ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fixes issue 2917 and possibly others like 5232

This commit is contained in:
Matthew Parlane 2012-03-06 23:10:04 +13:00 committed by unknown
parent e8e2c241d7
commit 53d2d9718f
2 changed files with 125 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

197
Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp
View File

@ -87,6 +87,7 @@ CWII_IPC_HLE_Device_FileIO::CWII_IPC_HLE_Device_FileIO(u32 _DeviceID, const std:
, m_pFileHandle(NULL)
, m_FileLength(0)
, m_Mode(0)
, m_SeekPos(0)
{
Common::ReadReplacements(replacements);
}
@ -99,7 +100,7 @@ bool CWII_IPC_HLE_Device_FileIO::Close(u32 _CommandAddress, bool _bForce)
{
INFO_LOG(WII_IPC_FILEIO, "FileIO: Close %s (DeviceID=%08x)", m_Name.c_str(), m_DeviceID);
m_pFileHandle.Close();
//m_pFileHandle.Close();
m_FileLength = 0;
m_Mode = 0;
@ -117,7 +118,7 @@ bool CWII_IPC_HLE_Device_FileIO::Open(u32 _CommandAddress, u32 _Mode)
u32 ReturnValue = 0;
// close the file handle if we get a reopen
m_pFileHandle.Close();
//m_pFileHandle.Close();
static const char* const Modes[] =
{
@ -129,30 +130,13 @@ bool CWII_IPC_HLE_Device_FileIO::Open(u32 _CommandAddress, u32 _Mode)
m_Filename = std::string(HLE_IPC_BuildFilename(m_Name.c_str(), 64));
// The file must exist before we can open it
// It should be created by ISFS_CreateFile, not here
if(File::Exists(m_Filename))
{
INFO_LOG(WII_IPC_FILEIO, "FileIO: Open %s (%s)", m_Name.c_str(), Modes[_Mode]);
switch(_Mode)
{
case ISFS_OPEN_READ:
m_pFileHandle.Open(m_Filename, "rb");
break;
// "r+b" is technically wrong, but OPEN_WRITE should not truncate the file as "wb" does.
case ISFS_OPEN_WRITE:
m_pFileHandle.Open(m_Filename, "r+b");
break;
case ISFS_OPEN_RW:
m_pFileHandle.Open(m_Filename, "r+b");
break;
default:
PanicAlertT("FileIO: Unknown open mode : 0x%02x", _Mode);
break;
}
INFO_LOG(WII_IPC_FILEIO, "FileIO: Open %s (%s == %08X)", m_Name.c_str(), Modes[_Mode], _Mode);
ReturnValue = m_DeviceID;
}
else
{
@ -160,70 +144,99 @@ bool CWII_IPC_HLE_Device_FileIO::Open(u32 _CommandAddress, u32 _Mode)
ReturnValue = FS_FILE_NOT_EXIST;
}
if (m_pFileHandle != NULL)
{
m_FileLength = (u32)m_pFileHandle.GetSize();
ReturnValue = m_DeviceID;
}
else if (ReturnValue == 0)
{
ERROR_LOG(WII_IPC_FILEIO, " FileIO failed open: %s (%s) - I/O Error", m_Filename.c_str(), Modes[_Mode]);
ReturnValue = FS_RESULT_FATAL;
}
if (_CommandAddress)
Memory::Write_U32(ReturnValue, _CommandAddress+4);
m_Active = true;
return true;
}
bool CWII_IPC_HLE_Device_FileIO::OpenFile()
{
switch(m_Mode)
{
case ISFS_OPEN_READ:
m_pFileHandle.Open(m_Filename, "rb");
break;
// "r+b" is technically wrong, but OPEN_WRITE should not truncate the file as "wb" does.
case ISFS_OPEN_WRITE:
m_pFileHandle.Open(m_Filename, "r+b");
break;
case ISFS_OPEN_RW:
m_pFileHandle.Open(m_Filename, "r+b");
break;
default:
PanicAlertT("FileIO: Unknown open mode : 0x%02x", m_Mode);
break;
}
return m_pFileHandle.IsOpen();
}
void CWII_IPC_HLE_Device_FileIO::CloseFile()
{
