rpcs3/rpcs3/Emu/SysCalls/Modules/sys_fs.cpp
2014-03-27 09:22:56 -04:00

334 lines
9.1 KiB
C++

#include "stdafx.h"
#include "Emu/SysCalls/SysCalls.h"
#include "Emu/SysCalls/SC_FUNC.h"
void sys_fs_init();
Module sys_fs(0x000e, sys_fs_init);
bool sdata_check(u32 version, u32 flags, u64 filesizeInput, u64 filesizeTmp)
{
if (version > 4 || flags & 0x7EFFFFC0){
printf("ERROR: unknown version");
return false;
}
if ((version == 1 && (flags & 0x7FFFFFFE)) ||
(version == 2 && (flags & 0x7EFFFFC0))){
printf("ERROR: unknown or unsupported type");
return false;
}
if (filesizeTmp > filesizeInput){
printf("ERROR: input file size is too short.");
return false;
}
if (!(flags & 0x80000000)){
printf("ERROR: cannot extract finalized edata.");
return false;
}
return true;
}
int sdata_unpack(wxString packed_file, wxString unpacked_file)
{
std::shared_ptr<vfsFileBase> packed_stream(Emu.GetVFS().OpenFile(packed_file, vfsRead));
std::shared_ptr<vfsFileBase> unpacked_stream(Emu.GetVFS().OpenFile(unpacked_file, vfsWrite));
if(!packed_stream || !packed_stream->IsOpened())
{
sys_fs.Error("'%s' not found! flags: 0x%08x", packed_file.wx_str(), vfsRead);
return CELL_ENOENT;
}
if(!unpacked_stream || !unpacked_stream->IsOpened())
{
sys_fs.Error("'%s' couldn't be created! flags: 0x%08x", unpacked_file.wx_str(), vfsWrite);
return CELL_ENOENT;
}
char buffer [10200];
packed_stream->Read(buffer, 256);
u32 format = re32(*(u32*)&buffer[0]);
if (format != 0x4E504400) // "NPD\x00"
{
sys_fs.Error("Illegal format. Expected 0x4E504400, but got 0x%08x", format);
return CELL_EFSSPECIFIC;
}
u32 version = re32(*(u32*)&buffer[0x04]);
u32 flags = re32(*(u32*)&buffer[0x80]);
u32 blockSize = re32(*(u32*)&buffer[0x84]);
u64 filesizeOutput = re64(*(u64*)&buffer[0x88]);
u64 filesizeInput = packed_stream->GetSize();
u32 blockCount = (filesizeOutput + blockSize-1) / blockSize;
// SDATA file is compressed
if (flags & 0x1)
{
sys_fs.Warning("cellFsSdataOpen: Compressed SDATA files are not supported yet.");
return CELL_EFSSPECIFIC;
}
// SDATA file is NOT compressed
else
{
u32 t1 = (flags & 0x20) ? 0x20 : 0x10;
u32 startOffset = (blockCount * t1) + 0x100;
u64 filesizeTmp = (filesizeOutput+0xF)&0xFFFFFFF0 + startOffset;
if (!sdata_check(version, flags, filesizeInput, filesizeTmp))
{
sys_fs.Error("cellFsSdataOpen: Wrong header information.");
return CELL_EFSSPECIFIC;
}
if (flags & 0x20)
packed_stream->Seek(0x100);
else
packed_stream->Seek(startOffset);
for (u32 i = 0; i < blockCount; i++)
{
if (flags & 0x20)
packed_stream->Seek(packed_stream->Tell() + t1);
if (!(blockCount-i-1))
blockSize = filesizeOutput-i*blockSize;
packed_stream->Read(buffer+256, blockSize);
unpacked_stream->Write(buffer+256, blockSize);
}
}
return CELL_OK;
}
int cellFsSdataOpen(u32 path_addr, int flags, mem32_t fd, mem32_t arg, u64 size)
{
const wxString& path = Memory.ReadString(path_addr);
sys_fs.Warning("cellFsSdataOpen(path=\"%s\", flags=0x%x, fd_addr=0x%x, arg_addr=0x%x, size=0x%llx)",
path.wx_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
