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NCCH: Load the "logo" file from the specified offset if it's present instead of the ExeFS.

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This is "new" behavior as of firmware 5.0.0-11, older titles have the logo offset and size set to 0, indicating that the logo is stored in the ExeFS.
This commit is contained in:
Subv 2017-12-09 11:21:52 -05:00
parent 040006fa6b
commit 8e9b55e939
1 changed files with 20 additions and 0 deletions
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20
src/core/file_sys/ncch_container.cpp
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@ -252,6 +252,26 @@ Loader::ResultStatus NCCHContainer::LoadSectionExeFS(const char* name, std::vect
if (result == Loader::ResultStatus::Success || !has_exefs)
return result;
// As of firmware 5.0.0-11 the logo is stored between the access descriptor and the plain region
// instead of the ExeFS.
if (std::strcmp(name, "logo") == 0) {
if (ncch_header.logo_region_offset && ncch_header.logo_region_size) {
size_t logo_offset = ncch_header.logo_region_offset * kBlockSize;
size_t logo_size = ncch_header.logo_region_size * kBlockSize;
buffer.resize(logo_size);
file.Seek(ncch_offset + logo_offset, SEEK_SET);
if (file.ReadBytes(buffer.data(), logo_size) != logo_size) {
LOG_ERROR(Service_FS, "Could not read NCCH logo");
return Loader::ResultStatus::Error;
}
return Loader::ResultStatus::Success;
} else {
LOG_INFO(Service_FS, "Attempting to load logo from the ExeFS");
}
}
// If we don't have any separate files, we'll need a full ExeFS
if (!exefs_file.IsOpen())
return Loader::ResultStatus::Error;