mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-04-17 11:43:19 +00:00
258 lines
7.0 KiB
C++
258 lines
7.0 KiB
C++
#include "stdafx.h"
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#include "Emu/SysCalls/SysCalls.h"
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#include "Emu/SysCalls/SC_FUNC.h"
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void sys_fs_init();
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void sys_fs_unload();
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Module sys_fs(0x000e, sys_fs_init, nullptr, sys_fs_unload);
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std::atomic<u32> g_FsAioReadID = 0;
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Array<vfsStream*> FDs;
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bool sdata_check(u32 version, u32 flags, u64 filesizeInput, u64 filesizeTmp)
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{
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if (version > 4 || flags & 0x7EFFFFC0){
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printf("ERROR: unknown version");
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return false;
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}
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if ((version == 1 && (flags & 0x7FFFFFFE)) ||
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(version == 2 && (flags & 0x7EFFFFC0))){
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printf("ERROR: unknown or unsupported type");
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return false;
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}
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if (filesizeTmp > filesizeInput){
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printf("ERROR: input file size is too short.");
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return false;
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}
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if (!(flags & 0x80000000)){
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printf("ERROR: cannot extract finalized edata.");
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return false;
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}
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return true;
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}
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int sdata_unpack(wxString packed_file, wxString unpacked_file)
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{
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vfsStream* packed_stream = Emu.GetVFS().Open(packed_file, vfsRead);
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vfsStream* unpacked_stream = Emu.GetVFS().Open(unpacked_file, vfsWrite);
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if(!packed_stream || !packed_stream->IsOpened())
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{
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sys_fs.Error("'%s' not found! flags: 0x%08x", packed_file.mb_str(), vfsRead);
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delete packed_stream;
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return CELL_ENOENT;
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}
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if(!unpacked_stream || !unpacked_stream->IsOpened())
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{
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sys_fs.Error("'%s' couldn't be created! flags: 0x%08x", unpacked_file.mb_str(), vfsWrite);
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delete unpacked_stream;
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return CELL_ENOENT;
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}
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char buffer [10200];
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packed_stream->Read(buffer, 256);
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if (re32(*(u32*)&buffer[0]) != 0x4E504400) // "NPD\x00"
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{
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printf("ERROR: illegal format.");
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return CELL_EFSSPECIFIC;
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}
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u32 version = re32(*(u32*)&buffer[0x04]);
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u32 flags = re32(*(u32*)&buffer[0x80]);
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u32 blockSize = re32(*(u32*)&buffer[0x84]);
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u64 filesizeOutput = re64(*(u64*)&buffer[0x88]);
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u64 filesizeInput = packed_stream->GetSize();
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u32 blockCount = (filesizeOutput + blockSize-1) / blockSize;
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// SDATA file is compressed
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if (flags & 0x1)
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{
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sys_fs.Warning("cellFsSdataOpen: Compressed SDATA files are not supported yet.");
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return CELL_EFSSPECIFIC;
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}
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// SDATA file is NOT compressed
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else
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{
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u32 t1 = (flags & 0x20) ? 0x20 : 0x10;
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u32 startOffset = (blockCount * t1) + 0x100;
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u64 filesizeTmp = (filesizeOutput+0xF)&0xFFFFFFF0 + startOffset;
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if (!sdata_check(version, flags, filesizeInput, filesizeTmp))
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{
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sys_fs.Error("cellFsSdataOpen: Wrong header information.");
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return CELL_EFSSPECIFIC;
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}
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if (flags & 0x20)
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packed_stream->Seek(0x100);
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else
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packed_stream->Seek(startOffset);
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for (u32 i = 0; i < blockCount; i++)
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{
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if (flags & 0x20)
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packed_stream->Seek(packed_stream->Tell() + t1);
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if (!(blockCount-i-1))
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blockSize = filesizeOutput-i*blockSize;
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packed_stream->Read(buffer+256, blockSize);
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unpacked_stream->Write(buffer+256, blockSize);
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}
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}
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packed_stream->Close();
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unpacked_stream->Close();
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return CELL_OK;
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}
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int cellFsSdataOpen(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.Warning("cellFsSdataOpen(path: %s, flags: 0x%x, fd_addr: 0x%x, arg_addr: 0x%x, size: 0x%llx)",
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path.mb_str(), flags, fd.GetAddr(), arg.GetAddr(), size);
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if (!fd.IsGood() || (!arg.IsGood() && size))
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return CELL_EFAULT;
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if (flags != CELL_O_RDONLY)
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return CELL_EINVAL;
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if (!path.Lower().EndsWith(".sdat"))
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return CELL_ENOTSDATA;
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wxString unpacked_path = "/dev_hdd1/"+path.AfterLast('/')+".unpacked";
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int ret = sdata_unpack(path, unpacked_path);
