DOL/Apploader buffer maker

This commit is contained in:
Jack Andersen 2015-07-09 17:11:30 -10:00
parent b6969a82dc
commit b8236ba6d7
4 changed files with 62 additions and 22 deletions

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@ -101,14 +101,14 @@ public:
m_name(name) {}
inline Kind getKind() const {return m_kind;}
inline const std::string& getName() const {return m_name;}
std::unique_ptr<IPartReadStream> beginReadStream() const
std::unique_ptr<IPartReadStream> beginReadStream(uint64_t offset=0) const
{
if (m_kind != NODE_FILE)
{
throw std::runtime_error("unable to stream a non-file");
return std::unique_ptr<IPartReadStream>();
}
return m_parent.beginReadStream(m_discOffset);
return m_parent.beginReadStream(m_discOffset + offset);
}
inline std::vector<Node>::iterator rawBegin() const {return m_childrenBegin;}
inline std::vector<Node>::iterator rawEnd() const {return m_childrenEnd;}
@ -144,6 +144,10 @@ public:
std::vector<Node> m_nodes;
void parseFST(IPartReadStream& s);
DOLHeader m_dolHead;
uint64_t m_dolSz;
void parseDOL(IPartReadStream& s);
const DiscBase& m_parent;
Kind m_kind;
uint64_t m_offset;
@ -153,9 +157,39 @@ public:
virtual uint64_t normalizeOffset(uint64_t anOffset) const {return anOffset;}
inline Kind getKind() const {return m_kind;}
virtual std::unique_ptr<IPartReadStream> beginReadStream(uint64_t offset=0) const=0;
inline std::unique_ptr<IPartReadStream> beginDOLReadStream(uint64_t offset=0) const
{return beginReadStream(m_dolOff + offset);}
inline std::unique_ptr<IPartReadStream> beginFSTReadStream(uint64_t offset=0) const
{return beginReadStream(m_fstOff + offset);}
inline std::unique_ptr<IPartReadStream> beginApploaderReadStream(uint64_t offset=0) const
{return beginReadStream(0x2440 + offset);}
inline const Node& getFSTRoot() const {return m_nodes[0];}
inline Node& getFSTRoot() {return m_nodes[0];}
void extractToDirectory(const SystemString& path, bool force=false);
inline uint64_t getDOLSize() const {return m_dolSz;}
inline std::unique_ptr<uint8_t[]> getDOLBuf() const
{
std::unique_ptr<uint8_t[]> buf(new uint8_t[m_dolSz]);
beginDOLReadStream()->read(buf.get(), m_dolSz);
return buf;
}
inline uint64_t getFSTSize() const {return m_fstSz;}
inline std::unique_ptr<uint8_t[]> getFSTBuf() const
{
std::unique_ptr<uint8_t[]> buf(new uint8_t[m_fstSz]);
beginFSTReadStream()->read(buf.get(), m_fstSz);
return buf;
}
inline uint64_t getApploaderSize() const {return m_apploaderSz;}
inline std::unique_ptr<uint8_t[]> getApploaderBuf() const
{
std::unique_ptr<uint8_t[]> buf(new uint8_t[m_apploaderSz]);
beginApploaderReadStream()->read(buf.get(), m_apploaderSz);
return buf;
}
};
protected:

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@ -43,6 +43,20 @@ void DiscBase::IPartition::parseFST(IPartReadStream& s)
}
}
void DiscBase::IPartition::parseDOL(IPartReadStream& s)
{
/* Read Dol header */
s.read(&m_dolHead, sizeof(DOLHeader));
/* Calculate Dol size */
uint32_t dolSize = SBig(m_dolHead.textOff[0]) - sizeof(DOLHeader);
for (uint32_t i = 0 ; i < 7 ; i++)
dolSize += SBig(m_dolHead.textSizes[i]);
for (uint32_t i = 0 ; i < 11 ; i++)
dolSize += SBig(m_dolHead.dataSizes[i]);
m_dolSz = dolSize;
}
void DiscBase::IPartition::Node::extractToDirectory(const SystemString& basePath, bool force)
{
SystemStringView nameView(getName());
@ -83,32 +97,16 @@ void DiscBase::IPartition::extractToDirectory(const SystemString& path, bool for
SystemString apploaderPath = path + _S("/apploader.bin");
if (force || Stat(apploaderPath.c_str(), &theStat))
{
std::unique_ptr<uint8_t[]> buf(new uint8_t[m_apploaderSz]);
std::unique_ptr<IPartReadStream> rs = beginReadStream(0x2440);
rs->read(buf.get(), m_apploaderSz);
std::unique_ptr<IFileIO::IWriteStream> ws = NewFileIO(apploaderPath)->beginWriteStream();
ws->write(buf.get(), m_apploaderSz);
std::unique_ptr<uint8_t[]> buf = getApploaderBuf();
NewFileIO(apploaderPath)->beginWriteStream()->write(buf.get(), m_apploaderSz);
}
/* Extract Dol */
SystemString dolPath = path + _S("/main.dol");
if (force || Stat(dolPath.c_str(), &theStat))
{
std::unique_ptr<IPartReadStream> rs = beginReadStream(m_dolOff);
/* Read Dol header */
DOLHeader hdr;
rs->read(&hdr, sizeof(DOLHeader));
std::unique_ptr<IFileIO::IWriteStream> ws = NewFileIO(dolPath)->beginWriteStream();
ws->write(&hdr, sizeof(DOLHeader));
/* Calculate Dol size */
uint32_t dolSize = SBig(hdr.textOff[0]) - sizeof(DOLHeader);
for (uint32_t i = 0 ; i < 7 ; i++)
dolSize += SBig(hdr.textSizes[i]);
for (uint32_t i = 0 ; i < 11 ; i++)
dolSize += SBig(hdr.dataSizes[i]);
std::unique_ptr<uint8_t[]> buf(new uint8_t[dolSize]);
rs->read(buf.get(), dolSize);
ws->write(buf.get(), dolSize);
std::unique_ptr<uint8_t[]> buf = getDOLBuf();
NewFileIO(dolPath)->beginWriteStream()->write(buf.get(), m_dolSz);
}
/* Extract Filesystem */

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@ -22,6 +22,10 @@ public:
/* Yay files!! */
parseFST(*s.get());
/* Also make DOL header and size handy */
s->seek(m_dolOff);
parseDOL(*s.get());
}
class PartReadStream : public IPartReadStream

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@ -249,6 +249,10 @@ public:
/* Yay files!! */
parseFST(*ds.get());
/* Also make DOL header and size handy */
ds->seek(m_dolOff);
parseDOL(*ds.get());
}
class PartReadStream : public IPartReadStream