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authorLiam <byteslice@airmail.cc>2023-08-11 03:34:43 +0200
committerLiam <byteslice@airmail.cc>2023-08-15 23:47:25 +0200
commit86f6b6b7b2d930e8203114332b04a5c49a780b06 (patch)
treebf7ff58b0a36051d3c3489a40999d80357c570d0 /src/core/loader/nca.cpp
parentMerge pull request #11287 from liamwhite/replaced-bytes (diff)
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Diffstat (limited to 'src/core/loader/nca.cpp')
-rw-r--r--src/core/loader/nca.cpp28
1 files changed, 18 insertions, 10 deletions
diff --git a/src/core/loader/nca.cpp b/src/core/loader/nca.cpp
index 513af194d..09d40e695 100644
--- a/src/core/loader/nca.cpp
+++ b/src/core/loader/nca.cpp
@@ -5,6 +5,8 @@
#include "core/core.h"
#include "core/file_sys/content_archive.h"
+#include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs_factory.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/service/filesystem/filesystem.h"
@@ -43,9 +45,23 @@ AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::KProcess& process, Core::S
return {ResultStatus::ErrorNCANotProgram, {}};
}
- const auto exefs = nca->GetExeFS();
+ auto exefs = nca->GetExeFS();
if (exefs == nullptr) {
- return {ResultStatus::ErrorNoExeFS, {}};
+ LOG_INFO(Loader, "No ExeFS found in NCA, looking for ExeFS from update");
+
+ // This NCA may be a sparse base of an installed title.
+ // Try to fetch the ExeFS from the installed update.
+ const auto& installed = system.GetContentProvider();
+ const auto update_nca = installed.GetEntry(FileSys::GetUpdateTitleID(nca->GetTitleId()),
+ FileSys::ContentRecordType::Program);
+
+ if (update_nca) {
+ exefs = update_nca->GetExeFS();
+ }
+
+ if (exefs == nullptr) {
+ return {ResultStatus::ErrorNoExeFS, {}};
+ }
}
directory_loader = std::make_unique<AppLoader_DeconstructedRomDirectory>(exefs, true);
@@ -77,14 +93,6 @@ ResultStatus AppLoader_NCA::ReadRomFS(FileSys::VirtualFile& dir) {
return ResultStatus::Success;
}
-u64 AppLoader_NCA::ReadRomFSIVFCOffset() const {
- if (nca == nullptr) {
- return 0;
- }
-
- return nca->GetBaseIVFCOffset();
-}
-
ResultStatus AppLoader_NCA::ReadProgramId(u64& out_program_id) {
if (nca == nullptr || nca->GetStatus() != ResultStatus::Success) {
return ResultStatus::ErrorNotInitialized;