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decrypt_self() function

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Fixed SPU self decryption
Fixed PSV debug self load
This commit is contained in:
Nekotekina 2017-02-11 21:06:57 +03:00
parent be5f780977
commit e8bfce4ebd
9 changed files with 81 additions and 118 deletions
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42
rpcs3/Emu/System.cpp
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@ -84,6 +84,8 @@ void Emulator::Init()
// Reload global configuration
cfg::root.from_string(fs::file(fs::get_config_dir() + "/config.yml", fs::read + fs::create).to_string());
SetCPUThreadStop(0);
}
void Emulator::SetPath(const std::string& path, const std::string& elf_path)
@ -152,44 +154,55 @@ void Emulator::Load()
{
Init();
if (!fs::is_file(m_path))
// Open SELF or ELF
fs::file elf_file(m_path);
LOG_NOTICE(LOADER, "Path: %s", m_path);
if (!elf_file)
{
LOG_ERROR(LOADER, "File not found: %s", m_path);
LOG_ERROR(LOADER, "Failed to open file: %s", m_path);
return;
}
const std::string& elf_dir = fs::get_parent_dir(m_path);
if (IsSelf(m_path))
// Check SELF header
if (elf_file.size() >= 4 && elf_file.read<u32>() == "SCE\0"_u32)
{
// Decrypt SELF
elf_file = decrypt_self(std::move(elf_file));
const std::size_t elf_ext_pos = m_path.find_last_of('.');
const std::string& elf_ext = fmt::to_upper(m_path.substr(elf_ext_pos != -1 ? elf_ext_pos : m_path.size()));
const std::string& elf_name = m_path.substr(elf_dir.size());
// Save ELF (TODO: configuration, cache and different file location)
std::string new_path = m_path;
if (elf_name.compare(elf_name.find_last_of("/\\", -1, 2) + 1, 9, "EBOOT.BIN", 9) == 0)
{
m_path.erase(m_path.size() - 9, 1); // change EBOOT.BIN to BOOT.BIN
new_path.erase(new_path.size() - 9, 1); // change EBOOT.BIN to BOOT.BIN
}
else if (elf_ext == ".SELF" || elf_ext == ".SPRX")
{
m_path.erase(m_path.size() - 4, 1); // change *.self to *.elf, *.sprx to *.prx
new_path.erase(new_path.size() - 4, 1); // change *.self to *.elf, *.sprx to *.prx
}
else
{
m_path += ".decrypted.elf";
new_path += ".decrypted.elf";
}
if (!DecryptSelf(m_path, elf_dir + elf_name))
if (fs::file elf_out{new_path, fs::rewrite})
{
LOG_ERROR(LOADER, "Failed to decrypt %s", elf_dir + elf_name);
return;
elf_out.write(elf_file.to_vector<u8>());
}
else
{
LOG_ERROR(LOADER, "Failed to save file: %s", new_path);
}
}
SetCPUThreadStop(0);
LOG_NOTICE(LOADER, "Path: %s", m_path);
// Load custom config
if (fs::file cfg_file{ m_path + ".yml" })
{
@ -197,7 +210,6 @@ void Emulator::Load()
cfg::root.from_string(cfg_file.to_string());
}
const fs::file elf_file(m_path);
ppu_exec_object ppu_exec;
ppu_prx_object ppu_prx;
spu_exec_object spu_exec;
@ -205,7 +217,7 @@ void Emulator::Load()
if (!elf_file)
{
LOG_ERROR(LOADER, "Failed to open %s", m_path);
LOG_ERROR(LOADER, "Failed to decrypt SELF: %s", m_path);
return;
}
else if (ppu_exec.open(elf_file) == elf_error::ok)