileUtil::IOFile file(metadata_path, "rb");
if (file.IsOpen()) {
ArchiveFormatInfo info;
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
if (!file.IsOpen()) {
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS, ErrorSummary::InvalidState, ErrorLevel::Status);
}
ArchiveFormatInfo info = {};
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
} // namespace FileSys

12
src/core/hle/service/fs/archive.cpp
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@ -103,14 +103,18 @@ ResultVal<bool> File::SyncRequest() {
u32 address = cmd_buff[5];
LOG_TRACE(Service_FS, "Read %s %s: offset=0x%llx length=%d address=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
if (offset + length > backend->GetSize())
LOG_ERROR(Service_FS, "Reading from out of bounds offset=0x%llX length=0x%08X file_size=0x%llX", offset, length, backend->GetSize());
if (offset + length > backend->GetSize()) {
LOG_ERROR(Service_FS, "Reading from out of bounds offset=0x%llX length=0x%08X file_size=0x%llX",
offset, length, backend->GetSize());
}
ResultVal<size_t> read = backend->Read(offset, length, Memory::GetPointer(address));
if (read.Failed()) {
cmd_buff[1] = read.Code().raw;
return read.Code();
}
cmd_buff[2] = static_cast<u32>(read.MoveFrom());
cmd_buff[2] = static_cast<u32>(*read);
break;
}
@ -129,7 +133,7 @@ ResultVal<bool> File::SyncRequest() {
cmd_buff[1] = written.Code().raw;
return written.Code();
}
cmd_buff[2] = static_cast<u32>(written.MoveFrom());
cmd_buff[2] = static_cast<u32>(*written);
break;
}