if (!fd.IsGood() || (!arg.IsGood() && size))
return CELL_EFAULT;
if (flags != CELL_O_RDONLY)
return CELL_EINVAL;
if (!path.Lower().EndsWith(".sdat"))
return CELL_ENOTSDATA;
wxString unpacked_path = "/dev_hdd1/"+path.AfterLast('/')+".unpacked";
int ret = sdata_unpack(path, unpacked_path);
if (ret) return ret;
fd = sys_fs.GetNewId(Emu.GetVFS().OpenFile(unpacked_path, vfsRead), flags);
return CELL_OK;
}
std::atomic<u32> g_FsAioReadID( 0 );
std::atomic<u32> g_FsAioReadCur( 0 );
bool aio_init = false;
void fsAioRead(u32 fd, mem_ptr_t<CellFsAio> aio, int xid, mem_func_ptr_t<void (*)(mem_ptr_t<CellFsAio> xaio, int error, int xid, u64 size)> func)
{
while (g_FsAioReadCur != xid)
{
Sleep(1);
if (Emu.IsStopped())
{
ConLog.Warning("fsAioRead() aborted");
return;
}
}
vfsFileBase* orig_file;
if(!sys_fs.CheckId(fd, orig_file)) return;
const wxString path = orig_file->GetPath().AfterFirst('/');
u64 nbytes = aio->size;
u32 buf_addr = aio->buf_addr;
u32 res = 0;
u32 error = CELL_OK;
vfsStream& file = *(vfsStream*)orig_file;
const u64 old_pos = file.Tell();
file.Seek((u64)aio->offset);
u32 count = nbytes;
if (nbytes != (u64)count)
{
error = CELL_ENOMEM;
goto fin;
}
if (!Memory.IsGoodAddr(buf_addr))
{
error = CELL_EFAULT;
goto fin;
}
if (count) if (u32 frag = buf_addr & 4095) // memory page fragment
{
u32 req = min(count, 4096 - frag);
u32 read = file.Read(Memory + buf_addr, req);
buf_addr += req;
res += read;
count -= req;
if (read < req) goto fin;
}
for (u32 pages = count / 4096; pages > 0; pages--) // full pages
{
if (!Memory.IsGoodAddr(buf_addr)) goto fin; // ??? (probably EFAULT)
u32 read = file.Read(Memory + buf_addr, 4096);
buf_addr += 4096;
res += read;
count -= 4096;
if (read < 4096) goto fin;
}
if (count) // last fragment
{
if (!Memory.IsGoodAddr(buf_addr)) goto fin;
res += file.Read(Memory + buf_addr, count);
}
fin:
file.Seek(old_pos);
ConLog.Warning("*** fsAioRead(fd=%d, offset=0x%llx, buf_addr=0x%x, size=0x%x, error=0x%x, res=0x%x, xid=0x%x [%s])",
fd, (u64)aio->offset, buf_addr, (u64)aio->size, error, res, xid, path.wx_str());
if (func) // start callback thread
{
func.async(aio, error, xid, res);
}
/*CPUThread& thr = Emu.GetCallbackThread();
while (thr.IsAlive())
{
Sleep(1);
if (Emu.IsStopped())
{
ConLog.Warning("fsAioRead() aborted");
break;
}
}*/
g_FsAioReadCur++;
}
int cellFsAioRead(mem_ptr_t<CellFsAio> aio, mem32_t aio_id, mem_func_ptr_t<void (*)(mem_ptr_t<CellFsAio> xaio, int error, int xid, u64 size)> func)
{
sys_fs.Warning("cellFsAioRead(aio_addr=0x%x, id_addr=0x%x, func_addr=0x%x)", aio.GetAddr(), aio_id.GetAddr(), func.GetAddr());
if (!aio.IsGood() || !aio_id.IsGood() || !func.IsGood())
{
return CELL_EFAULT;
}
if (!aio_init)
{
return CELL_ENXIO;
}
vfsFileBase* orig_file;
u32 fd = aio->fd;
if (!sys_fs.CheckId(fd, orig_file)) return CELL_EBADF;
//get a unique id for the callback (may be used by cellFsAioCancel)
const u32 xid = g_FsAioReadID++;
aio_id = xid;
{
thread t("fsAioRead", std::bind(fsAioRead, fd, aio, xid, func));
t.detach();
}
