aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/core/hle/service/fs.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/hle/service/fs.cpp')
-rw-r--r--src/core/hle/service/fs.cpp197
1 files changed, 177 insertions, 20 deletions
diff --git a/src/core/hle/service/fs.cpp b/src/core/hle/service/fs.cpp
index 9e1998b0..8469d984 100644
--- a/src/core/hle/service/fs.cpp
+++ b/src/core/hle/service/fs.cpp
@@ -12,35 +12,192 @@
namespace FS_User {
+// Command to access archive file
+enum class LowPathType : u32 {
+ Invalid = 0,
+ Empty = 1,
+ Binary = 2,
+ Char = 3,
+ Wchar = 4
+};
+
+std::string GetStringFromCmdBuff(const u32 pointer, const u32 size) {
+ auto data = reinterpret_cast<const char*>(Memory::GetPointer(pointer));
+ return std::string(data, size - 1);
+}
+
+// We currently return 0 for success and -1 for failure in cmd_buff[1]. -1 was chosen because it
+// puts all the sections of the http://3dbrew.org/wiki/Error_codes to something non-zero, to make
+// sure we don't mislead the application into thinking something worked.
+
void Initialize(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
- cmd_buff[1] = 0; // No error
+
+ // TODO(Link Mauve): check the behavior when cmd_buff[1] isn't 32, as per
+ // http://3dbrew.org/wiki/FS:Initialize#Request
+ cmd_buff[1] = 0;
+
+ DEBUG_LOG(KERNEL, "called");
+}
+
+void OpenFile(Service::Interface* self) {
+ u32* cmd_buff = Service::GetCommandBuffer();
+
+ u32 transaction = cmd_buff[1];
+ // TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
+ // 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
+ Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
+ LowPathType type = static_cast<LowPathType>(cmd_buff[4]);
+ u32 size = cmd_buff[5];
+ FileSys::Mode mode; mode.hex = cmd_buff[6];
+ u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes.
+ u32 pointer = cmd_buff[9];
+
+ if (type != LowPathType::Char) {
+ ERROR_LOG(KERNEL, "file LowPath type other than char is currently unsupported");
+ cmd_buff[1] = -1;
+ return;
+ }
+
+ std::string file_name = GetStringFromCmdBuff(pointer, size);
+
+ DEBUG_LOG(KERNEL, "type=%d size=%d mode=%d attrs=%d data=%s", type, size, mode, attributes, file_name.c_str());
+
+ Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_name, mode);
+ if (handle) {
+ cmd_buff[1] = 0;
+ cmd_buff[3] = handle;
+ } else {
+ ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_name.c_str());
+ // TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
+ cmd_buff[1] = -1;
+ }
+
DEBUG_LOG(KERNEL, "called");
}
void OpenFileDirectly(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
- FileSys::Archive::IdCode arch_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[2]);
-
- // TODO(bunnei): Properly implement use of these...
- //u32 transaction = cmd_buff[1];
- //u32 arch_lowpath_type = cmd_buff[3];
- //u32 arch_lowpath_sz = cmd_buff[4];
- //u32 file_lowpath_type = cmd_buff[5];
- //u32 file_lowpath_sz = cmd_buff[6];
- //u32 flags = cmd_buff[7];
- //u32 attr = cmd_buff[8];
- //u32 arch_lowpath_desc = cmd_buff[9];
- //u32 arch_lowpath_ptr = cmd_buff[10];
- //u32 file_lowpath_desc = cmd_buff[11];
- //u32 file_lowpath_ptr = cmd_buff[12];
+ u32 transaction = cmd_buff[1];
+ auto archive_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[2]);
+ LowPathType archive_type = static_cast<LowPathType>(cmd_buff[3]);
+ u32 archive_size = cmd_buff[4];
+ LowPathType type = static_cast<LowPathType>(cmd_buff[5]);
+ u32 size = cmd_buff[6];
+ FileSys::Mode mode; mode.hex = cmd_buff[7];
+ u32 attributes = cmd_buff[8]; // TODO(Link Mauve): do something with those attributes.
+ u32 archive_pointer = cmd_buff[10];
+ u32 pointer = cmd_buff[12];
+
+ if (archive_type != LowPathType::Empty) {
+ ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
+ cmd_buff[1] = -1;
+ return;
+ }
+
+ if (type != LowPathType::Char) {
+ ERROR_LOG(KERNEL, "file LowPath type other than char is currently unsupported");
+ cmd_buff[1] = -1;
+ return;
+ }
+
+ std::string archive_name = GetStringFromCmdBuff(archive_pointer, archive_size);
+ std::string file_name = GetStringFromCmdBuff(pointer, size);
+
+ DEBUG_LOG(KERNEL, "archive_type=%d archive_size=%d archive_data=%s"
+ "file_type=%d file_size=%d file_mode=%d file_attrs=%d file_data=%s",
+ archive_type, archive_size, archive_name.c_str(),
+ type, size, mode, attributes, file_name.c_str());
+
+ // TODO(Link Mauve): check if we should even get a handle for the archive, and don't leak it.
