mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-07-04 14:01:25 +12:00
467 lines
10 KiB
C++
467 lines
10 KiB
C++
#include "stdafx.h"
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#include "SC_FileSystem.h"
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#include "Emu/SysCalls/SysCalls.h"
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extern Module sys_fs;
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enum
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{
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IDFlag_File = 1,
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IDFlag_Dir = 2,
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};
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int cellFsOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
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{
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const wxString& path = Memory.ReadString(path_addr);
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sys_fs.Log("cellFsOpen(path=\"%s\", flags=0x%x, fd_addr=0x%x, arg_addr=0x%x, size=0x%llx)",
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path.wx_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
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const wxString& ppath = path;
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//ConLog.Warning("path: %s [%s]", ppath.wx_str(), path.wx_str());
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s32 _oflags = flags;
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if(flags & CELL_O_CREAT)
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{
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_oflags &= ~CELL_O_CREAT;
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Emu.GetVFS().CreateFile(ppath);
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}
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vfsOpenMode o_mode;
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switch(flags & CELL_O_ACCMODE)
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{
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case CELL_O_RDONLY:
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_oflags &= ~CELL_O_RDONLY;
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o_mode = vfsRead;
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break;
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case CELL_O_WRONLY:
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_oflags &= ~CELL_O_WRONLY;
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if(flags & CELL_O_APPEND)
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{
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_oflags &= ~CELL_O_APPEND;
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o_mode = vfsWriteAppend;
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}
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else if(flags & CELL_O_EXCL)
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{
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_oflags &= ~CELL_O_EXCL;
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o_mode = vfsWriteExcl;
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}
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else //if (flags & CELL_O_TRUNC)
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{
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_oflags &= ~CELL_O_TRUNC;
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o_mode = vfsWrite;
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}
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break;
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case CELL_O_RDWR:
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_oflags &= ~CELL_O_RDWR;
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if (flags & CELL_O_TRUNC)
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{
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_oflags &= ~CELL_O_TRUNC;
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//truncate file before opening it as read/write
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Emu.GetVFS().OpenFile(ppath, vfsWrite);
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}
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o_mode = vfsReadWrite;
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break;
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}
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if(_oflags != 0)
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{
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sys_fs.Error("\"%s\" has unknown flags! flags: 0x%08x", ppath.wx_str(), flags);
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return CELL_EINVAL;
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}
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vfsFileBase* stream = Emu.GetVFS().OpenFile(ppath, o_mode);
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if(!stream || !stream->IsOpened())
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{
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sys_fs.Error("\"%s\" not found! flags: 0x%08x", ppath.wx_str(), flags);
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return CELL_ENOENT;
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}
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fd = sys_fs.GetNewId(stream, IDFlag_File);
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ConLog.Warning("*** cellFsOpen(path=\"%s\"): fd = %d", path.wx_str(), fd.GetValue());
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return CELL_OK;
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}
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int cellFsRead(u32 fd, u32 buf_addr, u64 nbytes, mem64_t nread)
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{
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sys_fs.Log("cellFsRead(fd=%d, buf_addr=0x%x, nbytes=0x%llx, nread_addr=0x%x)",
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fd, buf_addr, nbytes, nread.GetAddr());
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vfsStream* file;
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if(!sys_fs.CheckId(fd, file)) return CELL_ESRCH;
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if (nread.GetAddr() && !nread.IsGood()) return CELL_EFAULT;
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u32 res = 0;
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u32 count = nbytes;
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if (nbytes != (u64)count) return CELL_ENOMEM;
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if (!Memory.IsGoodAddr(buf_addr)) return CELL_EFAULT;
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if (count) if (u32 frag = buf_addr & 4095) // memory page fragment
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{
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u32 req = min(count, 4096 - frag);
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u32 read = file->Read(Memory + buf_addr, req);
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buf_addr += req;
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res += read;
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count -= req;
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if (read < req) goto fin;
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}
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for (u32 pages = count / 4096; pages > 0; pages--) // full pages
