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[WIP] NCCHContainer: support for partitions if container is NCSD (#5345)

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* GetProgramLaunchInfo: improve to for 3ds files

* NCSD: allow to load other partitions

* fix typo

* Update src/core/hle/service/fs/fs_user.cpp

Co-authored-by: Valentin Vanelslande <vvanelslandedev@gmail.com>

* Update src/core/hle/service/fs/fs_user.cpp

Co-authored-by: Valentin Vanelslande <vvanelslandedev@gmail.com>

Co-authored-by: Marshall Mohror <mohror64@gmail.com>
Co-authored-by: Valentin Vanelslande <vvanelslandedev@gmail.com>
This commit is contained in:
Ben
2020-07-14 16:14:30 +02:00
committed by GitHub
parent 897e473da4
commit 1722701c07
10 changed files with 226 additions and 34 deletions
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31
src/core/file_sys/ncch_container.h
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@@ -15,6 +15,31 @@
#include "core/core.h"
#include "core/file_sys/romfs_reader.h"
enum NCSDContentIndex { Main = 0, Manual = 1, DLP = 2, New3DSUpdate = 6, Update = 7 };
struct NCSD_Partitions {
u32 offset;
u32 size;
};
struct NCSD_Header {
u8 signature[0x100];
u32_le magic;
u32_le media_size;
u8 media_id[8];
u8 partition_fs_type[8];
u8 partition_crypt_type[8];
NCSD_Partitions partitions[8];
u8 extended_header_hash[0x20];
u32_le additional_header_size;
u32_le sector_zero_offset;
u8 partition_flags[8];
u8 partition_id_table[0x40];
u8 reserved[0x30];
};
static_assert(sizeof(NCSD_Header) == 0x200, "NCCH header structure size is wrong");
////////////////////////////////////////////////////////////////////////////////////////////////////
/// NCCH header (Note: "NCCH" appears to be a publicly unknown acronym)
@@ -209,10 +234,11 @@ namespace FileSys {
*/
class NCCHContainer {
public:
NCCHContainer(const std::string& filepath, u32 ncch_offset = 0);
NCCHContainer(const std::string& filepath, u32 ncch_offset = 0, u32 partition = 0);
NCCHContainer() {}
Loader::ResultStatus OpenFile(const std::string& filepath, u32 ncch_offset = 0);
Loader::ResultStatus OpenFile(const std::string& filepath, u32 ncch_offset = 0,
u32 partition = 0);
/**
* Ensure NCCH header is loaded and ready for reading sections
@@ -339,6 +365,7 @@ private:
u32 ncch_offset = 0; // Offset to NCCH header, can be 0 for NCCHs or non-zero for CIAs/NCSDs
u32 exefs_offset = 0;
u32 partition = 0;
std::string filepath;
FileUtil::IOFile file;