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FS_User: Support FileSye::Path in a more generic way.
added a todo to kernel archive
This commit is contained in:
parent
a3107a6b57
commit
3e09c07378
2 changed files with 76 additions and 42 deletions
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@ -367,6 +367,17 @@ Handle CreateArchive(FileSys::Archive* backend, const std::string& name) {
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* @return Opened File object
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* @return Opened File object
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*/
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*/
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Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
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Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
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// TODO(bunnei): Binary type files get a raw file pointer to the archive. Currently, we create
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// the archive file handles at app loading, and then keep them persistent throughout execution.
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// Archives file handles are just reused and not actually freed until emulation shut down.
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// Verify if real hardware works this way, or if new handles are created each time
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if (path.GetType() == FileSys::Binary)
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// TODO(bunnei): FixMe - this is a hack to compensate for an incorrect FileSys backend
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// design. While the functionally of this is OK, our implementation decision to separate
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// normal files from archive file pointers is very likely wrong.
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// See https://github.com/citra-emu/citra/issues/205
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return archive_handle;
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File* file = new File;
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File* file = new File;
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Handle handle = Kernel::g_object_pool.Create(file);
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Handle handle = Kernel::g_object_pool.Create(file);
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@ -28,6 +28,22 @@ void Initialize(Service::Interface* self) {
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DEBUG_LOG(KERNEL, "called");
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DEBUG_LOG(KERNEL, "called");
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}
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}
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/**
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* FS_User::OpenFile service function
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* Inputs:
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* 1 : Transaction
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* 2 : Archive handle lower word
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* 3 : Archive handle upper word
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* 4 : Low path type
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* 5 : Low path size
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* 6 : Open flags
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* 7 : Attributes
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* 8 : (LowPathSize << 14) | 2
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* 9 : Low path data pointer
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 3 : File handle
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*/
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void OpenFile(Service::Interface* self) {
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void OpenFile(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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u32* cmd_buff = Service::GetCommandBuffer();
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@ -39,28 +55,16 @@ void OpenFile(Service::Interface* self) {
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FileSys::Mode mode; mode.hex = cmd_buff[6];
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FileSys::Mode mode; mode.hex = cmd_buff[6];
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u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes.
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u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes.
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u32 filename_ptr = cmd_buff[9];
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u32 filename_ptr = cmd_buff[9];
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FileSys::Path file_path(filename_type, filename_size, filename_ptr);
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FileSys::Path file_path(filename_type, filename_size, filename_ptr);
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std::string file_string;
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switch (file_path.GetType()) {
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case FileSys::Char:
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case FileSys::Wchar:
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file_string = file_path.AsString();
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break;
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default:
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WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
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return;
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}
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DEBUG_LOG(KERNEL, "type=%d size=%d mode=%d attrs=%d data=%s",
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DEBUG_LOG(KERNEL, "path=%s, mode=%d attrs=%d", file_path.DebugStr().c_str(), mode, attributes);
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filename_type, filename_size, mode, attributes, file_string.c_str());
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Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
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Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
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if (handle) {
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if (handle) {
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cmd_buff[1] = 0;
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cmd_buff[1] = 0;
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cmd_buff[3] = handle;
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cmd_buff[3] = handle;
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} else {
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} else {
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ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_string.c_str());
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ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_path.DebugStr().c_str());
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// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
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// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
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cmd_buff[1] = -1;
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cmd_buff[1] = -1;
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}
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}
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@ -68,6 +72,25 @@ void OpenFile(Service::Interface* self) {
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DEBUG_LOG(KERNEL, "called");
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DEBUG_LOG(KERNEL, "called");
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}
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}
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/**
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* FS_User::OpenFileDirectly service function
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* Inputs:
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* 1 : Transaction
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* 2 : Archive ID
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* 3 : Archive low path type
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* 4 : Archive low path size
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* 5 : File low path type
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* 6 : File low path size
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* 7 : Flags
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* 8 : Attributes
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* 9 : (ArchiveLowPathSize << 14) | 0x802
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* 10 : Archive low path
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* 11 : (FileLowPathSize << 14) | 2
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* 12 : File low path
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 3 : File handle
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*/
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void OpenFileDirectly(Service::Interface* self) {
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void OpenFileDirectly(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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u32* cmd_buff = Service::GetCommandBuffer();
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@ -80,47 +103,33 @@ void OpenFileDirectly(Service::Interface* self) {
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u32 attributes = cmd_buff[8]; // TODO(Link Mauve): do something with those attributes.