+ Handle archive_handle = Kernel::OpenArchive(archive_id);
+ if (archive_handle) {
+ cmd_buff[1] = 0;
+ // cmd_buff[2] isn't used according to 3dmoo's implementation.
+ cmd_buff[3] = archive_handle;
+ } else {
+ ERROR_LOG(KERNEL, "failed to get a handle for archive %s", archive_name.c_str());
+ // TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
+ cmd_buff[1] = -1;
+ return;
+ }
+
+ Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_name, mode);
+ if (handle) {
+ cmd_buff[1] = 0;
+ cmd_buff[3] = handle;
+ } else {
+ ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_name.c_str());
+ // TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
+ cmd_buff[1] = -1;
+ }
+
+ DEBUG_LOG(KERNEL, "called");
+}
+
+void OpenDirectory(Service::Interface* self) {
+ u32* cmd_buff = Service::GetCommandBuffer();
+
+ // TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
+ // 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
+ Handle archive_handle = static_cast<Handle>(cmd_buff[2]);
+ LowPathType type = static_cast<LowPathType>(cmd_buff[3]);
+ u32 size = cmd_buff[4];
+ u32 pointer = cmd_buff[6];
+
+ if (type != LowPathType::Char) {
+ ERROR_LOG(KERNEL, "directory LowPath type other than char is currently unsupported");
+ cmd_buff[1] = -1;
+ return;
+ }
+
+ std::string dir_name = GetStringFromCmdBuff(pointer, size);
+
+ DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", type, size, dir_name.c_str());
+
+ Handle handle = Kernel::OpenDirectoryFromArchive(archive_handle, dir_name);
+ if (handle) {
+ cmd_buff[1] = 0;
+ cmd_buff[3] = handle;
+ } else {
+ ERROR_LOG(KERNEL, "failed to get a handle for directory %s", dir_name.c_str());
+ // TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
+ cmd_buff[1] = -1;
+ }
+
+ DEBUG_LOG(KERNEL, "called");
+}
+
+void OpenArchive(Service::Interface* self) {
+ u32* cmd_buff = Service::GetCommandBuffer();
+
+ auto arch_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[1]);
+ LowPathType type = static_cast<LowPathType>(cmd_buff[2]);
+ u32 size = cmd_buff[3];
+ u32 pointer = cmd_buff[5];
+
+ if (type != LowPathType::Empty) {
+ ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
+ cmd_buff[1] = -1;
+ return;
+ }
+
+ std::string archive_name = GetStringFromCmdBuff(pointer, size);
+
+ DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", type, size, archive_name.c_str());
Handle handle = Kernel::OpenArchive(arch_id);
- if (0 != handle) {
- cmd_buff[1] = 0; // No error
+ if (handle) {
+ cmd_buff[1] = 0;
+ // cmd_buff[2] isn't used according to 3dmoo's implementation.
cmd_buff[3] = handle;
+ } else {
+ ERROR_LOG(KERNEL, "failed to get a handle for archive %s", archive_name.c_str());
+ // TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
+ cmd_buff[1] = -1;
}
+
DEBUG_LOG(KERNEL, "called");
}
@@ -48,7 +205,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x000100C6, nullptr, "Dummy1"},
{0x040100C4, nullptr, "Control"},
{0x08010002, Initialize, "Initialize"},
- {0x080201C2, nullptr, "OpenFile"},
+ {0x080201C2, OpenFile, "OpenFile"},
{0x08030204, OpenFileDirectly, "OpenFileDirectly"},
{0x08040142, nullptr, "DeleteFile"},
{0x08050244, nullptr, "RenameFile"},
@@ -57,8 +214,8 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x08080202, nullptr, "CreateFile"},
{0x08090182, nullptr, "CreateDirectory"},
{0x080A0244, nullptr, "RenameDirectory"},
- {0x080B0102, nullptr, "OpenDirectory"},
- {0x080C00C2, nullptr, "OpenArchive"},
+ {0x080B0102, OpenDirectory, "OpenDirectory"},
+ {0x080C00C2, OpenArchive, "OpenArchive"},
{0x080D0144, nullptr, "ControlArchive"},
{0x080E0080, nullptr, "CloseArchive"},
{0x080F0180, nullptr, "FormatThisUserSaveData"},
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-23 14:19:25 +0000