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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <string>
#include <fmt/ostream.h>
#include "common/logging/log.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/partition_filesystem.h"
#include "core/file_sys/vfs_offset.h"
#include "core/loader/loader.h"
namespace FileSys {
constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure", "logo"};
XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
status = Loader::ResultStatus::ErrorBadXCIHeader;
return;
}
if (header.magic != Common::MakeMagic('H', 'E', 'A', 'D')) {
status = Loader::ResultStatus::ErrorBadXCIHeader;
return;
}
PartitionFilesystem main_hfs(
std::make_shared<OffsetVfsFile>(file, header.hfs_size, header.hfs_offset));
if (main_hfs.GetStatus() != Loader::ResultStatus::Success) {
status = main_hfs.GetStatus();
return;
}
for (XCIPartition partition :
{XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
auto raw = main_hfs.GetFile(partition_names[static_cast<size_t>(partition)]);
if (raw != nullptr)
partitions[static_cast<size_t>(partition)] = std::make_shared<PartitionFilesystem>(raw);
}
secure_partition = std::make_shared<NSP>(
main_hfs.GetFile(partition_names[static_cast<size_t>(XCIPartition::Secure)]));
const auto secure_ncas = secure_partition->GetNCAsCollapsed();
std::copy(secure_ncas.begin(), secure_ncas.end(), std::back_inserter(ncas));
program_nca_status = Loader::ResultStatus::ErrorXCIMissingProgramNCA;
program =
secure_partition->GetNCA(secure_partition->GetProgramTitleID(), ContentRecordType::Program);
if (program != nullptr)
program_nca_status = program->GetStatus();
auto result = AddNCAFromPartition(XCIPartition::Update);
if (result != Loader::ResultStatus::Success) {
status = result;
return;
}
result = AddNCAFromPartition(XCIPartition::Normal);
if (result != Loader::ResultStatus::Success) {
status = result;
return;
}
if (GetFormatVersion() >= 0x2) {
result = AddNCAFromPartition(XCIPartition::Logo);
if (result != Loader::ResultStatus::Success) {
status = result;
return;
}
}
status = Loader::ResultStatus::Success;
}
XCI::~XCI() = default;
Loader::ResultStatus XCI::GetStatus() const {
return status;
}
Loader::ResultStatus XCI::GetProgramNCAStatus() const {
return program_nca_status;
}
VirtualDir XCI::GetPartition(XCIPartition partition) const {
return partitions[static_cast<size_t>(partition)];
}
std::shared_ptr<NSP> XCI::GetSecurePartitionNSP() const {
return secure_partition;
}
VirtualDir XCI::GetSecurePartition() const {
return GetPartition(XCIPartition::Secure);
}
VirtualDir XCI::GetNormalPartition() const {
return GetPartition(XCIPartition::Normal);
}
VirtualDir XCI::GetUpdatePartition() const {
return GetPartition(XCIPartition::Update);
}
VirtualDir XCI::GetLogoPartition() const {
return GetPartition(XCIPartition::Logo);
}
std::shared_ptr<NCA> XCI::GetProgramNCA() const {
return program;
}
VirtualFile XCI::GetProgramNCAFile() const {
if (GetProgramNCA() == nullptr)
return nullptr;
return GetProgramNCA()->GetBaseFile();
}
const std::vector<std::shared_ptr<NCA>>& XCI::GetNCAs() const {
return ncas;
}
std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
const auto iter =
std::find_if(ncas.begin(), ncas.end(),
[type](const std::shared_ptr<NCA>& nca) { return nca->GetType() == type; });
return iter == ncas.end() ? nullptr : *iter;
}
VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
auto nca = GetNCAByType(type);
if (nca != nullptr)
return nca->GetBaseFile();
return nullptr;
}
std::vector<VirtualFile> XCI::GetFiles() const {
return {};
}
std::vector<VirtualDir> XCI::GetSubdirectories() const {
return {};
}
std::string XCI::GetName() const {
return file->GetName();
}
VirtualDir XCI::GetParentDirectory() const {
return file->GetContainingDirectory();
}
bool XCI::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
return false;
}
Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
if (partitions[static_cast<size_t>(part)] == nullptr) {
return Loader::ResultStatus::ErrorXCIMissingPartition;
}
for (const VirtualFile& file : partitions[static_cast<size_t>(part)]->GetFiles()) {
if (file->GetExtension() != "nca")
continue;
auto nca = std::make_shared<NCA>(file);
// TODO(DarkLordZach): Add proper Rev1+ Support
if (nca->IsUpdate())
continue;
if (nca->GetType() == NCAContentType::Program) {
program_nca_status = nca->GetStatus();
}
if (nca->GetStatus() == Loader::ResultStatus::Success) {
ncas.push_back(std::move(nca));
} else {
const u16 error_id = static_cast<u16>(nca->GetStatus());
LOG_CRITICAL(Loader, "Could not load NCA {}/{}, failed with error code {:04X} ({})",
partition_names[static_cast<size_t>(part)], nca->GetName(), error_id,
nca->GetStatus());
}
}
return Loader::ResultStatus::Success;
}
u8 XCI::GetFormatVersion() const {
return GetLogoPartition() == nullptr ? 0x1 : 0x2;
}
} // namespace FileSys
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