mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-04-17 02:43:14 +00:00
381 lines
9.5 KiB
C++
381 lines
9.5 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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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, flags, fd.GetAddr(), arg.GetAddr(), size);
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const wxString& ppath = path;
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//ConLog.Warning("path: %s [%s]", ppath, path);
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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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/*
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//create path
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for(uint p=1;p<ppath.Length();p++)
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{
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for(;p<ppath.Length(); p++) if(ppath[p] == '/') break;
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if(p == ppath.Length()) break;
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const wxString& dir = ppath(0, p);
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if(!wxDirExists(dir))
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{
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ConLog.Write("create dir: %s", dir);
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wxMkdir(dir);
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}
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}
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//create file
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if(!wxFileExists(ppath))
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{
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wxFile f;
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f.Create(ppath);
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f.Close();
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}
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*/
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Emu.GetVFS().Create(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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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, flags);
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return CELL_EINVAL;
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}
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vfsStream* stream = Emu.GetVFS().Open(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, flags);
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delete stream;
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return CELL_ENOENT;
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}
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fd = sys_fs.GetNewId(stream, flags);
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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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ID id;
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if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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vfsStream& file = *(vfsStream*)id.m_data;
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const u64 res = nbytes ? file.Read(Memory.GetMemFromAddr(buf_addr), nbytes) : 0;
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if(nread.IsGood())
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nread = res;
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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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ID id;
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if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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vfsStream& file = *(vfsStream*)id.m_data;
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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.Log("cellFsClose(fd: %d)", fd);
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ID id;
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if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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vfsStream& file = *(vfsStream*)id.m_data;
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file.Close();
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Emu.GetIdManager().RemoveID(fd);
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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.Error("cellFsOpendir(path_addr: 0x%x(%s), fd_addr: 0x%x)", path_addr, path, fd.GetAddr());
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if(!Memory.IsGoodAddr(path_addr) || !fd.IsGood()) return CELL_EFAULT;
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return CELL_OK;
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}
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int cellFsReaddir(u32 fd, u32 dir_addr, mem64_t nread)
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{
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sys_fs.Error("cellFsReaddir(fd: %d, dir_addr: 0x%x, nread_addr: 0x%x)", fd, dir_addr, nread.GetAddr());
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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.Error("cellFsClosedir(fd: %d)", fd);
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return CELL_OK;
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}
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int cellFsStat(const u32 path_addr, mem_struct_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("cellFsFstat(path: %s, sb_addr: 0x%x)", path, sb.GetAddr());
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// Check if path is a mount point. (TODO: Add information in sb_addr)
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for(u32 i=0; i<Emu.GetVFS().m_devices.GetCount(); ++i)
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{
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if (path == Emu.GetVFS().m_devices[i].GetPs3Path().RemoveLast(1))
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{
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sys_fs.Log("cellFsFstat: '%s' is a mount point.", path);
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return CELL_OK;
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}
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}
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auto f = Emu.OpenFile(path);
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if(!f->IsOpened())
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{
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sys_fs.Warning("cellFsFstat: '%s' not found.", path);
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return CELL_ENOENT;
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}
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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 = f->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 cellFsFstat(u32 fd, mem_struct_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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ID id;
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if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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vfsStream& file = *(vfsStream*)id.m_data;
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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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wxString path;
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Emu.GetVFS().GetDevice(ps3_path, path);
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sys_fs.Log("cellFsMkdir(path: %s, mode: 0x%x)", path, mode);
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if(wxDirExists(path)) return CELL_EEXIST;
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if(!wxMkdir(path)) 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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wxString from;
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wxString to;
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Emu.GetVFS().GetDevice(ps3_from, from);
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Emu.GetVFS().GetDevice(ps3_to, to);
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sys_fs.Log("cellFsRename(from: %s, to: %s)", from, to);
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if(!wxFileExists(from)) return CELL_ENOENT;
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if(wxFileExists(to)) return CELL_EEXIST;
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if(!wxRenameFile(from, to)) return CELL_EBUSY; // (TODO: RenameFile(a,b) = CopyFile(a,b) + RemoveFile(a), therefore file "a" will not be removed if it is opened)
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return CELL_OK;
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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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wxString path;
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Emu.GetVFS().GetDevice(ps3_path, path);
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sys_fs.Log("cellFsRmdir(path: %s)", path);
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if(!wxDirExists(path)) return CELL_ENOENT;
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if(!wxRmdir(path)) return CELL_EBUSY; // (TODO: Under certain conditions it is not able to delete the folder)
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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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wxString path;
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Emu.GetVFS().GetDevice(ps3_path, path);
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sys_fs.Error("cellFsUnlink(path: %s)", path);
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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: %d, 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! (%d)", whence);
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return CELL_EINVAL;
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}
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ID id;
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if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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vfsStream& file = *(vfsStream*)id.m_data;
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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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ID id;
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if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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vfsStream& file = *(vfsStream*)id.m_data;
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u64 initialSize = file.GetSize();
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if (initialSize < size) // Is there any better way to fill the remaining bytes with 0, without allocating huge buffers in memory, or writing such a spaghetti code?
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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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char* nullblock = (char*)calloc(4096, sizeof(char));
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for(u64 i = (size-initialSize)/4096; i > 0; i--){
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file.Write(nullblock, 4096);
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}
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free(nullblock);
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char nullbyte = 0;
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for(u64 i = (size-initialSize)%4096; i > 0; i--){
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file.Write(&nullbyte, 1);
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}
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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, size);
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vfsStream* f = Emu.GetVFS().Open(path, vfsRead);
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if(!f || !f->IsOpened())
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{
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sys_fs.Warning("cellFsTruncate: '%s' not found.", path);
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Emu.GetVFS().Close(f);
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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) // Is there any better way to fill the remaining bytes with 0, without allocating huge buffers in memory, or writing such a spaghetti code?
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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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char* nullblock = (char*)calloc(4096, sizeof(char));
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for(u64 i = (size-initialSize)/4096; i > 0; i--){
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f->Write(nullblock, 4096);
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}
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free(nullblock);
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char nullbyte = 0;
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for(u64 i = (size-initialSize)%4096; i > 0; i--){
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f->Write(&nullbyte, 1);
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}
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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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Emu.GetVFS().Close(f);
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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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sector_size = 4096; // ?
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block_size = 4096; // ?
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return CELL_OK;
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} |