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ncm: better detect + fix 17 brick after-the-fact

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This adds detection for missing-save or empty-save, and rebuilds in either case.
This commit is contained in:
Michael Scire 2023-10-16 02:37:40 -07:00
parent 13411902c9
commit 3a8cffef57
2 changed files with 63 additions and 17 deletions
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4
libraries/libstratosphere/include/stratosphere/ncm/ncm_content_manager_impl.hpp
View file

@ -239,8 +239,12 @@ namespace ams::ncm {
Result InitializeIntegratedContentMetaDatabaseRoot(IntegratedContentMetaDatabaseRoot *out, const IntegratedContentStorageConfig *config, size_t root_idx, size_t root_count);
Result BuildContentMetaDatabase(StorageId storage_id);
Result BuildContentMetaDatabaseImpl(StorageId storage_id);
Result ImportContentMetaDatabase(StorageId storage_id, bool from_signed_partition);
Result ImportContentMetaDatabaseImpl(ContentMetaDatabaseRoot *root, const char *import_mount_name);
private:
/* Helpers for unofficial functionality. */
bool IsNeedRebuildSystemContentMetaDatabase();
public:
/* Actual commands. */
Result CreateContentStorage(StorageId storage_id);

58
libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp
View file

@ -784,8 +784,16 @@ namespace ams::ncm {
}
Result ContentManagerImpl::BuildContentMetaDatabase(StorageId storage_id) {
/* NOTE: we build on 17.0.0+, to work around a change in Nintendo save handling behavior. */
if (hos::GetVersion() < hos::Version_5_0_0 || hos::GetVersion() >= hos::Version_17_0_0) {
if (hos::GetVersion() < hos::Version_5_0_0) {
/* On < 5.0.0, perform an actual build of the database. */
R_RETURN(this->BuildContentMetaDatabaseImpl(storage_id));
} else {
/* On 5.0.0+, building just performs an import. */
R_RETURN(this->ImportContentMetaDatabase(storage_id, false));
}
}
Result ContentManagerImpl::BuildContentMetaDatabaseImpl(StorageId storage_id) {
/* Temporarily activate the database. */
R_TRY(this->ActivateContentMetaDatabase(storage_id));
ON_SCOPE_EXIT { this->InactivateContentMetaDatabase(storage_id); };
@ -799,10 +807,6 @@ namespace ams::ncm {
/* Create a builder, and build. */
ContentMetaDatabaseBuilder builder(std::addressof(meta_db));
R_RETURN(builder.BuildFromStorage(std::addressof(storage)));
} else {
/* On 5.0.0+, building just performs an import. */
R_RETURN(this->ImportContentMetaDatabase(storage_id, false));
}
}
Result ContentManagerImpl::ImportContentMetaDatabase(StorageId storage_id, bool from_signed_partition) {
@ -832,6 +836,31 @@ namespace ams::ncm {
R_SUCCEED();
}
bool ContentManagerImpl::IsNeedRebuildSystemContentMetaDatabase() {
/* TODO: Should hos::GetVersion() >= hos::Version_17_0_0 be checked? */
/* If we do not actually have a content meta db, we should re-build. */
if (R_FAILED(this->VerifyContentMetaDatabase(StorageId::BuiltInSystem))) {
return true;
}
/* We have a content meta db. Temporarily, activate it. */
if (R_FAILED(this->ActivateContentMetaDatabase(StorageId::BuiltInSystem))) {
return true;
}
ON_SCOPE_EXIT { this->InactivateContentMetaDatabase(StorageId::BuiltInSystem); };
/* Open the content meta database and storage. */
ContentMetaDatabase meta_db;
R_ABORT_UNLESS(ncm::OpenContentMetaDatabase(std::addressof(meta_db), StorageId::BuiltInSystem));
/* List the meta db's contents. */
const auto list_count = meta_db.ListContentMeta(nullptr, 0);
/* We need to rebuild if the db has zero entries. */
return list_count.total == 0;
}
Result ContentManagerImpl::Initialize(const ContentManagerConfig &config) {
/* Initialize based on whether integrated content is enabled. */
if (config.IsIntegratedSystemContentEnabled()) {
@ -942,13 +971,26 @@ namespace ams::ncm {
}
R_TRY(this->ActivateContentStorage(StorageId::BuiltInSystem));
/* NOTE: This logic is unofficial. */
/* Beginning with 17.0.0+, save management behavior changed. The primary symptom of this is either verify fail */
/* or an empty kvs, both of which we can fix by performing a rebuild. */
if (this->IsNeedRebuildSystemContentMetaDatabase()) {
/* Clean up the system content meta database, to ensure creation can succeed. */
this->CleanupContentMetaDatabase(StorageId::BuiltInSystem);
/* Create the content metadatabase. */
R_TRY(this->CreateContentMetaDatabase(StorageId::BuiltInSystem));
/* Rebuild the content meta database. */
R_TRY(this->BuildContentMetaDatabaseImpl(StorageId::BuiltInSystem));
}
/* Setup the content meta database for system. */
if (R_FAILED(this->VerifyContentMetaDatabase(StorageId::BuiltInSystem))) {
R_TRY(this->CreateContentMetaDatabase(StorageId::BuiltInSystem));
/* Try to build or import a database, depending on our configuration. */
/* NOTE: To work around a change in save management behavior in 17.0.0+, we build the database if needed. */
if (manager_config.ShouldBuildDatabase() || hos::GetVersion() >= hos::Version_17_0_0) {
if (manager_config.ShouldBuildDatabase()) {
/* If we should build the database, do so. */
R_TRY(this->BuildContentMetaDatabase(StorageId::BuiltInSystem));
R_TRY(this->VerifyContentMetaDatabase(StorageId::BuiltInSystem));