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NCCH: Added RomFS loading.

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This commit is contained in:
bunnei 2014-06-19 00:11:45 -04:00
parent 3da2bc6830
commit a8c4648520
2 changed files with 36 additions and 1 deletions
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29
src/core/loader/ncch.cpp
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@ -178,6 +178,32 @@ const ResultStatus AppLoader_NCCH::LoadSectionExeFS(File::IOFile& file, const ch
return ResultStatus::ErrorNotUsed;
}
/**
* Reads RomFS of an NCCH file into AppLoader
* @param file Handle to file to read from
* @return ResultStatus result of function
*/
const ResultStatus AppLoader_NCCH::LoadRomFS(File::IOFile& file) {
// Check if the NCCH has a RomFS...
if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0) {
u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
INFO_LOG(LOADER, "RomFS offset: 0x%08X", romfs_offset);
INFO_LOG(LOADER, "RomFS size: 0x%08X", romfs_size);
romfs.resize(romfs_size);
file.Seek(romfs_offset, 0);
file.ReadBytes(&romfs[0], romfs_size);
return ResultStatus::Success;
} else {
NOTICE_LOG(LOADER, "RomFS unused");
}
return ResultStatus::ErrorNotUsed;
}
/**
* Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
* @param error_string Pointer to string to put error message if an error has occurred
@ -193,7 +219,6 @@ const ResultStatus AppLoader_NCCH::Load() {
File::IOFile file(filename, "rb");
if (file.IsOpen()) {
NCCH_Header ncch_header;
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
// Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
@ -237,6 +262,8 @@ const ResultStatus AppLoader_NCCH::Load() {
LoadSectionExeFS(file, "icon", icon);
LoadSectionExeFS(file, "logo", logo);
LoadRomFS(file);
is_loaded = true; // Set state to loaded
LoadExec(); // Load the executable into memory for booting

8
src/core/loader/ncch.h
View file

@ -168,6 +168,13 @@ private:
const ResultStatus LoadSectionExeFS(File::IOFile& file, const char* name,
std::vector<u8>& buffer);
/**
* Reads RomFS of an NCCH file into AppLoader
* @param file Handle to file to read from
* @return ResultStatus result of function
*/
const ResultStatus LoadRomFS(File::IOFile& file);
/**
* Loads .code section into memory for booting
* @return ResultStatus result of function
@ -182,6 +189,7 @@ private:
u32 ncch_offset; // Offset to NCCH header, can be 0 or after NCSD header
u32 exefs_offset;
NCCH_Header ncch_header;
ExeFs_Header exefs_header;
ExHeader_Header exheader_header;
};