return CELL_OK;
}
int cellFsAioInit(mem8_ptr_t mount_point)
{
wxString mp = Memory.ReadString(mount_point.GetAddr());
sys_fs.Warning("cellFsAioInit(mount_point_addr=0x%x (%s))", mount_point.GetAddr(), mp.wx_str());
aio_init = true;
return CELL_OK;
}
int cellFsAioFinish(mem8_ptr_t mount_point)
{
wxString mp = Memory.ReadString(mount_point.GetAddr());
sys_fs.Warning("cellFsAioFinish(mount_point_addr=0x%x (%s))", mount_point.GetAddr(), mp.wx_str());
aio_init = false;
return CELL_OK;
}
int cellFsReadWithOffset(u32 fd, u64 offset, u32 buf_addr, u64 buffer_size, mem64_t nread)
{
sys_fs.Warning("cellFsReadWithOffset(fd=%d, offset=0x%llx, buf_addr=0x%x, buffer_size=%lld nread=0x%llx)",
fd, offset, buf_addr, buffer_size, nread.GetAddr());
int ret;
MemoryAllocator<be_t<u64>> oldPos, newPos;
ret = cellFsLseek(fd, 0, CELL_SEEK_CUR, oldPos.GetAddr()); // Save the current position
if (ret) return ret;
ret = cellFsLseek(fd, offset, CELL_SEEK_SET, newPos.GetAddr()); // Move to the specified offset
if (ret) return ret;
ret = cellFsRead(fd, buf_addr, buffer_size, nread.GetAddr()); // Read the file
if (ret) return ret;
ret = cellFsLseek(fd, Memory.Read64(oldPos.GetAddr()), CELL_SEEK_SET, newPos.GetAddr()); // Return to the old position
if (ret) return ret;
return CELL_OK;
}
void sys_fs_init()
{
sys_fs.AddFunc(0x718bf5f8, cellFsOpen);
sys_fs.AddFunc(0xb1840b53, cellFsSdataOpen);
sys_fs.AddFunc(0x4d5ff8e2, cellFsRead);
sys_fs.AddFunc(0xecdcf2ab, cellFsWrite);
sys_fs.AddFunc(0x2cb51f0d, cellFsClose);
sys_fs.AddFunc(0x3f61245c, cellFsOpendir);
sys_fs.AddFunc(0x5c74903d, cellFsReaddir);
sys_fs.AddFunc(0xff42dcc3, cellFsClosedir);
sys_fs.AddFunc(0x7de6dced, cellFsStat);
sys_fs.AddFunc(0xef3efa34, cellFsFstat);
sys_fs.AddFunc(0xba901fe6, cellFsMkdir);
sys_fs.AddFunc(0xf12eecc8, cellFsRename);
sys_fs.AddFunc(0x2796fdf3, cellFsRmdir);
sys_fs.AddFunc(0x7f4677a8, cellFsUnlink);
sys_fs.AddFunc(0xa397d042, cellFsLseek);
sys_fs.AddFunc(0x0e2939e5, cellFsFtruncate);
sys_fs.AddFunc(0xc9dc3ac5, cellFsTruncate);
sys_fs.AddFunc(0xcb588dba, cellFsFGetBlockSize);
sys_fs.AddFunc(0xc1c507e7, cellFsAioRead);
sys_fs.AddFunc(0xdb869f20, cellFsAioInit);
sys_fs.AddFunc(0x9f951810, cellFsAioFinish);
sys_fs.AddFunc(0x1a108ab7, cellFsGetBlockSize);
sys_fs.AddFunc(0xaa3b4bcd, cellFsGetFreeSize);
sys_fs.AddFunc(0x0d5b4a14, cellFsReadWithOffset);
sys_fs.AddFunc(0x9b882495, cellFsGetDirectoryEntries);
sys_fs.AddFunc(0x2664c8ae, cellFsStReadInit);
sys_fs.AddFunc(0xd73938df, cellFsStReadFinish);
sys_fs.AddFunc(0xb3afee8b, cellFsStReadGetRingBuf);
sys_fs.AddFunc(0xcf34969c, cellFsStReadGetStatus);
sys_fs.AddFunc(0xbd273a88, cellFsStReadGetRegid);
sys_fs.AddFunc(0x8df28ff9, cellFsStReadStart);
sys_fs.AddFunc(0xf8e5d9a0, cellFsStReadStop);
sys_fs.AddFunc(0x27800c6b, cellFsStRead);
sys_fs.AddFunc(0x190912f6, cellFsStReadGetCurrentAddr);
sys_fs.AddFunc(0x81f33783, cellFsStReadPutCurrentAddr);
sys_fs.AddFunc(0x8f71c5b2, cellFsStReadWait);
sys_fs.AddFunc(0x866f6aec, cellFsStReadWaitCallback);
aio_init = false;
}