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VolumeDirectory: allow loading of arbitrary apploader and dol. Code cleaning around the bootup logic.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4668 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Shawn Hoffman
2009-12-10 09:16:10 +00:00
parent d4e35a1a97
commit 805bd8ec28
13 changed files with 268 additions and 114 deletions
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109
Source/Core/DiscIO/Src/VolumeDirectory.cpp
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@ -25,11 +25,20 @@ namespace DiscIO
static const u8 ENTRY_SIZE = 0x0c;
static const u8 FILE_ENTRY = 0;
static const u8 DIRECTORY_ENTRY = 1;
static const u64 FST_ADDRESS = 0x440;
static const u64 DISKHEADER_ADDRESS = 0;
static const u64 DISKHEADERINFO_ADDRESS = 0x440;
static const u64 APPLOADER_ADDRESS = 0x2440;
static const u32 MAX_NAME_LENGTH = 0x3df;
// relocatable
static u64 FST_ADDRESS = 0x440;
static u64 DOL_ADDRESS = 0;
CVolumeDirectory::CVolumeDirectory(const std::string& _rDirectory, bool _bIsWii)
: m_totalNameSize(0)
CVolumeDirectory::CVolumeDirectory(const std::string& _rDirectory, bool _bIsWii, const std::string& _rApploader, const std::string& _rDOL)
: m_apploaderSize(0)
, m_apploader(NULL)
, m_DOLSize(0)
, m_DOL(NULL)
, m_totalNameSize(0)
, m_dataStartAddress(-1)
, m_fstSize(0)
, m_FSTData(NULL)
@ -51,16 +60,31 @@ CVolumeDirectory::CVolumeDirectory(const std::string& _rDirectory, bool _bIsWii)
SetDiskTypeGC();
}
m_diskHeaderInfo = new SDiskHeaderInfo();
// Don't load the dol if we've no apploader...
if (SetApploader(_rApploader))
SetDOL(_rDOL);
BuildFST();
}
CVolumeDirectory::~CVolumeDirectory()
{
delete m_FSTData;
delete[] m_FSTData;
m_FSTData = NULL;
delete m_diskHeader;
delete[] m_diskHeader;
m_diskHeader = NULL;
delete m_diskHeaderInfo;
m_diskHeaderInfo = NULL;
delete[] m_DOL;
m_DOL = NULL;
delete[] m_apploader;
m_apploader = NULL;
}
bool CVolumeDirectory::IsValidDirectory(const std::string& _rDirectory)
@ -76,14 +100,35 @@ bool CVolumeDirectory::RAWRead( u64 _Offset, u64 _Length, u8* _pBuffer ) const
bool CVolumeDirectory::Read(u64 _Offset, u64 _Length, u8* _pBuffer) const
{
if(_Offset < FST_ADDRESS)
// header
if(_Offset < DISKHEADERINFO_ADDRESS)
{
WriteToBuffer(0, FST_ADDRESS, m_diskHeader, _Offset, _Length, _pBuffer);
WriteToBuffer(DISKHEADER_ADDRESS, DISKHEADERINFO_ADDRESS, m_diskHeader, _Offset, _Length, _pBuffer);
return true;
}
// header info
if(_Offset < APPLOADER_ADDRESS)
{
WriteToBuffer(DISKHEADERINFO_ADDRESS, sizeof(m_diskHeaderInfo), (u8*)m_diskHeaderInfo, _Offset, _Length, _pBuffer);
return true;
}
// apploader
if(_Offset >= APPLOADER_ADDRESS && _Offset <= APPLOADER_ADDRESS + m_apploaderSize)
{
WriteToBuffer(APPLOADER_ADDRESS, m_apploaderSize, m_apploader, _Offset, _Length, _pBuffer);
return true;
}
// dol
if(_Offset >= DOL_ADDRESS && _Offset <= DOL_ADDRESS + m_DOLSize)
{
WriteToBuffer(DOL_ADDRESS, m_DOLSize, m_DOL, _Offset, _Length, _pBuffer);
return true;
}
// fst
if(_Offset < m_dataStartAddress)
{
WriteToBuffer(FST_ADDRESS, m_fstSize, m_FSTData, _Offset, _Length, _pBuffer);
WriteToBuffer(FST_ADDRESS, m_fstSize, m_FSTData, _Offset, _Length, _pBuffer);
return true;
}
if(m_virtualDisk.size() == 0)
@ -257,6 +302,52 @@ void CVolumeDirectory::SetDiskTypeGC()
m_addressShift = 0;
}
bool CVolumeDirectory::SetApploader(const std::string& _rApploader)
{
if (!_rApploader.empty())
{
std::string data;
File::ReadFileToString(false, _rApploader.c_str(), data);
m_apploaderSize = 0x20 + Common::swap32(*(u32*)&data.data()[0x14]) + Common::swap32(*(u32*)&data.data()[0x18]);
if (m_apploaderSize != data.size())
{
PanicAlert("Apploader is the wrong size...is it really an apploader?");
return false;
}
m_apploader = new u8[m_apploaderSize];
copy(data.begin(), data.end(), m_apploader);
// 32byte aligned (plus 0x20 padding)
DOL_ADDRESS = (APPLOADER_ADDRESS + m_apploaderSize + 0x20 + 31) & ~31ULL;
return true;
}
else
{
m_apploaderSize = 0x20;
m_apploader = new u8[m_apploaderSize];
// Make sure BS2 HLE doesn't try to run the apploader
*(u32*)&m_apploader[0x10] = (u32)-1;
return false;
}
}
void CVolumeDirectory::SetDOL(const std::string& _rDOL)
{
if (!_rDOL.empty())
{
std::string data;
File::ReadFileToString(false, _rDOL.c_str(), data);
m_DOLSize = data.size();
m_DOL = new u8[m_DOLSize];
copy(data.begin(), data.end(), m_DOL);
Write32((u32)(DOL_ADDRESS >> m_addressShift), 0x0420, m_diskHeader);
// 32byte aligned (plus 0x20 padding)
FST_ADDRESS = (DOL_ADDRESS + m_DOLSize + 0x20 + 31) & ~31ULL;
}
}
void CVolumeDirectory::BuildFST()
{
if(m_FSTData)