m_pFileHandle.Close();
}
bool CWII_IPC_HLE_Device_FileIO::Seek(u32 _CommandAddress)
{
u32 ReturnValue = FS_RESULT_FATAL;
const s32 SeekPosition = Memory::Read_U32(_CommandAddress + 0xC);
const s32 Mode = Memory::Read_U32(_CommandAddress + 0x10);
if (m_pFileHandle == NULL)
{
ERROR_LOG(WII_IPC_FILEIO, "FILEIO: Seek failed because of null file handle - %s", m_Name.c_str());
ReturnValue = FS_FILE_NOT_EXIST;
}
else if (Mode >= 0 && Mode <= 2)
if(OpenFile())
{
ReturnValue = FS_RESULT_FATAL;
const u64 fileSize = m_pFileHandle.GetSize();
INFO_LOG(WII_IPC_FILEIO, "FileIO: Seek Pos: 0x%08x, Mode: %i (%s, Length=0x%08llx)", SeekPosition, Mode, m_Name.c_str(), fileSize);
// Set seek mode
int seek_mode[3] = {SEEK_SET, SEEK_CUR, SEEK_END};
// POSIX allows seek past EOF, the Wii does not.
// TODO: Can we check this without tell'ing/seek'ing twice?
const u64 curPos = m_pFileHandle.Tell();
if (m_pFileHandle.Seek(SeekPosition, seek_mode[Mode]))
{
const u64 newPos = m_pFileHandle.Tell();
if (newPos > fileSize)
switch(Mode){
case 0:
{
ERROR_LOG(WII_IPC_FILEIO, "FILEIO: Seek past EOF - %s", m_Name.c_str());
m_pFileHandle.Seek(curPos, SEEK_SET);
if(SeekPosition >=0 && SeekPosition <= fileSize)
{
m_SeekPos = SeekPosition;
ReturnValue = m_SeekPos;
}
break;
}
case 1:
{
s32 wantedPos = SeekPosition+m_SeekPos;
if(wantedPos >=0 && wantedPos <= fileSize)
{
m_SeekPos = wantedPos;
ReturnValue = m_SeekPos;
}
break;
}
case 2:
{
s32 wantedPos = fileSize+m_SeekPos;
if(wantedPos >=0 && wantedPos <= fileSize)
{
m_SeekPos = wantedPos;
ReturnValue = m_SeekPos;
}
break;
}
default:
{
PanicAlert("CWII_IPC_HLE_Device_FileIO Unsupported seek mode %i", Mode);
ReturnValue = FS_RESULT_FATAL;
break;
}
else
ReturnValue = (u32)newPos;
}
else
{
// Must clear the failbits, since subsequent seeks don't care about
// past failure on Wii
m_pFileHandle.Clear();
ERROR_LOG(WII_IPC_FILEIO, "FILEIO: Seek failed - %s", m_Name.c_str());
}
CloseFile();
}
else
{
PanicAlert("CWII_IPC_HLE_Device_FileIO Unsupported seek mode %i", Mode);
ReturnValue = FS_FILE_NOT_EXIST;
}
Memory::Write_U32(ReturnValue, _CommandAddress + 0x4);
return true;
@ -235,7 +248,8 @@ bool CWII_IPC_HLE_Device_FileIO::Read(u32 _CommandAddress)
const u32 Address = Memory::Read_U32(_CommandAddress + 0xC); // Read to this memory address
const u32 Size = Memory::Read_U32(_CommandAddress + 0x10);
if (m_pFileHandle != NULL)
if(OpenFile())
{
if (m_Mode == ISFS_OPEN_WRITE)
{
@ -244,15 +258,24 @@ bool CWII_IPC_HLE_Device_FileIO::Read(u32 _CommandAddress)
else
{
INFO_LOG(WII_IPC_FILEIO, "FileIO: Read 0x%x bytes to 0x%08x from %s", Size, Address, m_Name.c_str());
m_pFileHandle.Seek(m_SeekPos, SEEK_SET);
ReturnValue = (u32)fread(Memory::GetPointer(Address), 1, Size, m_pFileHandle.GetHandle());
if (ReturnValue != Size && ferror(m_pFileHandle.GetHandle()))
{
ReturnValue = FS_EACCESS;
}
else
{
m_SeekPos += Size;
}
}
CloseFile();
}
else
{
ERROR_LOG(WII_IPC_FILEIO, "FileIO: Failed to read from %s (Addr=0x%08x Size=0x%x) - file not open", m_Name.c_str(), Address, Size);
