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RomFS Extraction

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This commit is contained in:
Zach Hilman
2018-07-27 18:14:03 -04:00
parent 0191a1e526
commit 906d785c73
12 changed files with 351 additions and 20 deletions
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19
src/core/file_sys/content_archive.cpp
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@ -9,6 +9,7 @@
#include "core/file_sys/content_archive.h"
#include "core/file_sys/vfs_offset.h"
#include "core/loader/loader.h"
#include "romfs.h"
namespace FileSys {
@ -46,21 +47,9 @@ struct PFS0Superblock {
};
static_assert(sizeof(PFS0Superblock) == 0x200, "PFS0Superblock has incorrect size.");
struct IVFCLevel {
u64_le offset;
u64_le size;
u32_le block_size;
u32_le reserved;
};
static_assert(sizeof(IVFCLevel) == 0x18, "IVFCLevel has incorrect size.");
struct RomFSSuperblock {
NCASectionHeaderBlock header_block;
u32_le magic;
u32_le magic_number;
INSERT_PADDING_BYTES(8);
std::array<IVFCLevel, 6> levels;
INSERT_PADDING_BYTES(64);
IVFCHeader ivfc;
};
static_assert(sizeof(RomFSSuperblock) == 0xE8, "RomFSSuperblock has incorrect size.");
@ -92,8 +81,8 @@ NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
const size_t romfs_offset =
header.section_tables[i].media_offset * MEDIA_OFFSET_MULTIPLIER +
sb.levels[IVFC_MAX_LEVEL - 1].offset;
const size_t romfs_size = sb.levels[IVFC_MAX_LEVEL - 1].size;
sb.ivfc.levels[IVFC_MAX_LEVEL - 1].offset;
const size_t romfs_size = sb.ivfc.levels[IVFC_MAX_LEVEL - 1].size;
files.emplace_back(std::make_shared<OffsetVfsFile>(file, romfs_size, romfs_offset));
romfs = files.back();
} else if (block.filesystem_type == NCASectionFilesystemType::PFS0) {