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{
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if (!Memory.IsGoodAddr(buf_addr)) goto fin; // ??? (probably EFAULT)
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u32 read = file->Read(Memory + buf_addr, 4096);
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buf_addr += 4096;
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res += read;
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count -= 4096;
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if (read < 4096) goto fin;
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}
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if (count) // last fragment
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{
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if (!Memory.IsGoodAddr(buf_addr)) goto fin;
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res += file->Read(Memory + buf_addr, count);
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}
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fin:
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if (nread.GetAddr()) nread = res; // write value if not NULL
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return CELL_OK;
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}
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int cellFsWrite(u32 fd, u32 buf_addr, u64 nbytes, mem64_t nwrite)
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{
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sys_fs.Log("cellFsWrite(fd=%d, buf_addr=0x%x, nbytes=0x%llx, nwrite_addr=0x%x)",
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fd, buf_addr, nbytes, nwrite.GetAddr());
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vfsStream* file;
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if(!sys_fs.CheckId(fd, file)) return CELL_ESRCH;
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if(Memory.IsGoodAddr(buf_addr) && !Memory.IsGoodAddr(buf_addr, nbytes))
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{
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MemoryBlock& block = Memory.GetMemByAddr(buf_addr);
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nbytes = block.GetSize() - (buf_addr - block.GetStartAddr());
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}
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const u64 res = nbytes ? file->Write(Memory.GetMemFromAddr(buf_addr), nbytes) : 0;
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if(nwrite.IsGood())
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nwrite = res;
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return CELL_OK;
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}
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int cellFsClose(u32 fd)
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{
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sys_fs.Warning("cellFsClose(fd=%d)", fd);
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if(!Emu.GetIdManager().RemoveID(fd))
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return CELL_ESRCH;
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return CELL_OK;
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}
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int cellFsOpendir(u32 path_addr, mem32_t fd)
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{
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const wxString& path = Memory.ReadString(path_addr);
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sys_fs.Warning("cellFsOpendir(path=\"%s\", fd_addr=0x%x)", path.wx_str(), fd.GetAddr());
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if(!Memory.IsGoodAddr(path_addr) || !fd.IsGood())
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return CELL_EFAULT;
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vfsDirBase* dir = Emu.GetVFS().OpenDir(path);
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if(!dir || !dir->IsOpened())
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{
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delete dir;
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return CELL_ENOENT;
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}
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fd = sys_fs.GetNewId(dir, IDFlag_Dir);
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return CELL_OK;
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}
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int cellFsReaddir(u32 fd, mem_ptr_t<CellFsDirent> dir, mem64_t nread)
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{
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sys_fs.Log("cellFsReaddir(fd=%d, dir_addr=0x%x, nread_addr=0x%x)", fd, dir.GetAddr(), nread.GetAddr());
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vfsDirBase* directory;
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if(!sys_fs.CheckId(fd, directory))
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return CELL_ESRCH;
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if(!dir.IsGood() || !nread.IsGood())
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return CELL_EFAULT;
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const DirEntryInfo* info = directory->Read();
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if(info)
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{
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nread = 1;
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Memory.WriteString(dir.GetAddr()+2, info->name.wx_str());
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dir->d_namlen = info->name.Length();
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dir->d_type = (info->flags & DirEntry_TypeFile) ? CELL_FS_TYPE_REGULAR : CELL_FS_TYPE_DIRECTORY;
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}
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else
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{
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nread = 0;
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}
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return CELL_OK;
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}
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int cellFsClosedir(u32 fd)
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{
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sys_fs.Log("cellFsClosedir(fd=%d)", fd);
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if(!Emu.GetIdManager().RemoveID(fd))
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return CELL_ESRCH;
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return CELL_OK;
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}
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int cellFsStat(const u32 path_addr, mem_ptr_t<CellFsStat> sb)
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{
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const wxString& path = Memory.ReadString(path_addr);
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sys_fs.Log("cellFsStat(path=\"%s\", sb_addr: 0x%x)", path.wx_str(), sb.GetAddr());
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sb->st_mode =
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CELL_FS_S_IRUSR | CELL_FS_S_IWUSR | CELL_FS_S_IXUSR |
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CELL_FS_S_IRGRP | CELL_FS_S_IWGRP | CELL_FS_S_IXGRP |