ERROR_LOG(WII_IPC_FILEIO, "FileIO: Failed to read from %s (Addr=0x%08x Size=0x%x) - file could not be opened or does not exist", m_Name.c_str(), Address, Size);
ReturnValue = FS_FILE_NOT_EXIST;
}
Memory::Write_U32(ReturnValue, _CommandAddress + 0x4);
@ -265,9 +288,8 @@ bool CWII_IPC_HLE_Device_FileIO::Write(u32 _CommandAddress)
const u32 Address = Memory::Read_U32(_CommandAddress + 0xC); // Write data from this memory address
const u32 Size = Memory::Read_U32(_CommandAddress + 0x10);
INFO_LOG(WII_IPC_FILEIO, "FileIO: Write 0x%04x bytes from 0x%08x to %s", Size, Address, m_Name.c_str());
if (m_pFileHandle)
if(OpenFile())
{
if (m_Mode == ISFS_OPEN_READ)
{
@ -275,9 +297,20 @@ bool CWII_IPC_HLE_Device_FileIO::Write(u32 _CommandAddress)
}
else
{
INFO_LOG(WII_IPC_FILEIO, "FileIO: Write 0x%04x bytes from 0x%08x to %s", Size, Address, m_Name.c_str());
m_pFileHandle.Seek(m_SeekPos, SEEK_SET);
if (m_pFileHandle.WriteBytes(Memory::GetPointer(Address), Size))
{
ReturnValue = Size;
m_SeekPos += Size;
}
}
CloseFile();
}
else
{
ERROR_LOG(WII_IPC_FILEIO, "FileIO: Failed to read from %s (Addr=0x%08x Size=0x%x) - file could not be opened or does not exist", m_Name.c_str(), Address, Size);
ReturnValue = FS_FILE_NOT_EXIST;
}
Memory::Write_U32(ReturnValue, _CommandAddress + 0x4);
@ -297,19 +330,29 @@ bool CWII_IPC_HLE_Device_FileIO::IOCtl(u32 _CommandAddress)
//u32 BufferOut = Memory::Read_U32(_CommandAddress + 0x18);
//u32 BufferOutSize = Memory::Read_U32(_CommandAddress + 0x1C);
// Return Value
u32 ReturnValue = 0; // no error
switch(Parameter)
{
case ISFS_IOCTL_GETFILESTATS:
{
m_FileLength = (u32)m_pFileHandle.GetSize();
const u32 Position = (u32)m_pFileHandle.Tell();
if(OpenFile())
{
m_FileLength = (u32)m_pFileHandle.GetSize();
const u32 BufferOut = Memory::Read_U32(_CommandAddress + 0x18);
INFO_LOG(WII_IPC_FILEIO, "FileIO: ISFS_IOCTL_GETFILESTATS");
INFO_LOG(WII_IPC_FILEIO, " File: %s, Length: %i, Pos: %i", m_Name.c_str(), m_FileLength, Position);
const u32 BufferOut = Memory::Read_U32(_CommandAddress + 0x18);
INFO_LOG(WII_IPC_FILEIO, "FileIO: ISFS_IOCTL_GETFILESTATS");
INFO_LOG(WII_IPC_FILEIO, " File: %s, Length: %i, Pos: %i", m_Name.c_str(), m_FileLength, m_SeekPos);
Memory::Write_U32(m_FileLength, BufferOut);
Memory::Write_U32(Position, BufferOut+4);
Memory::Write_U32(m_FileLength, BufferOut);
Memory::Write_U32(m_SeekPos, BufferOut+4);
CloseFile();
}
else
{
ReturnValue = FS_FILE_NOT_EXIST;
}
}
break;
@ -321,8 +364,6 @@ bool CWII_IPC_HLE_Device_FileIO::IOCtl(u32 _CommandAddress)
}
// Return Value
const u32 ReturnValue = 0; // no error
Memory::Write_U32(ReturnValue, _CommandAddress + 0x4);
return true;

5
Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_FileIO.h
View File

@ -39,6 +39,9 @@ public:
bool IOCtl(u32 _CommandAddress);
void DoState(PointerWrap &p);
bool OpenFile();
void CloseFile();
private:
enum
{
@ -77,6 +80,8 @@ private:
u32 m_FileLength;
u32 m_Mode;
u32 m_SeekPos;
std::string m_Filename;
};