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ncm: implement firmware downgrading (#958)

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* ncm: implement firmware downgrading

* ncm: make storage list const
This commit is contained in:
Adubbz
2020-05-19 01:03:38 +10:00
committed by GitHub
parent 19d8a0fc2b
commit 79ae47f028
5 changed files with 111 additions and 3 deletions
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4
libraries/libstratosphere/include/stratosphere/ncm/ncm_install_task_base.hpp
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@@ -139,10 +139,11 @@ namespace ams::ncm {
Result CountInstallContentMetaData(s32 *out_count);
Result GetInstallContentMetaData(InstallContentMeta *out_content_meta, s32 index);
Result DeleteInstallContentMetaData(const ContentMetaKey *keys, s32 num_keys);
virtual Result GetInstallContentMetaInfo(InstallContentMetaInfo *out_info, const ContentMetaKey &key) = 0;
virtual Result PrepareDependency();
Result PrepareSystemUpdateDependency();
Result PrepareContentMetaIfLatest(const ContentMetaKey &key);
virtual Result PrepareContentMetaIfLatest(const ContentMetaKey &key); /* NOTE: This is not virtual in Nintendo's code. We do so to facilitate downgrades. */
u32 GetConfig() const { return this->config; }
Result WriteContentMetaToPlaceHolder(InstallContentInfo *out_install_content_info, ContentStorage *storage, const InstallContentMetaInfo &meta_info, std::optional<bool> is_temporary);
@@ -163,7 +164,6 @@ namespace ams::ncm {
Result VerifyAllNotCommitted(const StorageContentMetaKey *keys, s32 num_keys);
virtual Result PrepareInstallContentMetaData() = 0;
virtual Result GetInstallContentMetaInfo(InstallContentMetaInfo *out_info, const ContentMetaKey &key) = 0;
virtual Result GetLatestVersion(std::optional<u32> *out_version, u64 id) { return ncm::ResultContentMetaNotFound(); }
virtual Result OnExecuteComplete() { return ResultSuccess(); }