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CELL_FS_S_IROTH | CELL_FS_S_IWOTH | CELL_FS_S_IXOTH;
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sb->st_uid = 0;
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sb->st_gid = 0;
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sb->st_atime_ = 0; //TODO
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sb->st_mtime_ = 0; //TODO
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sb->st_ctime_ = 0; //TODO
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sb->st_blksize = 4096;
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{
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vfsDir dir(path);
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if(dir.IsOpened())
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{
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sb->st_mode |= CELL_FS_S_IFDIR;
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return CELL_OK;
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}
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}
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{
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vfsFile f(path);
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if(f.IsOpened())
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{
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sb->st_mode |= CELL_FS_S_IFREG;
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sb->st_size = f.GetSize();
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return CELL_OK;
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}
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}
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sys_fs.Warning("cellFsStat: \"%s\" not found.", path.wx_str());
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return CELL_ENOENT;
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}
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int cellFsFstat(u32 fd, mem_ptr_t<CellFsStat> sb)
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{
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sys_fs.Log("cellFsFstat(fd=%d, sb_addr: 0x%x)", fd, sb.GetAddr());
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u32 attr;
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vfsStream* file;
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if(!sys_fs.CheckId(fd, file, attr) || attr != IDFlag_File) return CELL_ESRCH;
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sb->st_mode =
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CELL_FS_S_IRUSR | CELL_FS_S_IWUSR | CELL_FS_S_IXUSR |
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CELL_FS_S_IRGRP | CELL_FS_S_IWGRP | CELL_FS_S_IXGRP |
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CELL_FS_S_IROTH | CELL_FS_S_IWOTH | CELL_FS_S_IXOTH;
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sb->st_mode |= CELL_FS_S_IFREG; //TODO: dir CELL_FS_S_IFDIR
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sb->st_uid = 0;
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sb->st_gid = 0;
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sb->st_atime_ = 0; //TODO
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sb->st_mtime_ = 0; //TODO
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sb->st_ctime_ = 0; //TODO
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sb->st_size = file->GetSize();
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sb->st_blksize = 4096;
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return CELL_OK;
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}
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int cellFsMkdir(u32 path_addr, u32 mode)
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{
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const wxString& ps3_path = Memory.ReadString(path_addr);
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sys_fs.Log("cellFsMkdir(path=\"%s\", mode=0x%x)", ps3_path.wx_str(), mode);
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vfsDir dir;
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if(dir.IsExists(ps3_path))
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return CELL_EEXIST;
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if(!dir.Create(ps3_path))
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return CELL_EBUSY;
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return CELL_OK;
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}
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int cellFsRename(u32 from_addr, u32 to_addr)
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{
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const wxString& ps3_from = Memory.ReadString(from_addr);
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const wxString& ps3_to = Memory.ReadString(to_addr);
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{
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vfsDir dir;
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if(dir.IsExists(ps3_from))
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{
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if(!dir.Rename(ps3_from, ps3_to))
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return CELL_EBUSY;
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return CELL_OK;
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}
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}
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{
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vfsFile f;
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if(f.Exists(ps3_from))
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{
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if(!f.Rename(ps3_from, ps3_to))
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return CELL_EBUSY;
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return CELL_OK;
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}
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}
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return CELL_ENOENT;
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}
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int cellFsRmdir(u32 path_addr)
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{
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const wxString& ps3_path = Memory.ReadString(path_addr);
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sys_fs.Log("cellFsRmdir(path=\"%s\")", ps3_path.wx_str());
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vfsDir d;
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if(!d.IsExists(ps3_path))
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return CELL_ENOENT;
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if(!d.Remove(ps3_path))
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return CELL_EBUSY;
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return CELL_OK;
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}
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int cellFsUnlink(u32 path_addr)
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{
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const wxString& ps3_path = Memory.ReadString(path_addr);
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sys_fs.Warning("cellFsUnlink(path=\"%s\")", ps3_path.wx_str());
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if (ps3_path.empty())
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return CELL_EFAULT;
