Fcntl e0000025 (#10172)

Co-authored-by: Eladash <elad3356p@gmail.com>

rpcs3/Emu/Cell/lv2/sys_fs.cpp

@@ -2,6 +2,7 @@
 #include "sys_sync.h"
 #include "sys_fs.h"
 
+#include "Emu/Cell/PPUModule.h"
 #include "Emu/Cell/PPUThread.h"
 #include "Crypto/unedat.h"
 #include "Emu/System.h"
@@ -1709,9 +1710,53 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
 		break;
 	}
 
-	case 0x00000025: // cellFsSdataOpenWithVersion
+	case 0xe0000025: // cellFsSdataOpenWithVersion
 	{
-		break;
+		const auto arg = vm::static_ptr_cast<lv2_file_e0000025>(_arg);
+
+		if (arg->size != 0x30u)
+		{
+			sys_fs.error("sys_fs_fcntl(0xe0000025): invalid size (0x%x)", arg->size);
+			break;
+		}
+
+		if (arg->_x4 != 0x10u || arg->_x8 != 0x28u)
+		{
+			sys_fs.error("sys_fs_fcntl(0xe0000025): invalid args (0x%x, 0x%x)", arg->_x4, arg->_x8);
+			break;
+		}
+
+		std::string_view vpath{ arg->name.get_ptr(), arg->name_size };
+		vpath = vpath.substr(0, vpath.find_first_of('\0'));
+
+		sys_fs.notice("sys_fs_fcntl(0xe0000025): %s", vpath);
+
+		be_t<u64> sdata_identifier = 0x18000000010;
+
+		lv2_file::open_result_t result = lv2_file::open(vpath, 0, 0, &sdata_identifier, 8);
+
+		if (result.error)
+		{
+			return result.error;
+		}
+
+		if (const u32 id = idm::import<lv2_fs_object, lv2_file>([&]() -> std::shared_ptr<lv2_file>
+		{
+			if (!g_fxo->get<loaded_npdrm_keys>().npdrm_fds.try_inc(16))
+			{
+				return nullptr;
+			}
+
+			return std::make_shared<lv2_file>(result.ppath, std::move(result.file), 0,  0, std::move(result.real_path), lv2_file_type::sdata);
+		}))
+		{
+			arg->out_code = CELL_OK;
+			arg->fd = id;
+			return CELL_OK;
+		}
+
+		// Out of file descriptors
+		return CELL_EMFILE;
 	}
 	}
 

rpcs3/Emu/Cell/lv2/sys_fs.h

@@ -382,6 +382,24 @@ struct lv2_file_op_09 : lv2_file_op
 
 CHECK_SIZE(lv2_file_op_09, 0x40);
 
+struct lv2_file_e0000025 : lv2_file_op
+{
+	be_t<u32> size; // 0x30
+	be_t<u32> _x4;  // 0x10
+	be_t<u32> _x8;  // 0x28 - offset of out_code
+	be_t<u32> name_size;
+	vm::bcptr<char> name;
+	be_t<u32> _x14;
+	be_t<u32> _x18;  // 0
+	be_t<u32> _x1c;  // 0
+	be_t<u32> _x20;  // 16
+	be_t<u32> _x24;  // unk, seems to be memory location
+	be_t<u32> out_code;  // out_code
+	be_t<u32> fd;  // 0xffffffff - likely fd out
+};
+
+CHECK_SIZE(lv2_file_e0000025, 0x30);
+
 // sys_fs_fnctl: cellFsGetDirectoryEntries
 struct lv2_file_op_dir : lv2_file_op
 {