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u32 attributes = cmd_buff[8]; // TODO(Link Mauve): do something with those attributes.
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u32 archivename_ptr = cmd_buff[10];
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u32 archivename_ptr = cmd_buff[10];
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u32 filename_ptr = cmd_buff[12];
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u32 filename_ptr = cmd_buff[12];
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FileSys::Path archive_path(archivename_type, archivename_size, archivename_ptr);
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FileSys::Path file_path(filename_type, filename_size, filename_ptr);
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DEBUG_LOG(KERNEL, "archive_type=%d archive_size=%d file_type=%d file_size=%d file_mode=%d file_attrs=%d",
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DEBUG_LOG(KERNEL, "archive_path=%s file_path=%s, mode=%d attributes=%d",
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archivename_type, archivename_size, filename_type, filename_size, mode, attributes);
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archive_path.DebugStr().c_str(), file_path.DebugStr().c_str(), mode, attributes);
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if (archivename_type != FileSys::Empty) {
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if (archive_path.GetType() != FileSys::Empty) {
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ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
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ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
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cmd_buff[1] = -1;
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cmd_buff[1] = -1;
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return;
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return;
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}
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}
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// TODO(Link Mauve): check if we should even get a handle for the archive, and don't leak it.
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// TODO(Link Mauve): Check if we should even get a handle for the archive, and don't leak it
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Handle archive_handle = Kernel::OpenArchive(archive_id);
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Handle archive_handle = Kernel::OpenArchive(archive_id);
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if (archive_handle) {
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if (!archive_handle) {
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cmd_buff[1] = 0;
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// cmd_buff[2] isn't used according to 3dmoo's implementation.
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cmd_buff[3] = archive_handle;
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} else {
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ERROR_LOG(KERNEL, "failed to get a handle for archive");
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ERROR_LOG(KERNEL, "failed to get a handle for archive");
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// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
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// TODO(Link Mauve): Check for the actual error values, this one was just chosen arbitrarily
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cmd_buff[1] = -1;
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cmd_buff[1] = -1;
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return;
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return;
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}
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}
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FileSys::Path file_path(filename_type, filename_size, filename_ptr);
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std::string file_string;
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switch (file_path.GetType()) {
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case FileSys::Char:
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case FileSys::Wchar:
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file_string = file_path.AsString();
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break;
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default:
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WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
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return;
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}
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Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
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Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
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if (handle) {
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if (handle) {
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cmd_buff[1] = 0;
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cmd_buff[1] = 0;
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cmd_buff[3] = handle;
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cmd_buff[3] = handle;
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} else {
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} else {
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ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_string.c_str());
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ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_path.DebugStr().c_str());
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// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
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// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
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cmd_buff[1] = -1;
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cmd_buff[1] = -1;
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}
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}
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@ -205,6 +214,19 @@ void OpenDirectory(Service::Interface* self) {
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DEBUG_LOG(KERNEL, "called");
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DEBUG_LOG(KERNEL, "called");
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}
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}
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/**
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* FS_User::OpenArchive service function
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* Inputs:
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* 1 : Archive ID
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* 2 : Archive low path type
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* 3 : Archive low path size
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* 4 : (LowPathSize << 14) | 2
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* 5 : Archive low path
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Archive handle lower word (unused)
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* 3 : Archive handle upper word (same as file handle)
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*/
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void OpenArchive(Service::Interface* self) {
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void OpenArchive(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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u32* cmd_buff = Service::GetCommandBuffer();
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@ -212,10 +234,11 @@ void OpenArchive(Service::Interface* self) {
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auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
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auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
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u32 archivename_size = cmd_buff[3];
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u32 archivename_size = cmd_buff[3];
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u32 archivename_ptr = cmd_buff[5];
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u32 archivename_ptr = cmd_buff[5];
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FileSys::Path archive_path(archivename_type, archivename_size, archivename_ptr);
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DEBUG_LOG(KERNEL, "type=%d size=%d", archivename_type, archivename_size);
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DEBUG_LOG(KERNEL, "archive_path=%s", archive_path.DebugStr().c_str());
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if (archivename_type != FileSys::Empty) {
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if (archive_path.GetType() != FileSys::Empty) {
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ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
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ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
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cmd_buff[1] = -1;
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cmd_buff[1] = -1;
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return;
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return;
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