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if (ret) return ret;
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vfsStream* stream = Emu.GetVFS().Open(unpacked_path, vfsRead);
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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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void fsAioRead(u32 fd, mem_ptr_t<CellFsAio> aio, int xid, mem_func_ptr_t<void (*)(u32 xaio_addr, u32 error, int xid, u64 size)> func)
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{
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vfsFileBase& orig_file = *(vfsFileBase*)FDs[fd];
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const wxString path = orig_file.GetPath().AfterFirst('/');
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u64 nbytes = (u64)aio->size;
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const u32 buf_addr = (u32)aio->buf_addr;
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u64 res;
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u32 error;
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if(Memory.IsGoodAddr(buf_addr))
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{
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/*
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//open the file again (to prevent access conflicts roughly)
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vfsLocalFile file(path, vfsRead);
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*/
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vfsStream& file = *(vfsStream*)FDs[fd];
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if(!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 old_pos = file.Tell();
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file.Seek((u64)aio->offset);
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res = nbytes ? file.Read(Memory.GetMemFromAddr(buf_addr), nbytes) : 0;
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file.Seek(old_pos);
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error = CELL_OK;
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}
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else
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{
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res = 0;
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error = CELL_EFAULT;
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}
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//start callback thread
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if(func)
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func.async(aio.GetAddr(), error, xid, res);
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ConLog.Warning("*** fsAioRead(fd=%d, offset=0x%llx, buf_addr=0x%x, size=%d, res=%d, xid=%d [%s])",
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fd, (u64)aio->offset, buf_addr, (u64)aio->size, res, xid, path.c_str());
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}
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int cellFsAioRead(mem_ptr_t<CellFsAio> aio, mem32_t aio_id, mem_func_ptr_t<void (*)(u32 xaio_addr, u32 error, int xid, u64 size)> func)
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{
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sys_fs.Warning("cellFsAioRead(aio_addr=0x%x, id_addr=0x%x, func_addr=0x%x)", aio.GetAddr(), aio_id.GetAddr(), func.GetAddr());
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//ID id;
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u32 fd = (u32)aio->fd;
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//if(!sys_fs.CheckId(fd, id)) return CELL_ESRCH;
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if (fd >= FDs.GetCount()) return CELL_ESRCH;
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if (FDs[fd] == nullptr) return CELL_ESRCH;
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//vfsFileBase& orig_file = *(vfsFileBase*)id.m_data;
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vfsFileBase& orig_file = *(vfsFileBase*)FDs[fd];
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//get a unique id for the callback (may be used by cellFsAioCancel)
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const u32 xid = g_FsAioReadID++;
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//read data in another thread (doesn't work correctly):
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//std::thread t(fsAioRead, fd, aio, xid, func);
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//t.detach();
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//read data immediately (actually it should be read in special thread):
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fsAioRead(fd, aio, xid, func);
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aio_id = xid;
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return CELL_OK;
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}
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int cellFsAioInit(mem8_ptr_t mount_point)
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{
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sys_fs.Warning("cellFsAioInit(mount_point_addr=0x%x)", mount_point.GetAddr());
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return CELL_OK;
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}
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int cellFsAioFinish(mem8_ptr_t mount_point)
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{
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sys_fs.Warning("cellFsAioFinish(mount_point_addr=0x%x)", mount_point.GetAddr());
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return CELL_OK;
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}
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void sys_fs_init()
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{
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sys_fs.AddFunc(0x718bf5f8, cellFsOpen);
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sys_fs.AddFunc(0xb1840b53, cellFsSdataOpen);
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sys_fs.AddFunc(0x4d5ff8e2, cellFsRead);
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sys_fs.AddFunc(0xecdcf2ab, cellFsWrite);
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sys_fs.AddFunc(0x2cb51f0d, cellFsClose);
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sys_fs.AddFunc(0x3f61245c, cellFsOpendir);
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sys_fs.AddFunc(0x5c74903d, cellFsReaddir);
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sys_fs.AddFunc(0xff42dcc3, cellFsClosedir);
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sys_fs.AddFunc(0x7de6dced, cellFsStat);
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sys_fs.AddFunc(0xef3efa34, cellFsFstat);
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sys_fs.AddFunc(0xba901fe6, cellFsMkdir);
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sys_fs.AddFunc(0xf12eecc8, cellFsRename);
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sys_fs.AddFunc(0x2796fdf3, cellFsRmdir);
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sys_fs.AddFunc(0x7f4677a8, cellFsUnlink);
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sys_fs.AddFunc(0xa397d042, cellFsLseek);
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sys_fs.AddFunc(0x0e2939e5, cellFsFtruncate);
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sys_fs.AddFunc(0xc9dc3ac5, cellFsTruncate);
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sys_fs.AddFunc(0xcb588dba, cellFsFGetBlockSize);
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sys_fs.AddFunc(0xc1c507e7, cellFsAioRead);
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sys_fs.AddFunc(0xdb869f20, cellFsAioInit);
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sys_fs.AddFunc(0x9f951810, cellFsAioFinish);
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}
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void sys_fs_unload()
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{
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for (u32 i = 0; i < FDs.GetCount(); i++)
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{
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if (FDs[i])
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{
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FDs[i]->Close();
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delete FDs[i];
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}
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}
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FDs.Clear();
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} |