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if (Emu.GetVFS().ExistsDir(ps3_path))
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return CELL_EISDIR;
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if (!Emu.GetVFS().ExistsFile(ps3_path))
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return CELL_ENOENT;
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if (!Emu.GetVFS().RemoveFile(ps3_path))
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return CELL_EACCES;
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return CELL_OK;
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}
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int cellFsLseek(u32 fd, s64 offset, u32 whence, mem64_t pos)
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{
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vfsSeekMode seek_mode;
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sys_fs.Log("cellFsLseek(fd=%d, offset=0x%llx, whence=0x%x, pos_addr=0x%x)", fd, offset, whence, pos.GetAddr());
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switch(whence)
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{
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case CELL_SEEK_SET: seek_mode = vfsSeekSet; break;
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case CELL_SEEK_CUR: seek_mode = vfsSeekCur; break;
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case CELL_SEEK_END: seek_mode = vfsSeekEnd; break;
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default:
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sys_fs.Error(fd, "Unknown seek whence! (0x%x)", whence);
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return CELL_EINVAL;
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}
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u32 attr;
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vfsStream* file;
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if(!sys_fs.CheckId(fd, file, attr) || attr != IDFlag_File) return CELL_ESRCH;
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pos = file->Seek(offset, seek_mode);
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return CELL_OK;
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}
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int cellFsFtruncate(u32 fd, u64 size)
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{
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sys_fs.Log("cellFsFtruncate(fd=%d, size=%lld)", fd, size);
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u32 attr;
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vfsStream* file;
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if(!sys_fs.CheckId(fd, file, attr) || attr != IDFlag_File) return CELL_ESRCH;
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u64 initialSize = file->GetSize();
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if (initialSize < size)
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{
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u64 last_pos = file->Tell();
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file->Seek(0, vfsSeekEnd);
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static const char nullbyte = 0;
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file->Seek(size-initialSize-1, vfsSeekCur);
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file->Write(&nullbyte, sizeof(char));
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file->Seek(last_pos, vfsSeekSet);
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}
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if (initialSize > size)
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{
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// (TODO)
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}
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return CELL_OK;
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}
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int cellFsTruncate(u32 path_addr, u64 size)
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{
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const wxString& path = Memory.ReadString(path_addr);
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sys_fs.Log("cellFsTruncate(path=\"%s\", size=%lld)", path.wx_str(), size);
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vfsFile f(path, vfsReadWrite);
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if(!f.IsOpened())
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{
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sys_fs.Warning("cellFsTruncate: \"%s\" not found.", path.wx_str());
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return CELL_ENOENT;
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}
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u64 initialSize = f.GetSize();
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if (initialSize < size)
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{
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u64 last_pos = f.Tell();
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f.Seek(0, vfsSeekEnd);
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static const char nullbyte = 0;
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f.Seek(size-initialSize-1, vfsSeekCur);
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f.Write(&nullbyte, sizeof(char));
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f.Seek(last_pos, vfsSeekSet);
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}
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if (initialSize > size)
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{
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// (TODO)
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}
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return CELL_OK;
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}
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int cellFsFGetBlockSize(u32 fd, mem64_t sector_size, mem64_t block_size)
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{
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sys_fs.Log("cellFsFGetBlockSize(fd=%d, sector_size_addr: 0x%x, block_size_addr: 0x%x)", fd, sector_size.GetAddr(), block_size.GetAddr());
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vfsStream* file;
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if(!sys_fs.CheckId(fd, file)) return CELL_ESRCH;
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sector_size = 4096; // ?
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block_size = 4096; // ?
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return CELL_OK;
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}
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int cellFsGetBlockSize(u32 path_addr, mem64_t sector_size, mem64_t block_size)
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{
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sys_fs.Log("cellFsGetBlockSize(file: %s, sector_size_addr: 0x%x, block_size_addr: 0x%x)", Memory.ReadString(path_addr).wx_str(), sector_size.GetAddr(), block_size.GetAddr());
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sector_size = 4096; // ?
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block_size = 4096; // ?
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return CELL_OK;
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}
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